diff --git a/web/service/setting.go b/web/service/setting.go
index a54eaea7..b51daecd 100644
--- a/web/service/setting.go
+++ b/web/service/setting.go
@@ -47,7 +47,7 @@ var defaultValueMap = map[string]string{
 	"tgBotBackup":                 "false",
 	"tgBotLoginNotify":            "true",
 	"tgCpu":                       "80",
-	"tgLang":                      "en-US",
+	"tgLang":                      "zh-CN",
 	"twoFactorEnable":             "false",
 	"twoFactorToken":              "",
 	"subEnable":                   "false",