2.7.2

Plain Craft Launcher 2/Application.xaml.vb

@@ -19,7 +19,6 @@ Public Class Application
 
     '开始
     Private Sub Application_Startup(sender As Object, e As StartupEventArgs) Handles Me.Startup
-        ApplicationStartTick = GetTimeTick()
         SecretOnApplicationStart()
         Try
             '检查参数调用
@@ -104,9 +103,10 @@ Public Class Application
             '日志初始化
             LogStart()
             '添加日志
-            Log("[Start] 程序版本：" & VersionDisplayName & "（" & VersionCode & "）")
-            Log("[Start] 识别码：" & UniqueAddress & If(ThemeCheckOne(9), "，已解锁反馈主题", ""))
-            Log("[Start] 程序路径：" & PathWithName)
+            Log($"[Start] 程序版本：{VersionDisplayName} ({VersionCode})")
+            Log($"[Start] 识别码：{UniqueAddress}{If(ThemeCheckOne(9), "，已解锁反馈主题", "")}")
+            Log($"[Start] 程序路径：{PathWithName}")
+            Log($"[Start] 系统编码：{Encoding.Default} ({Encoding.Default.CodePage}, GBK={IsGBKEncoding})")
             '检测压缩包运行
             If Path.Contains(IO.Path.GetTempPath()) OrElse Path.Contains("AppData\Local\Temp\") Then
                 MyMsgBox("PCL 正在临时文件夹运行，设置、游戏存档等很可能无法保存，且部分功能会无法使用或出错。" & vbCrLf & "请将 PCL 从压缩文件中解压，或是更换文件夹后再继续使用！", "环境警告", "我知道了", IsWarn:=True)
@@ -220,7 +220,7 @@ Public Class Application
                 Names.Remove(sender.Tag)
                 Setup.Set("LoginLegacyName", Join(Names, "¨"))
                 FrmLoginLegacy.ComboName.ItemsSource = Names
-                FrmLoginLegacy.ComboName.Text = If(Names.Count > 0, Names(0), "")
+                FrmLoginLegacy.ComboName.Text = If(Names.Any, Names(0), "")
             Case Else
                 '第三方
                 Dim Token As String = GetStringFromEnum(Setup.Get("LoginType"))
@@ -238,12 +238,12 @@ Public Class Application
                 Select Case Token
                     Case "Nide"
                         FrmLoginNide.ComboName.ItemsSource = Dict.Keys
-                        FrmLoginNide.ComboName.Text = If(Dict.Keys.Count > 0, Dict.Keys(0), "")
-                        FrmLoginNide.TextPass.Password = If(Dict.Values.Count > 0, Dict.Values(0), "")
+                        FrmLoginNide.ComboName.Text = If(Dict.Keys.Any, Dict.Keys(0), "")
+                        FrmLoginNide.TextPass.Password = If(Dict.Values.Any, Dict.Values(0), "")
                     Case "Auth"
                         FrmLoginAuth.ComboName.ItemsSource = Dict.Keys
-                        FrmLoginAuth.ComboName.Text = If(Dict.Keys.Count > 0, Dict.Keys(0), "")
-                        FrmLoginAuth.TextPass.Password = If(Dict.Values.Count > 0, Dict.Values(0), "")
+                        FrmLoginAuth.ComboName.Text = If(Dict.Keys.Any, Dict.Keys(0), "")
+                        FrmLoginAuth.TextPass.Password = If(Dict.Values.Any, Dict.Values(0), "")
                 End Select
         End Select
     End Sub

Plain Craft Launcher 2/Controls/MyScrollViewer.vb

@@ -8,10 +8,12 @@
     Private Sub MyScrollViewer_PreviewMouseWheel(sender As Object, e As MouseWheelEventArgs) Handles Me.PreviewMouseWheel
         If e.Delta = 0 OrElse ActualHeight = 0 OrElse ScrollableHeight = 0 Then Exit Sub
         Dim SourceType = e.Source.GetType
-        If Content.TemplatedParent Is Nothing AndAlso
-            ((GetType(ComboBox).IsAssignableFrom(SourceType) AndAlso CType(e.Source, ComboBox).IsDropDownOpen) OrElse
-            (GetType(TextBox).IsAssignableFrom(SourceType) AndAlso CType(e.Source, TextBox).AcceptsReturn) OrElse
-            GetType(ComboBoxItem).IsAssignableFrom(SourceType)) Then
+        If Content.TemplatedParent Is Nothing AndAlso (
+                (GetType(ComboBox).IsAssignableFrom(SourceType) AndAlso CType(e.Source, ComboBox).IsDropDownOpen) OrElse
+                (GetType(TextBox).IsAssignableFrom(SourceType) AndAlso CType(e.Source, TextBox).AcceptsReturn) OrElse
+                GetType(ComboBoxItem).IsAssignableFrom(SourceType) OrElse
+                TypeOf e.Source Is CheckBox
+           ) Then
             '如果当前是在对有滚动条的下拉框或文本框执行，则不接管操作
             Exit Sub
         End If

Plain Craft Launcher 2/FormMain.xaml.vb

@@ -10,6 +10,10 @@ Public Class FormMain
         Dim FeatureList As New List(Of KeyValuePair(Of Integer, String))
         '统计更新日志条目
 #If BETA Then
+        If LastVersion < 321 Then 'Release 2.7.1
+            FeatureList.Add(New KeyValuePair(Of Integer, String)(1, "修复启动部分整合包导致设置丢失的 Bug"))
+            BugCount += 1
+        End If
         If LastVersion < 319 Then 'Release 2.7.0
             FeatureList.Add(New KeyValuePair(Of Integer, String)(5, "支持更新 Mod"))
             FeatureList.Add(New KeyValuePair(Of Integer, String)(3, "支持查看可更新的 Mod 的更新日志"))
@@ -96,7 +100,15 @@ Public Class FormMain
         '3：BUG+ IMP* FEAT-
         '2：BUG* IMP-
         '1：BUG-
-        If LastVersion < 318 Then 'Snapshot 2.7.1
+        If LastVersion < 322 Then 'Snapshot 2.7.2
+            FeatureList.Add(New KeyValuePair(Of Integer, String)(3, "添加 启动游戏前进行内存优化 设置"))
+            FeatureList.Add(New KeyValuePair(Of Integer, String)(2, "优化 MC 性能"))
+            FeatureList.Add(New KeyValuePair(Of Integer, String)(1, "修复安装 OptiFine 有概率失败的 Bug"))
+            FeatureList.Add(New KeyValuePair(Of Integer, String)(1, "修复启动 Fabric 1.20.5+ 时无法正确选择 Java 的 Bug"))
+            FeatureCount += 18
+            BugCount += 18
+        End If
+        If LastVersion < 320 Then 'Snapshot 2.7.1
             FeatureList.Add(New KeyValuePair(Of Integer, String)(1, "修复启动部分整合包导致设置丢失的 Bug"))
             BugCount += 1
         End If
@@ -430,6 +442,8 @@ Public Class FormMain
             Log("[Start] 最高版本号从 " & LowerVersionCode & " 升高到 " & VersionCode)
         End If
 #End If
+        '被移除的窗口设置选项
+        If Setup.Get("LaunchArgumentWindowType") = 5 Then Setup.Set("LaunchArgumentWindowType", 1)
         '修改主题设置项名称
         If LowerVersionCode <= 207 Then
             Dim UnlockedTheme As New List(Of String) From {"2"}
@@ -653,7 +667,7 @@ Public Class FormMain
         If e.ChangedButton = MouseButton.XButton1 OrElse e.ChangedButton = MouseButton.XButton2 Then TriggerPageBack()
     End Sub
     Private Sub TriggerPageBack()
-        If PageCurrent = PageType.Download AndAlso PageCurrentSub = PageSubType.DownloadInstall Then
+        If PageCurrent = PageType.Download AndAlso PageCurrentSub = PageSubType.DownloadInstall AndAlso FrmDownloadInstall.IsInSelectPage Then
             FrmDownloadInstall.ExitSelectPage()
         Else
             PageBack()
@@ -761,7 +775,7 @@ Public Class FormMain
         RunInNewThread(
         Sub()
             Dim FilePath As String = FilePathList.First
-            Log("[System] 接受文件拖拽：" & FilePath & If(FilePathList.Count > 0, $" 等 {FilePathList.Count} 个文件", ""), LogLevel.Developer)
+            Log("[System] 接受文件拖拽：" & FilePath & If(FilePathList.Any, $" 等 {FilePathList.Count} 个文件", ""), LogLevel.Developer)
             '基础检查
             If Directory.Exists(FilePathList.First) AndAlso Not File.Exists(FilePathList.First) Then
                 Hint("请拖入一个文件，而非文件夹！", HintType.Critical)
@@ -1176,8 +1190,11 @@ Install:
     ''' 通过点击返回按钮或手动触发返回来改变页面。
     ''' </summary>
     Public Sub PageBack() Handles BtnTitleInner.Click
-        If Not PageStack.Any() Then Exit Sub
-        PageChangeActual(PageStack(0))
+        If PageStack.Any() Then
+            PageChangeActual(PageStack(0))
+        Else
+            PageChange(PageType.Launch)
+        End If
     End Sub
 
     '实际处理页面切换
@@ -1357,23 +1374,22 @@ Install:
     End Sub
     Private Sub PanMainLeft_Resize(NewWidth As Double)
         Dim Delta As Double = NewWidth - RectLeftBackground.Width
-        If Math.Abs(Delta) < 0.1 Then Exit Sub
-        If AniControlEnabled = 0 Then
+        If Math.Abs(Delta) > 0.1 AndAlso AniControlEnabled = 0 Then
             If PanMain.Opacity < 0.1 Then PanMainLeft.IsHitTestVisible = False '避免左边栏指向背景未能完美覆盖左边栏
             If NewWidth > 0 Then
                 '宽度足够，显示
                 AniStart({
-                              AaWidth(RectLeftBackground, NewWidth - RectLeftBackground.Width, 400,, New AniEaseOutFluent(AniEasePower.ExtraStrong)),
-                              AaOpacity(RectLeftShadow, 1 - RectLeftShadow.Opacity, 200),
-                              AaCode(Sub() PanMainLeft.IsHitTestVisible = True, 250)
-                         }, "FrmMain LeftChange", True)
+                     AaWidth(RectLeftBackground, NewWidth - RectLeftBackground.Width, 400,, New AniEaseOutFluent(AniEasePower.ExtraStrong)),
+                     AaOpacity(RectLeftShadow, 1 - RectLeftShadow.Opacity, 200),
+                     AaCode(Sub() PanMainLeft.IsHitTestVisible = True, 250)
+                }, "FrmMain LeftChange", True)
             Else
                 '宽度不足，隐藏
                 AniStart({
-                              AaWidth(RectLeftBackground, -RectLeftBackground.Width, 200,, New AniEaseOutFluent),
-                              AaOpacity(RectLeftShadow, -RectLeftShadow.Opacity, 200),
-                              AaCode(Sub() PanMainLeft.IsHitTestVisible = True, 170)
-                         }, "FrmMain LeftChange", True)
+                     AaWidth(RectLeftBackground, -RectLeftBackground.Width, 200,, New AniEaseOutFluent),
+                     AaOpacity(RectLeftShadow, -RectLeftShadow.Opacity, 200),
+                     AaCode(Sub() PanMainLeft.IsHitTestVisible = True, 170)
+                }, "FrmMain LeftChange", True)
             End If
         Else
             RectLeftBackground.Width = NewWidth

Plain Craft Launcher 2/Modules/Base/ModBase.vb

@@ -11,12 +11,12 @@ Public Module ModBase
 #Region "声明"
 
     '下列版本信息由更新器自动修改
-    Public Const VersionBaseName As String = "2.7.1" '不含分支前缀的显示用版本名
-    Public Const VersionStandardCode As String = "2.7.1." & VersionBranchCode '标准格式的四段式版本号
+    Public Const VersionBaseName As String = "2.7.2" '不含分支前缀的显示用版本名
+    Public Const VersionStandardCode As String = "2.7.2." & VersionBranchCode '标准格式的四段式版本号
 #If BETA Then
-    Public Const VersionCode As Integer = 319 'Release
+    Public Const VersionCode As Integer = 321 'Release
 #Else
-    Public Const VersionCode As Integer = 320 'Snapshot
+    Public Const VersionCode As Integer = 322 'Snapshot
 #End If
     '自动生成的版本信息
     Public Const VersionDisplayName As String = VersionBranchName & " " & VersionBaseName
@@ -58,7 +58,7 @@ Public Module ModBase
     ''' <summary>
     ''' 程序的打开计时。
     ''' </summary>
-    Public ApplicationStartTick As Long
+    Public ApplicationStartTick As Long = GetTimeTick()
     ''' <summary>
     ''' 程序打开时的时间。
     ''' </summary>
@@ -76,6 +76,10 @@ Public Module ModBase
     ''' </summary>
     Public Is32BitSystem As Boolean = Not Environment.Is64BitOperatingSystem
     ''' <summary>
+    ''' 是否使用 GBK 编码。
+    ''' </summary>
+    Public IsGBKEncoding As Boolean = Encoding.Default.CodePage = 936
+    ''' <summary>
     ''' 操作系统版本。Win10 为 10.0。
     ''' </summary>
     Public OsVersion As Version = Environment.OSVersion.Version
@@ -726,8 +730,8 @@ Public Module ModBase
     Public Function GetFileNameFromPath(FilePath As String) As String
         FilePath = FilePath.Replace("/", "\")
         If FilePath.EndsWithF("\") Then Throw New Exception("不包含文件名：" & FilePath)
-        If FilePath.Contains("\") Then FilePath = FilePath.Substring(FilePath.LastIndexOfF("\") + 1)
         If FilePath.Contains("?") Then FilePath = FilePath.Substring(0, FilePath.IndexOfF("?")) '去掉网络参数后的 ?
+        If FilePath.Contains("\") Then FilePath = FilePath.Substring(FilePath.LastIndexOfF("\") + 1)
         Dim length As Integer = FilePath.Length
         If length = 0 Then Throw New Exception("不包含文件名：" & FilePath)
         If length > 250 Then Throw New PathTooLongException("文件名过长：" & FilePath)
@@ -1215,43 +1219,35 @@ Re:
     ''' <summary>
     ''' 尝试根据后缀名判断文件种类并解压文件，支持 gz 与 zip，会尝试将 jar 以 zip 方式解压。
     ''' 会尝试创建，但不会清空目标文件夹。
-    ''' 成功返回 True，并非压缩文件或失败返回 False。
     ''' </summary>
-    Public Function ExtractFile(CompressFilePath As String, DestDirectory As String, Optional Encode As Encoding = Nothing) As Boolean
-        Try
-            Directory.CreateDirectory(DestDirectory)
-            If CompressFilePath.EndsWithF(".gz", True) Then
-                '以 gz 方式解压
-                Dim stream As New GZipStream(New FileStream(CompressFilePath, FileMode.Open, FileAccess.ReadWrite), CompressionMode.Decompress)
-                Dim decompressedFile As New FileStream(DestDirectory & GetFileNameFromPath(CompressFilePath).ToLower.Replace(".tar", "").Replace(".gz", ""), FileMode.OpenOrCreate, FileAccess.Write)
-                Dim data As Integer = stream.ReadByte()
-                While data <> -1
-                    decompressedFile.WriteByte(data)
-                    data = stream.ReadByte()
-                End While
-                decompressedFile.Close()
-                stream.Close()
-                Return True
-            Else
-                '以 zip 方式解压
-                Using Archive = ZipFile.Open(CompressFilePath, ZipArchiveMode.Read, If(Encode, Encoding.GetEncoding("GB18030")))
-                    For Each Entry As ZipArchiveEntry In Archive.Entries
-                        Dim DestinationPath As String = IO.Path.Combine(DestDirectory, Entry.FullName)
-                        If DestinationPath.EndsWithF("\") OrElse DestinationPath.EndsWithF("/") Then
-                            Continue For '不创建空文件夹
-                        Else
-                            Directory.CreateDirectory(GetPathFromFullPath(DestinationPath))
-                            Entry.ExtractToFile(DestinationPath, True)
-                        End If
-                    Next
-                End Using
-                Return True
-            End If
-        Catch ex As Exception
-            Log(ex, "尝试解压文件失败")
-            Return False
-        End Try
-    End Function
+    Public Sub ExtractFile(CompressFilePath As String, DestDirectory As String, Optional Encode As Encoding = Nothing)
+        Directory.CreateDirectory(DestDirectory)
+        If CompressFilePath.EndsWithF(".gz", True) Then
+            '以 gz 方式解压
+            Dim stream As New GZipStream(New FileStream(CompressFilePath, FileMode.Open, FileAccess.ReadWrite), CompressionMode.Decompress)
+            Dim decompressedFile As New FileStream(DestDirectory & GetFileNameFromPath(CompressFilePath).ToLower.Replace(".tar", "").Replace(".gz", ""), FileMode.OpenOrCreate, FileAccess.Write)
+            Dim data As Integer = stream.ReadByte()
+            While data <> -1
+                decompressedFile.WriteByte(data)
+                data = stream.ReadByte()
+            End While
+            decompressedFile.Close()
+            stream.Close()
+        Else
+            '以 zip 方式解压
+            Using Archive = ZipFile.Open(CompressFilePath, ZipArchiveMode.Read, If(Encode, Encoding.GetEncoding("GB18030")))
+                For Each Entry As ZipArchiveEntry In Archive.Entries
+                    Dim DestinationPath As String = IO.Path.Combine(DestDirectory, Entry.FullName)
+                    If DestinationPath.EndsWithF("\") OrElse DestinationPath.EndsWithF("/") Then
+                        Continue For '不创建空文件夹
+                    Else
+                        Directory.CreateDirectory(GetPathFromFullPath(DestinationPath))
+                        Entry.ExtractToFile(DestinationPath, True)
+                    End If
+                Next
+            End Using
+        End If
+    End Sub
 
     ''' <summary>
     ''' 删除文件夹，返回删除的文件个数。通过参数选择是否抛出异常。
@@ -1342,7 +1338,7 @@ Re:
         Loop
         DescList = DescList.Distinct.ToList
         Dim Desc As String = Join(DescList, vbCrLf & "→ ")
-        Dim Stack As String = If(StackList.Count > 0, vbCrLf & Join(StackList, vbCrLf), "")
+        Dim Stack As String = If(StackList.Any, vbCrLf & Join(StackList, vbCrLf), "")
 
         '常见错误（记得同时修改下面的）
         Dim CommonReason As String = Nothing
@@ -1541,6 +1537,12 @@ Re:
         Next
         Return tmp.ToString()
     End Function
+    ''' <summary>
+    ''' 检查字符串中的字符是否均为 ASCII 字符。
+    ''' </summary>
+    <Extension> Public Function IsASCII(Input As String) As Boolean
+        Return Input.All(Function(c) AscW(c) < 128)
+    End Function
 
     ''' <summary>
     ''' 高速的 StartsWith。
@@ -2073,7 +2075,7 @@ NextElement:
     ''' <param name="SortRule">传入两个对象，若第一个对象应该排在前面，则返回 True。</param>
     Public Function Sort(Of T)(List As IList(Of T), SortRule As CompareThreadStart(Of T)) As List(Of T)
         Dim NewList As New List(Of T)
-        While List.Count > 0
+        While List.Any
             Dim Highest = List(0)
             For i = 1 To List.Count - 1
                 If SortRule(List(i), Highest) Then Highest = List(i)
@@ -2646,7 +2648,7 @@ Retry:
     ''' </summary>
     Public Function Shuffle(Of T)(array As IList(Of T)) As IList(Of T)
         Shuffle = New List(Of T)
-        Do While array.Count > 0
+        Do While array.Any
             Dim i As Integer = RandomInteger(0, array.Count - 1)
             Shuffle.Add(array(i))
             array.RemoveAt(i)

Plain Craft Launcher 2/Modules/Base/ModLoader.vb

@@ -571,7 +571,7 @@ Restart:
     Public LoaderTaskbarProgress As Double = 0 '平滑后的进度
     Private LoaderTaskbarProgressLast As Shell.TaskbarItemProgressState = Shell.TaskbarItemProgressState.None
 
-    Public Sub LoaderTaskbarAdd(Loader As LoaderBase)
+    Public Sub LoaderTaskbarAdd(Of T)(Loader As LoaderCombo(Of T))
         If FrmSpeedLeft IsNot Nothing Then FrmSpeedLeft.TaskRemove(Loader)
         SyncLock LoaderTaskbarLock
             LoaderTaskbar.Add(Loader)
@@ -587,11 +587,11 @@ Restart:
                 '外显任务是否已经全部完成
                 Dim IsAllDownloadTaskCompleted As Boolean = True
                 For Each Loader In LoaderTaskbar
-                    If Loader.Show AndAlso Loader.State = LoadState.Loading Then IsAllDownloadTaskCompleted = False
+                    If Loader.State = LoadState.Loading Then IsAllDownloadTaskCompleted = False
                 Next
                 '若单个任务已中止或全部任务已完成，则刷新并移除
                 For Each Task In LoaderTaskbar.ToList()
-                    If (IsAllDownloadTaskCompleted OrElse Task.State = LoadState.Aborted OrElse Task.State = LoadState.Waiting) AndAlso Task.Show Then
+                    If IsAllDownloadTaskCompleted OrElse Task.State = LoadState.Aborted OrElse Task.State = LoadState.Waiting Then
                         If FrmSpeedLeft IsNot Nothing Then FrmSpeedLeft.TaskRefresh(Task)
                         LoaderTaskbar.Remove(Task)
                         Log($"[Taskbar] {Task.Name} 已移出任务列表")
@@ -628,7 +628,6 @@ Restart:
             Dim Total As Double = 0, Count As Integer = 0
             SyncLock LoaderTaskbarLock
                 For Each Task In LoaderTaskbar.ToList
-                    If Not Task.Show Then Continue For
                     Total += Task.Progress
                     Count += 1 '避免多线程影响导致计数出错
                 Next

Plain Craft Launcher 2/Modules/Base/ModNet.vb

@@ -1,4 +1,5 @@
 Imports System.Net
+Imports PCL.ModNet
 
 Public Module ModNet
     Public Const NetDownloadEnd As String = ".PCLDownloading"
@@ -235,11 +236,11 @@ RequestFinished:
     ''' 以多线程下载网页文件的方式获取网页源代码。
     ''' </summary>
     ''' <param name="Urls">网页的 Url 列表。</param>
-    Public Function NetGetCodeByDownload(Urls As String(), Optional Timeout As Integer = 45000, Optional IsJson As Boolean = False, Optional UseBrowserUserAgent As Boolean = False) As String
-        Dim Temp As String = PathTemp & "Cache\Code\" & Urls(0).GetHashCode() & "_" & GetUuid()
+    Public Function NetGetCodeByDownload(Urls As IEnumerable(Of String), Optional Timeout As Integer = 45000, Optional IsJson As Boolean = False, Optional UseBrowserUserAgent As Boolean = False) As String
+        Dim Temp As String = PathTemp & "Cache\Code\" & Urls.First.GetHashCode() & "_" & GetUuid()
         Dim NewTask As New LoaderDownload("源码获取 " & GetUuid() & "#", New List(Of NetFile) From {New NetFile(Urls, Temp, New FileChecker With {.IsJson = IsJson}, UseBrowserUserAgent)})
         Try
-            NewTask.WaitForExitTime(Timeout, TimeoutMessage:="连接服务器超时（第一下载源：" & Urls(0) & "）")
+            NewTask.WaitForExitTime(Timeout, TimeoutMessage:="连接服务器超时（第一下载源：" & Urls.First & "）")
             NetGetCodeByDownload = ReadFile(Temp)
             File.Delete(Temp)
         Finally
@@ -448,7 +449,7 @@ RequestFinished:
     ''' <summary>
     ''' 速度下限。
     ''' </summary>
-    Public NetTaskSpeedLimitLow As Long = 1024 * 1024L
+    Public NetTaskSpeedLimitLow As Long = 256 * 1024L '256K/s
     ''' <summary>
     ''' 速度上限。若无限制则为 -1。
     ''' </summary>
@@ -601,7 +602,7 @@ RequestFinished:
                 SyncLock Task.LockChain
                     If NextThread Is Nothing Then
                         If Task.IsUnknownSize Then
-                            Return 1024 * 1024 * 1024 '1G
+                            Return 5 * 1024 * 1024 * 1024L '5G
                         Else
                             Return Task.FileSize - 1
                         End If
@@ -616,7 +617,7 @@ RequestFinished:
         ''' </summary>
         Public ReadOnly Property DownloadUndone As Long
             Get
-                Return DownloadEnd + 1 - (DownloadStart + DownloadDone)
+                Return DownloadEnd - (DownloadStart + DownloadDone) + 1
             End Get
         End Property
         ''' <summary>
@@ -715,7 +716,7 @@ RequestFinished:
                         CurrentSource = Sources(Id)
                     End While
                     Return CurrentSource
-                ElseIf SourcesOnce.Count > 0 Then
+                ElseIf SourcesOnce.Any Then
                     '仅存在单线程可用源
                     Return SourcesOnce(0)
                 Else
@@ -728,7 +729,7 @@ RequestFinished:
         ''' 是否已经没有可用源了。
         ''' </summary>
         Public Function IsSourceFailed(Optional AllowOnceSource As Boolean = True) As Boolean
-            If AllowOnceSource AndAlso SourcesOnce.Count > 0 Then Return False
+            If AllowOnceSource AndAlso SourcesOnce.Any Then Return False
             SyncLock LockSource
                 For Each Source As NetSource In Sources
                     If Not Source.IsFailed Then Return False
@@ -754,15 +755,12 @@ RequestFinished:
         ''' 导致下载失败的原因。
         ''' </summary>
         Public Ex As New List(Of Exception)
-        '''' <summary>
-        '''' 文件进行整体重试的计数。
-        '''' </summary>
-        'Private RetryCount As Integer = 0
 
         ''' <summary>
         ''' 作为文件组成部分的线程链表。
+        ''' 如果没有线程，可以为 Nothing。
         ''' </summary>
-        Private Threads As NetThread
+        Public Threads As NetThread
 
         ''' <summary>
         ''' 文件的总大小。若为 -2 则为未获取，若为 -1 则为无法获取准确大小。
@@ -844,10 +842,10 @@ RequestFinished:
                     Case NetState.Get
                         Return 0.04
                     Case NetState.Download
-                        '正在下载中，对应 5% ~ 99%
+                        '正在下载中，对应 5% ~ 98%
                         Dim OriginalProgress As Double = If(IsUnknownSize, 0.5, DownloadDone / Math.Max(FileSize, 1))
                         OriginalProgress = 1 - (1 - OriginalProgress) ^ 0.9
-                        Return OriginalProgress * 0.94 + 0.05
+                        Return OriginalProgress * 0.93 + 0.05
                     Case NetState.Merge
                         Return 0.99
                     Case NetState.Finish, NetState.Error
@@ -878,14 +876,13 @@ RequestFinished:
         End Property
 
         Private Const FilePieceLimit As Long = 256 * 1024
-        Public ReadOnly RandomCode As Integer = RandomInteger(0, 999999)
         Public ReadOnly LockCount As New Object
         Public ReadOnly LockState As New Object
         Public ReadOnly LockChain As New Object
         Public ReadOnly LockSource As New Object
         Public ReadOnly LockTasks As New Object
 
-        Private ReadOnly Uuid As Integer = GetUuid()
+        Public ReadOnly Uuid As Integer = GetUuid()
         Public Overrides Function Equals(obj As Object) As Boolean
             Dim file = TryCast(obj, NetFile)
             Return file IsNot Nothing AndAlso Uuid = file.Uuid
@@ -914,14 +911,15 @@ RequestFinished:
 
         ''' <summary>
         ''' 尝试开始一个新的下载线程。
+        ''' 如果失败，返回 Nothing。
         ''' </summary>
-        Public Function TryBeginThread() As Boolean
+        Public Function TryBeginThread() As NetThread
             Try
 
                 '条件检测
                 If NetTaskThreadCount >= NetTaskThreadLimit OrElse IsSourceFailed() OrElse
-               (IsNoSplit AndAlso Threads IsNot Nothing AndAlso Threads.State <> NetState.Error) Then Return False
-                If State >= NetState.Merge OrElse State = NetState.WaitForCheck Then Return False
+               (IsNoSplit AndAlso Threads IsNot Nothing AndAlso Threads.State <> NetState.Error) Then Return Nothing
+                If State >= NetState.Merge OrElse State = NetState.WaitForCheck Then Return Nothing
                 SyncLock LockState
                     If State < NetState.Connect Then State = NetState.Connect
                 End SyncLock
@@ -936,7 +934,7 @@ RequestFinished:
                     '单线程
                     If IsSourceFailed(False) Then
                         '确认没有其他线程正使用此点
-                        If SourcesOnce(0).Thread IsNot Nothing AndAlso SourcesOnce(0).Thread.State <> NetState.Error Then Return False
+                        If SourcesOnce(0).Thread IsNot Nothing AndAlso SourcesOnce(0).Thread.State <> NetState.Error Then Return Nothing
                         '占用此点
 Capture:
                         SmailFileCache = Nothing
@@ -952,14 +950,8 @@ Capture:
                     If Threads Is Nothing Then
                         StartPosition = 0
                         StartSource = GetSource(FirstThreadSource)
-                        If StartSource Is Nothing Then
-                            '没有可用源了
-                            Throw New Exception("无可用源，请反馈此问题。")
-                        Else
-                            '有可用源
-                            FirstThreadSource = StartSource.Id + 1
-                            GoTo StartThread
-                        End If
+                        FirstThreadSource = StartSource.Id + 1
+                        GoTo StartThread
                     End If
                     '寻找失败点
                     For Each Thread As NetThread In Threads
@@ -971,24 +963,25 @@ Capture:
                     Next
                     '是否禁用多线程，以及规定碎片大小
                     Dim TargetUrl As String = GetSource().Url
-                    If TargetUrl.Contains("pcl2-server") OrElse TargetUrl.Contains("gitcode.net") OrElse TargetUrl.Contains("github.com") Then Return False
+                    If TargetUrl.Contains("pcl2-server") OrElse TargetUrl.Contains("gitcode.net") OrElse TargetUrl.Contains("github.com") OrElse TargetUrl.Contains("modrinth.com") Then Return Nothing
                     '寻找最大碎片
+                    'FUTURE: 下载引擎重做，计算下载源平均链接时间和线程下载速度，按最高时间节省来开启多线程
                     Dim FilePieceMax As NetThread = Threads
                     For Each Thread As NetThread In Threads
                         If Thread.DownloadUndone > FilePieceMax.DownloadUndone Then FilePieceMax = Thread
                     Next
-                    If FilePieceMax Is Nothing OrElse FilePieceMax.DownloadUndone < FilePieceLimit Then Return False
+                    If FilePieceMax Is Nothing OrElse FilePieceMax.DownloadUndone < FilePieceLimit Then Return Nothing
                     StartPosition = FilePieceMax.DownloadEnd - FilePieceMax.DownloadUndone * 0.4
                     StartSource = GetSource()
 
                     '开始线程
 StartThread:
-                    If (StartPosition > FileSize AndAlso FileSize >= 0 AndAlso Not IsUnknownSize) OrElse StartPosition < 0 OrElse IsNothing(StartSource) Then Return False
+                    If (StartPosition > FileSize AndAlso FileSize >= 0 AndAlso Not IsUnknownSize) OrElse StartPosition < 0 OrElse IsNothing(StartSource) Then Return Nothing
                     '构建线程
                     Dim ThreadUuid As Integer = GetUuid()
                     SyncLock LockTasks
-                        If Not Tasks.Any() Then Return False '由于中断，已没有可用任务
-                        Th = New Thread(AddressOf Thread) With {.Name = "NetTask " & Tasks(0).Uuid & "/" & Uuid & " Download " & ThreadUuid & "#", .Priority = ThreadPriority.BelowNormal}
+                        If Not Tasks.Any() Then Return Nothing '由于中断，已没有可用任务
+                        Th = New Thread(AddressOf Thread) With {.Name = $"NetTask {Tasks(0).Uuid}/{Uuid} Download {ThreadUuid}#", .Priority = ThreadPriority.BelowNormal}
                     End SyncLock
                     ThreadInfo = New NetThread With {.Uuid = ThreadUuid, .DownloadStart = StartPosition, .Thread = Th, .Source = StartSource, .Task = Me, .State = NetState.WaitForDownload}
                     '链表处理
@@ -1012,11 +1005,11 @@ StartThread:
                     If IsSourceFailed(False) Then SourcesOnce(0).Thread = ThreadInfo
                 End SyncLock
                 Th.Start(ThreadInfo)
-                Return True
+                Return ThreadInfo
 
             Catch ex As Exception
                 Log(ex, "尝试开始下载线程失败（" & If(LocalName, "Nothing") & "）", LogLevel.Hint)
-                Return False
+                Return Nothing
             End Try
         End Function
         ''' <summary>
@@ -1040,35 +1033,44 @@ StartThread:
                 HttpRequest.Timeout = Timeout
                 HttpRequest.AddRange(Info.DownloadStart)
                 SecretHeadersSign(Info.Source.Url, HttpRequest, UseBrowserUserAgent)
+                Dim ContentLength As Long = 0
                 Using HttpResponse As HttpWebResponse = HttpRequest.GetResponse()
+                    If ModeDebug AndAlso HttpResponse.ResponseUri.OriginalString <> Info.Source.Url Then
+                        Log($"[Download] {LocalName} {Info.Uuid}#：重定向至 {HttpResponse.ResponseUri.OriginalString}")
+                    End If
                     '文件大小校验
-                    Dim ThreadFileSize = HttpResponse.ContentLength
-                    If ThreadFileSize = -1 Then
+                    ContentLength = HttpResponse.ContentLength
+                    If ContentLength = -1 Then
                         If FileSize > 1 Then
-                            Log("[Download] " & LocalName & " " & Info.Uuid & "#：文件大小未知，但已从其他下载源获取，不作处理")
+                            If Info.DownloadStart = 0 Then
+                                Log($"[Download] {LocalName} {Info.Uuid}#：文件大小未知，但已从其他下载源获取，不作处理")
+                            Else
+                                Log($"[Download] {LocalName} {Info.Uuid}#：ContentLength 返回了 -1，无法确定是否支持分段下载，视作不支持")
+                                GoTo NotSupportRange
+                            End If
                         Else
                             FileSize = -1 : IsUnknownSize = True
-                            Log("[Download] " & LocalName & " " & Info.Uuid & "#：文件大小未知")
+                            Log($"[Download] {LocalName} {Info.Uuid}#：文件大小未知")
                         End If
-                    ElseIf ThreadFileSize < 0 Then
-                        Throw New Exception("获取片大小失败，结果为 " & ThreadFileSize & "。")
+                    ElseIf ContentLength < 0 Then
+                        Throw New Exception("获取片大小失败，结果为 " & ContentLength & "。")
                     ElseIf Info.IsFirstThread Then
                         If Check IsNot Nothing Then
-                            If ThreadFileSize < Check.MinSize AndAlso Check.MinSize > 0 Then
-                                Throw New Exception("文件大小不足，获取结果为 " & ThreadFileSize & "，要求至少为 " & Check.MinSize & "。")
+                            If ContentLength < Check.MinSize AndAlso Check.MinSize > 0 Then
+                                Throw New Exception($"文件大小不足，获取结果为 {ContentLength}，要求至少为 {Check.MinSize}。")
                             End If
-                            If ThreadFileSize <> Check.ActualSize AndAlso Check.ActualSize > 0 Then
-                                Throw New Exception("文件大小不一致，获取结果为 " & ThreadFileSize & "，要求必须为 " & Check.ActualSize & "。")
+                            If ContentLength <> Check.ActualSize AndAlso Check.ActualSize > 0 Then
+                                Throw New Exception($"文件大小不一致，获取结果为 {ContentLength}，要求必须为 {Check.ActualSize}。")
                             End If
                         End If
-                        FileSize = ThreadFileSize : IsUnknownSize = False
-                        Log("[Download] " & LocalName & "：文件大小 " & ThreadFileSize & " B" & "（" & GetString(ThreadFileSize) & "）")
+                        FileSize = ContentLength : IsUnknownSize = False
+                        Log($"[Download] {LocalName} {Info.Uuid}#：文件大小 {ContentLength}（{GetString(ContentLength)}）")
                         '若文件大小大于 50 M，进行剩余磁盘空间校验
-                        If ThreadFileSize > 50 * 1024 * 1024 Then
+                        If ContentLength > 50 * 1024 * 1024 Then
                             For Each Drive As DriveInfo In DriveInfo.GetDrives
                                 Dim DriveName As String = Drive.Name.First.ToString
-                                Dim RequiredSpace = If(PathTemp.StartsWithF(DriveName), ThreadFileSize * 1.1, 0) +
-                                                If(LocalPath.StartsWithF(DriveName), ThreadFileSize + 5 * 1024 * 1024, 0)
+                                Dim RequiredSpace = If(PathTemp.StartsWithF(DriveName), ContentLength * 1.1, 0) +
+                                                If(LocalPath.StartsWithF(DriveName), ContentLength + 5 * 1024 * 1024, 0)
                                 If Drive.TotalFreeSpace < RequiredSpace Then
                                     Throw New Exception(DriveName & " 盘空间不足，无法进行下载。" & vbCrLf & "需要至少 " & GetString(RequiredSpace) & " 空间，但当前仅剩余 " & GetString(Drive.TotalFreeSpace) & "。" &
                                                     If(PathTemp.StartsWithF(DriveName), vbCrLf & vbCrLf & "下载时需要与文件同等大小的空间存放缓存，你可以在设置中调整缓存文件夹的位置。", ""))
@@ -1076,8 +1078,9 @@ StartThread:
                             Next
                         End If
                     ElseIf FileSize < 0 Then
-                        Throw New Exception("非首线程运行时，尚未获取文件大小。")
-                    ElseIf Info.DownloadStart > 0 AndAlso ThreadFileSize = FileSize Then
+                        Throw New Exception("非首线程运行时，尚未获取文件大小")
+                    ElseIf Info.DownloadStart > 0 AndAlso ContentLength = FileSize Then
+NotSupportRange:
                         SyncLock LockSource
                             If SourcesOnce.Contains(Info.Source) Then
                                 GoTo SourceBreak
@@ -1085,10 +1088,11 @@ StartThread:
                                 SourcesOnce.Add(Info.Source)
                             End If
                         End SyncLock
-                        Throw New WebException("该下载源不支持断点续传。")
-                    ElseIf Not FileSize - Info.DownloadStart = ThreadFileSize Then
-                        Throw New WebException("获取到的片大小不一致：线程结果为 " & ThreadFileSize & " B，任务结果为 " & FileSize & "B，起点为 " & Info.DownloadStart & "B。")
+                        Throw New WebException($"该下载源不支持分段下载：Range 起始于 {Info.DownloadStart}，预期 ContentLength 为 {FileSize - Info.DownloadStart}，返回 ContentLength 为 {ContentLength}，总文件大小 {FileSize}")
+                    ElseIf Not FileSize - Info.DownloadStart = ContentLength Then
+                        Throw New WebException($"获取到的分段大小不一致：Range 起始于 {Info.DownloadStart}，预期 ContentLength 为 {FileSize - Info.DownloadStart}，返回 ContentLength 为 {ContentLength}，总文件大小 {FileSize}")
                     End If
+                    'Log($"[Download] {LocalName} {Info.Uuid}#：通过大小检查，文件大小 {FileSize}，起始点 {Info.DownloadStart}，ContentLength {ContentLength}")
                     Info.State = NetState.Get
                     SyncLock LockState
                         If State < NetState.Get Then State = NetState.Get
@@ -1108,7 +1112,7 @@ StartThread:
                         Dim HttpData As Byte() = New Byte(16384) {}
                         HttpDataCount = HttpStream.Read(HttpData, 0, 16384)
                         While (IsUnknownSize OrElse Info.DownloadUndone > 0) AndAlso '判断是否下载完成
-                      HttpDataCount > 0 AndAlso Not IsProgramEnded AndAlso State < NetState.Merge AndAlso (Not Info.Source.IsFailed OrElse Info.Equals(Info.Source.Thread))
+                            HttpDataCount > 0 AndAlso Not IsProgramEnded AndAlso State < NetState.Merge AndAlso (Not Info.Source.IsFailed OrElse Info.Equals(Info.Source.Thread))
                             '限速
                             While NetTaskSpeedLimitHigh > 0 AndAlso NetTaskSpeedLimitLeft <= 0
                                 Threading.Thread.Sleep(16)
@@ -1170,17 +1174,17 @@ StartThread:
                     End Using
                 End Using
 SourceBreak:
-                If HttpDataCount = 0 AndAlso Info.DownloadUndone > 0 AndAlso Not IsUnknownSize Then
-                    '服务器无返回数据
-                    Throw New Exception("服务器无返回数据，但下载尚未完成")
-                ElseIf State = NetState.Error OrElse Info.Source.IsFailed OrElse (Info.DownloadUndone > 0 AndAlso Not IsUnknownSize) Then
+                If State = NetState.Error OrElse Info.Source.IsFailed OrElse (Info.DownloadUndone > 0 AndAlso Not IsUnknownSize) Then
                     '被外部中断
                     Info.State = NetState.Error
-                    Log("[Download] " & LocalName & " " & Info.Uuid & "#：中断")
+                    Log($"[Download] {LocalName} {Info.Uuid}#：中断")
+                ElseIf HttpDataCount = 0 AndAlso Info.DownloadUndone > 0 AndAlso Not IsUnknownSize Then
+                    '服务器无返回数据
+                    Throw New Exception($"返回的 ContentLength 过多：ContentLength 为 {ContentLength}，但获取到的总数据量仅为 {Info.DownloadDone}（全文件总数据量 {DownloadDone}）")
                 Else
                     '本线程完成
                     Info.State = NetState.Finish
-                    If ModeDebug Then Log("[Download] " & LocalName & " " & Info.Uuid & "#：完成，已下载 " & GetString(Info.DownloadDone))
+                    If ModeDebug Then Log($"[Download] {LocalName} {Info.Uuid}#：完成，已下载 {Info.DownloadDone}")
                 End If
             Catch ex As Exception
                 '状态变更
@@ -1212,11 +1216,11 @@ SourceBreak:
                 'End SyncLock
                 Info.Source.Ex = ex
                 '根据情况判断，是否在多线程下禁用下载源（连续错误过多，或不支持断点续传）
-                'BMCLAPI 的部分源在高频率请求下会返回 403，所以不应因此禁用下载源
                 If ex.Message.Contains("该下载源不支持") OrElse ex.Message.Contains("未能解析") OrElse ex.Message.Contains("(404)") OrElse
-                   ex.Message.Contains("(502)") OrElse ex.Message.Contains("无返回数据") OrElse ex.Message.Contains("空间不足") OrElse ex.Message.Contains("获取到的片大小不一致") OrElse
-                    (Info.Source.FailCount >= MathClamp(NetTaskThreadLimit, 5, 40) AndAlso DownloadDone < 1) OrElse
-                    Info.Source.FailCount > NetTaskThreadLimit Then
+                   ex.Message.Contains("(502)") OrElse ex.Message.Contains("无返回数据") OrElse ex.Message.Contains("空间不足") OrElse ex.Message.Contains("获取到的分段大小不一致") OrElse
+                   (ex.Message.Contains("(403)") AndAlso Not Info.Source.Url.ContainsF("bmclapi")) OrElse 'BMCLAPI 的部分源在高频率请求下会返回 403，所以不应因此禁用下载源
+                   (Info.Source.FailCount >= MathClamp(NetTaskThreadLimit, 5, 30) AndAlso DownloadDone < 1) OrElse
+                    Info.Source.FailCount > NetTaskThreadLimit + 2 Then
                     Dim IsThisFail As Boolean = False
                     SyncLock LockSource
                         If Info.Source.Thread IsNot Nothing AndAlso Info.Source.Thread.Equals(Info) Then
@@ -1232,8 +1236,8 @@ Wrong:
                     End SyncLock
                     '本线程引发下载源被禁用
                     If IsThisFail Then
-                        Log("[Download] " & LocalName & " " & Uuid & "#：下载源被禁用（" & Info.Source.Id & "）：" & Info.Source.Url)
-                        Log(ex, "下载源 " & Info.Source.Id & " 已被禁用", If(ex.Message.Contains("不支持断点续传") OrElse ex.Message.Contains("(404)") OrElse ex.Message.Contains("(416)"), LogLevel.Developer, LogLevel.Debug))
+                        Log($"[Download] {LocalName} {Info.Uuid}#：下载源被禁用（{Info.Source.Id}）：{Info.Source.Url}")
+                        Log(ex, "下载源 " & Info.Source.Id & " 已被禁用", If(ex.Message.Contains("不支持分段下载") OrElse ex.Message.Contains("(404)") OrElse ex.Message.Contains("(416)"), LogLevel.Developer, LogLevel.Debug))
                         If IsSourceFailed() Then
                             '没有可用源
                             Log("[Download] 文件 " & LocalName & " 已无可用下载源")
@@ -1265,6 +1269,7 @@ Wrong:
                 SyncLock NetTaskThreadCountLock
                     NetTaskThreadCount -= 1
                 End SyncLock
+                '可能在没有下载完的时候开始合并文件了，这造成了大多数合并失败
                 If ((FileSize >= 0 AndAlso DownloadDone >= FileSize) OrElse (FileSize = -1 AndAlso DownloadDone > 0)) AndAlso State < NetState.Merge Then Merge()
             End Try
         End Sub
@@ -1287,7 +1292,6 @@ Wrong:
             Try
 Retry:
                 SyncLock LockChain
-                    If ModeDebug Then Log("[Download] " & LocalName & "：正在合并文件")
                     '创建文件夹
                     If File.Exists(LocalPath) Then File.Delete(LocalPath)
                     Dim Info As New FileInfo(LocalPath)
@@ -1295,6 +1299,7 @@ Retry:
                     '合并文件
                     If IsNoSplit Then
                         '仅有一个线程，从缓存中输出
+                        If ModeDebug Then Log($"[Download] {LocalName}：下载结束，从缓存输出文件")
                         MergeFile = New FileStream(LocalPath, FileMode.Create)
                         AddWriter = New BinaryWriter(MergeFile)
                         AddWriter.Write(SmailFileCache.ToArray)
@@ -1302,17 +1307,19 @@ Retry:
                         MergeFile.Dispose() : MergeFile = Nothing
                     ElseIf Threads.DownloadDone = DownloadDone AndAlso Threads.Temp IsNot Nothing Then
                         '仅有一个文件，直接复制
+                        If ModeDebug Then Log($"[Download] {LocalName}：下载结束，仅有一个文件，无需合并")
                         CopyFile(Threads.Temp, LocalPath)
                     Else
                         '有多个线程，合并
+                        If ModeDebug Then Log($"[Download] {LocalName}：下载结束，开始合并文件")
                         MergeFile = New FileStream(LocalPath, FileMode.Create)
                         AddWriter = New BinaryWriter(MergeFile)
                         For Each Thread As NetThread In Threads
                             If Thread.DownloadDone = 0 OrElse Thread.Temp Is Nothing Then Continue For
                             Using fs As New FileStream(Thread.Temp, FileMode.Open, FileAccess.Read, FileShare.Read)
-                                Dim TempReader As New BinaryReader(fs)
-                                AddWriter.Write(TempReader.ReadBytes(fs.Length))
-                                TempReader.Close()
+                                Using TempReader As New BinaryReader(fs)
+                                    AddWriter.Write(TempReader.ReadBytes(Thread.DownloadDone))
+                                End Using
                             End Using
                         Next
                         AddWriter.Dispose() : AddWriter = Nothing
@@ -1329,9 +1336,9 @@ Retry:
                     '检查文件
                     Dim CheckResult As String = Check?.Check(LocalPath)
                     If CheckResult IsNot Nothing Then
-                        Log("[Download] " & Uuid & "# 的下载线程细节：")
+                        Log($"[Download] {LocalName} 合并文件失败，下载线程细节：")
                         For Each Th As NetThread In Threads
-                            Log("[Download] " & Th.Uuid & "#，状态 " & GetStringFromEnum(CType(Th.State, [Enum])) & "，字节范围 " & Th.DownloadStart & "~" & (Th.DownloadStart + Th.DownloadDone) & "，字节剩余 " & Th.DownloadUndone)
+                            Log($"[Download]     {Th.Uuid}#，状态 {GetStringFromEnum(Th.State)}，范围 {Th.DownloadStart}~{Th.DownloadStart + Th.DownloadDone}，完成 {Th.DownloadDone}，剩余 {Th.DownloadUndone}")
                         Next
                         Throw New Exception(CheckResult)
                     End If
@@ -1379,11 +1386,6 @@ Retry:
             SyncLock NetManager.LockRemain
                 NetManager.FileRemain -= 1
                 Log("[Download] " & LocalName & "：已失败，剩余文件 " & NetManager.FileRemain)
-                'If NetManage.FileRemainList.Contains(LocalPath) Then
-                '    NetManage.FileRemainList.Remove(LocalPath)
-                'Else
-                '    Log("ERROR " & LocalPath)
-                'End If
             End SyncLock
             For Each Task In Tasks
                 Task.OnFileFail(Me)
@@ -1396,7 +1398,7 @@ Retry:
             '确认任务移除
             SyncLock LockTasks
                 Tasks.Remove(CausedByTask)
-                If Tasks.Count > 0 Then Exit Sub
+                If Tasks.Any Then Exit Sub
             End SyncLock
             '确认中断
             SyncLock LockState
@@ -1406,11 +1408,6 @@ Retry:
             SyncLock NetManager.LockRemain
                 NetManager.FileRemain -= 1
                 If ModeDebug Then Log("[Download] " & LocalName & "：已取消，剩余文件 " & NetManager.FileRemain)
-                'If NetManage.FileRemainList.Contains(LocalPath) Then
-                '    NetManage.FileRemainList.Remove(LocalPath)
-                'Else
-                '    Log("ERROR " & LocalPath)
-                'End If
             End SyncLock
         End Sub
 
@@ -1426,11 +1423,6 @@ Retry:
             SyncLock NetManager.LockRemain
                 NetManager.FileRemain -= 1
                 If PrintLog Then Log("[Download] " & LocalName & "：已完成，剩余文件 " & NetManager.FileRemain)
-                'If NetManage.FileRemainList.Contains(LocalPath) Then
-                '    NetManage.FileRemainList.Remove(LocalPath)
-                'Else
-                '    Log("ERROR " & LocalPath)
-                'End If
             End SyncLock
             SyncLock LockTasks
                 For Each Task In Tasks
@@ -1507,7 +1499,7 @@ FinishExCatch:
 #End Region
 
         ''' <summary>
-        ''' 刷新公开属性。由 NetManager 每 0.2 秒调用一次。
+        ''' 刷新公开属性。由 NetManager 每 0.1 秒调用一次。
         ''' </summary>
         Public Sub RefreshStat()
             '计算进度
@@ -1519,15 +1511,15 @@ FinishExCatch:
                         NewProgress += File.Progress * 0.2
                         TotalProgress += 0.2
                     Else
-                        NewProgress += File.Progress '* If(File.Progress < 1, 0.9, 1)
+                        NewProgress += File.Progress
                         TotalProgress += 1
                     End If
                 Next
             End SyncLock
             If TotalProgress > 0 Then NewProgress /= TotalProgress
             '刷新进度
-            If NewProgress < 1 AndAlso NewProgress > 0 Then NewProgress = 1 - (1 - NewProgress) ^ 0.9 'MathBezier(NewProgress, 0, 0.05, 1, 0.8, 0.0001)
-            _Progress = NewProgress * 0.99 + 0.01
+            If NewProgress < 1 AndAlso NewProgress > 0 Then NewProgress = 2 * (NewProgress ^ 3) - 3 * (NewProgress ^ 2) + 2 * NewProgress '2x^3-3x^2+2x，模拟开头和结尾更慢的情况
+            _Progress = NewProgress
         End Sub
 
         Public Sub New(Name As String, FileTasks As List(Of NetFile))
@@ -1556,71 +1548,72 @@ NextElement:
             End SyncLock
             State = LoadState.Loading
             '开始执行
-            RunInNewThread(Sub()
-                               Try
-                                   '输入检测
-                                   If Not Files.Any() Then
-                                       OnFinish()
-                                       Exit Sub
-                                   End If
-                                   For Each File As NetFile In Files
-                                       If File Is Nothing Then Throw New ArgumentException("存在空文件请求！")
-                                       For Each Source As NetSource In File.Sources
-                                           If Not (Source.Url.StartsWithF("https://", True) OrElse Source.Url.StartsWithF("http://", True)) Then
-                                               Source.Ex = New ArgumentException("输入的下载链接不正确！")
-                                               Source.IsFailed = True
-                                           End If
-                                       Next
-                                       If File.IsSourceFailed() Then Throw New ArgumentException("输入的下载链接不正确！")
-                                       If Not File.LocalPath.ToLower.Contains(":\") Then Throw New ArgumentException("输入的本地文件地址不正确！")
-                                       If File.LocalPath.EndsWithF("\") Then Throw New ArgumentException("请输入含文件名的完整文件路径！")
-                                       '文件夹检测
-                                       Dim DirPath As String = New FileInfo(File.LocalPath).Directory.FullName
-                                       If Not Directory.Exists(DirPath) Then Directory.CreateDirectory(DirPath)
-                                   Next
-                                   '接入下载管理器
-                                   NetManager.Start(Me)
-                                   '将文件分配给多个线程以进行已存在查找
-                                   Dim Folders As New List(Of String) '可能会用于已存在查找的文件夹列表
-                                   Dim FoldersFinal As New List(Of String) '最终用于查找的列表
-                                   If Not Setup.Get("SystemDebugSkipCopy") Then '在设置中禁用复制
-                                       Folders.Add(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) & "\.minecraft\") '总是添加官启文件夹，因为 HMCL 会把所有文件存在这里
-                                       For Each Folder In McFolderList
-                                           Folders.Add(Folder.Path)
-                                       Next
-                                       Folders = Folders.Distinct.ToList
-                                       For Each Folder In Folders
-                                           If Folder <> PathMcFolder AndAlso Directory.Exists(Folder) Then FoldersFinal.Add(Folder)
-                                       Next
-                                   End If
-                                   '最多 5 个线程，最少每个线程分配 10 个文件
-                                   SyncLock FilesLock
-                                       Dim FilesPerThread As Integer = Math.Max(5, Files.Count / 10 + 1)
-                                       Dim FilesInThread As New List(Of NetFile)
-                                       For Each File In Files
-                                           FilesInThread.Add(File)
-                                           If FilesInThread.Count = FilesPerThread Then
-                                               Dim FilesToRun As New List(Of NetFile)
-                                               FilesToRun.AddRange(FilesInThread)
-                                               RunInNewThread(Sub() StartCopy(FilesToRun, FoldersFinal), "NetTask FileCopy " & Uuid)
-                                               FilesInThread.Clear()
-                                           End If
-                                       Next
-                                       If FilesInThread.Count > 0 Then
-                                           Dim FilesToRun As New List(Of NetFile)
-                                           FilesToRun.AddRange(FilesInThread)
-                                           RunInNewThread(Sub() StartCopy(FilesToRun, FoldersFinal), "NetTask FileCopy " & Uuid)
-                                           FilesInThread.Clear()
-                                       End If
-                                   End SyncLock
-                               Catch ex As Exception
-                                   OnFail(New List(Of Exception) From {ex})
-                               End Try
-                           End Sub, "NetTask " & Uuid & " Main")
+            RunInNewThread(
+            Sub()
+                Try
+                    '输入检测
+                    If Not Files.Any() Then
+                        OnFinish()
+                        Exit Sub
+                    End If
+                    For Each File As NetFile In Files
+                        If File Is Nothing Then Throw New ArgumentException("存在空文件请求！")
+                        For Each Source As NetSource In File.Sources
+                            If Not (Source.Url.StartsWithF("https://", True) OrElse Source.Url.StartsWithF("http://", True)) Then
+                                Source.Ex = New ArgumentException("输入的下载链接不正确！")
+                                Source.IsFailed = True
+                            End If
+                        Next
+                        If File.IsSourceFailed() Then Throw New ArgumentException("输入的下载链接不正确！")
+                        If Not File.LocalPath.ToLower.Contains(":\") Then Throw New ArgumentException("输入的本地文件地址不正确！")
+                        If File.LocalPath.EndsWithF("\") Then Throw New ArgumentException("请输入含文件名的完整文件路径！")
+                        '文件夹检测
+                        Dim DirPath As String = New FileInfo(File.LocalPath).Directory.FullName
+                        If Not Directory.Exists(DirPath) Then Directory.CreateDirectory(DirPath)
+                    Next
+                    '接入下载管理器
+                    NetManager.Start(Me)
+                    '将文件分配给多个线程以进行已存在查找
+                    Dim Folders As New List(Of String) '可能会用于已存在查找的文件夹列表
+                    Dim FoldersFinal As New List(Of String) '最终用于查找的列表
+                    If Not Setup.Get("SystemDebugSkipCopy") Then '在设置中禁用复制
+                        Folders.Add(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) & "\.minecraft\") '总是添加官启文件夹，因为 HMCL 会把所有文件存在这里
+                        For Each Folder In McFolderList
+                            Folders.Add(Folder.Path)
+                        Next
+                        Folders = Folders.Distinct.ToList
+                        For Each Folder In Folders
+                            If Folder <> PathMcFolder AndAlso Directory.Exists(Folder) Then FoldersFinal.Add(Folder)
+                        Next
+                    End If
+                    '最多 5 个线程，最少每个线程分配 10 个文件
+                    SyncLock FilesLock
+                        Dim FilesPerThread As Integer = Math.Max(5, Files.Count / 10 + 1)
+                        Dim FilesInThread As New List(Of NetFile)
+                        For Each File In Files
+                            FilesInThread.Add(File)
+                            If FilesInThread.Count = FilesPerThread Then
+                                Dim FilesToRun As New List(Of NetFile)
+                                FilesToRun.AddRange(FilesInThread)
+                                RunInNewThread(Sub() StartCopy(FilesToRun, FoldersFinal), "NetTask FileCopy " & Uuid)
+                                FilesInThread.Clear()
+                            End If
+                        Next
+                        If FilesInThread.Any Then
+                            Dim FilesToRun As New List(Of NetFile)
+                            FilesToRun.AddRange(FilesInThread)
+                            RunInNewThread(Sub() StartCopy(FilesToRun, FoldersFinal), "NetTask FileCopy " & Uuid)
+                            FilesInThread.Clear()
+                        End If
+                    End SyncLock
+                Catch ex As Exception
+                    OnFail(New List(Of Exception) From {ex})
+                End Try
+            End Sub, "NetTask " & Uuid & " Main")
         End Sub
         Private Sub StartCopy(Files As List(Of NetFile), FolderList As List(Of String))
             Try
-                If ModeDebug Then Log("[Download] 检查线程分配文件数：" & Files.Count)
+                If ModeDebug Then Log("[Download] 检查线程分配文件数：" & Files.Count & "，线程名：" & Thread.CurrentThread.Name)
                 '试图从已存在的 Minecraft 文件夹中寻找目标文件
                 Dim ExistFiles As New List(Of KeyValuePair(Of NetFile, String)) '{NetFile, Target As String}
                 For Each File As NetFile In Files
@@ -1702,14 +1695,13 @@ Retry:
                 If ExList Is Nothing OrElse Not ExList.Any() Then ExList = New List(Of Exception) From {New Exception("未知错误！")}
                 '寻找第一个不是 404 的下载源
                 Dim UsefulExs = ExList.Where(Function(e) Not e.Message.Contains("(404)")).ToList
-                [Error] = If(UsefulExs.Count > 0, UsefulExs(0), ExList(0))
+                [Error] = If(UsefulExs.Any, UsefulExs(0), ExList(0))
                 '获取实际失败的文件
                 SyncLock FilesLock
                     For Each File In Files
                         If File.State = NetState.Error Then
                             [Error] = New Exception("文件下载失败：" & File.LocalPath & vbCrLf & Join(
-                                                        File.Sources.Select(Function(s) If(s.Ex Is Nothing, s.Url, s.Ex.Message & "（" & s.Url & "）")).ToList(),
-                                                    vbCrLf), [Error])
+                                File.Sources.Select(Function(s) If(s.Ex Is Nothing, s.Url, s.Ex.Message & "（" & s.Url & "）")), vbCrLf), [Error])
                             Exit For
                         End If
                     Next
@@ -1794,9 +1786,9 @@ Retry:
         ''' </summary>
         Private SpeedLastDone As Long = 0
         ''' <summary>
-        ''' 最近 10 次下载速度的记录，较新的在后面。间隔为 0.2 秒，故记录了 2 秒的速度。
+        ''' 至多最近 30 次下载速度的记录，较新的在前面。
         ''' </summary>
-        Public SpeedLast As New List(Of Long) From {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+        Private SpeedLast As New List(Of Long)
         '这些属性由 RefreshStat 刷新
         ''' <summary>
         ''' 当前的全局下载速度，单位为 Byte / 秒。
@@ -1808,28 +1800,29 @@ Retry:
 #End Region
 
         ''' <summary>
-        ''' 进度与下载速度由下载管理线程每隔约 0.2 秒刷新一次。
+        ''' 进度与下载速度由下载管理线程每隔约 0.1 秒刷新一次。
         ''' </summary>
         Private Sub RefreshStat()
             Try
                 Dim DeltaTime As Long = GetTimeTick() - RefreshStatLast
                 RefreshStatLast += DeltaTime
 #Region "刷新整体速度"
-                '计算即时速度
+                '计算瞬时速度
                 Dim ActualSpeed As Double = Math.Max(0, (DownloadDone - SpeedLastDone) / (DeltaTime / 1000))
-                SpeedLast.Add(ActualSpeed)
-                SpeedLast.RemoveAt(0)
+                SpeedLast.Insert(0, ActualSpeed)
+                If SpeedLast.Count >= 31 Then SpeedLast.RemoveAt(30)
                 SpeedLastDone = DownloadDone
                 '计算用于显示的速度
-                'If SpeedLast(9) = 0 Then
-                '    Speed = 0
-                'Else
-                Speed = (SpeedLast(9) + SpeedLast(8) * 0.9 + SpeedLast(7) * 0.8 + SpeedLast(6) * 0.7 + SpeedLast(5) * 0.6 + SpeedLast(4) * 0.5 + SpeedLast(3) * 0.4 + SpeedLast(2) * 0.3 + SpeedLast(1) * 0.2 + SpeedLast(0) * 0.1) / 5.5
-                'End If
+                Dim SpeedSum As Long = 0, SpeedDiv As Long = 0, Weight = SpeedLast.Count
+                For Each SpeedRecord In SpeedLast
+                    SpeedSum += SpeedRecord * Weight
+                    SpeedDiv += Weight
+                    Weight -= 1
+                Next
+                Speed = If(SpeedDiv > 0, SpeedSum / SpeedDiv, 0)
                 '计算新的速度下限
-                SpeedLast.Add(ActualSpeed)
-                SpeedLast.RemoveAt(0)
-                Dim Limit As Long = Math.Min(Math.Min(Math.Min(Math.Min(SpeedLast(5), SpeedLast(6)), SpeedLast(7)), SpeedLast(8)), SpeedLast(9)) * 0.9
+                Dim Limit As Long = 0
+                If SpeedLast.Count >= 10 Then Limit = SpeedLast.Take(10).Average * 0.85 '取近 1 秒的平均速度的 85%
                 If Limit > NetTaskSpeedLimitLow Then
                     NetTaskSpeedLimitLow = Limit
                     Log("[Download] " & "速度下限已提升到 " & GetString(Limit))
@@ -1854,128 +1847,65 @@ Retry:
         Private Sub StartManager()
             If IsManagerStarted Then Exit Sub
             IsManagerStarted = True
-            RunInNewThread(
-            Sub()
+            Dim ThreadStarter =
+            Sub(Id As Integer) '0 或 1
                 Try
-                    Dim LastLoopTime As Long
                     While True
-                        LastLoopTime = GetTimeTick()
+                        Thread.Sleep(20)
                         '若已完成，则清空
-                        If FileRemain = 0 AndAlso Files.Count > 0 Then
+                        If Id = 0 AndAlso FileRemain = 0 AndAlso Files.Any() Then
                             SyncLock LockFiles
                                 Files.Clear()
                             End SyncLock
                         End If
-                        '开启新线程
-                        If Speed < NetTaskSpeedLimitLow OrElse FileRemain > NetTaskThreadLimit Then
-                            '速度小于下限或剩余文件还贼多，尝试开启线程
-                            Dim IsSuccess As Boolean = False
-                            Dim NewThreadCount As Integer
-                            '确定最大线程追加数
-                            NewThreadCount = Math.Max(FileRemain, MathClamp(NetTaskThreadCount / 2, 1, 4))
-                            NewThreadCount = Math.Floor(NewThreadCount / 2) '双线程启用减半
-                            NewThreadCount = MathClamp(NewThreadCount, 1, NetTaskThreadLimit)
-                            '循环追加
-                            Do
-                                IsSuccess = False
-                                '启动 Wait 的文件后立即会变成 Connect，导致第二次循环再次调用，所以需要先暂时存储进去……
-                                '此外为了减少 LockFiles 的占用时间，所以先遍历列表再开始
-                                Dim FilesWaiting As New List(Of NetFile)
-                                Dim FilesLoading As New List(Of NetFile)
-                                SyncLock LockFiles
-                                    For Each File As NetFile In Files.Values
-                                        If File.RandomCode Mod 2 = 0 Then Continue For
-                                        If File.State = NetState.WaitForDownload Then
-                                            FilesWaiting.Add(File)
-                                        ElseIf File.State < NetState.Merge Then
-                                            FilesLoading.Add(File)
-                                        End If
-                                    Next
-                                End SyncLock
-                                '为文件列表中的文件开始线程
-                                For Each File As NetFile In FilesWaiting
-                                    If NewThreadCount = 0 Then Exit For
-                                    If File.TryBeginThread() Then
-                                        IsSuccess = True
-                                        NewThreadCount -= 1
-                                    End If
-                                Next
-                                For Each File As NetFile In FilesLoading
-                                    If NewThreadCount = 0 Then Exit For
-                                    If File.TryBeginThread() Then
-                                        IsSuccess = True
-                                        NewThreadCount -= 1
-                                    End If
-                                Next
-                                '等待 40 ms：BMCLAPI 部分时候有 20QPS 的限制
-                                Thread.Sleep(40)
-                            Loop While NewThreadCount > 0 AndAlso IsSuccess
-                        End If
-                        '等待 40 ms
-                        Thread.Sleep(40)
-                    End While
-                Catch ex As Exception
-                    Log(ex, "下载管理启动线程 1 出错", LogLevel.Assert)
-                End Try
-            End Sub, "NetManager ThreadStarter Single")
-            RunInNewThread(
-            Sub()
-                Try
-                    Dim LastLoopTime As Long
-                    While True
-                        LastLoopTime = GetTimeTick()
-                        '开启新线程
-                        If Speed < NetTaskSpeedLimitLow OrElse FileRemain > NetTaskThreadLimit Then
-                            '速度小于下限或剩余文件还贼多，尝试开启线程
-                            Dim IsSuccess As Boolean = False
-                            Dim NewThreadCount As Integer
-                            '确定最大线程追加数
-                            NewThreadCount = Math.Max(FileRemain, MathClamp(NetTaskThreadCount / 2, 1, 4))
-                            NewThreadCount = Math.Floor(NewThreadCount / 2) '双线程启用减半
-                            NewThreadCount = MathClamp(NewThreadCount, 1, NetTaskThreadLimit)
-                            '循环追加
-                            Do
-                                IsSuccess = False
-                                '启动 Wait 的文件后立即会变成 Connect，导致第二次循环再次调用，所以需要先暂时存储进去……
-                                '此外为了减少 LockFiles 的占用时间，所以先遍历列表再开始
-                                Dim FilesWaiting As New List(Of NetFile)
-                                Dim FilesLoading As New List(Of NetFile)
-                                SyncLock LockFiles
-                                    For Each File As NetFile In Files.Values
-                                        If File.RandomCode Mod 2 = 1 Then Continue For
-                                        If File.State = NetState.WaitForDownload Then
-                                            FilesWaiting.Add(File)
-                                        ElseIf File.State < NetState.Merge Then
-                                            FilesLoading.Add(File)
-                                        End If
-                                    Next
-                                End SyncLock
-                                '为文件列表中的文件开始线程
-                                For Each File As NetFile In FilesWaiting
-                                    If NewThreadCount = 0 Then Exit For
-                                    If File.TryBeginThread() Then
-                                        IsSuccess = True
-                                        NewThreadCount -= 1
-                                    End If
-                                Next
-                                For Each File As NetFile In FilesLoading
-                                    If NewThreadCount = 0 Then Exit For
-                                    If File.TryBeginThread() Then
-                                        IsSuccess = True
-                                        NewThreadCount -= 1
+                        '获取文件列表
+                        Dim AllFiles As List(Of NetFile)
+                        SyncLock LockFiles
+                            AllFiles = Files.Values.ToList()
+                        End SyncLock
+                        Dim WaitingFiles As New List(Of NetFile)
+                        Dim OngoingFiles As New List(Of NetFile)
+                        For Each File As NetFile In AllFiles
+                            If File.Uuid Mod 2 = Id Then Continue For
+                            If File.State = NetState.WaitForDownload Then
+                                WaitingFiles.Add(File)
+                            ElseIf File.State < NetState.Merge Then
+                                OngoingFiles.Add(File)
+                            End If
+                        Next
+                        '为等待中的文件开始线程
+                        For Each File As NetFile In WaitingFiles
+                            If NetTaskThreadCount >= NetTaskThreadLimit Then Continue While '最大线程数检查
+                            Dim NewThread = File.TryBeginThread()
+                            If NewThread IsNot Nothing AndAlso NewThread.Source.Url.Contains("bmclapi.") Then Thread.Sleep(40) '减少 BMCLAPI 请求频率，避免 Too Many Requests
+                        Next
+                        '为进行中的文件追加线程
+                        If Speed >= NetTaskSpeedLimitLow Then Continue While '下载速度足够，无需新增
+                        For Each File As NetFile In OngoingFiles
+                            If NetTaskThreadCount >= NetTaskThreadLimit Then Continue While '最大线程数检查
+                            '线程种类计数
+                            Dim PreparingCount = 0, DownloadingCount = 0
+                            If File.Threads IsNot Nothing Then
+                                For Each Thread As NetThread In File.Threads.ToList
+                                    If Thread.State < NetState.Download Then
+                                        PreparingCount += 1
+                                    ElseIf Thread.State = NetState.Download Then
+                                        DownloadingCount += 1
                                     End If
                                 Next
-                                '等待 40 ms：BMCLAPI 部分时候有 20QPS 的限制
-                                Thread.Sleep(40)
-                            Loop While NewThreadCount > 0 AndAlso IsSuccess
-                        End If
-                        '等待 40 ms
-                        Thread.Sleep(40)
+                            End If
+                            '新增线程
+                            If PreparingCount > DownloadingCount Then Continue For '准备中的线程已多于下载中的线程，不再新增
+                            Dim NewThread = File.TryBeginThread()
+                            If NewThread IsNot Nothing AndAlso NewThread.Source.Url.Contains("bmclapi.") Then Thread.Sleep(40) '减少 BMCLAPI 请求频率，避免 Too Many Requests
+                        Next
                     End While
                 Catch ex As Exception
-                    Log(ex, "下载管理启动线程 2 出错", LogLevel.Assert)
+                    Log(ex, $"下载管理启动线程 {Id} 出错", LogLevel.Assert)
                 End Try
-            End Sub, "NetManager ThreadStarter Odd")
+            End Sub
+            RunInNewThread(Sub() ThreadStarter(0), "NetManager ThreadStarter 0")
+            RunInNewThread(Sub() ThreadStarter(1), "NetManager ThreadStarter 1")
             RunInNewThread(
             Sub()
                 Try
@@ -1989,8 +1919,8 @@ Retry:
                         NetTaskSpeedLimitLeftLast = TimeNow
                         '刷新公开属性
                         RefreshStat()
-                        '等待直至 170 ms
-                        Do While GetTimeTick() - LastLoopTime < 170
+                        '等待直至 80 ms
+                        Do While GetTimeTick() - LastLoopTime < 80
                             Thread.Sleep(10)
                         Loop
                     End While

Plain Craft Launcher 2/Modules/Minecraft/ModComp.vb

@@ -414,10 +414,10 @@
             Json("Website") = Website
             If LastUpdate IsNot Nothing Then Json("LastUpdate") = LastUpdate
             Json("DownloadCount") = DownloadCount
-            If ModLoaders IsNot Nothing AndAlso ModLoaders.Count > 0 Then Json("ModLoaders") = New JArray(ModLoaders.Select(Function(m) CInt(m)))
+            If ModLoaders IsNot Nothing AndAlso ModLoaders.Any Then Json("ModLoaders") = New JArray(ModLoaders.Select(Function(m) CInt(m)))
             Json("Tags") = New JArray(Tags)
             If LogoUrl IsNot Nothing Then Json("LogoUrl") = LogoUrl
-            If GameVersions.Count > 0 Then Json("GameVersions") = New JArray(GameVersions)
+            If GameVersions.Any Then Json("GameVersions") = New JArray(GameVersions)
             Json("CacheTime") = Date.Now '用于检查缓存时间
             Return Json
         End Function
@@ -596,7 +596,7 @@
             SubtitleList = SubtitleList.Distinct().ToList()
             '设置标题与描述
             Dim Subtitle As String = ""
-            If SubtitleList.Count > 0 Then
+            If SubtitleList.Any Then
                 For Each Ex In SubtitleList
                     Dim IsModLoaderDescription As Boolean =
                         Ex.ToLower.Contains("forge") OrElse Ex.ToLower.Contains("fabric") OrElse Ex.ToLower.Contains("quilt")
@@ -1356,9 +1356,9 @@ Retry:
             Dim Info As String = ""
             Select Case Type
                 Case CompType.Mod
-                    Info += If(ModLoaders.Count > 0,
+                    Info += If(ModLoaders.Any,
                         "适用于 " & Join(ModLoaders.Select(Function(m) GetStringFromEnum(m)).ToList, "/") & "，", "")
-                    Info += If(ModeDebug AndAlso Dependencies.Count > 0, Dependencies.Count & " 个前置 Mod，", "")
+                    Info += If(ModeDebug AndAlso Dependencies.Any, Dependencies.Count & " 个前置 Mod，", "")
                 Case CompType.ModPack
                     If GameVersions.All(Function(v) v.Contains("w")) Then
                         Info += $"游戏版本 {Join(GameVersions, "、")}，"
@@ -1452,7 +1452,7 @@ Retry:
             SelectMany(Function(f) f.RawDependencies).Distinct().ToList
         Dim UndoneDeps = Deps.Where(Function(f) Not CompProjectCache.ContainsKey(f)).ToList
         '获取前置 Mod 工程信息
-        If UndoneDeps.Count > 0 Then
+        If UndoneDeps.Any Then
             Log($"[Comp] {ProjectId} 文件列表中还需要获取信息的前置 Mod：{Join(UndoneDeps, "，")}")
             Dim Projects As JArray
             If TargetProject.FromCurseForge Then
@@ -1467,7 +1467,7 @@ Retry:
             Next
         End If
         '更新前置 Mod 信息
-        If Deps.Count > 0 Then
+        If Deps.Any Then
             For Each DepProject In Deps.Select(Function(id) CompProjectCache(id))
                 For Each File In CompFilesCache(ProjectId)
                     If File.RawDependencies.Contains(DepProject.Id) AndAlso DepProject.Id <> ProjectId Then

Plain Craft Launcher 2/Modules/Minecraft/ModCrash.vb

@@ -94,7 +94,7 @@
                 Log(ex, "读取可能的崩溃日志文件失败（" & FilePath & "）")
             End Try
         Next
-        If LatestLog IsNot Nothing AndAlso LatestLog.Count > 0 Then
+        If LatestLog IsNot Nothing AndAlso LatestLog.Any Then
             Dim RawOutput As String = Join(LatestLog, vbCrLf)
             Log("[Crash] 以下为游戏输出的最后一段内容：" & vbCrLf & RawOutput)
             WriteFile(TempFolder & "RawOutput.log", RawOutput)
@@ -110,21 +110,20 @@
     Public Sub Import(FilePath As String)
         Log("[Crash] 步骤 1：自主导入日志文件")
 
-        '解压压缩包
+        '尝试视作压缩包解压
         Try
             Dim Info As New FileInfo(FilePath)
-            If Not Info.Exists OrElse Info.Length = 0 Then Exit Try
-            If Not FilePath.EndsWithF(".jar", True) AndAlso ExtractFile(FilePath, TempFolder & "Temp\") Then
-                '解压成功
+            If Info.Exists AndAlso Info.Length > 0 AndAlso Not FilePath.EndsWithF(".jar", True) Then
+                ExtractFile(FilePath, TempFolder & "Temp\")
                 Log("[Crash] 已解压导入的日志文件：" & FilePath)
-            Else
-                '解压失败
-                CopyFile(FilePath, TempFolder & "Temp\" & GetFileNameFromPath(FilePath))
-                Log("[Crash] 已复制导入的日志文件：" & FilePath)
+                GoTo Extracted
             End If
-        Catch ex As Exception
-            Log(ex, "解压导入文件中的压缩包失败")
+        Catch
         End Try
+        '并非压缩包
+        CopyFile(FilePath, TempFolder & "Temp\" & GetFileNameFromPath(FilePath))
+        Log("[Crash] 已复制导入的日志文件：" & FilePath)
+Extracted:
 
         '导入其中的日志文件
         For Each TargetFile As FileInfo In New DirectoryInfo(TempFolder & "Temp\").EnumerateFiles.ToList()
@@ -389,9 +388,9 @@
 
         '1. 精准日志匹配，中/高优先级
         AnalyzeCrit1()
-        If CrashReasons.Count > 0 Then GoTo Done
+        If CrashReasons.Any Then GoTo Done
         AnalyzeCrit2()
-        If CrashReasons.Count > 0 Then GoTo Done
+        If CrashReasons.Any Then GoTo Done
 
         '2. 堆栈分析
         If LogAll.Contains("orge") OrElse LogAll.Contains("abric") OrElse LogAll.Contains("uilt") OrElse LogAll.Contains("iteloader") Then
@@ -406,7 +405,7 @@
             If LogMc IsNot Nothing Then
                 Dim Fatals = RegexSearch(LogMc, "/FATAL] [\w\W]+?(?=[\n]+\[)")
                 Log("[Crash] 开始进行 Minecraft 日志堆栈分析，发现 " & Fatals.Count & " 个报错项")
-                If Fatals.Count > 0 Then
+                If Fatals.Any Then
                     For Each Fatal In Fatals
                         Keywords.AddRange(AnalyzeStackKeyword(Fatal))
                     Next
@@ -419,7 +418,7 @@
                 Keywords.AddRange(AnalyzeStackKeyword(StackLogs))
             End If
             'Mod 名称分析
-            If Keywords.Count > 0 Then
+            If Keywords.Any Then
                 Dim Names = AnalyzeModName(Keywords)
                 If Names Is Nothing Then
                     AppendReason(CrashReason.堆栈分析发现关键字, Keywords)
@@ -442,7 +441,7 @@ Done:
         Else
             Log("[Crash] 步骤 3：分析崩溃原因完成，找到 " & CrashReasons.Count & " 条可能的原因")
             For Each Reason In CrashReasons
-                Log("[Crash]  - " & GetStringFromEnum(Reason.Key) & If(Reason.Value.Count > 0, "（" & Join(Reason.Value, "；") & "）", ""))
+                Log("[Crash]  - " & GetStringFromEnum(Reason.Key) & If(Reason.Value.Any, "（" & Join(Reason.Value, "；") & "）", ""))
             Next
         End If
     End Sub
@@ -458,7 +457,7 @@ Done:
         Else
             CrashReasons.Add(Reason, New List(Of String)(If(Additional, {})))
         End If
-        Log("[Crash] 可能的崩溃原因：" & GetStringFromEnum(Reason) & If(Additional IsNot Nothing AndAlso Additional.Count > 0, "（" & Join(Additional, "；") & "）", ""))
+        Log("[Crash] 可能的崩溃原因：" & GetStringFromEnum(Reason) & If(Additional IsNot Nothing AndAlso Additional.Any, "（" & Join(Additional, "；") & "）", ""))
     End Sub
     Private Sub AppendReason(Reason As CrashReason, Additional As String)
         AppendReason(Reason, If(String.IsNullOrEmpty(Additional), Nothing, New List(Of String) From {Additional}))
@@ -567,7 +566,6 @@ Done:
                 End If
             End If
             If LogCrash.Contains("Multiple entries with same key: ") Then AppendReason(CrashReason.确定Mod导致游戏崩溃, TryAnalyzeModName(If(RegexSeek(LogCrash, "(?<=Multiple entries with same key: )[^=]+"), "").TrimEnd((vbCrLf & " ").ToCharArray)))
-            If LogCrash.Contains("due to errors, provided by ") Then AppendReason(CrashReason.确定Mod导致游戏崩溃, TryAnalyzeModName(If(RegexSeek(LogCrash, "(?<=due to errors, provided by ')[^']+"), "").TrimEnd((vbCrLf & " ").ToCharArray)))
             If LogCrash.Contains("LoaderExceptionModCrash: Caught exception from ") Then AppendReason(CrashReason.确定Mod导致游戏崩溃, TryAnalyzeModName(If(RegexSeek(LogCrash, "(?<=LoaderExceptionModCrash: Caught exception from )[^\n]+"), "").TrimEnd((vbCrLf & " ").ToCharArray)))
             If LogCrash.Contains("Failed loading config file ") Then AppendReason(CrashReason.Mod配置文件导致游戏崩溃, {TryAnalyzeModName(If(RegexSeek(LogCrash, "(?<=Failed loading config file .+ for modid )[^\n]+"), "").TrimEnd(vbCrLf)).First, If(RegexSeek(LogCrash, "(?<=Failed loading config file ).+(?= of type)"), "").TrimEnd(vbCrLf)})
         End If
@@ -612,6 +610,9 @@ Done:
                 If ModId Is Nothing Then ModId = RegexSeek(LogMc, "[^./ \]]+(?=.mixins.json)")
                 If ModId Is Nothing Then ModId = RegexSeek(LogMc, "(?<=mixins.)[^./ \]]+(?=.json)")
                 AppendReason(CrashReason.ModMixin失败, TryAnalyzeModName(If(ModId, "").TrimEnd((vbCrLf & " ").ToCharArray)))
+            Else
+                '在 #3104 的情况下，这一句导致 OptiFabric 的 Mixin 失败错判为 Fabric Loader 加载失败
+                If LogMc.Contains("due to errors, provided by ") Then AppendReason(CrashReason.确定Mod导致游戏崩溃, TryAnalyzeModName(If(RegexSeek(LogMc, "(?<=due to errors, provided by ')[^']+"), "").TrimEnd((vbCrLf & " ").ToCharArray)))
             End If
             '极短的程序输出
             If Not (LogMc.Contains("at net.") OrElse LogMc.Contains("INFO]")) AndAlso LogHs Is Nothing AndAlso LogCrash Is Nothing AndAlso LogMc.Length < 100 Then
@@ -678,7 +679,7 @@ NextStack:
         Next
         PossibleWords = PossibleWords.Distinct.ToList
         Log("[Crash] 从堆栈信息中找到 " & PossibleWords.Count & " 个可能的 Mod ID 关键词")
-        If PossibleWords.Count > 0 Then Log("[Crash]  - " & Join(PossibleWords, ", "))
+        If PossibleWords.Any Then Log("[Crash]  - " & Join(PossibleWords, ", "))
         If PossibleWords.Count > 10 Then
             Log("[Crash] 关键词过多，考虑匹配出错，不纳入考虑")
             Return New List(Of String)
@@ -847,7 +848,7 @@ NextStack:
                                 FileName = "游戏崩溃前的输出.txt"
                         End Select
                         If File.Exists(OutputFile) Then
-                            WriteFile(TempFolder & "Report\" & FileName, SecretFilter(ReadFile(OutputFile)))
+                            WriteFile(TempFolder & "Report\" & FileName, SecretFilter(ReadFile(OutputFile), If(FileName = "启动脚本.bat", "F", "*")))
                         End If
                     Next
                     '导出报告
@@ -903,7 +904,7 @@ NextStack:
                         Results.Add("你正在使用 32 位的操作系统，这会导致 Minecraft 无法使用所需的内存，进而造成崩溃。\n\n你或许只能重装 64 位的操作系统来解决此问题。\n如果你的电脑内存在 2GB 以内，那或许只能换台电脑了……\h")
                     End If
                 Case CrashReason.Mod缺少前置或MC版本错误
-                    If Additional.Count > 0 Then
+                    If Additional.Any Then
                         Results.Add("由于未满足 Mod 的依赖项，导致游戏退出。\n未满足的依赖项：\n - " & Join(Additional, "\n - ") & "\n\n请根据上述信息进行对应处理，如果看不懂英文可以使用翻译软件。")
                     Else
                         Results.Add("由于未满足 Mod 的依赖项，导致游戏退出。\n请根据错误报告中的日志信息进行对应处理，如果看不懂英文可以使用翻译软件。\h")

Plain Craft Launcher 2/Modules/Minecraft/ModJava.vb

@@ -79,7 +79,7 @@
         Public Overrides Function ToString() As String
             Dim VersionString = Version.ToString
             If VersionString.StartsWithF("1.") Then VersionString = Mid(VersionString, 3)
-            Return If(IsJre, "JRE ", "JDK ") & VersionCode & " (" & VersionString & ")，" & If(Is64Bit, "64", "32") & " 位" & If(IsUserImport, "，手动导入", "") & "：" & PathFolder
+            Return If(IsJre, "JRE ", "JDK ") & VersionCode & " (" & VersionString & ")" & If(Is64Bit, "", "，32 位") & If(IsUserImport, "，手动导入", "") & "：" & PathFolder
         End Function
 
         '构造
@@ -220,7 +220,7 @@
             Next
 
             '检查特定的 Java
-            If TargetJavaList.Count > 0 Then
+            If TargetJavaList.Any Then
                 TargetJavaList = JavaCheckList(TargetJavaList)
                 Log("[Java] 检查后找到 " & TargetJavaList.Count & " 个特定路径下的 Java：")
                 For Each Java In TargetJavaList
@@ -534,7 +534,7 @@ NoUserJava:
                 Log("[Java] 位于 " & Folder & " 的 Java 不含符号链接")
                 JavaWithoutReparse.Add(Pair.Key, Pair.Value)
             Next
-            If JavaWithoutReparse.Count > 0 Then JavaPreList = JavaWithoutReparse
+            If JavaWithoutReparse.Any Then JavaPreList = JavaWithoutReparse
 
             '若不全为特殊引用，则清除特殊引用的地址
             Dim JavaWithoutInherit As New Dictionary(Of String, Boolean)
@@ -546,7 +546,7 @@ NoUserJava:
                     JavaWithoutInherit.Add(Pair.Key, Pair.Value)
                 End If
             Next
-            If JavaWithoutInherit.Count > 0 Then JavaPreList = JavaWithoutInherit
+            If JavaWithoutInherit.Any Then JavaPreList = JavaWithoutInherit
 
 #End Region
 

Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb

@@ -62,7 +62,7 @@ Public Module ModLaunch
     ''' 记录启动日志。
     ''' </summary>
     Public Sub McLaunchLog(Text As String)
-        Text = SecretFilter(Text)
+        Text = SecretFilter(Text, "*")
         RunInUi(Sub() FrmLaunchRight.LabLog.Text += vbCrLf & "[" & GetTimeNow() & "] " & Text)
         Log("[Launch] " & Text)
     End Sub
@@ -101,10 +101,10 @@ Public Module ModLaunch
         '正式加载
         Try
             '构造主加载器
-            Dim LaunchLoader As New LoaderCombo(Of Object)("Minecraft 启动", {
-                New LoaderTask(Of Integer, Integer)("获取 Java", AddressOf McLaunchJava) With {.ProgressWeight = 4, .Block = False, .Show = False},
+            Dim Loaders As New List(Of LoaderBase) From {
+                New LoaderTask(Of Integer, Integer)("获取 Java", AddressOf McLaunchJava) With {.ProgressWeight = 4, .Block = False},
                 McLoginLoader,
-                New LoaderCombo(Of String)("补全文件", DlClientFix(McVersionCurrent, False, AssetsIndexExistsBehaviour.DownloadInBackground, True)) With {.ProgressWeight = 15, .Show = False, .Block = True},
+                New LoaderCombo(Of String)("补全文件", DlClientFix(McVersionCurrent, False, AssetsIndexExistsBehaviour.DownloadInBackground, True)) With {.ProgressWeight = 15, .Show = False},
                 New LoaderTask(Of String, List(Of McLibToken))("获取启动参数", AddressOf McLaunchArgumentMain) With {.ProgressWeight = 2},
                 New LoaderTask(Of List(Of McLibToken), Integer)("解压文件", AddressOf McLaunchNatives) With {.ProgressWeight = 2},
                 New LoaderTask(Of Integer, Integer)("预启动处理", AddressOf McLaunchPrerun) With {.ProgressWeight = 1},
@@ -112,7 +112,12 @@ Public Module ModLaunch
                 New LoaderTask(Of Integer, Process)("启动进程", AddressOf McLaunchRun) With {.ProgressWeight = 2},
                 New LoaderTask(Of Process, Integer)("等待游戏窗口出现", AddressOf McLaunchWait) With {.ProgressWeight = 1},
                 New LoaderTask(Of Integer, Integer)("结束处理", AddressOf McLaunchEnd) With {.ProgressWeight = 1}
-            }) With {.Show = False}
+            }
+            If Setup.Get("LaunchArgumentRam") Then
+                CType(Loaders(2), LoaderCombo(Of String)).Block = False
+                Loaders.Insert(3, New LoaderTask(Of Integer, Integer)("内存优化", AddressOf McLaunchMemoryOptimize) With {.ProgressWeight = 30})
+            End If
+            Dim LaunchLoader As New LoaderCombo(Of Object)("Minecraft 启动", Loaders) With {.Show = False}
             If McLoginLoader.State = LoadState.Finished Then McLoginLoader.State = LoadState.Waiting '要求重启登录主加载器，它会自行决定是否启动副加载器
             '等待加载器执行并更新 UI
             McLaunchLoaderReal = LaunchLoader
@@ -163,6 +168,28 @@ NextInner:
 
 #End Region
 
+#Region "内存优化"
+
+    Private Sub McLaunchMemoryOptimize(Loader As LoaderTask(Of Integer, Integer))
+        McLaunchLog("内存优化开始")
+        Dim Finished As Boolean = False
+        RunInNewThread(
+        Sub()
+            PageOtherTest.MemoryOptimize(False)
+            Finished = True
+        End Sub, "Launch Memory Optimize")
+        Do While Not Finished AndAlso Not Loader.IsAborted
+            If Loader.Progress < 0.7 Then
+                Loader.Progress += 0.007 '10s
+            Else
+                Loader.Progress += (0.95 - Loader.Progress) * 0.02 '最快 += 0.005
+            End If
+            Thread.Sleep(100)
+        Loop
+    End Sub
+
+#End Region
+
 #Region "预检测"
 
     Private Sub McLaunchPrecheck()
@@ -247,7 +274,7 @@ NextInner:
         ''' </summary>
         Public BaseUrl As String
         ''' <summary>
-        ''' 登录所使用的标识符，如 “Mojang”、“Nide”，用于存储缓存等。
+        ''' 登录所使用的标识符，目前只可能为 “Auth” 或 “Nide”，用于存储缓存等。
         ''' </summary>
         Public Token As String
         ''' <summary>
@@ -526,7 +553,13 @@ SkipLogin:
         McLaunchLog("登录方式：" & Input.Description & "（" & LogUsername & "）")
         Data.Progress = 0.05
         '尝试登录
-        If (Not Data.Input.ForceReselectProfile) AndAlso Setup.Get("Cache" & Input.Token & "Username") = Data.Input.UserName AndAlso Setup.Get("Cache" & Input.Token & "Pass") = Data.Input.Password AndAlso Not Setup.Get("Cache" & Input.Token & "Access") = "" AndAlso Not Setup.Get("Cache" & Input.Token & "Client") = "" AndAlso Not Setup.Get("Cache" & Input.Token & "Uuid") = "" AndAlso Not Setup.Get("Cache" & Input.Token & "Name") = "" Then
+        If (Not Data.Input.ForceReselectProfile) AndAlso
+            Setup.Get("Cache" & Input.Token & "Username") = Data.Input.UserName AndAlso
+            Setup.Get("Cache" & Input.Token & "Pass") = Data.Input.Password AndAlso
+            Setup.Get("Cache" & Input.Token & "Access") <> "" AndAlso
+            Setup.Get("Cache" & Input.Token & "Client") <> "" AndAlso
+            Setup.Get("Cache" & Input.Token & "Uuid") <> "" AndAlso
+            Setup.Get("Cache" & Input.Token & "Name") <> "" Then
             '尝试验证登录
             Try
                 If Data.IsAborted Then Throw New ThreadInterruptedException
@@ -990,14 +1023,14 @@ SystemBrowser:
             Case 1
                 'Steve
                 Do Until McSkinSex(Uuid) = "Steve"
-                    If Uuid.EndsWithF("FFFFF") Then Uuid = Mid(Uuid, 1, 32 - 5) & "00000"
-                    Uuid = Mid(Uuid, 1, 32 - 5) & (Long.Parse(Right(Uuid, 5), Globalization.NumberStyles.AllowHexSpecifier) + 1).ToString("X")
+                    If Uuid.EndsWithF("FFFFF") Then Uuid = Uuid.Substring(0, 27) & "00000"
+                    Uuid = Uuid.Substring(0, 27) & (Long.Parse(Uuid.Substring(27), Globalization.NumberStyles.AllowHexSpecifier) + 1).ToString("X").PadLeft(5, "0")
                 Loop
             Case 2
                 'Alex
                 Do Until McSkinSex(Uuid) = "Alex"
-                    If Uuid.EndsWithF("FFFFF") Then Uuid = Mid(Uuid, 1, 32 - 5) & "00000"
-                    Uuid = Mid(Uuid, 1, 32 - 5) & (Long.Parse(Right(Uuid, 5), Globalization.NumberStyles.AllowHexSpecifier) + 1).ToString("X")
+                    If Uuid.EndsWithF("FFFFF") Then Uuid = Uuid.Substring(0, 27) & "00000"
+                    Uuid = Uuid.Substring(0, 27) & (Long.Parse(Uuid.Substring(27), Globalization.NumberStyles.AllowHexSpecifier) + 1).ToString("X").PadLeft(5, "0")
                 Loop
             Case 3
                 '使用正版用户名
@@ -1096,22 +1129,25 @@ SystemBrowser:
         If McVersionCurrent.Version.HasForge Then
             If McVersionCurrent.Version.McName = "1.7.2" Then
                 '1.7.2：必须 Java 7
-                MinVer = New Version(1, 7, 0, 0) : MaxVer = New Version(1, 7, 999, 999)
+                MinVer = If(New Version(1, 7, 0, 0) > MinVer, New Version(1, 7, 0, 0), MinVer)
+                MaxVer = If(New Version(1, 7, 999, 999) < MaxVer, New Version(1, 7, 999, 999), MaxVer)
             ElseIf McVersionCurrent.Version.McCodeMain <= 12 AndAlso McVersionCurrent.Version.McCodeMain > 0 Then
                 '<=1.12：Java 8
                 MaxVer = New Version(1, 8, 999, 999)
             ElseIf McVersionCurrent.Version.McCodeMain <= 14 AndAlso McVersionCurrent.Version.McCodeMain >= 13 Then
                 '1.13 - 1.14：Java 8 - 10
-                MinVer = New Version(1, 8, 0, 0) : MaxVer = New Version(1, 10, 999, 999)
+                MinVer = If(New Version(1, 8, 0, 0) > MinVer, New Version(1, 8, 0, 0), MinVer)
+                MaxVer = If(New Version(1, 10, 999, 999) < MaxVer, New Version(1, 10, 999, 999), MaxVer)
             ElseIf McVersionCurrent.Version.McCodeMain = 15 Then
                 '1.15：Java 8 - 15
-                MinVer = New Version(1, 8, 0, 0) : MaxVer = New Version(1, 15, 999, 999)
+                MinVer = If(New Version(1, 8, 0, 0) > MinVer, New Version(1, 8, 0, 0), MinVer)
+                MaxVer = If(New Version(1, 15, 999, 999) < MaxVer, New Version(1, 15, 999, 999), MaxVer)
             ElseIf VersionSortBoolean(McVersionCurrent.Version.ForgeVersion, "34.0.0") AndAlso VersionSortBoolean("36.2.25", McVersionCurrent.Version.ForgeVersion) Then
                 '1.16，Forge 34.X ~ 36.2.25：最高 Java 8u320
-                MaxVer = New Version(1, 8, 0, 320)
+                MaxVer = If(New Version(1, 8, 0, 320) < MaxVer, New Version(1, 8, 0, 320), MaxVer)
             ElseIf McVersionCurrent.Version.McCodeMain >= 18 AndAlso McVersionCurrent.Version.McCodeMain < 19 AndAlso McVersionCurrent.Version.HasOptiFine Then '#305
                 '1.18：若安装了 OptiFine，最高 Java 18
-                MaxVer = New Version(1, 18, 999, 999)
+                MaxVer = If(New Version(1, 18, 999, 999) < MaxVer, New Version(1, 18, 999, 999), MaxVer)
             End If
         End If
 
@@ -1119,10 +1155,10 @@ SystemBrowser:
         If McVersionCurrent.Version.HasFabric Then
             If McVersionCurrent.Version.McCodeMain >= 15 AndAlso McVersionCurrent.Version.McCodeMain <= 16 AndAlso McVersionCurrent.Version.McCodeMain <> -1 Then
                 '1.15 - 1.16：Java 8+
-                MinVer = New Version(1, 8, 0, 0)
+                MinVer = If(New Version(1, 8, 0, 0) > MinVer, New Version(1, 8, 0, 0), MinVer)
             ElseIf McVersionCurrent.Version.McCodeMain >= 18 AndAlso McVersionCurrent.Version.McCodeMain < 99 Then
                 '1.18+：Java 17+
-                MinVer = New Version(1, 17, 0, 0)
+                MinVer = If(New Version(1, 17, 0, 0) > MinVer, New Version(1, 17, 0, 0), MinVer)
             End If
         End If
 
@@ -1202,17 +1238,20 @@ SystemBrowser:
     ''' </summary>
     Public Function ExtractJavaWrapper() As String
         Dim WrapperPath As String = GetJavaWrapperDir() & "\JavaWrapper.jar"
-        WriteFile(WrapperPath, GetResources("JavaWrapper"))
+        SyncLock ExtractJavaWrapperLock '避免 OptiFine 和 Forge 安装时同时释放 Java Wrapper 导致冲突
+            WriteFile(WrapperPath, GetResources("JavaWrapper"))
+        End SyncLock
         Log("[Java] 已释放 Java Wrapper：" & WrapperPath)
         Return WrapperPath
     End Function
+    Private ExtractJavaWrapperLock As New Object
     ''' <summary>
     ''' 获取 Java Wrapper 所在的文件夹，不以 \ 结尾。
     ''' </summary>
     Public Function GetJavaWrapperDir() As String
-        If Encoding.UTF8.GetByteCount(PathAppdata) = PathAppdata.Length Then
+        If PathAppdata.IsASCII() Then
             Return PathAppdata.TrimEnd("\")
-        ElseIf Encoding.UTF8.GetByteCount(PathTemp) = PathTemp.Length Then
+        ElseIf PathTemp.IsASCII() Then
             Log("[Java] Wrapper：AppData 路径中包含非 ASCII 字符，换用 Temp 目录")
             Return PathTemp.TrimEnd("\")
         Else
@@ -1276,9 +1315,7 @@ SystemBrowser:
                     '不包含端口号
                     Arguments += " --server " & Server & " --port 25565"
                 End If
-                If McVersionCurrent.Version.HasOptiFine Then 'OptiFine 警告
-                    Hint("OptiFine 与自动进入服务器可能不兼容，有概率导致材质丢失甚至游戏崩溃！", HintType.Critical)
-                End If
+                If McVersionCurrent.Version.HasOptiFine Then Hint("OptiFine 与自动进入服务器可能不兼容，有概率导致材质丢失甚至游戏崩溃！", HintType.Critical)
             End If
         End If
         '自定义
@@ -1300,10 +1337,11 @@ SystemBrowser:
         Dim ArgumentJvm As String = Setup.Get("VersionAdvanceJvm", Version:=McVersionCurrent)
         If ArgumentJvm = "" Then ArgumentJvm = Setup.Get("LaunchAdvanceJvm")
         If Not ArgumentJvm.Contains("-Dlog4j2.formatMsgNoLookups=true") Then ArgumentJvm += " -Dlog4j2.formatMsgNoLookups=true"
+        ArgumentJvm = ArgumentJvm.Replace(" -XX:MaxDirectMemorySize=256M", "") '#3511 的清理
         DataList.Insert(0, ArgumentJvm) '可变 JVM 参数
-        DataList.Add("-Xmn256m")
+        DataList.Add("-Xmn" & Math.Floor(PageVersionSetup.GetRam(McVersionCurrent, Not McLaunchJavaSelected.Is64Bit) * 1024 * 0.5) & "m")
         DataList.Add("-Xmx" & Math.Floor(PageVersionSetup.GetRam(McVersionCurrent, Not McLaunchJavaSelected.Is64Bit) * 1024) & "m")
-        DataList.Add("""-Djava.library.path=" & Version.Path & Version.Name & "-natives""")
+        DataList.Add("""-Djava.library.path=" & GetNativesFolder() & """")
         DataList.Add("-cp ${classpath}") '把支持库添加进启动参数表
 
         '统一通行证
@@ -1415,6 +1453,9 @@ NextVersion:
             DeDuplicateDataList.Add(CurrentEntry.Trim.Replace("McEmu= ", "McEmu="))
         Next
 
+        '#3511 的清理
+        DeDuplicateDataList.Remove("-XX:MaxDirectMemorySize=256M")
+
         '去重
         Dim Result As String = Join(DeDuplicateDataList.Distinct.ToList, " ")
 
@@ -1535,7 +1576,7 @@ NextVersion:
 
         '基础参数
         GameArguments.Add("${classpath_separator}", ";")
-        GameArguments.Add("${natives_directory}", Version.Path & Version.Name & "-natives")
+        GameArguments.Add("${natives_directory}", GetNativesFolder())
         GameArguments.Add("${library_directory}", PathMcFolder & "libraries")
         GameArguments.Add("${libraries_directory}", PathMcFolder & "libraries")
         GameArguments.Add("${launcher_name}", "PCL")
@@ -1552,9 +1593,26 @@ NextVersion:
         GameArguments.Add("${access_token}", McLoginLoader.Output.AccessToken)
         GameArguments.Add("${auth_session}", McLoginLoader.Output.AccessToken)
         GameArguments.Add("${user_type}", "msa") '#1221
-        Dim GameSize As Size = Setup.GetLaunchArgumentWindowSize()
-        GameArguments.Add("${resolution_width}", GameSize.Width)
-        GameArguments.Add("${resolution_height}", GameSize.Height)
+
+        '窗口尺寸参数
+        Dim GameSize As Size
+        Select Case Setup.Get("LaunchArgumentWindowType")
+            Case 2
+                Dim Result As Size
+                RunInUiWait(Sub() Result = New Size(GetPixelSize(FrmMain.PanForm.ActualWidth), GetPixelSize(FrmMain.PanForm.ActualHeight)))
+                GameSize = Result
+            Case 3
+                GameSize = New Size(Math.Max(100, Setup.Get("LaunchArgumentWindowWidth") - 2), Math.Max(100, Setup.Get("LaunchArgumentWindowHeight") - 2))
+            Case Else
+                GameSize = New Size(875 - 2, 540 - 2)
+        End Select
+        GameSize.Height -= 29.5 * DPI / 96 '标题栏高度
+        If McVersionCurrent.Version.McCodeMain <= 12 AndAlso McLaunchJavaSelected.VersionCode <= 8 Then '修复 #3463：1.12.2-，JRE 8 下窗口大小为设置大小的 DPI% 倍
+            GameSize.Width /= DPI / 96
+            GameSize.Height /= DPI / 96
+        End If
+        GameArguments.Add("${resolution_width}", Math.Round(GameSize.Width))
+        GameArguments.Add("${resolution_height}", Math.Round(GameSize.Height))
 
         'Assets 相关参数
         GameArguments.Add("${game_assets}", PathMcFolder & "assets\virtual\legacy") '1.5.2 的 pre-1.6 资源索引应与 legacy 合并
@@ -1586,7 +1644,8 @@ NextVersion:
     Private Sub McLaunchNatives(Loader As LoaderTask(Of List(Of McLibToken), Integer))
 
         '创建文件夹
-        Directory.CreateDirectory(McVersionCurrent.Path & McVersionCurrent.Name & "-natives")
+        Dim Target As String = GetNativesFolder() & "\"
+        Directory.CreateDirectory(Target)
 
         '解压文件
         McLaunchLog("正在解压 Natives 文件")
@@ -1605,7 +1664,7 @@ NextVersion:
                 Dim FileName As String = Entry.FullName
                 If FileName.EndsWithF(".dll", True) Then
                     '实际解压文件的步骤
-                    Dim FilePath As String = McVersionCurrent.Path & McVersionCurrent.Name & "-natives\" & FileName
+                    Dim FilePath As String = Target & FileName
                     ExistFiles.Add(FilePath)
                     Dim OriginalFile As New FileInfo(FilePath)
                     If OriginalFile.Exists Then
@@ -1631,7 +1690,7 @@ NextVersion:
         Next
 
         '删除多余文件
-        For Each FileName As String In Directory.GetFiles(McVersionCurrent.Path & McVersionCurrent.Name & "-natives")
+        For Each FileName As String In Directory.GetFiles(Target)
             If ExistFiles.Contains(FileName) Then Continue For
             Try
                 McLaunchLog("删除：" & FileName)
@@ -1644,6 +1703,16 @@ NextVersion:
         Next
 
     End Sub
+    ''' <summary>
+    ''' 获取 Natives 文件夹路径，不以 \ 结尾。
+    ''' </summary>
+    Private Function GetNativesFolder() As String
+        Dim Result As String = McVersionCurrent.Path & McVersionCurrent.Name & "-natives"
+        If IsGBKEncoding OrElse Result.IsASCII() Then Return Result
+        Result = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) & "\.minecraft\bin\natives"
+        If Result.IsASCII() Then Return Result
+        Return OsDrive & "ProgramData\PCL\natives"
+    End Function
 
 #End Region
 
@@ -1758,7 +1827,7 @@ NextVersion:
             Select Case Setup.Get("LaunchArgumentWindowType")
                 Case 0 '全屏
                     WriteIni(SetupFileAddress, "fullscreen", "true")
-                Case 5 '保持默认
+                Case 1 '默认
                 Case Else '其他
                     WriteIni(SetupFileAddress, "fullscreen", "false")
             End Select
@@ -1936,7 +2005,7 @@ IgnoreCustomSkin:
                 """" & McLaunchJavaSelected.PathJava & """ " & McLaunchArgument & vbCrLf &
                 "echo 游戏已退出。" & vbCrLf &
                 "pause"
-            WriteFile(If(McLaunchLoader.Input.SaveBatch, Path & "PCL\LatestLaunch.bat"), SecretFilter(CmdString),
+            WriteFile(If(McLaunchLoader.Input.SaveBatch, Path & "PCL\LatestLaunch.bat"), SecretFilter(CmdString, "F"),
                       Encoding:=If(Encoding.Default.Equals(Encoding.UTF8), Encoding.UTF8, Encoding.GetEncoding("GB18030")))
             If McLaunchLoader.Input.SaveBatch IsNot Nothing Then
                 McLaunchLog("导出启动脚本完成，强制结束启动过程")
@@ -2058,7 +2127,7 @@ IgnoreCustomSkin:
         McLaunchLog("")
         McLaunchLog("~ 基础参数 ~")
         McLaunchLog("PCL 版本：" & VersionDisplayName & " (" & VersionCode & ")")
-        McLaunchLog("游戏版本：" & McVersionCurrent.Version.ToString & "（" & McVersionCurrent.Version.McCodeMain & "." & McVersionCurrent.Version.McCodeSub & "）")
+        McLaunchLog("游戏版本：" & McVersionCurrent.Version.ToString & "（识别为 1." & McVersionCurrent.Version.McCodeMain & "." & McVersionCurrent.Version.McCodeSub & "）")
         McLaunchLog("资源版本：" & McAssetsGetIndexName(McVersionCurrent))
         McLaunchLog("版本继承：" & If(McVersionCurrent.InheritVersion = "", "无", McVersionCurrent.InheritVersion))
         McLaunchLog("分配的内存：" & PageVersionSetup.GetRam(McVersionCurrent, Not McLaunchJavaSelected.Is64Bit) & " GB（" & Math.Round(PageVersionSetup.GetRam(McVersionCurrent, Not McLaunchJavaSelected.Is64Bit) * 1024) & " MB）")
@@ -2068,6 +2137,7 @@ IgnoreCustomSkin:
         McLaunchLog("HMCL 格式：" & McVersionCurrent.IsHmclFormatJson)
         McLaunchLog("Java 信息：" & If(McLaunchJavaSelected IsNot Nothing, McLaunchJavaSelected.ToString, "无可用 Java"))
         McLaunchLog("环境变量：" & If(McLaunchJavaSelected IsNot Nothing, If(McLaunchJavaSelected.HasEnvironment, "已设置", "未设置"), "未设置"))
+        McLaunchLog("Natives 文件夹：" & GetNativesFolder())
         McLaunchLog("")
         McLaunchLog("~ 登录参数 ~")
         McLaunchLog("玩家用户名：" & McLoginLoader.Output.Name)

Plain Craft Launcher 2/Modules/Minecraft/ModMinecraft.vb

@@ -181,7 +181,7 @@
             If AniControlEnabled = 0 AndAlso
                Setup.Get("VersionServerAuthServer", Version:=value) <> Setup.Get("CacheAuthServerServer") AndAlso
                Setup.Get("VersionServerLogin", Version:=value) = 4 Then
-                Setup.Set("CacheNideServer", "")
+                Setup.Set("CacheAuthAccess", "")
                 Log("[Launch] 服务器改变，要求重新登录 Authlib-Injector")
             End If
             If Setup.Get("VersionServerLogin", Version:=value) = 4 Then
@@ -216,8 +216,8 @@
                     '尚未判断
                     Dim ModFolder As New DirectoryInfo(Path & "mods\")
                     Dim SaveFolder As New DirectoryInfo(Path & "saves\")
-                    If (ModFolder.Exists AndAlso ModFolder.EnumerateFiles.Count > 0) OrElse
-                       (SaveFolder.Exists AndAlso SaveFolder.EnumerateFiles.Count > 0) Then
+                    If (ModFolder.Exists AndAlso ModFolder.EnumerateFiles.Any) OrElse
+                       (SaveFolder.Exists AndAlso SaveFolder.EnumerateFiles.Any) Then
                         '自动开启
                         Setup.Set("VersionArgumentIndie", 1, Version:=Me)
                         Log("[Setup] 已自动开启单版本隔离：" & Name)
@@ -1234,7 +1234,7 @@ OnLoaded:
             For Each Version As McVersion In VersionList
                 If Version.IsStar AndAlso Not Version.DisplayType = McVersionCardType.Hidden Then StaredVersions.Add(Version)
             Next
-            If StaredVersions.Count > 0 Then VersionListOriginal.Add(McVersionCardType.Star, StaredVersions)
+            If StaredVersions.Any Then VersionListOriginal.Add(McVersionCardType.Star, StaredVersions)
 
             '预先筛选出愚人节的版本
             McVersionFilter(VersionList, VersionListOriginal, {McVersionState.Error}, McVersionCardType.Error)
@@ -1308,8 +1308,8 @@ OnLoaded:
 
             '将剩余的东西添加进去
             VersionRubbish.AddRange(VersionList)
-            If VersionUseful.Count > 0 Then VersionListOriginal.Add(McVersionCardType.OriginalLike, VersionUseful)
-            If VersionRubbish.Count > 0 Then VersionListOriginal.Add(McVersionCardType.Rubbish, VersionRubbish)
+            If VersionUseful.Any Then VersionListOriginal.Add(McVersionCardType.OriginalLike, VersionUseful)
+            If VersionRubbish.Any Then VersionListOriginal.Add(McVersionCardType.Rubbish, VersionRubbish)
 
             '按照自定义版本分类重新添加
             For Each VersionPair In VersionListOriginal
@@ -1429,7 +1429,7 @@ OnLoaded:
 NextVersion:
         Next
         '加入版本列表，并从剩余中删除
-        If KeepList.Count > 0 Then
+        If KeepList.Any Then
             Target.Add(CardType, KeepList)
             For Each Version As McVersion In KeepList
                 VersionList.Remove(Version)
@@ -1450,7 +1450,7 @@ NextVersion:
             Next
 NextVersion:
         Next
-        If KeepList.Count > 0 Then
+        If KeepList.Any Then
             For Each Version As McVersion In KeepList
                 VersionList.Remove(Version)
             Next
@@ -1515,7 +1515,7 @@ NextVersion:
     ''' </summary>
     Public Function McSkinGetAddress(Uuid As String, Type As String) As String
         If Uuid = "" Then Throw New Exception("Uuid 为空。")
-        If Uuid.StartsWithF("000000") Then Throw New Exception("离线 Uuid 无正版皮肤文件。")
+        If Uuid.StartsWithF("00000") Then Throw New Exception("离线 Uuid 无正版皮肤文件。")
         '尝试读取缓存
         Dim CacheSkinAddress As String = ReadIni(PathTemp & "Cache\Skin\Index" & Type & ".ini", Uuid)
         If Not CacheSkinAddress = "" Then Return CacheSkinAddress
@@ -2048,8 +2048,7 @@ NextVersion:
                 If Version.InheritVersion = "" Then Exit Do
                 Version = New McVersion(PathMcFolder & "versions\" & Version.InheritVersion)
             Loop
-        Catch ex As Exception
-            Log(ex, "获取资源文件索引下载地址失败")
+        Catch
         End Try
         '无法获取到下载地址
         If ReturnLegacyOnError Then
@@ -2239,10 +2238,11 @@ NextVersion:
             '弹窗结果
             If MsgResult = 2 Then
                 '下载
-                RunInUi(Sub()
-                            PageDownloadInstall.McVersionWaitingForSelect = VersionName
-                            FrmMain.PageChange(FormMain.PageType.Download, FormMain.PageSubType.DownloadInstall)
-                        End Sub)
+                RunInUi(
+                Sub()
+                    PageDownloadInstall.McVersionWaitingForSelect = VersionName
+                    FrmMain.PageChange(FormMain.PageType.Download, FormMain.PageSubType.DownloadInstall)
+                End Sub)
             End If
 
         Catch ex As Exception

Plain Craft Launcher 2/Modules/Minecraft/ModMod.vb

@@ -337,7 +337,7 @@ Public Module ModMod
                     For Each Token In AuthorJson
                         Author.Add(Token.ToString)
                     Next
-                    If Author.Count > 0 Then Authors = Join(Author, ", ")
+                    If Author.Any Then Authors = Join(Author, ", ")
                 End If
                 Dim Reqs As JArray = InfoObject("requiredMods")
                 If Reqs IsNot Nothing Then
@@ -393,7 +393,7 @@ GotFabric:
                     For Each Token In AuthorJson
                         Author.Add(Token.ToString)
                     Next
-                    If Author.Count > 0 Then Authors = Join(Author, ", ")
+                    If Author.Any Then Authors = Join(Author, ", ")
                 End If
                 'If (Not FabricObject.ContainsKey("serverSideOnly")) OrElse FabricObject("serverSideOnly")("value").ToObject(Of Boolean) = False Then
                 '    '添加 Minecraft 依赖
@@ -438,7 +438,7 @@ GotFabric:
                         Line = Line.Substring(0, Line.IndexOfF("#"))
                     End If
                     Line = Line.Trim(New Char() {" "c, "	"c, "　"c}) '去除头尾的空格
-                    If Line.Count > 0 Then Lines.Add(Line) '去除空行
+                    If Line.Any Then Lines.Add(Line) '去除空行
                 Next
                 '读取文件数据
                 Dim TomlData As New List(Of KeyValuePair(Of String, Dictionary(Of String, Object))) From {New KeyValuePair(Of String, Dictionary(Of String, Object))("", New Dictionary(Of String, Object))}
@@ -925,7 +925,7 @@ Finished:
     End Sub
 
     '联网加载 Mod 详情
-    Private Const LocalModCacheVersion As Integer = 2
+    Private Const LocalModCacheVersion As Integer = 3
     Public McModDetailLoader As New LoaderTask(Of KeyValuePair(Of List(Of McMod), JObject), Integer)("Mod List Detail Loader", AddressOf McModDetailLoad)
     Private Sub McModDetailLoad(Loader As LoaderTask(Of KeyValuePair(Of List(Of McMod), JObject), Integer))
         Dim Mods As List(Of McMod) = Loader.Input.Key
@@ -965,6 +965,7 @@ Finished:
                 Dim ModrinthMapping As New Dictionary(Of String, List(Of McMod))
                 For Each Entry In Mods
                     If Not ModrinthVersion.ContainsKey(Entry.ModrinthHash) Then Continue For
+                    If ModrinthVersion(Entry.ModrinthHash)("files")(0)("hashes")("sha1") <> Entry.ModrinthHash Then Continue For
                     Dim ProjectId = ModrinthVersion(Entry.ModrinthHash)("project_id").ToString
                     If CompProjectCache.ContainsKey(ProjectId) AndAlso Entry.Comp Is Nothing Then Entry.Comp = CompProjectCache(ProjectId) '读取已加载的缓存，加快结果出现速度
                     If Not ModrinthMapping.ContainsKey(ProjectId) Then ModrinthMapping(ProjectId) = New List(Of McMod)

Plain Craft Launcher 2/Modules/Minecraft/ModModpack.vb

@@ -244,16 +244,17 @@ Retry:
             ModList.Add(ModEntry("fileID"))
             If ModEntry("required") IsNot Nothing AndAlso Not ModEntry("required").ToObject(Of Boolean) Then ModOptionalList.Add(ModEntry("fileID"))
         Next
-        If ModList.Count > 0 Then
+        If ModList.Any Then
+            Dim ModDownloadLoaders As New List(Of LoaderBase)
             '获取 Mod 下载信息
-            InstallLoaders.Add(New LoaderTask(Of Integer, JArray)("获取 Mod 下载信息",
+            ModDownloadLoaders.Add(New LoaderTask(Of Integer, JArray)("获取 Mod 下载信息",
             Sub(Task As LoaderTask(Of Integer, JArray))
                 Task.Output = GetJson(NetRequestRetry("https://api.curseforge.com/v1/mods/files", "POST", "{""fileIds"": [" & Join(ModList, ",") & "]}", "application/json"))("data")
                 '如果文件已被删除，则 API 会跳过那一项
                 If ModList.Count > Task.Output.Count Then Throw New Exception("整合包所需要的部分 Mod 版本已被 Mod 作者删除，因此无法完成整合包安装，请联系整合包作者更新整合包中的 Mod 版本")
             End Sub) With {.ProgressWeight = ModList.Count / 10}) '每 10 Mod 需要 1s
             '构造 NetFile
-            InstallLoaders.Add(New LoaderTask(Of JArray, List(Of NetFile))("构造 Mod 下载信息",
+            ModDownloadLoaders.Add(New LoaderTask(Of JArray, List(Of NetFile))("构造 Mod 下载信息",
             Sub(Task As LoaderTask(Of JArray, List(Of NetFile)))
                 Dim FileList As New Dictionary(Of Integer, NetFile)
                 For Each ModJson In Task.Input
@@ -288,7 +289,10 @@ Retry:
                 Task.Output = FileList.Values.ToList
             End Sub) With {.ProgressWeight = ModList.Count / 200, .Show = False}) '每 200 Mod 需要 1s
             '下载 Mod 文件
-            InstallLoaders.Add(New LoaderDownload("下载 Mod", New List(Of NetFile)) With {.ProgressWeight = ModList.Count * 1.5}) '每个 Mod 需要 1.5s
+            ModDownloadLoaders.Add(New LoaderDownload("下载 Mod", New List(Of NetFile)) With {.ProgressWeight = ModList.Count * 1.5}) '每个 Mod 需要 1.5s
+            '构造加载器
+            InstallLoaders.Add(New LoaderCombo(Of Integer)("下载 Mod（主加载器）", ModDownloadLoaders) With
+                {.Show = False, .ProgressWeight = ModDownloadLoaders.Sum(Function(l) l.ProgressWeight)})
         End If
 
         '构造加载器
@@ -299,43 +303,35 @@ Retry:
             .ForgeVersion = ForgeVersion,
             .FabricVersion = FabricVersion
         }
-        Dim InstallExpectTime As Double = 0
-        For Each InstallLoader In InstallLoaders
-            InstallExpectTime += InstallLoader.ProgressWeight
-        Next
         Dim MergeLoaders As List(Of LoaderBase) = McInstallLoader(Request, True)
         If MergeLoaders Is Nothing Then Exit Sub
-        Dim MergeExpectTime As Double = 0
-        For Each MergeLoader In MergeLoaders
-            MergeExpectTime += MergeLoader.ProgressWeight
-        Next
-        '构造 Libraries 加载器（为了使得 Mods 下载结束后再构造，这样才会下载 JumpLoader 文件）
+        '构造 Libraries 加载器
         Dim LoadersLib As New List(Of LoaderBase)
         LoadersLib.Add(New LoaderTask(Of String, List(Of NetFile))("分析游戏支持库文件（副加载器）", Sub(Task As LoaderTask(Of String, List(Of NetFile))) Task.Output = McLibFix(New McVersion(VersionName))) With {.ProgressWeight = 1, .Show = False})
         LoadersLib.Add(New LoaderDownload("下载游戏支持库文件（副加载器）", New List(Of NetFile)) With {.ProgressWeight = 7, .Show = False})
         '构造总加载器
         Dim Loaders As New List(Of LoaderBase)
-        Loaders.Add(New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .Block = False, .ProgressWeight = InstallExpectTime})
-        Loaders.Add(New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .ProgressWeight = MergeExpectTime})
+        Loaders.Add(New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .Block = False, .ProgressWeight = InstallLoaders.Sum(Function(l) l.ProgressWeight)})
+        Loaders.Add(New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .ProgressWeight = MergeLoaders.Sum(Function(l) l.ProgressWeight)})
         Loaders.Add(New LoaderCombo(Of String)("下载游戏支持库文件", LoadersLib) With {.ProgressWeight = 8})
         Loaders.Add(New LoaderTask(Of String, String)("最终整理文件",
-                                                      Sub(Task As LoaderTask(Of String, String))
-                                                          '设置图标
-                                                          Dim VersionFolder As String = PathMcFolder & "versions\" & VersionName & "\"
-                                                          If Logo IsNot Nothing AndAlso File.Exists(Logo) Then
-                                                              File.Copy(Logo, VersionFolder & "PCL\Logo.png", True)
-                                                              WriteIni(VersionFolder & "PCL\Setup.ini", "Logo", "PCL\Logo.png")
-                                                              WriteIni(VersionFolder & "PCL\Setup.ini", "LogoCustom", "True")
-                                                              Log("[ModPack] 已设置整合包 Logo：" & Logo)
-                                                          End If
-                                                          '删除原始整合包文件
-                                                          For Each Target As String In {VersionFolder & "原始整合包.zip", VersionFolder & "原始整合包.mrpack"}
-                                                              If Not Setup.Get("ToolDownloadKeepModpack") AndAlso File.Exists(Target) Then
-                                                                  Log("[ModPack] 根据设置要求删除原始整合包文件：" & Target)
-                                                                  File.Delete(Target)
-                                                              End If
-                                                          Next
-                                                      End Sub) With {.ProgressWeight = 0.1, .Show = False})
+        Sub(Task As LoaderTask(Of String, String))
+            '设置图标
+            Dim VersionFolder As String = PathMcFolder & "versions\" & VersionName & "\"
+            If Logo IsNot Nothing AndAlso File.Exists(Logo) Then
+                File.Copy(Logo, VersionFolder & "PCL\Logo.png", True)
+                WriteIni(VersionFolder & "PCL\Setup.ini", "Logo", "PCL\Logo.png")
+                WriteIni(VersionFolder & "PCL\Setup.ini", "LogoCustom", "True")
+                Log("[ModPack] 已设置整合包 Logo：" & Logo)
+            End If
+            '删除原始整合包文件
+            For Each Target As String In {VersionFolder & "原始整合包.zip", VersionFolder & "原始整合包.mrpack"}
+                If Not Setup.Get("ToolDownloadKeepModpack") AndAlso File.Exists(Target) Then
+                    Log("[ModPack] 根据设置要求删除原始整合包文件：" & Target)
+                    File.Delete(Target)
+                End If
+            Next
+        End Sub) With {.ProgressWeight = 0.1, .Show = False})
 
         '重复任务检查
         Dim LoaderName As String = "CurseForge 整合包安装：" & VersionName & " "
@@ -438,10 +434,10 @@ Retry:
             End If
             '添加下载文件
             FileList.Add(New NetFile(File("downloads").Select(Function(t) t.ToString.Replace("://edge.forgecdn", "://media.forgecdn")).ToArray, '修复 #2390
-                                     PathMcFolder & "versions\" & VersionName & "\" & File("path").ToString,
-                                     New FileChecker(ActualSize:=File("fileSize").ToObject(Of Long), Hash:=File("hashes")("sha1").ToString), True))
+                PathMcFolder & "versions\" & VersionName & "\" & File("path").ToString,
+                New FileChecker(ActualSize:=File("fileSize").ToObject(Of Long), Hash:=File("hashes")("sha1").ToString), True))
         Next
-        If FileList.Count > 0 Then
+        If FileList.Any Then
             InstallLoaders.Add(New LoaderDownload("下载额外文件", FileList) With {.ProgressWeight = FileList.Count * 1.5}) '每个 Mod 需要 1.5s
         End If
 
@@ -453,43 +449,35 @@ Retry:
             .ForgeVersion = ForgeVersion,
             .FabricVersion = FabricVersion
         }
-        Dim InstallExpectTime As Double = 0
-        For Each InstallLoader In InstallLoaders
-            InstallExpectTime += InstallLoader.ProgressWeight
-        Next
         Dim MergeLoaders As List(Of LoaderBase) = McInstallLoader(Request, True)
         If MergeLoaders Is Nothing Then Exit Sub
-        Dim MergeExpectTime As Double = 0
-        For Each MergeLoader In MergeLoaders
-            MergeExpectTime += MergeLoader.ProgressWeight
-        Next
-        '构造 Libraries 加载器（为了使得 Mods 下载结束后再构造，这样才会下载 JumpLoader 文件）
+        '构造 Libraries 加载器
         Dim LoadersLib As New List(Of LoaderBase)
         LoadersLib.Add(New LoaderTask(Of String, List(Of NetFile))("分析游戏支持库文件（副加载器）", Sub(Task As LoaderTask(Of String, List(Of NetFile))) Task.Output = McLibFix(New McVersion(VersionName))) With {.ProgressWeight = 1, .Show = False})
         LoadersLib.Add(New LoaderDownload("下载游戏支持库文件（副加载器）", New List(Of NetFile)) With {.ProgressWeight = 7, .Show = False})
         '构造总加载器
         Dim Loaders As New List(Of LoaderBase)
-        Loaders.Add(New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .Block = False, .ProgressWeight = InstallExpectTime})
-        Loaders.Add(New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .ProgressWeight = MergeExpectTime})
+        Loaders.Add(New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .Block = False, .ProgressWeight = InstallLoaders.Sum(Function(l) l.ProgressWeight)})
+        Loaders.Add(New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .ProgressWeight = MergeLoaders.Sum(Function(l) l.ProgressWeight)})
         Loaders.Add(New LoaderCombo(Of String)("下载游戏支持库文件", LoadersLib) With {.ProgressWeight = 8})
         Loaders.Add(New LoaderTask(Of String, String)("最终整理文件",
-                                                      Sub(Task As LoaderTask(Of String, String))
-                                                          '设置图标
-                                                          Dim VersionFolder As String = PathMcFolder & "versions\" & VersionName & "\"
-                                                          If Logo IsNot Nothing AndAlso File.Exists(Logo) Then
-                                                              File.Copy(Logo, VersionFolder & "PCL\Logo.png", True)
-                                                              WriteIni(VersionFolder & "PCL\Setup.ini", "Logo", "PCL\Logo.png")
-                                                              WriteIni(VersionFolder & "PCL\Setup.ini", "LogoCustom", "True")
-                                                              Log("[ModPack] 已设置整合包 Logo：" & Logo)
-                                                          End If
-                                                          '删除原始整合包文件
-                                                          For Each Target As String In {VersionFolder & "原始整合包.zip", VersionFolder & "原始整合包.mrpack"}
-                                                              If Not Setup.Get("ToolDownloadKeepModpack") AndAlso File.Exists(Target) Then
-                                                                  Log("[ModPack] 根据设置要求删除原始整合包文件：" & Target)
-                                                                  File.Delete(Target)
-                                                              End If
-                                                          Next
-                                                      End Sub) With {.ProgressWeight = 0.1, .Show = False})
+        Sub(Task As LoaderTask(Of String, String))
+            '设置图标
+            Dim VersionFolder As String = PathMcFolder & "versions\" & VersionName & "\"
+            If Logo IsNot Nothing AndAlso File.Exists(Logo) Then
+                File.Copy(Logo, VersionFolder & "PCL\Logo.png", True)
+                WriteIni(VersionFolder & "PCL\Setup.ini", "Logo", "PCL\Logo.png")
+                WriteIni(VersionFolder & "PCL\Setup.ini", "LogoCustom", "True")
+                Log("[ModPack] 已设置整合包 Logo：" & Logo)
+            End If
+            '删除原始整合包文件
+            For Each Target As String In {VersionFolder & "原始整合包.zip", VersionFolder & "原始整合包.mrpack"}
+                If Not Setup.Get("ToolDownloadKeepModpack") AndAlso File.Exists(Target) Then
+                    Log("[ModPack] 根据设置要求删除原始整合包文件：" & Target)
+                    File.Delete(Target)
+                End If
+            Next
+        End Sub) With {.ProgressWeight = 0.1, .Show = False})
 
         '重复任务检查
         Dim LoaderName As String = "Modrinth 整合包安装：" & VersionName & " "
@@ -554,16 +542,8 @@ Retry:
             .TargetVersionFolder = $"{PathMcFolder}versions\{VersionName}\",
             .MinecraftName = Json("gameVersion").ToString
         }
-        Dim InstallExpectTime As Double = 0
-        For Each InstallLoader In InstallLoaders
-            InstallExpectTime += InstallLoader.ProgressWeight
-        Next
         Dim MergeLoaders As List(Of LoaderBase) = McInstallLoader(Request, True)
         If MergeLoaders Is Nothing Then Exit Sub
-        Dim MergeExpectTime As Double = 0
-        For Each MergeLoader In MergeLoaders
-            MergeExpectTime += MergeLoader.ProgressWeight
-        Next
         '构造 Libraries 加载器（为了使得 Mods 下载结束后再构造，这样才会下载 JumpLoader 文件）
         Dim LoadersLib As New List(Of LoaderBase)
         LoadersLib.Add(New LoaderTask(Of String, String)("重命名版本 Json（副加载器）",
@@ -584,8 +564,8 @@ Retry:
         LoadersLib.Add(New LoaderDownload("下载游戏支持库文件（副加载器）", New List(Of NetFile)) With {.ProgressWeight = 7, .Show = False})
         '构造总加载器
         Dim Loaders As New List(Of LoaderBase) From {
-            New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .Block = False, .ProgressWeight = MergeExpectTime},
-            New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .ProgressWeight = InstallExpectTime},
+            New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .Block = False, .ProgressWeight = MergeLoaders.Sum(Function(l) l.ProgressWeight)},
+            New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .ProgressWeight = InstallLoaders.Sum(Function(l) l.ProgressWeight)},
             New LoaderCombo(Of String)("下载游戏支持库文件", LoadersLib) With {.ProgressWeight = 8}
         }
 
@@ -704,24 +684,16 @@ Retry:
             End Select
         Next
         '构造加载器
-        Dim InstallExpectTime As Double = 0
-        For Each InstallLoader In InstallLoaders
-            InstallExpectTime += InstallLoader.ProgressWeight
-        Next
         Dim MergeLoaders As List(Of LoaderBase) = McInstallLoader(Request, True)
         If MergeLoaders Is Nothing Then Exit Sub
-        Dim MergeExpectTime As Double = 0
-        For Each MergeLoader In MergeLoaders
-            MergeExpectTime += MergeLoader.ProgressWeight
-        Next
-        '构造 Libraries 加载器（为了使得 Mods 下载结束后再构造，这样才会下载 JumpLoader 文件）
+        '构造 Libraries 加载器
         Dim LoadersLib As New List(Of LoaderBase)
         LoadersLib.Add(New LoaderTask(Of String, List(Of NetFile))("分析游戏支持库文件（副加载器）", Sub(Task As LoaderTask(Of String, List(Of NetFile))) Task.Output = McLibFix(New McVersion(VersionName))) With {.ProgressWeight = 1, .Show = False})
         LoadersLib.Add(New LoaderDownload("下载游戏支持库文件（副加载器）", New List(Of NetFile)) With {.ProgressWeight = 7, .Show = False})
         '构造总加载器
         Dim Loaders As New List(Of LoaderBase)
-        Loaders.Add(New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .Block = False, .ProgressWeight = MergeExpectTime})
-        Loaders.Add(New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .ProgressWeight = InstallExpectTime})
+        Loaders.Add(New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .Block = False, .ProgressWeight = MergeLoaders.Sum(Function(l) l.ProgressWeight)})
+        Loaders.Add(New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .ProgressWeight = InstallLoaders.Sum(Function(l) l.ProgressWeight)})
         Loaders.Add(New LoaderCombo(Of String)("下载游戏支持库文件", LoadersLib) With {.ProgressWeight = 8})
 
         '重复任务检查
@@ -802,24 +774,16 @@ Retry:
             .ForgeVersion = If(Addons.ContainsKey("forge"), Addons("forge"), Nothing),
             .FabricVersion = If(Addons.ContainsKey("fabric"), Addons("fabric"), Nothing)
         }
-        Dim InstallExpectTime As Double = 0
-        For Each InstallLoader In InstallLoaders
-            InstallExpectTime += InstallLoader.ProgressWeight
-        Next
         Dim MergeLoaders As List(Of LoaderBase) = McInstallLoader(Request, True)
         If MergeLoaders Is Nothing Then Exit Sub
-        Dim MergeExpectTime As Double = 0
-        For Each MergeLoader In MergeLoaders
-            MergeExpectTime += MergeLoader.ProgressWeight
-        Next
-        '构造 Libraries 加载器（为了使得 Mods 下载结束后再构造，这样才会下载 JumpLoader 文件）
+        '构造 Libraries 加载器
         Dim LoadersLib As New List(Of LoaderBase)
         LoadersLib.Add(New LoaderTask(Of String, List(Of NetFile))("分析游戏支持库文件（副加载器）", Sub(Task As LoaderTask(Of String, List(Of NetFile))) Task.Output = McLibFix(New McVersion(VersionName))) With {.ProgressWeight = 1, .Show = False})
         LoadersLib.Add(New LoaderDownload("下载游戏支持库文件（副加载器）", New List(Of NetFile)) With {.ProgressWeight = 7, .Show = False})
         '构造总加载器
         Dim Loaders As New List(Of LoaderBase)
-        Loaders.Add(New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .Block = False, .ProgressWeight = MergeExpectTime})
-        Loaders.Add(New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .ProgressWeight = InstallExpectTime})
+        Loaders.Add(New LoaderCombo(Of String)("游戏安装", MergeLoaders) With {.Show = False, .Block = False, .ProgressWeight = MergeLoaders.Sum(Function(l) l.ProgressWeight)})
+        Loaders.Add(New LoaderCombo(Of String)("整合包安装", InstallLoaders) With {.Show = False, .ProgressWeight = InstallLoaders.Sum(Function(l) l.ProgressWeight)})
         Loaders.Add(New LoaderCombo(Of String)("下载游戏支持库文件", LoadersLib) With {.ProgressWeight = 8})
 
         '重复任务检查

Plain Craft Launcher 2/Modules/Minecraft/ModWatcher.vb

@@ -276,17 +276,18 @@
                     IsWindowFinished = True
                     '最大化
                     If Setup.Get("LaunchArgumentWindowType") = 4 Then
-                        RunInNewThread(Sub()
-                                           Try
-                                               '如果最大化导致屏幕渲染大小不对，那是 MC 的 Bug，不是我的 Bug
-                                               '……虽然我很想这样说，但总有人反馈，算了
-                                               Thread.Sleep(2000)
-                                               ShowWindow(WindowHandle, 3)
-                                               WatcherLog($"已最大化 Minecraft 窗口：{MinecraftWindowHandle.ToInt64}")
-                                           Catch ex As Exception
-                                               Log(ex, "最大化 Minecraft 窗口时出现错误")
-                                           End Try
-                                       End Sub, "MinecraftWindowMaximize")
+                        RunInNewThread(
+                        Sub()
+                            Try
+                                '如果最大化导致屏幕渲染大小不对，那是 MC 的 Bug，不是我的 Bug
+                                '……虽然我很想这样说，但总有人反馈，算了
+                                Thread.Sleep(2000)
+                                ShowWindow(WindowHandle, 3)
+                                WatcherLog($"已最大化 Minecraft 窗口：{MinecraftWindowHandle.ToInt64}")
+                            Catch ex As Exception
+                                Log(ex, "最大化 Minecraft 窗口时出现错误")
+                            End Try
+                        End Sub, "MinecraftWindowMaximize")
                     End If
                 ElseIf Not IsWindowAppeared Then
                     '已找到 FML 窗口

Plain Craft Launcher 2/Modules/ModMusic.vb

@@ -266,7 +266,7 @@ Public Module ModMusic
                 Thread.Sleep(100)
             End While
             '当前音乐已播放结束，继续下一曲
-            If CurrentWave.PlaybackState = NAudio.Wave.PlaybackState.Stopped AndAlso MusicAllList.Count > 0 Then MusicStartPlay(DequeueNextMusicAddress)
+            If CurrentWave.PlaybackState = NAudio.Wave.PlaybackState.Stopped AndAlso MusicAllList.Any Then MusicStartPlay(DequeueNextMusicAddress)
         Catch ex As Exception
             Log("[Music] 播放音乐失败的文件完整路径：" & MusicCurrent)
             If TypeOf ex Is NAudio.MmException AndAlso (ex.Message.Contains("NoDriver") OrElse ex.Message.Contains("BadDeviceId")) Then

Plain Craft Launcher 2/My Project/AssemblyInfo.vb

@@ -8,11 +8,11 @@ Imports System.Runtime.InteropServices
 
 '查看程序集特性的值
 
-<Assembly: AssemblyTitle("Plain Craft Launcher 2 启动器")>
+<Assembly: AssemblyTitle("Plain Craft Launcher 启动器")>
 <Assembly: AssemblyDescription("Minecraft 启动器 (制作：龙腾猫跃)")>
 <Assembly: AssemblyCompany("")>
-<Assembly: AssemblyProduct("Plain Craft Launcher 2")>
-<Assembly: AssemblyCopyright("Copyright © 龙腾猫跃 2016-2024. All Rights Reserved.")>
+<Assembly: AssemblyProduct("Plain Craft Launcher")>
+<Assembly: AssemblyCopyright("Copyright © 龙腾猫跃 2016. All Rights Reserved.")>
 <Assembly: AssemblyConfiguration("PCL2 Config Mark")>
 <Assembly: ComVisible(False)>
 
@@ -51,6 +51,6 @@ Imports System.Runtime.InteropServices
 ' 可以指定所有值，也可以使用以下所示的 "*" 预置版本号和修订号
 ' 方法是按如下所示使用“*”
 
-<Assembly: AssemblyVersion("2.7.1.0")>
-<Assembly: AssemblyFileVersion("2.7.1.0")>
+<Assembly: AssemblyVersion("2.7.2.0")>
+<Assembly: AssemblyFileVersion("2.7.2.0")>
 <Assembly: NeutralResourcesLanguage("")>

Plain Craft Launcher 2/Pages/PageDownload/ModDownloadLib.vb

@@ -487,7 +487,7 @@ Public Module ModDownloadLib
                     outputWaitHandle.WaitOne(10000)
                     errorWaitHandle.WaitOne(10000)
                     process.Dispose()
-                    If TotalLength < 1000 Then Throw New Exception("安装器运行出错，末行为 " & LastResult)
+                    If TotalLength < 1000 OrElse LastResult.Contains("at ") Then Throw New Exception("安装器运行出错，末行为 " & LastResult)
                 End Using
             End Using
         End SyncLock
@@ -538,7 +538,7 @@ Public Module ModDownloadLib
                 'OptiFine 中文镜像源
                 Sources.Add("https://optifine.cn/download/" & DownloadInfo.NameFile)
                 '构造文件请求
-                Task.Output = New List(Of NetFile) From {New NetFile(Sources.ToArray, Target, New FileChecker(MinSize:=64 * 1024))}
+                Task.Output = New List(Of NetFile) From {New NetFile(Sources.ToArray, Target, New FileChecker(MinSize:=300 * 1024))}
             End Sub) With {.ProgressWeight = 8})
         Loaders.Add(New LoaderDownload("下载 OptiFine 主文件", New List(Of NetFile)) With {.ProgressWeight = 8})
         Loaders.Add(New LoaderTask(Of List(Of NetFile), Boolean)("等待原版下载",
@@ -548,8 +548,8 @@ Public Module ModDownloadLib
                 Dim TargetLoaders As List(Of LoaderBase) =
                    ClientDownloadLoader.GetLoaderList.Where(Function(l) l.Name = McDownloadClientLibName OrElse l.Name = McDownloadClientJsonName).
                    Where(Function(l) l.State <> LoadState.Finished).ToList
-                If TargetLoaders.Count > 0 Then Log("[Download] OptiFine 安装正在等待原版文件下载完成")
-                Do While TargetLoaders.Count > 0 AndAlso Not Task.IsAborted
+                If TargetLoaders.Any Then Log("[Download] OptiFine 安装正在等待原版文件下载完成")
+                Do While TargetLoaders.Any AndAlso Not Task.IsAborted
                     TargetLoaders = TargetLoaders.Where(Function(l) l.State <> LoadState.Finished).ToList
                     Thread.Sleep(50)
                 Loop
@@ -560,12 +560,10 @@ Public Module ModDownloadLib
                     Dim ClientName As String = GetFolderNameFromPath(ClientFolder)
                     Directory.CreateDirectory(McFolder & "versions\" & DownloadInfo.Inherit)
                     If Not File.Exists(McFolder & "versions\" & DownloadInfo.Inherit & "\" & DownloadInfo.Inherit & ".json") Then
-                        CopyFile(ClientFolder & ClientName & ".json",
-                                                                                          McFolder & "versions\" & DownloadInfo.Inherit & "\" & DownloadInfo.Inherit & ".json")
+                        CopyFile($"{ClientFolder}{ClientName}.json", $"{McFolder}versions\{DownloadInfo.Inherit}\{DownloadInfo.Inherit}.json")
                     End If
                     If Not File.Exists(McFolder & "versions\" & DownloadInfo.Inherit & "\" & DownloadInfo.Inherit & ".jar") Then
-                        CopyFile(ClientFolder & ClientName & ".jar",
-                                                                                              McFolder & "versions\" & DownloadInfo.Inherit & "\" & DownloadInfo.Inherit & ".jar")
+                        CopyFile($"{ClientFolder}{ClientName}.jar", $"{McFolder}versions\{DownloadInfo.Inherit}\{DownloadInfo.Inherit}.jar")
                     End If
                 End SyncLock
             End Sub) With {.ProgressWeight = 0.1, .Show = False})
@@ -1283,20 +1281,20 @@ Retry:
         '获取下载信息
         If DownloadInfo Is Nothing Then
             Loaders.Add(New LoaderTask(Of String, String)("获取 Mod 加载器详细信息",
-                                                            Sub(Task As LoaderTask(Of String, String))
-                                                                '获取 Forge 版本列表
-                                                                Dim ForgeLoader = New LoaderTask(Of String, List(Of DlForgeVersionEntry))("McDownloadForgeLoader " & Inherit, AddressOf DlForgeVersionMain)
-                                                                ForgeLoader.WaitForExit(Inherit)
-                                                                Task.Progress = 0.8
-                                                                '查找对应版本
-                                                                For Each ForgeVersion In ForgeLoader.Output
-                                                                    If ForgeVersion.Version = Version Then
-                                                                        DownloadInfo = ForgeVersion
-                                                                        Exit Sub
-                                                                    End If
-                                                                Next
-                                                                Throw New Exception("未能找到 Forge " & Inherit & "-" & Version & " 的详细信息！")
-                                                            End Sub) With {.ProgressWeight = 3})
+            Sub(Task As LoaderTask(Of String, String))
+                '获取 Forge 版本列表
+                Dim ForgeLoader = New LoaderTask(Of String, List(Of DlForgeVersionEntry))("McDownloadForgeLoader " & Inherit, AddressOf DlForgeVersionMain)
+                ForgeLoader.WaitForExit(Inherit)
+                Task.Progress = 0.8
+                '查找对应版本
+                For Each ForgeVersion In ForgeLoader.Output
+                    If ForgeVersion.Version = Version Then
+                        DownloadInfo = ForgeVersion
+                        Exit Sub
+                    End If
+                Next
+                Throw New Exception("未能找到 Forge " & Inherit & "-" & Version & " 的详细信息！")
+            End Sub) With {.ProgressWeight = 3})
         End If
         '下载 Forge 主文件
         Loaders.Add(New LoaderTask(Of String, List(Of NetFile))("准备 Mod 加载器下载",
@@ -1383,8 +1381,8 @@ Retry:
                 Dim TargetLoaders As List(Of LoaderBase) =
                                                                                 ClientDownloadLoader.GetLoaderList.Where(Function(l) l.Name = McDownloadClientLibName OrElse l.Name = McDownloadClientJsonName).
                                                                                 Where(Function(l) l.State <> LoadState.Finished).ToList
-                If TargetLoaders.Count > 0 Then Log("[Download] Forge 安装正在等待原版文件下载完成")
-                Do While TargetLoaders.Count > 0 AndAlso Not Task.IsAborted
+                If TargetLoaders.Any Then Log("[Download] Forge 安装正在等待原版文件下载完成")
+                Do While TargetLoaders.Any AndAlso Not Task.IsAborted
                     TargetLoaders = TargetLoaders.Where(Function(l) l.State <> LoadState.Finished).ToList
                     Thread.Sleep(50)
                 Loop
@@ -1441,7 +1439,7 @@ Retry:
                     End Try
                     '拷贝新增的版本 Json
                     Dim DeltaList = New DirectoryInfo(McFolder & "versions\").EnumerateDirectories.
-                                                                        SkipWhile(Function(i) OldList.Contains(i.FullName)).ToList()
+                        SkipWhile(Function(i) OldList.Contains(i.FullName)).ToList()
                     If DeltaList.Count > 1 Then
                         '它可能和 OptiFine 安装同时运行，导致增加的文件不止一个（这导致了 #151）
                         '也可能是因为 Forge 安装器的 Bug，生成了一个名字错误的文件夹，所以需要检查文件夹是否为空
@@ -1537,7 +1535,7 @@ Retry:
     Public Sub ForgeDownloadListItemPreload(Stack As StackPanel, Entrys As List(Of DlForgeVersionEntry), OnClick As MyListItem.ClickEventHandler, IsSaveOnly As Boolean)
         '获取推荐版本与最新版本
         Dim FreshVersion As DlForgeVersionEntry = Nothing
-        If Entrys.Count > 0 Then
+        If Entrys.Any Then
             FreshVersion = Entrys(0)
         Else
             Log("[System] 未找到可用的 Forge 版本", LogLevel.Debug)
@@ -2014,7 +2012,7 @@ Retry:
 
         Dim LoaderList As New List(Of LoaderBase)
         '添加忽略标识
-        LoaderList.Add(New LoaderTask(Of Integer, Integer)("添加忽略标识", Sub() WriteFile(OutputFolder & ".pclignore", "用于临时地 PCL 的版本列表中屏蔽此版本。")) With {.Show = False, .Block = False})
+        LoaderList.Add(New LoaderTask(Of Integer, Integer)("添加忽略标识", Sub() WriteFile(OutputFolder & ".pclignore", "用于临时地在 PCL 的版本列表中屏蔽此版本。")) With {.Show = False, .Block = False})
         'Fabric API
         If Request.FabricApi IsNot Nothing Then
             LoaderList.Add(New LoaderDownload("下载 Fabric API", New List(Of NetFile) From {Request.FabricApi.ToNetFile(New McVersion(OutputFolder).GetPathIndie(True) & "mods\")}) With {.ProgressWeight = 3, .Block = False})
@@ -2164,7 +2162,7 @@ Retry:
         For i = 0 To RawArguments.Count - 1
             If RawArguments(i).StartsWithF("-") Then
                 SplitArguments.Add(RawArguments(i))
-            ElseIf SplitArguments.Count > 0 AndAlso SplitArguments.Last.StartsWithF("-") AndAlso Not SplitArguments.Last.Contains(" ") Then
+            ElseIf SplitArguments.Any AndAlso SplitArguments.Last.StartsWithF("-") AndAlso Not SplitArguments.Last.Contains(" ") Then
                 SplitArguments(SplitArguments.Count - 1) = SplitArguments.Last & " " & RawArguments(i)
             Else
                 SplitArguments.Add(RawArguments(i))
@@ -2172,6 +2170,7 @@ Retry:
         Next
         Dim RealArguments As String = Join(SplitArguments.Distinct.ToList, " ")
         '合并
+        '相关讨论见 #2801
         OutputJson = MinecraftJson
         If HasOptiFine Then
             '合并 OptiFine

Plain Craft Launcher 2/Pages/PageDownload/PageDownloadCompDetail.xaml.vb

@@ -210,10 +210,10 @@
                 If Project.Type = CompType.Mod Then
                     '获取 Mod 所需的加载器种类
                     Dim AllowForge As Boolean? = Nothing, AllowFabric As Boolean? = Nothing
-                    If File.ModLoaders.Count > 0 Then '从文件中获取
+                    If File.ModLoaders.Any Then '从文件中获取
                         AllowForge = File.ModLoaders.Contains(CompModLoaderType.Forge)
                         AllowFabric = File.ModLoaders.Contains(CompModLoaderType.Fabric)
-                    ElseIf Project.ModLoaders.Count > 0 Then '从工程中获取
+                    ElseIf Project.ModLoaders.Any Then '从工程中获取
                         AllowForge = Project.ModLoaders.Contains(CompModLoaderType.Forge)
                         AllowFabric = Project.ModLoaders.Contains(CompModLoaderType.Fabric)
                     End If

Plain Craft Launcher 2/Pages/PageDownload/PageDownloadInstall.xaml

@@ -20,7 +20,6 @@
                         <StackPanel Margin="25,37,25,15">
                             <local:MyHint Text="你尚未选择安装 Fabric API，这会导致大多数 Mod 无法使用！" Margin="0,1,0,7" x:Name="HintFabricAPI" IsWarn="True" />
                             <local:MyHint Text="你尚未选择安装 OptiFabric，这会导致 OptiFine 无法使用！" Margin="0,1,0,7" x:Name="HintOptiFabric" IsWarn="True" />
-                            <local:MyHint Text="安装结束后，请在 Mod 下载中搜索 OptiFabric Origins 并下载，否则 OptiFine 会无法使用！" Margin="0,1,0,7" x:Name="HintOptiFabricOld" IsWarn="False" />
                             <Grid Margin="0,0,0,11">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="1*" />

Plain Craft Launcher 2/Pages/PageDownload/PageDownloadInstall.xaml.vb

@@ -32,7 +32,7 @@
 #Region "页面切换"
 
     '页面切换动画
-    Private IsInSelectPage As Boolean = False
+    Public IsInSelectPage As Boolean = False
     Private IsFirstLoaded As Boolean = False
     Private Sub EnterSelectPage()
         If IsInSelectPage Then Exit Sub
@@ -273,11 +273,13 @@
         End If
     End Sub
 
+    Private IsReloading As Boolean = False '#3742 中，LoadOptiFineGetError 会初始化 LoadOptiFine，触发事件 LoadOptiFine.StateChanged，导致再次调用 SelectReload
     ''' <summary>
     ''' 重载已选择的项目的显示。
     ''' </summary>
     Private Sub SelectReload() Handles CardOptiFine.Swap, LoadOptiFine.StateChanged, CardForge.Swap, LoadForge.StateChanged, CardFabric.Swap, LoadFabric.StateChanged, CardFabricApi.Swap, LoadFabricApi.StateChanged, CardOptiFabric.Swap, LoadOptiFabric.StateChanged, CardLiteLoader.Swap, LoadLiteLoader.StateChanged
-        If SelectedMinecraftId Is Nothing Then Exit Sub
+        If SelectedMinecraftId Is Nothing OrElse IsReloading Then Exit Sub
+        IsReloading = True
         '主预览
         SelectNameUpdate()
         ItemSelect.Title = TextSelectName.Text
@@ -385,17 +387,12 @@
         '主警告
         HintFabricAPI.Visibility = If(SelectedFabric IsNot Nothing AndAlso SelectedFabricApi Is Nothing, Visibility.Visible, Visibility.Collapsed)
         If SelectedFabric IsNot Nothing AndAlso SelectedOptiFine IsNot Nothing AndAlso SelectedOptiFabric Is Nothing Then
-            If SelectedMinecraftId.StartsWith("1.14") OrElse SelectedMinecraftId.StartsWith("1.15") Then
-                HintOptiFabric.Visibility = Visibility.Collapsed
-                HintOptiFabricOld.Visibility = Visibility.Visible
-            Else
-                HintOptiFabric.Visibility = Visibility.Visible
-                HintOptiFabricOld.Visibility = Visibility.Collapsed
-            End If
+            HintOptiFabric.Visibility = Visibility.Visible
         Else
             HintOptiFabric.Visibility = Visibility.Collapsed
-            HintOptiFabricOld.Visibility = Visibility.Collapsed
         End If
+        '结束
+        IsReloading = False
     End Sub
     ''' <summary>
     ''' 清空已选择的项目。
@@ -1037,7 +1034,6 @@
     ''' 获取 OptiFabric 的加载异常信息。若正常则返回 Nothing。
     ''' </summary>
     Private Function LoadOptiFabricGetError() As String
-        If SelectedMinecraftId.StartsWith("1.14") OrElse SelectedMinecraftId.StartsWith("1.15") Then Return "不兼容老版本 Fabric，请手动下载 OptiFabric Origins"
         If LoadOptiFabric Is Nothing OrElse LoadOptiFabric.State.LoadingState = MyLoading.MyLoadingState.Run Then Return "正在获取版本列表……"
         If LoadOptiFabric.State.LoadingState = MyLoading.MyLoadingState.Error Then Return "获取版本列表失败：" & CType(LoadOptiFabric.State, Object).Error.Message
         If DlOptiFabricLoader.Output Is Nothing Then

Plain Craft Launcher 2/Pages/PageDownload/PageDownloadMod.xaml

@@ -35,7 +35,6 @@
                             <local:MyComboBoxItem Content="全部 (也可自行输入)" IsSelected="True" />
                             <local:MyComboBoxItem Content="1.20.6" />
                             <local:MyComboBoxItem Content="1.20.4" />
-                            <local:MyComboBoxItem Content="1.20.2" />
                             <local:MyComboBoxItem Content="1.20.1" />
                             <local:MyComboBoxItem Content="1.19.4" />
                             <local:MyComboBoxItem Content="1.19.2" />
@@ -44,11 +43,9 @@
                             <local:MyComboBoxItem Content="1.16.5" />
                             <local:MyComboBoxItem Content="1.15.2" />
                             <local:MyComboBoxItem Content="1.14.4" />
-                            <local:MyComboBoxItem Content="1.13.2" />
                             <local:MyComboBoxItem Content="1.12.2" />
                             <local:MyComboBoxItem Content="1.11.2" />
                             <local:MyComboBoxItem Content="1.10.2" />
-                            <local:MyComboBoxItem Content="1.9.4" />
                             <local:MyComboBoxItem Content="1.8.9" />
                             <local:MyComboBoxItem Content="1.7.10" />
                         </local:MyComboBox>
@@ -122,4 +119,4 @@
             </local:MyCard>
         </StackPanel>
     </local:MyScrollViewer>
-</local:MyPageRight>
+</local:MyPageRight>

Plain Craft Launcher 2/Pages/PageDownload/PageDownloadPack.xaml

@@ -34,7 +34,6 @@
                             <local:MyComboBoxItem Content="全部 (也可自行输入)" IsSelected="True" />
                             <local:MyComboBoxItem Content="1.20.6" />
                             <local:MyComboBoxItem Content="1.20.4" />
-                            <local:MyComboBoxItem Content="1.20.2" />
                             <local:MyComboBoxItem Content="1.20.1" />
                             <local:MyComboBoxItem Content="1.19.4" />
                             <local:MyComboBoxItem Content="1.19.2" />
@@ -43,11 +42,9 @@
                             <local:MyComboBoxItem Content="1.16.5" />
                             <local:MyComboBoxItem Content="1.15.2" />
                             <local:MyComboBoxItem Content="1.14.4" />
-                            <local:MyComboBoxItem Content="1.13.2" />
                             <local:MyComboBoxItem Content="1.12.2" />
                             <local:MyComboBoxItem Content="1.11.2" />
                             <local:MyComboBoxItem Content="1.10.2" />
-                            <local:MyComboBoxItem Content="1.9.4" />
                             <local:MyComboBoxItem Content="1.8.9" />
                             <local:MyComboBoxItem Content="1.7.10" />
                         </local:MyComboBox>
@@ -111,4 +108,4 @@
             </local:MyCard>
         </StackPanel>
     </local:MyScrollViewer>
-</local:MyPageRight>
+</local:MyPageRight>

Plain Craft Launcher 2/Pages/PageLaunch/PageLaunchLeft.xaml.vb

@@ -19,51 +19,53 @@
         RefreshButtonsUI()
 
         '加载版本
-        RunInNewThread(Sub()
-                           '确认 Minecraft 文件夹存在
-                           PathMcFolder = Setup.Get("LaunchFolderSelect").ToString.Replace("$", Path)
-                           If PathMcFolder = "" OrElse Not Directory.Exists(PathMcFolder) Then
-                               '无效的文件夹
-                               If PathMcFolder = "" Then
-                                   Log("[Launch] 没有已储存的 Minecraft 文件夹")
-                               Else
-                                   Log("[Launch] Minecraft 文件夹无效，该文件夹已不存在：" & PathMcFolder, LogLevel.Debug)
-                               End If
-                               McFolderListLoader.WaitForExit(IsForceRestart:=True)
-                               Setup.Set("LaunchFolderSelect", McFolderList(0).Path.Replace(Path, "$"))
-                           End If
-                           Log("[Launch] Minecraft 文件夹：" & PathMcFolder)
-                           If Setup.Get("SystemDebugDelay") Then Thread.Sleep(RandomInteger(500, 3000))
-                           '确认 Minecraft 版本存在
-                           Dim Selection As String = Setup.Get("LaunchVersionSelect")
-                           Dim Version As McVersion
-                           If Selection = "" Then
-                               Version = Nothing
-                           Else
-                               Version = New McVersion(Selection)
-                           End If
-                           If IsNothing(Version) OrElse Not (Version.Path.StartsWith(PathMcFolder) AndAlso Version.Check) Then
-                               '无效的版本
-                               Log("[Launch] Minecraft 版本无效" & If(IsNothing(Version), "，没有有效版本", "：" & Version.Path), If(IsNothing(Version), LogLevel.Normal, LogLevel.Debug))
-                               If Not McVersionListLoader.State = LoadState.Finished Then LoaderFolderRun(McVersionListLoader, PathMcFolder, LoaderFolderRunType.ForceRun, MaxDepth:=1, ExtraPath:="versions\", WaitForExit:=True)
-                               If Not McVersionList.Any() OrElse McVersionList.First.Value(0).Logo.Contains("RedstoneBlock") Then
-                                   Version = Nothing
-                                   Setup.Set("LaunchVersionSelect", "")
-                                   Log("[Launch] 无可用 Minecraft 版本")
-                               Else
-                                   Version = McVersionList.First.Value(0)
-                                   Setup.Set("LaunchVersionSelect", Version.Name)
-                                   Log("[Launch] 自动选择 Minecraft 版本：" & Version.Path)
-                               End If
-                           End If
-                           RunInUi(Sub()
-                                       McVersionCurrent = Version '绕这一圈是为了避免 McVersionCheck 触发第二次版本改变
-                                       IsLoadFinished = True
-                                       RefreshButtonsUI()
-                                       RefreshPage(False, False) '有可能选择的版本变化了，需要重新刷新
-                                       If McLoginAble() = "" Then McLoginLoader.Start() '自动登录
-                                   End Sub)
-                       End Sub, "Version Check", ThreadPriority.AboveNormal)
+        RunInNewThread(
+        Sub()
+            '确认 Minecraft 文件夹存在
+            PathMcFolder = Setup.Get("LaunchFolderSelect").ToString.Replace("$", Path)
+            If PathMcFolder = "" OrElse Not Directory.Exists(PathMcFolder) Then
+                '无效的文件夹
+                If PathMcFolder = "" Then
+                    Log("[Launch] 没有已储存的 Minecraft 文件夹")
+                Else
+                    Log("[Launch] Minecraft 文件夹无效，该文件夹已不存在：" & PathMcFolder, LogLevel.Debug)
+                End If
+                McFolderListLoader.WaitForExit(IsForceRestart:=True)
+                Setup.Set("LaunchFolderSelect", McFolderList(0).Path.Replace(Path, "$"))
+            End If
+            Log("[Launch] Minecraft 文件夹：" & PathMcFolder)
+            If Setup.Get("SystemDebugDelay") Then Thread.Sleep(RandomInteger(500, 3000))
+            '确认 Minecraft 版本存在
+            Dim Selection As String = Setup.Get("LaunchVersionSelect")
+            Dim Version As McVersion
+            If Selection = "" Then
+                Version = Nothing
+            Else
+                Version = New McVersion(Selection)
+            End If
+            If IsNothing(Version) OrElse Not (Version.Path.StartsWith(PathMcFolder) AndAlso Version.Check) Then
+                '无效的版本
+                Log("[Launch] Minecraft 版本无效" & If(IsNothing(Version), "，没有有效版本", "：" & Version.Path), If(IsNothing(Version), LogLevel.Normal, LogLevel.Debug))
+                If Not McVersionListLoader.State = LoadState.Finished Then LoaderFolderRun(McVersionListLoader, PathMcFolder, LoaderFolderRunType.ForceRun, MaxDepth:=1, ExtraPath:="versions\", WaitForExit:=True)
+                If Not McVersionList.Any() OrElse McVersionList.First.Value(0).Logo.Contains("RedstoneBlock") Then
+                    Version = Nothing
+                    Setup.Set("LaunchVersionSelect", "")
+                    Log("[Launch] 无可用 Minecraft 版本")
+                Else
+                    Version = McVersionList.First.Value(0)
+                    Setup.Set("LaunchVersionSelect", Version.Name)
+                    Log("[Launch] 自动选择 Minecraft 版本：" & Version.Path)
+                End If
+            End If
+            RunInUi(
+            Sub()
+                McVersionCurrent = Version '绕这一圈是为了避免 McVersionCheck 触发第二次版本改变
+                IsLoadFinished = True
+                RefreshButtonsUI()
+                RefreshPage(False, False) '有可能选择的版本变化了，需要重新刷新
+                If McLoginAble() = "" Then McLoginLoader.Start() '自动登录
+            End Sub)
+        End Sub, "Version Check", ThreadPriority.AboveNormal)
 
         '改变页面
         Dim LoginType As McLoginType = Setup.Get("LoginType")

Plain Craft Launcher 2/Pages/PageLaunch/PageLaunchRight.xaml.vb

@@ -67,7 +67,7 @@ Download:
                 End If
             Case 3
                 Select Case Setup.Get("UiCustomPreset")
-                    Case 0 '你知道吗
+                    Case 0
                         Log("[Page] 主页预设：你知道吗")
                         Content = "
                             <local:MyCard Title=""你知道吗？"" Margin=""0,0,0,15"">
@@ -76,7 +76,7 @@ Download:
                                     EventType=""刷新主页"" EventData=""/""
                                     Logo=""M875.52 148.48C783.36 56.32 655.36 0 512 0 291.84 0 107.52 138.24 30.72 332.8l122.88 46.08C204.8 230.4 348.16 128 512 128c107.52 0 199.68 40.96 271.36 112.64L640 384h384V0L875.52 148.48zM512 896c-107.52 0-199.68-40.96-271.36-112.64L384 640H0v384l148.48-148.48C240.64 967.68 368.64 1024 512 1024c220.16 0 404.48-138.24 481.28-332.8L870.4 645.12C819.2 793.6 675.84 896 512 896z"" />
                             </local:MyCard>"
-                    Case 1 '回声洞
+                    Case 1
                         Log("[Page] 主页预设：回声洞")
                         Content = "
                             <local:MyCard Title=""回声洞"" Margin=""0,0,0,15"">
@@ -85,17 +85,17 @@ Download:
                                     EventType=""刷新主页"" EventData=""/""
                                     Logo=""M875.52 148.48C783.36 56.32 655.36 0 512 0 291.84 0 107.52 138.24 30.72 332.8l122.88 46.08C204.8 230.4 348.16 128 512 128c107.52 0 199.68 40.96 271.36 112.64L640 384h384V0L875.52 148.48zM512 896c-107.52 0-199.68-40.96-271.36-112.64L384 640H0v384l148.48-148.48C240.64 967.68 368.64 1024 512 1024c220.16 0 404.48-138.24 481.28-332.8L870.4 645.12C819.2 793.6 675.84 896 512 896z"" />
                             </local:MyCard>"
-                    Case 2 '新闻
+                    Case 2
                         Log("[Page] 主页预设：Minecraft 新闻")
                         Url = "http://pcl.mcnews.thestack.top"
                         GoTo Download
-                    Case 3 '简单主页
+                    Case 3
                         Log("[Page] 主页预设：简单主页")
                         Url = "https://gitee.com/mfn233/PCL-Mainpage/raw/main/Custom.xaml"
                         GoTo Download
-                    Case 4 '历史上的今天
-                        Log("[Page] 主页预设：历史上的今天")
-                        Url = "https://pclnews.52chye.cn/custom.xaml"
+                    Case 4
+                        Log("[Page] 主页预设：每日整合包推荐")
+                        Url = "https://pclsub.sodamc.com/"
                         GoTo Download
                 End Select
         End Select

Plain Craft Launcher 2/Pages/PageLaunch/PageLoginMsSkin.xaml.vb

@@ -85,50 +85,51 @@
         Hint("正在更改皮肤……")
         IsChanging = True
         '开始实际获取
-        RunInNewThread(Async Sub()
-                           Try
+        RunInNewThread(
+        Async Sub()
+            Try
 Retry:
-                               If McLoginMsLoader.State = LoadState.Loading Then McLoginMsLoader.WaitForExit() '等待登录结束
-                               Dim AccessToken As String = Setup.Get("CacheMsAccess")
-                               Dim Uuid As String = Setup.Get("CacheMsUuid")
-
-                               Dim Client As New Net.Http.HttpClient With {.Timeout = New TimeSpan(0, 0, 30)}
-                               Client.DefaultRequestHeaders.Authorization = New Net.Http.Headers.AuthenticationHeaderValue("Bearer", AccessToken)
-                               Client.DefaultRequestHeaders.Accept.Add(New Net.Http.Headers.MediaTypeWithQualityHeaderValue("*/*"))
-                               Client.DefaultRequestHeaders.UserAgent.Add(New Net.Http.Headers.ProductInfoHeaderValue("MojangSharp", "0.1"))
-                               Dim Contents As New Net.Http.MultipartFormDataContent From {
-                                      {New Net.Http.StringContent(If(SkinInfo.IsSlim, "slim", "classic")), "variant"},
-                                      {New Net.Http.ByteArrayContent(File.ReadAllBytes(SkinInfo.LocalFile)), "file", GetFileNameFromPath(SkinInfo.LocalFile)}
-                                  }
-                               Dim Result As String = Await (Await Client.PostAsync(New Uri("https://api.minecraftservices.com/minecraft/profile/skins"), Contents)).Content.ReadAsStringAsync
-                               If Result.Contains("request requires user authentication") Then
-                                   Hint("正在登录，将在登录完成后继续更改皮肤……")
-                                   McLoginMsLoader.Start(GetLoginData(), IsForceRestart:=True)
-                                   GoTo Retry
-                               ElseIf Result.Contains("""error""") Then
-                                   Hint("更改皮肤失败：" & GetJson(Result)("error"), HintType.Critical)
-                                   Exit Sub
-                               End If
-                               '获取新皮肤地址
-                               Log("[Skin] 皮肤修改返回值：" & vbCrLf & Result)
-                               Dim ResultJson As JObject = GetJson(Result)
-                               For Each Skin As JObject In ResultJson("skins")
-                                   If Skin("state").ToString = "ACTIVE" Then
-                                       MySkin.ReloadCache(Skin("url"))
-                                       Exit Sub
-                                   End If
-                               Next
-                               Throw New Exception("未知错误（" & Result & "）")
-                           Catch ex As Exception
-                               If ex.GetType.Equals(GetType(Tasks.TaskCanceledException)) Then
-                                   Hint("更改皮肤失败：与 Mojang 皮肤服务器的连接超时，请检查你的网络是否通畅！", HintType.Critical)
-                               Else
-                                   Log(ex, "更改皮肤失败", LogLevel.Hint)
-                               End If
-                           Finally
-                               IsChanging = False
-                           End Try
-                       End Sub, "Ms Skin Upload")
+                If McLoginMsLoader.State = LoadState.Loading Then McLoginMsLoader.WaitForExit() '等待登录结束
+                Dim AccessToken As String = Setup.Get("CacheMsAccess")
+                Dim Uuid As String = Setup.Get("CacheMsUuid")
+
+                Dim Client As New Net.Http.HttpClient With {.Timeout = New TimeSpan(0, 0, 30)}
+                Client.DefaultRequestHeaders.Authorization = New Net.Http.Headers.AuthenticationHeaderValue("Bearer", AccessToken)
+                Client.DefaultRequestHeaders.Accept.Add(New Net.Http.Headers.MediaTypeWithQualityHeaderValue("*/*"))
+                Client.DefaultRequestHeaders.UserAgent.Add(New Net.Http.Headers.ProductInfoHeaderValue("MojangSharp", "0.1"))
+                Dim Contents As New Net.Http.MultipartFormDataContent From {
+                    {New Net.Http.StringContent(If(SkinInfo.IsSlim, "slim", "classic")), "variant"},
+                    {New Net.Http.ByteArrayContent(File.ReadAllBytes(SkinInfo.LocalFile)), "file", GetFileNameFromPath(SkinInfo.LocalFile)}
+                }
+                Dim Result As String = Await (Await Client.PostAsync(New Uri("https://api.minecraftservices.com/minecraft/profile/skins"), Contents)).Content.ReadAsStringAsync
+                If Result.Contains("request requires user authentication") Then
+                    Hint("正在登录，将在登录完成后继续更改皮肤……")
+                    McLoginMsLoader.Start(GetLoginData(), IsForceRestart:=True)
+                    GoTo Retry
+                ElseIf Result.Contains("""error""") Then
+                    Hint("更改皮肤失败：" & GetJson(Result)("error"), HintType.Critical)
+                    Exit Sub
+                End If
+                '获取新皮肤地址
+                Log("[Skin] 皮肤修改返回值：" & vbCrLf & Result)
+                Dim ResultJson As JObject = GetJson(Result)
+                For Each Skin As JObject In ResultJson("skins")
+                    If Skin("state").ToString = "ACTIVE" Then
+                        MySkin.ReloadCache(Skin("url"))
+                        Exit Sub
+                    End If
+                Next
+                Throw New Exception("未知错误（" & Result & "）")
+            Catch ex As Exception
+                If ex.GetType.Equals(GetType(Tasks.TaskCanceledException)) Then
+                    Hint("更改皮肤失败：与 Mojang 皮肤服务器的连接超时，请检查你的网络是否通畅！", HintType.Critical)
+                Else
+                    Log(ex, "更改皮肤失败", LogLevel.Hint)
+                End If
+            Finally
+                IsChanging = False
+            End Try
+        End Sub, "Ms Skin Upload")
     End Sub
 
     '保存皮肤

Plain Craft Launcher 2/Pages/PageSelectLeft.xaml.vb

@@ -237,7 +237,7 @@
                     If Not Version.Modable Then Continue For
                     '4. 该版本的隔离文件夹下不存在 mods
                     Dim ModIndieFolder As New DirectoryInfo(Version.Path & "mods\")
-                    If ModIndieFolder.Exists AndAlso ModIndieFolder.EnumerateFiles.Count > 0 Then Exit Sub
+                    If ModIndieFolder.Exists AndAlso ModIndieFolder.EnumerateFiles.Any Then Exit Sub
                     '满足以上全部条件则视为根目录整合包
                     Setup.Set("VersionArgumentIndie", 2, Version:=Version)
                     Log("[Setup] 已自动关闭单版本隔离：" & Version.Name, LogLevel.Debug)

Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml

@@ -115,7 +115,7 @@
                             <local:MyComboBoxItem Content="中（平衡）" IsSelected="True" />
                             <local:MyComboBoxItem Content="低（优先保证其他程序运行，但可能让游戏卡顿，适合挂机时使用）" />
                         </local:MyComboBox>
-                        <TextBlock VerticalAlignment="Center" Grid.Row="10" HorizontalAlignment="Left" Text="游戏窗口" Margin="0,0,25,0" />
+                        <TextBlock VerticalAlignment="Center" Grid.Row="10" HorizontalAlignment="Left" Text="窗口大小" Margin="0,0,25,0" />
                         <Grid x:Name="PanArgumentWindow" Grid.Row="10" Grid.ColumnSpan="2" Grid.Column="1">
                             <Grid.ColumnDefinitions>
                                 <ColumnDefinition />
@@ -125,11 +125,10 @@
                             </Grid.ColumnDefinitions>
                             <local:MyComboBox x:Name="ComboArgumentWindowType" Tag="LaunchArgumentWindowType">
                                 <local:MyComboBoxItem Content="全屏" />
-                                <local:MyComboBoxItem Content="默认大小" IsSelected="True" ToolTip="以 854×480 的默认窗口大小启动 Minecraft" />
-                                <local:MyComboBoxItem Content="与启动器窗口大小一致" />
-                                <local:MyComboBoxItem Content="自定义大小" ToolTip="注意：Forge 1.12 存在 Bug，会导致高度设定无效" />
+                                <local:MyComboBoxItem Content="默认" IsSelected="True" />
+                                <local:MyComboBoxItem Content="与启动器尺寸一致" />
+                                <local:MyComboBoxItem Content="自定义尺寸" ToolTip="Forge 1.12.2 等个别版本存在 Bug，会导致高度设定无效" />
                                 <local:MyComboBoxItem Content="最大化" />
-                                <local:MyComboBoxItem Content="保持游戏默认" />
                             </local:MyComboBox>
                             <local:MyTextBox Padding="0,0,5,0" Visibility="Collapsed" Grid.Column="1" Margin="50,0,0,0" x:Name="TextArgumentWindowWidth" Tag="LaunchArgumentWindowWidth" Width="60" HorizontalContentAlignment="Center" Text="854">
                                 <local:MyTextBox.ValidateRules>
@@ -138,7 +137,7 @@
                             </local:MyTextBox>
                             <TextBlock x:Name="LabArgumentWindowMiddle" Visibility="Collapsed" Grid.Column="2" Text=" × " VerticalAlignment="Center" FontSize="18" />
                             <local:MyTextBox Padding="0,0,5,0" Visibility="Collapsed" Grid.Column="3" Width="60" HorizontalContentAlignment="Center" x:Name="TextArgumentWindowHeight" Tag="LaunchArgumentWindowHeight" Text="480"
-                                              ToolTip="注意：Forge 1.12.2 等个别版本存在 Bug，会导致高度设定无效" ToolTipService.Placement="Right" ToolTipService.HorizontalOffset="5">
+                                              ToolTip="Forge 1.12.2 等个别版本存在 Bug，会导致高度设定无效" ToolTipService.Placement="Right" ToolTipService.HorizontalOffset="5">
                                 <local:MyTextBox.ValidateRules>
                                     <local:ValidateInteger Min="1" Max="9999" />
                                 </local:MyTextBox.ValidateRules>
@@ -175,11 +174,16 @@
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="9" />
                             <RowDefinition Height="Auto" />
+                            <RowDefinition Height="9" />
+                            <RowDefinition Height="Auto" />
                         </Grid.RowDefinitions>
                         <local:MyRadioBox Text="自动配置" Width="110" Checked="True" x:Name="RadioRamType0" Tag="LaunchRamType/0" Margin="0,0,20,0" 
                                           ToolTip="根据安装的 Mod 量与电脑剩余内存，动态调整为游戏分配的内存" ToolTipService.Placement="Right" ToolTipService.HorizontalOffset="-10" ToolTipService.VerticalOffset="-3" />
                         <local:MyRadioBox Grid.Row="2" Text="自定义" x:Name="RadioRamType1" Tag="LaunchRamType/1" Margin="0,0,20,0" />
                         <local:MySlider Grid.Row="2" Grid.Column="1" IsEnabled="False" x:Name="SliderRamCustom" Tag="LaunchRamCustom" MaxValue="49" Value="13" />
+                        <local:MyCheckBox Grid.Row="4" Grid.ColumnSpan="3" Text="启动游戏前进行内存优化" Height="22" x:Name="CheckArgumentRam" Tag="LaunchArgumentRam"
+                                          ToolTipService.Placement="Left" ToolTipService.HorizontalOffset="525" ToolTipService.VerticalOffset="-30"
+                                          ToolTip="内存优化能将当前物理内存占用降低约 1/3，不仅限于 MC！&#xa;如果使用机械硬盘，这还可能会导致一小段时间的严重卡顿。&#xa;使用 --memory 参数启动 PCL 可以静默执行内存优化。" />
                         <!--<local:MyTextBox Grid.Row="2" Grid.Column="3" Width="100" VerticalAlignment="Center" Margin="30,0,0,0" Text="2048 MB" />-->
                     </Grid>
                     <Grid x:Name="PanRamDisplay" Margin="0,11,2,0" SnapsToDevicePixels="True" Grid.Row="1" Grid.ColumnSpan="2" Grid.Column="1">
@@ -229,7 +233,7 @@
                         <RowDefinition Height="Auto" />
                     </Grid.RowDefinitions>
                     <TextBlock Grid.Row="0" VerticalAlignment="Center" HorizontalAlignment="Left" Text="JVM 参数头" Margin="0,0,25,0" />
-                    <local:MyTextBox x:Name="TextAdvanceJvm" Grid.Row="0" Grid.ColumnSpan="2" Tag="LaunchAdvanceJvm" Grid.Column="1" ToolTip="启动 Minecraft 时使用的额外 JVM 参数，在没有确定把握的情况下请不要尝试修改。&#xa;你可以通过点击左侧选项卡的初始化按钮来恢复到默认设置。" MaxLength="4000" Text="-XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -Dfml.ignoreInvalidMinecraftCertificates=True -Dfml.ignorePatchDiscrepancies=True -Dlog4j2.formatMsgNoLookups=true" 
+                    <local:MyTextBox x:Name="TextAdvanceJvm" Grid.Row="0" Grid.ColumnSpan="2" Tag="LaunchAdvanceJvm" Grid.Column="1" ToolTip="启动 Minecraft 时使用的额外 JVM 参数，在没有确定把握的情况下请不要尝试修改。&#xa;你可以通过点击左侧选项卡的初始化按钮来恢复到默认设置。" MaxLength="4000"
                                      Height="57" AcceptsReturn="True" TextWrapping="Wrap" VerticalContentAlignment="Top" Padding="0,5" />
                     <TextBlock Grid.Row="2" VerticalAlignment="Center" HorizontalAlignment="Left" Text="JVM 参数尾" Margin="0,0,25,0" />
                     <local:MyTextBox x:Name="TextAdvanceGame" Grid.Row="2" Grid.ColumnSpan="2" Tag="LaunchAdvanceGame" Grid.Column="1" ToolTip="文本框中的内容将会被直接拼合在启动参数的末尾。&#xa;例如输入 --demo 则会以试玩模式启动游戏。" />

Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml.vb

@@ -38,6 +38,7 @@
             ComboArgumentWindowType.SelectedIndex = Setup.Get("LaunchArgumentWindowType")
             TextArgumentWindowWidth.Text = Setup.Get("LaunchArgumentWindowWidth")
             TextArgumentWindowHeight.Text = Setup.Get("LaunchArgumentWindowHeight")
+            CheckArgumentRam.Checked = Setup.Get("LaunchArgumentRam")
             RefreshJavaComboBox()
 
             '游戏内存
@@ -71,6 +72,7 @@
             Setup.Reset("LaunchArgumentWindowWidth")
             Setup.Reset("LaunchArgumentWindowHeight")
             Setup.Reset("LaunchArgumentPriority")
+            Setup.Reset("LaunchArgumentRam")
             Setup.Reset("LaunchRamType")
             Setup.Reset("LaunchRamCustom")
             Setup.Reset("LaunchSkinType")
@@ -108,7 +110,7 @@
     Private Shared Sub ComboChange(sender As MyComboBox, e As Object) Handles ComboArgumentIndie.SelectionChanged, ComboArgumentVisibie.SelectionChanged, ComboArgumentWindowType.SelectionChanged, ComboArgumentPriority.SelectionChanged
         If AniControlEnabled = 0 Then Setup.Set(sender.Tag, sender.SelectedIndex)
     End Sub
-    Private Shared Sub CheckBoxChange(sender As MyCheckBox, e As Object) Handles CheckAdvanceAssets.Change, CheckAdvanceJava.Change, CheckAdvanceRunWait.Change
+    Private Shared Sub CheckBoxChange(sender As MyCheckBox, e As Object) Handles CheckAdvanceAssets.Change, CheckAdvanceJava.Change, CheckAdvanceRunWait.Change, CheckArgumentRam.Change
         If AniControlEnabled = 0 Then Setup.Set(sender.Tag, sender.Checked)
     End Sub
 
@@ -352,19 +354,19 @@
                 '可安装 Mod 的版本
                 Dim ModDir As New DirectoryInfo(Version.PathIndie & "mods\")
                 Dim ModCount As Integer = If(ModDir.Exists, ModDir.GetFiles.Length, 0)
-                RamMininum = 0.4 + ModCount / 150
-                RamTarget1 = 1.5 + ModCount / 100
-                RamTarget2 = 3 + ModCount / 60
-                RamTarget3 = 6 + ModCount / 30
+                RamMininum = 0.5 + ModCount / 150
+                RamTarget1 = 1.5 + ModCount / 90
+                RamTarget2 = 2.7 + ModCount / 50
+                RamTarget3 = 4.5 + ModCount / 25
             ElseIf Version IsNot Nothing AndAlso Version.Version.HasOptiFine Then
                 'OptiFine 版本
-                RamMininum = 0.3
+                RamMininum = 0.5
                 RamTarget1 = 1.5
                 RamTarget2 = 3
-                RamTarget3 = 6
+                RamTarget3 = 5
             Else
                 '普通版本
-                RamMininum = 0.3
+                RamMininum = 0.5
                 RamTarget1 = 1.5
                 RamTarget2 = 2.5
                 RamTarget3 = 4
@@ -372,27 +374,23 @@
             Dim RamDelta As Double
             '预分配内存，阶段一，0 ~ T1，100%
             RamDelta = RamTarget1
-            RamAvailable = Math.Max(0, RamAvailable - 0.1)
-            RamGive += Math.Min(RamAvailable * 1, RamDelta)
-            RamAvailable -= RamDelta / 1 + 0.1
+            RamGive += Math.Min(RamAvailable, RamDelta)
+            RamAvailable -= RamDelta
             If RamAvailable < 0.1 Then GoTo PreFin
-            '预分配内存，阶段二，T1 ~ T2，80%
+            '预分配内存，阶段二，T1 ~ T2，70%
             RamDelta = RamTarget2 - RamTarget1
-            RamAvailable = Math.Max(0, RamAvailable - 0.1)
-            RamGive += Math.Min(RamAvailable * 0.8, RamDelta)
-            RamAvailable -= RamDelta / 0.8 + 0.1
+            RamGive += Math.Min(RamAvailable * 0.7, RamDelta)
+            RamAvailable -= RamDelta / 0.7
             If RamAvailable < 0.1 Then GoTo PreFin
-            '预分配内存，阶段三，T2 ~ T3，60%
+            '预分配内存，阶段三，T2 ~ T3，40%
             RamDelta = RamTarget3 - RamTarget2
-            RamAvailable = Math.Max(0, RamAvailable - 0.2)
-            RamGive += Math.Min(RamAvailable * 0.6, RamDelta)
-            RamAvailable -= RamDelta / 0.6 + 0.2
+            RamGive += Math.Min(RamAvailable * 0.4, RamDelta)
+            RamAvailable -= RamDelta / 0.4
             If RamAvailable < 0.1 Then GoTo PreFin
-            '预分配内存，阶段四，T3 ~ T3 * 2，40%
+            '预分配内存，阶段四，T3 ~ T3 * 2，15%
             RamDelta = RamTarget3
-            RamAvailable = Math.Max(0, RamAvailable - 0.3)
-            RamGive += Math.Min(RamAvailable * 0.4, RamDelta)
-            RamAvailable -= RamDelta / 0.4 + 0.3
+            RamGive += Math.Min(RamAvailable * 0.15, RamDelta)
+            RamAvailable -= RamDelta / 0.15
             If RamAvailable < 0.1 Then GoTo PreFin
 PreFin:
             '不低于最低值
@@ -444,7 +442,7 @@ PreFin:
             Log(ex, "更新设置 Java 下拉框失败", LogLevel.Feedback)
         End Try
         '更新选择项
-        If SelectedItem Is Nothing AndAlso JavaList.Count > 0 Then SelectedItem = ComboArgumentJava.Items(0) '选中 “自动选择”
+        If SelectedItem Is Nothing AndAlso JavaList.Any Then SelectedItem = ComboArgumentJava.Items(0) '选中 “自动选择”
         ComboArgumentJava.SelectedItem = SelectedItem
         '结束处理
         If SelectedItem Is Nothing Then
@@ -515,15 +513,16 @@ PreFin:
             Hint("正在搜索 Java，请稍候！", HintType.Critical)
             Exit Sub
         End If
-        RunInThread(Sub()
-                        Hint("正在搜索 Java！")
-                        JavaSearchLoader.WaitForExit(IsForceRestart:=True)
-                        If Not JavaList.Any() Then
-                            Hint("未找到可用的 Java！", HintType.Critical)
-                        Else
-                            Hint("已找到 " & JavaList.Count & " 个 Java，请检查下拉框查看列表！", HintType.Finish)
-                        End If
-                    End Sub)
+        RunInThread(
+        Sub()
+            Hint("正在搜索 Java！")
+            JavaSearchLoader.WaitForExit(IsForceRestart:=True)
+            If Not JavaList.Any() Then
+                Hint("未找到可用的 Java！", HintType.Critical)
+            Else
+                Hint("已找到 " & JavaList.Count & " 个 Java，请检查下拉框查看列表！", HintType.Finish)
+            End If
+        End Sub)
     End Sub
 
 #End Region
@@ -548,12 +547,24 @@ PreFin:
         If AniControlEnabled <> 0 Then Exit Sub
         If ComboArgumentVisibie.SelectedIndex = 0 Then
             If MyMsgBox("若在游戏启动后立即关闭启动器，崩溃检测、更改游戏标题等功能将失效。" & vbCrLf &
-                        "如果想保留这些功能，可以选择让启动器在游戏启动后隐藏，游戏退出后自动关闭。", "提示", "继续", "取消") = 2 Then
+                        "如果想保留这些功能，可以选择让启动器在游戏启动后隐藏，游戏退出后自动关闭。", "提醒", "继续", "取消") = 2 Then
                 ComboArgumentVisibie.SelectedItem = e.RemovedItems(0)
             End If
         End If
     End Sub
 
+    '开启自动内存优化的警告
+    Private Sub CheckArgumentRam_Change() Handles CheckArgumentRam.Change
+        If AniControlEnabled <> 0 Then Exit Sub
+        If Not CheckArgumentRam.Checked Then Return
+        If MyMsgBox("内存优化耗时较长，这会拖慢游戏的启动过程，建议仅在电脑内存不充裕时开启此选项。" & vbCrLf &
+                    "如果你在使用机械硬盘，这还可能会导致一小段时间的严重卡顿。" &
+                    If(IsAdmin(), "", $"{vbCrLf}{vbCrLf}每次启动游戏，PCL 都需要申请管理员权限以进行内存优化。{vbCrLf}若想自动授予权限，可以右键 PCL，打开 属性 → 兼容性 → 以管理员身份运行此程序。"),
+                    "提醒", "确定", "取消") = 2 Then
+            CheckArgumentRam.Checked = False
+        End If
+    End Sub
+
 #End Region
 
 #Region "高级设置"

Plain Craft Launcher 2/Pages/PageSetup/PageSetupSystem.xaml.vb

@@ -126,23 +126,21 @@
 
     '滑动条
     Private Sub SliderLoad()
-        SliderDownloadThread.GetHintText = Function(Value As Integer)
-                                               Return Value + 1
-                                           End Function
-        SliderDownloadSpeed.GetHintText = Function(Value As Integer)
-                                              If Value <= 14 Then
-                                                  Return (Value + 1) * 0.1 & " M/s"
-                                              ElseIf Value <= 31 Then
-                                                  Return (Value - 11) * 0.5 & " M/s"
-                                              ElseIf Value <= 41 Then
-                                                  Return (Value - 21) & " M/s"
-                                              Else
-                                                  Return "无限制"
-                                              End If
-                                          End Function
-        SliderDebugAnim.GetHintText = Function(Value As Integer)
-                                          Return If(Value > 29, "关闭", (Value / 10 + 0.1) & "x")
-                                      End Function
+        SliderDownloadThread.GetHintText = Function(v) v + 1
+        SliderDownloadSpeed.GetHintText =
+        Function(v)
+            Select Case v
+                Case Is <= 14
+                    Return (v + 1) * 0.1 & " M/s"
+                Case Is <= 31
+                    Return (v - 11) * 0.5 & " M/s"
+                Case Is <= 41
+                    Return (v - 21) & " M/s"
+                Case Else
+                    Return "无限制"
+            End Select
+        End Function
+        SliderDebugAnim.GetHintText = Function(v) If(v > 29, "关闭", (v / 10 + 0.1) & "x")
     End Sub
     Private Sub SliderDownloadThread_PreviewChange(sender As Object, e As RouteEventArgs) Handles SliderDownloadThread.PreviewChange
         If SliderDownloadThread.Value < 100 Then Exit Sub

Plain Craft Launcher 2/Pages/PageVersion/PageVersionMod.xaml.vb

@@ -177,7 +177,7 @@
     Private Sub BtnManageCheck_Click(sender As Object, e As EventArgs) Handles BtnManageCheck.Click
         Try
             Dim Result = McModCheck(PageVersionLeft.Version, McModLoader.Output)
-            If Result.Count > 0 Then
+            If Result.Any Then
                 MyMsgBox(Join(Result, vbCrLf & vbCrLf), "Mod 检查结果")
             Else
                 Hint("Mod 检查完成，未发现任何问题！", HintType.Finish)
@@ -620,13 +620,13 @@
                 If ModEntry.ModId IsNot Nothing Then
                     DebugInfo.Add("Mod ID：" & ModEntry.ModId)
                 End If
-                If ModEntry.Dependencies.Count > 0 Then
+                If ModEntry.Dependencies.Any Then
                     DebugInfo.Add("依赖于：")
                     For Each Dep In ModEntry.Dependencies
                         DebugInfo.Add(" - " & Dep.Key & If(Dep.Value Is Nothing, "", "，版本：" & Dep.Value))
                     Next
                 End If
-                If DebugInfo.Count > 0 Then
+                If DebugInfo.Any Then
                     ContentLines.Add("")
                     ContentLines.AddRange(DebugInfo)
                 End If

Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml.vb

@@ -33,7 +33,7 @@
             If Indie = -1 Then
                 Dim ModFolder As New DirectoryInfo(PageVersionLeft.Version.Path & "mods\")
                 Dim SaveFolder As New DirectoryInfo(PageVersionLeft.Version.Path & "saves\")
-                If (ModFolder.Exists AndAlso ModFolder.EnumerateFiles.Count > 0) OrElse (SaveFolder.Exists AndAlso SaveFolder.EnumerateFiles.Count > 0) Then
+                If (ModFolder.Exists AndAlso ModFolder.EnumerateFiles.Any) OrElse (SaveFolder.Exists AndAlso SaveFolder.EnumerateFiles.Any) Then
                     '自动开启
                     Setup.Set("VersionArgumentIndie", 1, Version:=PageVersionLeft.Version)
                     Log("[Setup] 已自动开启单版本隔离：" & PageVersionLeft.Version.Name)
@@ -438,7 +438,7 @@ PreFin:
             Log(ex, "更新版本设置 Java 下拉框失败", LogLevel.Feedback)
         End Try
         '更新选择项
-        If SelectedItem Is Nothing AndAlso JavaList.Count > 0 Then
+        If SelectedItem Is Nothing AndAlso JavaList.Any Then
             If SelectedBySetup = "" Then
                 SelectedItem = ComboArgumentJava.Items(1) '选中 “自动选择”
             Else

Plain Craft Launcher 2/app.manifest

@@ -29,8 +29,8 @@
       <!-- Windows Vista -->
       <!--<supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />-->
 
-      <!-- Windows 7 -->
-      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />
+      <!-- Windows 7 --><!--
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />-->
 
       <!-- Windows 8 -->
       <!--<supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />-->
@@ -38,7 +38,7 @@
       <!-- Windows 8.1 -->
       <!--<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />-->
 
-      <!-- Windows 10 -->
+      <!-- Windows 10+ -->
       <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
 
     </application>