diff --git a/nezha-fronted/src/permission.js b/nezha-fronted/src/permission.js
index 9f67a7941..88ae3cfd8 100644
--- a/nezha-fronted/src/permission.js
+++ b/nezha-fronted/src/permission.js
@@ -33,7 +33,7 @@ router.beforeEach((to, from, next) => {
             localStorage.setItem('nz-sys-timezone', res.data.timezone || '')
             localStorage.setItem('nz-sys-bgImg', res.data.system_bgImg || '')
             localStorage.setItem('nz-default-theme', res.data.theme || '')
-            localStorage.setItem('nz-default-dateFormat', res.data.dateFormat || '')
+            localStorage.setItem('nz-default-dateFormat', res.data.dateFormat || 'YYYY-MM-DD HH:mm:ss')
             changeFavicon(res.data.system_favicon)
           }
           resolve()