diff --git a/packages/fes-plugin-locale/src/runtime/core.tpl b/packages/fes-plugin-locale/src/runtime/core.tpl
index 3372a7ef..6fa1216d 100644
--- a/packages/fes-plugin-locale/src/runtime/core.tpl
+++ b/packages/fes-plugin-locale/src/runtime/core.tpl
@@ -52,21 +52,21 @@ const i18n = createI18n({
 });
 
 window.localStorage.setItem("fes_locale", i18n.global.locale);
-const setLocale = ({ lang }) => {
+const setLocale = ({ locale }) => {
     if (isRef(i18n.global.locale)) {
-        i18n.global.locale.value = lang;
+        i18n.global.locale.value = locale;
     } else {
-        i18n.global.locale = lang;
+        i18n.global.locale = locale;
     }
-    window.localStorage.setItem("fes_locale", lang);
+    window.localStorage.setItem("fes_locale", locale);
 };
 
-const addLocale = ({ lang, messages }) => {
-    messages[lang] = messages;
+const addLocale = ({ locale, messages }) => {
+    messages[locale] = messages;
     if (isRef(i18n.global.messages)) {
-        i18n.global.messages.value[lang] = messages;
+        i18n.global.messages.value[locale] = messages;
     } else {
-        i18n.global.messages[lang] = messages;
+        i18n.global.messages[locale] = messages;
     }
 };
 
diff --git a/packages/fes-template/src/pages/index.vue b/packages/fes-template/src/pages/index.vue
index 6a282adc..ae769050 100644
--- a/packages/fes-template/src/pages/index.vue
+++ b/packages/fes-template/src/pages/index.vue
@@ -78,8 +78,8 @@ export default {
         onMounted(() => {
             console.log(router);
             setTimeout(() => {
-                locale.setLocale({ lang: 'en-US' });
-                locale.addLocale({ lang: 'ja-JP', messages: { test: 'テスト' } });
+                locale.setLocale({ locale: 'en-US' });
+                locale.addLocale({ locale: 'ja-JP', messages: { test: 'テスト' } });
                 console.log(locale.getAllLocales());
             }, 2000);
             setTimeout(() => {