fix 欢迎提示

src/features/OnlineExam/OnlineExamHome.vue

@@ -95,7 +95,7 @@ export default {
   beforeMount() {
     this.$nextTick(() => {
       if (
-        this.previousUrl.startsWith("/login/") &&
+        (this.previousUrl.startsWith("/login/") || this.previousUrl === "/") &&
         process.env.NODE_ENV !== "development"
       ) {
         this.$Modal.info({