fix(ModLaunch): 启动脚本乱码

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

@@ -2098,7 +2098,7 @@ IgnoreCustomSkin:
                 "echo 游戏已退出。" & vbCrLf &
                 "pause"
             WriteFile(If(CurrentLaunchOptions.SaveBatch, Path & "PCL\LatestLaunch.bat"), SecretFilter(CmdString, "F"),
-                      Encoding:=If(Encoding.Default.Equals(Encoding.UTF8), Encoding.UTF8, Encoding.GetEncoding("GB18030")))
+                      Encoding:=If(McLaunchJavaSelected.VersionCode > 8, Encoding.UTF8, Encoding.Default))
             If CurrentLaunchOptions.SaveBatch IsNot Nothing Then
                 McLaunchLog("导出启动脚本完成，强制结束启动过程")
                 AbortHint = "导出启动脚本成功！"