diff --git a/Common/Flag.go b/Common/Flag.go
index 69c8b3c..54df9f5 100644
--- a/Common/Flag.go
+++ b/Common/Flag.go
@@ -130,7 +130,7 @@ func Flag(Info *HostInfo) {
 	flag.StringVar(&LogLevel, "log", LogLevelSuccess, GetText("flag_log_level"))
 	flag.BoolVar(&ShowProgress, "pg", false, GetText("flag_show_progress"))
 
-	flag.StringVar(&Language, "lang", "en", GetText("flag_language"))
+	flag.StringVar(&Language, "lang", "zh", GetText("flag_language"))
 
 	flag.Parse()