Encoding Fixed

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

@@ -838,16 +838,16 @@ Public Module ModBase
         '确保目录存在
         Directory.CreateDirectory(GetPathFromFullPath(FilePath))
         '写入文件
-        If File.Exists(FilePath) Then
-            '如果文件存在，刷新目前文件
-            Using writer As New StreamWriter(FilePath, Append, If(Encoding, GetEncoding(ReadFileBytes(FilePath))))
+        If Append Then
+            '追加目前文件
+            Using writer As New StreamWriter(FilePath, True, If(Encoding, GetEncoding(ReadFileBytes(FilePath))))
                 writer.Write(Text)
                 writer.Flush()
                 writer.Close()
             End Using
         Else
-            '如果文件不存在，则新建并写入
-            File.WriteAllText(FilePath, Text, If(Encoding, New UTF8Encoding(False)))
+            '直接写入字节集
+            File.WriteAllBytes(FilePath, If(Encoding Is Nothing, Encoding.UTF8.GetBytes(Text), Encoding.GetBytes(Text)))
         End If
     End Sub
     ''' <summary>

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

@@ -1317,14 +1317,15 @@ Retry:
         McLaunchLog("开始获取 Minecraft 启动参数")
         '获取基准字符串与参数信息
         Dim Arguments As String
+        Arguments = If(McLaunchJavaSelected.VersionCode > 8, "-Dfile.encoding=UTF-8 -Dstdout.encoding=UTF-8 -Dstderr.encoding=UTF-8", Nothing) '#4700
         If McVersionCurrent.JsonObject("arguments") IsNot Nothing AndAlso McVersionCurrent.JsonObject("arguments")("jvm") IsNot Nothing Then
             McLaunchLog("获取新版 JVM 参数")
-            Arguments = McLaunchArgumentsJvmNew(McVersionCurrent)
+            Arguments += " " & McLaunchArgumentsJvmNew(McVersionCurrent)
             McLaunchLog("新版 JVM 参数获取成功：")
             McLaunchLog(Arguments)
         Else
             McLaunchLog("获取旧版 JVM 参数")
-            Arguments = McLaunchArgumentsJvmOld(McVersionCurrent)
+            Arguments += " " & McLaunchArgumentsJvmOld(McVersionCurrent)
             McLaunchLog("旧版 JVM 参数获取成功：")
             McLaunchLog(Arguments)
         End If
@@ -2050,6 +2051,7 @@ IgnoreCustomSkin:
         '输出 bat
         Try
             Dim CmdString As String =
+                $"{If(McLaunchJavaSelected.VersionCode > 8, "chcp 65001>nul" & vbCrLf, Nothing)}" &
                 "@echo off" & vbCrLf &
                 "title 启动 - " & McVersionCurrent.Name & vbCrLf &
                 "echo 游戏正在启动，请稍候。" & vbCrLf &
@@ -2142,8 +2144,8 @@ IgnoreCustomSkin:
         StartInfo.EnvironmentVariables("Path") = Join(Paths.Distinct.ToList, ";")
 
         '设置其他参数
-        StartInfo.StandardErrorEncoding = Encoding.UTF8
-        StartInfo.StandardOutputEncoding = Encoding.UTF8
+        StartInfo.StandardErrorEncoding = If(McLaunchJavaSelected.VersionCode > 8, Encoding.UTF8, Nothing)
+        StartInfo.StandardOutputEncoding = If(McLaunchJavaSelected.VersionCode > 8, Encoding.UTF8, Nothing)
         StartInfo.WorkingDirectory = ShortenPath(McVersionCurrent.PathIndie)
         StartInfo.UseShellExecute = False
         StartInfo.RedirectStandardOutput = True