diff --git a/src/pages/qumu/index.vue b/src/pages/qumu/index.vue
index 0ded48e..cee5765 100644
--- a/src/pages/qumu/index.vue
+++ b/src/pages/qumu/index.vue
@@ -88,7 +88,12 @@ export default defineComponent({
     };
 
     const dataset = computed(() => {
-      return store.list.filter(x => (!x.created_by || x.created_by === usingUser.store.current.hty_id) && (!state.keyword || x.course_name.includes(state.keyword)));
+      const courseList = Array.isArray(store.list) ? store.list : [];
+      return courseList.filter(
+        (courseItem) =>
+          (!courseItem.created_by || courseItem.created_by === usingUser.store.current.hty_id) &&
+          (!state.keyword || courseItem.course_name.includes(state.keyword))
+      );
     })
 
     const add = () => {
diff --git a/src/store/qumu.ts b/src/store/qumu.ts
index cf9dc2b..0dfd6c2 100644
--- a/src/store/qumu.ts
+++ b/src/store/qumu.ts
@@ -21,7 +21,10 @@ export default function useCourse() {
         const {r, d, e} = await request({url: '/api/v1/ws/find_all_courses'});
         load_done()
         if (r) {
-            state.list = d;
+            state.list = Array.isArray(d) ? d : [];
+            if (!Array.isArray(d)) {
+                showFailToast('课程数据格式异常，已自动回退为空列表');
+            }
         } else {
             showFailToast(e);
         }