diff --git a/src/renderer/src/layout/components/Header.vue b/src/renderer/src/layout/components/Header.vue
index 2f9b859..de4788c 100644
--- a/src/renderer/src/layout/components/Header.vue
+++ b/src/renderer/src/layout/components/Header.vue
@@ -190,7 +190,7 @@ const changeSubject = async (command) =>{
     edusubject:  command.edusubject
   }
   await updateUserInfo(data)
-  await userStore.login({username: phonenumber, password: plainpwd})
+  await userStore.login({username: phonenumber ? phonenumber :  userName, password: plainpwd})
   await userStore.getInfo()
   router.go()
 }