diff --git a/src/routes/settings.tsx b/src/routes/settings.tsx
index 20371c4..d1f1eeb 100644
--- a/src/routes/settings.tsx
+++ b/src/routes/settings.tsx
@@ -105,12 +105,12 @@ export default function SettingsPage() {
             if (e instanceof Error) setError(e);
             return;
         } finally {
-            toast(t("Success"));
             if (values.language != "auto") {
-                i18n.changeLanguage(values.language)
+                i18n.changeLanguage(values.language);
             } else {
                 i18n.changeLanguage(i18n.services.languageDetector.detect());
             }
+            toast(t("Success"));
         }
     };
 
diff --git a/src/types/settings.ts b/src/types/settings.ts
index d8a275c..6273054 100644
--- a/src/types/settings.ts
+++ b/src/types/settings.ts
@@ -6,9 +6,9 @@ export const settingCoverageTypes: Record<number, string> = {
 
 export const nezhaLang: Record<string, string> = {
     "auto": i18next.t("Auto"),
-    "zh_CN": "简体中文（中国大陆）",
-    "zh_TW": "正體中文（台灣）",
-    "en_US": "English",
+    "zh-CN": "简体中文（中国大陆）",
+    "zh-TW": "正體中文（台灣）",
+    "en-US": "English",
 }
 
 export const wafBlockReasons: Record<number, string> = {