diff --git a/packages/fes-plugin-locale/src/runtime/core.tpl b/packages/fes-plugin-locale/src/runtime/core.tpl
index 6fa1216d..232acc8c 100644
--- a/packages/fes-plugin-locale/src/runtime/core.tpl
+++ b/packages/fes-plugin-locale/src/runtime/core.tpl
@@ -35,7 +35,10 @@ const getDefaultLocale = () => {
             fallbackLocale: window.navigator.language,
         };
     }
-    return {};
+    return {
+        locale: 'zh-CN',
+        fallbackLocale: 'zh-CN',
+    };
 };
 
 const messages = {};