bug fix

components/buttonLogin.vue

@@ -4,7 +4,7 @@
 </template>
 
 <script>
-import { getStorage, setStorage, storageKey, getOauthUrl, jumpUrl } from '../utils/help';
+import { getStorage, setStorage, removeStorage, storageKey, getOauthUrl, jumpUrl } from '../utils/help';
 import { postRequest } from '../http';
 
 export default {