fix

src/modules/portal/views/home/Home.vue

@@ -350,7 +350,7 @@ export default {
       if ("cas" == this.user.from) {
         var schoolCode = window.location.hostname.split(".")[0];
         this.$http
-          .get("https://auth.exam-cloud.cn/api/open/auth/logout/" + schoolCode)
+          .get("https://www.exam-cloud.cn/api/auth/logout/" + schoolCode)
           .then(() => {
             this.USER_SIGNOUT();
           })