diff --git a/packages/fes-plugin-locale/src/runtime/core.js.tpl b/packages/fes-plugin-locale/src/runtime/core.js.tpl
index 42fd1708..5e662d9d 100644
--- a/packages/fes-plugin-locale/src/runtime/core.js.tpl
+++ b/packages/fes-plugin-locale/src/runtime/core.js.tpl
@@ -80,9 +80,7 @@ const install = (app) => {
     app.use(i18n);
 };
 
-const t = (key) => {
-    return i18n.global.t(key)
-}
+const t = i18n.global.t;
 
 const locale = {
     setLocale,
diff --git a/packages/fes-plugin-locale/types.d.ts b/packages/fes-plugin-locale/types.d.ts
index b72dc316..62b4917c 100644
--- a/packages/fes-plugin-locale/types.d.ts
+++ b/packages/fes-plugin-locale/types.d.ts
@@ -1,3 +1,5 @@
+import type { VueI18n } from 'vue-i18n';
+
 export { useI18n } from 'vue-i18n';
 
 export const locale: {
@@ -5,6 +7,7 @@ export const locale: {
     addLocale: ({ locale, messages }: { locale: string; messages: object }) => void;
     getAllLocales: () => string[];
     messages: Record<string, object>;
+    t: VueI18n['t'];
 };
 
 declare module '@fesjs/fes' {