Merge pull request #4143 from Mxmilu666/main

Fix #3819 #4151

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

@@ -71,9 +71,9 @@
     End Sub
     Private Sub Btn_Click(sender As Object, e As EventArgs) Handles BtnLink.Click
         If BtnLink.Content = "注册账号" Then
-            OpenWebsite(If(McVersionCurrent Is Nothing, Setup.Get("VersionServerAuthRegister", Version:=McVersionCurrent), Setup.Get("CacheAuthServerRegister")))
+            OpenWebsite(If(McVersionCurrent IsNot Nothing, Setup.Get("VersionServerAuthRegister", Version:=McVersionCurrent), Setup.Get("CacheAuthServerRegister")))
         Else
-            Dim Website As String = If(McVersionCurrent Is Nothing, Setup.Get("VersionServerAuthRegister", Version:=McVersionCurrent), Setup.Get("CacheAuthServerRegister"))
+            Dim Website As String = If(McVersionCurrent IsNot Nothing, Setup.Get("VersionServerAuthRegister", Version:=McVersionCurrent), Setup.Get("CacheAuthServerRegister"))
             OpenWebsite(Website.Replace("/auth/register", "/auth/forgot"))
         End If
     End Sub

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

@@ -226,4 +226,4 @@
             </local:MyCard>
         </StackPanel>
     </local:MyScrollViewer>
-</local:MyPageRight>
+</local:MyPageRight>