diff --git a/frontend/src/store/modules/lang.js b/frontend/src/store/modules/lang.js
index b1e57a04..dc6b8d18 100644
--- a/frontend/src/store/modules/lang.js
+++ b/frontend/src/store/modules/lang.js
@@ -1,5 +1,5 @@
 const state = {
-  lang: window.localStorage.getItem('lang') || 'en'
+  lang: window.localStorage.getItem('lang') || 'zh'
 }
 
 const getters = {