diff --git a/sgzb-ui/src/store/modules/user.js b/sgzb-ui/src/store/modules/user.js
index 6171b8ca..c263f9a1 100644
--- a/sgzb-ui/src/store/modules/user.js
+++ b/sgzb-ui/src/store/modules/user.js
@@ -54,7 +54,7 @@ const user = {
       return new Promise((resolve, reject) => {
         login(username, password, code, uuid, textCode).then(res => {
           let data = res.data
-          localStorage.setItem('isCode', res.data.code)
+          localStorage.setItem('isCode', res.data.code || '')
           setToken(data.access_token)
           commit('SET_TOKEN', data.access_token)
           localStorage.setItem('token', data.access_token)
@@ -157,6 +157,7 @@ const user = {
           commit('SET_TOKEN', '')
           commit('SET_ROLES', [])
           commit('SET_PERMISSIONS', [])
+          localStorage.removeItem('isCode')
           removeToken()
           resolve()
         }).catch(error => {