修改默认值

src/views/course-detail.vue

@@ -149,11 +149,11 @@ export default {
     if (token && !info.id) {
       this.$store.dispatch('getUserInfo');
     }
-    // this.projectId = sessionStorage.getItem('projectId');
-    // if (!this.projectId) {
-    //   this.$router.replace('/not-found');
-    //   return;
-    // }
+    this.projectId = sessionStorage.getItem('projectId');
+    if (!this.projectId) {
+      this.$router.replace('/not-found');
+      return;
+    }
     this.getCourseInfo();
     this.getCourseQas();
     const { height } = this.$el.querySelector('.video-box').getBoundingClientRect();