2.7.3

Plain Craft Launcher 2/Application.xaml.vb

@@ -19,18 +19,14 @@ Public Class Application
 
     '开始
     Private Sub Application_Startup(sender As Object, e As StartupEventArgs) Handles Me.Startup
-        SecretOnApplicationStart()
         Try
+            SecretOnApplicationStart()
             '检查参数调用
             If e.Args.Length > 0 Then
                 If e.Args(0) = "--update" Then
                     '自动更新
                     UpdateReplace(e.Args(1), e.Args(2).Trim(""""), e.Args(3).Trim(""""), e.Args(4))
                     Environment.Exit(Result.Cancel)
-                    'ElseIf e.Args(0).StartsWithF("--link") Then
-                    '    '稍作等待后切换到联机页面
-                    '    Thread.Sleep(1000)
-                    '    FormMain.IsLinkRestart = True
                 ElseIf e.Args(0).StartsWithF("--memory") Then
                     '内存优化
                     Dim Ram = My.Computer.Info.AvailablePhysicalMemory
@@ -129,7 +125,12 @@ Public Class Application
 #End If
             AniControlEnabled += 1
         Catch ex As Exception
-            MsgBox(GetExceptionDetail(ex, True), MsgBoxStyle.Critical, "PCL 初始化错误")
+            Dim FilePath As String = Nothing
+            Try
+                FilePath = PathWithName
+            Catch
+            End Try
+            MsgBox(GetExceptionDetail(ex, True) & vbCrLf & "PCL 所在路径：" & If(String.IsNullOrEmpty(FilePath), "获取失败", FilePath), MsgBoxStyle.Critical, "PCL 初始化错误")
             FormMain.EndProgramForce(Result.Exception)
         End Try
     End Sub

Plain Craft Launcher 2/Controls/MyCard.vb

@@ -130,7 +130,7 @@
                                                                     FrmDownloadInstall.MinecraftSelected(sender, e)
                                                                 End Sub, False))
                 Case 8
-                    If Distinct(CType(Stack.Tag, List(Of CompFile)), Function(a, b) a.DisplayName = b.DisplayName).Count <>
+                    If CType(Stack.Tag, List(Of CompFile)).Distinct(Function(a, b) a.DisplayName = b.DisplayName).Count <>
                        CType(Stack.Tag, List(Of CompFile)).Count Then
                         '存在重复的名称（#1344）
                         Stack.Children.Add(CType(Data, CompFile).ToListItem(AddressOf FrmDownloadCompDetail.Save_Click, BadDisplayName:=True))
@@ -139,7 +139,7 @@
                         Stack.Children.Add(CType(Data, CompFile).ToListItem(AddressOf FrmDownloadCompDetail.Save_Click))
                     End If
                 Case 9
-                    If Distinct(CType(Stack.Tag, List(Of CompFile)), Function(a, b) a.DisplayName = b.DisplayName).Count <>
+                    If CType(Stack.Tag, List(Of CompFile)).Distinct(Function(a, b) a.DisplayName = b.DisplayName).Count <>
                        CType(Stack.Tag, List(Of CompFile)).Count Then
                         '存在重复的名称（#1344）
                         Stack.Children.Add(CType(Data, CompFile).ToListItem(AddressOf FrmDownloadCompDetail.Install_Click, AddressOf FrmDownloadCompDetail.Save_Click, BadDisplayName:=True))

Plain Craft Launcher 2/FormMain.xaml.vb

@@ -10,6 +10,14 @@ 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 < 323 Then 'Release 2.7.3
+            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 += 22
+            BugCount += 21
+        End If
         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
@@ -100,6 +108,10 @@ Public Class FormMain
         '3：BUG+ IMP* FEAT-
         '2：BUG* IMP-
         '1：BUG-
+        If LastVersion < 324 Then 'Snapshot 2.7.3
+            FeatureCount += 4
+            BugCount += 3
+        End If
         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"))
@@ -241,7 +253,7 @@ Public Class FormMain
         Next
         If SortedFeatures.Count > 10 Then FeatureCount += SortedFeatures.Count - 10
         If FeatureCount > 0 OrElse BugCount > 0 Then
-            ContentList.Add(If(FeatureCount > 0, "其他 " & FeatureCount & " 项小调整与修改", "") &
+            ContentList.Add(If(FeatureCount > 0, FeatureCount & " 项小调整与修改", "") &
                 If(FeatureCount > 0 AndAlso BugCount > 0, "，", "") &
                 If(BugCount > 0, "修复了 " & BugCount & " 个 Bug", "") &
                 "，详见完整更新日志")

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 = "2.7.2" '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
+    Public Const VersionBaseName As String = "2.7.3" '不含分支前缀的显示用版本名
+    Public Const VersionStandardCode As String = "2.7.3." & VersionBranchCode '标准格式的四段式版本号
 #If BETA Then
-    Public Const VersionCode As Integer = 321 'Release
+    Public Const VersionCode As Integer = 323 'Release
 #Else
-    Public Const VersionCode As Integer = 322 'Snapshot
+    Public Const VersionCode As Integer = 324 'Snapshot
 #End If
     '自动生成的版本信息
     Public Const VersionDisplayName As String = VersionBranchName & " " & VersionBaseName
@@ -1817,15 +1817,11 @@ Re:
     ''' <summary>
     ''' 数组去重。
     ''' </summary>
-    Public Function Distinct(Of T)(Arr As ICollection(Of T), Optional IsEqual As CompareThreadStart(Of T) = Nothing) As List(Of T)
+    <Extension> Public Function Distinct(Of T)(Arr As ICollection(Of T), IsEqual As CompareThreadStart(Of T)) As List(Of T)
         Dim ResultArray As New List(Of T)
         For i = 0 To Arr.Count - 1
             For ii = i + 1 To Arr.Count - 1
-                If IsEqual Is Nothing Then
-                    If Arr(i).Equals(Arr(ii)) Then GoTo NextElement
-                Else
-                    If IsEqual(Arr(i), Arr(ii)) Then GoTo NextElement
-                End If
+                If IsEqual(Arr(i), Arr(ii)) Then GoTo NextElement
             Next
             ResultArray.Add(Arr(i))
 NextElement:
@@ -2073,7 +2069,7 @@ NextElement:
     ''' 按照既定的函数进行选择排序。
     ''' </summary>
     ''' <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)
+    <Extension> 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.Any
             Dim Highest = List(0)

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

@@ -517,7 +517,7 @@ RequestFinished:
         ''' </summary>
         Finish = 6
         ''' <summary>
-        ''' 已失败。
+        ''' 已失败或中断。
         ''' </summary>
         [Error] = 7
     End Enum
@@ -1035,6 +1035,7 @@ StartThread:
                 SecretHeadersSign(Info.Source.Url, HttpRequest, UseBrowserUserAgent)
                 Dim ContentLength As Long = 0
                 Using HttpResponse As HttpWebResponse = HttpRequest.GetResponse()
+                    If State = NetState.Error Then GoTo SourceBreak '快速中断
                     If ModeDebug AndAlso HttpResponse.ResponseUri.OriginalString <> Info.Source.Url Then
                         Log($"[Download] {LocalName} {Info.Uuid}#：重定向至 {HttpResponse.ResponseUri.OriginalString}")
                     End If
@@ -1379,14 +1380,7 @@ Retry:
                 '凉凉
                 State = NetState.Error
             End SyncLock
-            Try
-                If File.Exists(LocalPath) Then File.Delete(LocalPath)
-            Catch
-            End Try
-            SyncLock NetManager.LockRemain
-                NetManager.FileRemain -= 1
-                Log("[Download] " & LocalName & "：已失败，剩余文件 " & NetManager.FileRemain)
-            End SyncLock
+            InterruptAndDelete()
             For Each Task In Tasks
                 Task.OnFileFail(Me)
             Next
@@ -1395,7 +1389,7 @@ Retry:
         ''' 下载中断。
         ''' </summary>
         Public Sub Abort(CausedByTask As LoaderDownload)
-            '确认任务移除
+            '从特定任务中移除，如果它还属于其他任务，则继续下载
             SyncLock LockTasks
                 Tasks.Remove(CausedByTask)
                 If Tasks.Any Then Exit Sub
@@ -1405,9 +1399,14 @@ Retry:
                 If State >= NetState.Finish Then Exit Sub
                 State = NetState.Error
             End SyncLock
+            InterruptAndDelete()
+        End Sub
+        Private Sub InterruptAndDelete()
+            On Error Resume Next
+            If File.Exists(LocalPath) Then File.Delete(LocalPath)
             SyncLock NetManager.LockRemain
                 NetManager.FileRemain -= 1
-                If ModeDebug Then Log("[Download] " & LocalName & "：已取消，剩余文件 " & NetManager.FileRemain)
+                Log($"[Download] {LocalName}：状态 {State}，剩余文件 {NetManager.FileRemain}")
             End SyncLock
         End Sub
 

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

@@ -593,7 +593,7 @@
                 '添加后缀
                 If Suffix <> "" Then SubtitleList.Add(Suffix)
             End If
-            SubtitleList = SubtitleList.Distinct().ToList()
+            SubtitleList = SubtitleList.Distinct.ToList()
             '设置标题与描述
             Dim Subtitle As String = ""
             If SubtitleList.Any Then
@@ -1046,7 +1046,7 @@ Retry:
         '这样做的话，去重后将优先保留 CurseForge 内容（考虑到 CurseForge 热度更高）
         RawResults = RawResults.Where(Function(x) Not x.FromCurseForge).Concat(RawResults.Where(Function(x) x.FromCurseForge)).ToList
         'RawResults 去重
-        RawResults = Distinct(RawResults, Function(a, b) a.IsLike(b))
+        RawResults = RawResults.Distinct(Function(a, b) a.IsLike(b))
         '已有内容去重
         RawResults = RawResults.Where(Function(r) Not RealResults.Any(Function(b) r.IsLike(b)) AndAlso
                                                   Not Storage.Results.Any(Function(b) r.IsLike(b))).ToList
@@ -1444,8 +1444,8 @@ Retry:
             'Modrinth
             ResultJsonArray = NetGetCodeByRequestRetry($"https://api.modrinth.com/v2/project/{ProjectId}/version", Accept:="application/json", IsJson:=True)
         End If
-        CompFilesCache(ProjectId) = Distinct(ResultJsonArray.Select(Function(a) New CompFile(a, TargetProject.Type)).
-            Where(Function(a) a.Available).ToList, Function(a, b) a.Id = b.Id) 'CurseForge 可能会重复返回相同项（#1330）
+        CompFilesCache(ProjectId) = ResultJsonArray.Select(Function(a) New CompFile(a, TargetProject.Type)).
+            Where(Function(a) a.Available).ToList.Distinct(Function(a, b) a.Id = b.Id) 'CurseForge 可能会重复返回相同项（#1330）
         '获取前置 Mod 列表
         If TargetProject.Type <> CompType.Mod Then Return CompFilesCache(ProjectId)
         Dim Deps As List(Of String) = CompFilesCache(ProjectId).

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

@@ -98,6 +98,11 @@
                     TempAddress = PathTemp & "Cache\" & BackAssetsFile.LocalName
                     BackAssetsFile.LocalPath = TempAddress
                     Task.Output = New List(Of NetFile) From {BackAssetsFile}
+                    '检查是否需要更新：每天只更新一次
+                    If File.Exists(RealAddress) AndAlso Math.Abs((File.GetLastWriteTime(RealAddress).Date - Now.Date).TotalDays) < 1 Then
+                        Log("[Download] 无需更新资源文件索引")
+                        Task.Abort()
+                    End If
                 End Sub))
                 LoadersAssetsUpdate.Add(New LoaderDownload("后台下载资源文件索引", New List(Of NetFile)))
                 LoadersAssetsUpdate.Add(New LoaderTask(Of List(Of NetFile), String)("后台复制资源文件索引",
@@ -106,7 +111,7 @@
                     McLaunchLog("后台更新资源文件索引成功：" & TempAddress)
                 End Sub))
                 Dim Updater As New LoaderCombo(Of String)("后台更新资源文件索引", LoadersAssetsUpdate)
-                Log("[Download] 开始后台更新资源文件索引")
+                Log("[Download] 开始后台检查资源文件索引")
                 Updater.Start()
             End If
             '获取资源文件地址

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

@@ -567,7 +567,7 @@ NoUserJava:
 
             '确保可用并获取详细信息，转入正式列表
             Dim NewJavaList As New List(Of JavaEntry)
-            For Each Entry In Distinct(JavaPreList.ToList, Function(a, b) a.Key.ToLower = b.Key.ToLower) '#794
+            For Each Entry In JavaPreList.Distinct(Function(a, b) a.Key.ToLower = b.Key.ToLower) '#794
                 NewJavaList.Add(New JavaEntry(Entry.Key, Entry.Value))
             Next
             NewJavaList = Sort(JavaCheckList(NewJavaList), AddressOf JavaSorter)
@@ -719,12 +719,25 @@ Wait:
     ''' 获取下载 Java 8/14/17/21 的加载器。需要开启 IsForceRestart 以正常刷新 Java 列表。
     ''' </summary>
     Public Function JavaFixLoaders(Version As Integer) As LoaderCombo(Of Integer)
-        Return New LoaderCombo(Of Integer)($"下载 Java {Version}", {
+        Dim JavaDownloadLoader As New LoaderDownload("下载 Java 文件", New List(Of NetFile)) With {.ProgressWeight = 10}
+        Dim Loader = New LoaderCombo(Of Integer)($"下载 Java {Version}", {
             New LoaderTask(Of Integer, List(Of NetFile))("获取 Java 下载信息", AddressOf JavaFileList) With {.ProgressWeight = 2},
-            New LoaderDownload("下载 Java 文件", New List(Of NetFile)) With {.ProgressWeight = 10},
+            JavaDownloadLoader,
             JavaSearchLoader
         })
+        AddHandler JavaDownloadLoader.OnStateChangedThread,
+        Sub(Raw As LoaderBase, NewState As LoadState, OldState As LoadState)
+            If (NewState = LoadState.Failed OrElse NewState = LoadState.Aborted) AndAlso LastJavaBaseDir IsNot Nothing Then
+                Log($"[Java] 由于下载未完成，清理未下载完成的 Java 文件：{LastJavaBaseDir}", LogLevel.Debug)
+                DeleteDirectory(LastJavaBaseDir)
+            ElseIf NewState = LoadState.Finished Then
+                LastJavaBaseDir = Nothing
+            End If
+        End Sub
+        JavaDownloadLoader.HasOnStateChangedThread = True
+        Return Loader
     End Function
+    Private LastJavaBaseDir As String = Nothing '用于在下载中断或失败时删除未完成下载的 Java 文件夹，防止残留只下了一半但 -version 能跑的 Java
     Private Sub JavaFileList(Loader As LoaderTask(Of Integer, List(Of NetFile)))
         Log("[Java] 开始获取 Java 下载信息")
         Dim IndexFileStr As String = NetGetCodeByDownload(
@@ -739,25 +752,23 @@ Wait:
         Dim Address As String = TargetEntry.Value("manifest")("url")
         Log($"[Java] 准备下载 Java {TargetEntry.Value("version")("name")}（{TargetEntry.Key}）：{Address}")
         '获取文件列表
-        Dim ListFileStr As String = NetGetCodeByDownload(
-            {Address.Replace("piston-meta.mojang.com", "bmclapi2.bangbang93.com"),
-             Address},
-        IsJson:=True)
-        Dim BaseDir As String = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) & "\.minecraft\runtime\" & TargetEntry.Key & "\"
+        Dim ListFileStr As String = NetGetCodeByDownload({Address.Replace("piston-meta.mojang.com", "bmclapi2.bangbang93.com"), Address}, IsJson:=True)
+        LastJavaBaseDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) & "\.minecraft\runtime\" & TargetEntry.Key & "\"
         Dim Results As New List(Of NetFile)
         For Each File As JProperty In CType(GetJson(ListFileStr), JObject)("files")
             If CType(File.Value, JObject)("downloads")?("raw") Is Nothing Then Continue For
             Dim Info As JObject = CType(File.Value, JObject)("downloads")("raw")
             Dim Checker As New FileChecker(ActualSize:=Info("size"), Hash:=Info("sha1"))
-            If Checker.Check(BaseDir & File.Name) Is Nothing Then Continue For '跳过已存在的文件
+            If Checker.Hash = "12976a6c2b227cbac58969c1455444596c894656" OrElse Checker.Hash = "c80e4bab46e34d02826eab226a4441d0970f2aba" OrElse Checker.Hash = "84d2102ad171863db04e7ee22a259d1f6c5de4a5" Then
+                '跳过 3 个无意义大量重复文件（#3827）
+                Continue For
+            End If
+            If Checker.Check(LastJavaBaseDir & File.Name) Is Nothing Then Continue For '跳过已存在的文件
             Dim Url As String = Info("url")
-            Results.Add(New NetFile(
-                            {Url.Replace("piston-data.mojang.com", "bmclapi2.bangbang93.com"),
-                             Url},
-                        BaseDir & File.Name, Checker))
+            Results.Add(New NetFile({Url.Replace("piston-data.mojang.com", "bmclapi2.bangbang93.com"), Url}, LastJavaBaseDir & File.Name, Checker))
         Next
         Loader.Output = Results
-        Log($"[Java] 需要下载 {Results.Count} 个文件，目标文件夹：{BaseDir}")
+        Log($"[Java] 需要下载 {Results.Count} 个文件，目标文件夹：{LastJavaBaseDir}")
     End Sub
 
 #End Region

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

@@ -1192,12 +1192,10 @@ SystemBrowser:
             If Not JavaDownloadConfirm("Java 7") Then Throw New Exception("$$")
         ElseIf MinVer > New Version(1, 8, 0, 100) AndAlso MaxVer < New Version(1, 8, 0, 321) Then
             JavaCode = "8u101"
-            JavaDownloadConfirm("Java 8.0.101 ~ 8.0.320", True)
-            Throw New Exception("$$")
+            If Not JavaDownloadConfirm("Java 8.0.101 ~ 8.0.320", True) Then Throw New Exception("$$")
         ElseIf MinVer > New Version(1, 8, 0, 100) Then
             JavaCode = "8u101"
-            JavaDownloadConfirm("Java 8.0.101 或更高版本的 Java 8", True)
-            Throw New Exception("$$")
+            If Not JavaDownloadConfirm("Java 8.0.101 或更高版本的 Java 8", True) Then Throw New Exception("$$")
         ElseIf MaxVer < New Version(1, 8, 0, 321) Then
             JavaCode = 8
             If Not JavaDownloadConfirm("Java 8.0.320 或更低版本的 Java 8") Then Throw New Exception("$$")
@@ -1208,11 +1206,15 @@ SystemBrowser:
 
         '开始自动下载
         Dim JavaLoader = JavaFixLoaders(JavaCode)
-        JavaLoader.Start(JavaCode, IsForceRestart:=True)
-        Do While JavaLoader.State = LoadState.Loading AndAlso Not Task.IsAborted
-            Task.Progress = JavaLoader.Progress
-            Thread.Sleep(10)
-        Loop
+        Try
+            JavaLoader.Start(JavaCode, IsForceRestart:=True)
+            Do While JavaLoader.State = LoadState.Loading AndAlso Not Task.IsAborted
+                Task.Progress = JavaLoader.Progress
+                Thread.Sleep(10)
+            Loop
+        Finally
+            JavaLoader.Abort() '确保取消时中止 Java 下载
+        End Try
 
         '检查下载结果
         If JavaSearchLoader.State <> LoadState.Loading Then JavaSearchLoader.State = LoadState.Waiting '2872#

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

@@ -2001,7 +2001,7 @@ NextVersion:
             Result.Add(New NetFile(Urls.Distinct.ToArray, Token.LocalPath, Checker))
         Next
         '去重并返回
-        Return Distinct(Result, Function(a, b) a.LocalPath = b.LocalPath)
+        Return Result.Distinct(Function(a, b) a.LocalPath = b.LocalPath)
     End Function
     ''' <summary>
     ''' 获取对应的支持库文件地址。

Plain Craft Launcher 2/My Project/AssemblyInfo.vb

@@ -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("2.7.2.0")>
-<Assembly: AssemblyFileVersion("2.7.2.0")>
+<Assembly: AssemblyVersion("2.7.3.0")>
+<Assembly: AssemblyFileVersion("2.7.3.0")>
 <Assembly: NeutralResourcesLanguage("")>

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

@@ -389,10 +389,14 @@ Public Module ModDownloadLib
             If Not JavaDownloadConfirm("Java 8 或更高版本") Then Throw New Exception("由于未找到 Java，已取消安装。")
             '开始自动下载
             Dim JavaLoader = JavaFixLoaders(17)
-            JavaLoader.Start(17, IsForceRestart:=True)
-            Do While JavaLoader.State = LoadState.Loading AndAlso Not Task.IsAborted
-                Thread.Sleep(10)
-            Loop
+            Try
+                JavaLoader.Start(17, IsForceRestart:=True)
+                Do While JavaLoader.State = LoadState.Loading AndAlso Not Task.IsAborted
+                    Thread.Sleep(10)
+                Loop
+            Finally
+                JavaLoader.Abort() '确保取消时中止 Java 下载
+            End Try
             '检查下载结果
             Java = JavaSelect("已取消安装。", New Version(1, 8, 0, 0))
             If Task.IsAborted Then Exit Sub
@@ -1112,10 +1116,14 @@ Retry:
             If Not JavaDownloadConfirm("Java 8 或更高版本") Then Throw New Exception("由于未找到 Java，已取消安装。")
             '开始自动下载
             Dim JavaLoader = JavaFixLoaders(17)
-            JavaLoader.Start(17, IsForceRestart:=True)
-            Do While JavaLoader.State = LoadState.Loading AndAlso Not Task.IsAborted
-                Thread.Sleep(10)
-            Loop
+            Try
+                JavaLoader.Start(17, IsForceRestart:=True)
+                Do While JavaLoader.State = LoadState.Loading AndAlso Not Task.IsAborted
+                    Thread.Sleep(10)
+                Loop
+            Finally
+                JavaLoader.Abort() '确保取消时中止 Java 下载
+            End Try
             '检查下载结果
             Java = JavaSelect("已取消安装。", New Version(1, 8, 0, 60))
             If Task.IsAborted Then Exit Sub