diff --git a/Plain Craft Launcher 2/Modules/Base/ModBase.vb b/Plain Craft Launcher 2/Modules/Base/ModBase.vb
index b2bf0233..e35880fc 100644
--- a/Plain Craft Launcher 2/Modules/Base/ModBase.vb	
+++ b/Plain Craft Launcher 2/Modules/Base/ModBase.vb	
@@ -1975,12 +1975,13 @@ RetryDir:
     End Function
 
     ''' <summary>
-    ''' 判断当前系统语言是否为中文。
+    ''' 判断当前系统语言是否为中文（中国大陆）。
     ''' </summary>
     Public Function IsSystemLanguageChinese() As Boolean
-        Return CultureInfo.CurrentCulture.TwoLetterISOLanguageName = "zh" OrElse CultureInfo.CurrentUICulture.TwoLetterISOLanguageName = "zh"
+        Return CultureInfo.CurrentCulture.Name = "zh-CN" OrElse CultureInfo.CurrentUICulture.Name = "zh-CN"
     End Function
 
+
     Private Uuid As Integer = 1
     Private UuidLock As Object
     ''' <summary>
@@ -2864,4 +2865,4 @@ Retry:
 
 #End Region
 
-End Module
\ No newline at end of file
+End Module