diff --git a/src/store/qumu-section.ts b/src/store/qumu-section.ts
index 6f772b6..41d1b38 100644
--- a/src/store/qumu-section.ts
+++ b/src/store/qumu-section.ts
@@ -68,6 +68,37 @@ export default function useCourseSection(router?: Router) {
     const {get_resource_note_group} = useComment()
     const usingUser = useUser();
 
+    function normalizeCourseSectionPagedPayload(payload: unknown, scene: string): [CourseSection[], number, number] {
+        if (Array.isArray(payload) && payload.length >= 3 && Array.isArray(payload[0])) {
+            return [payload[0] as CourseSection[], Number(payload[1]) || 0, Number(payload[2]) || 0];
+        }
+        const debugInfo = {
+            scene,
+            payload_type: Object.prototype.toString.call(payload),
+            is_array: Array.isArray(payload),
+            timestamp: new Date().toISOString(),
+        };
+        console.warn("[CourseSectionPayloadDebug]", debugInfo, payload);
+        window.localStorage.setItem("CourseSectionPayloadDebug", JSON.stringify(debugInfo));
+        showFailToast("课程列表数据格式异常，已回退为空列表");
+        return [[], 0, 0];
+    }
+
+    function normalizeCourseSectionListPayload(payload: unknown, scene: string): CourseSection[] {
+        if (Array.isArray(payload)) {
+            return payload as CourseSection[];
+        }
+        const debugInfo = {
+            scene,
+            payload_type: Object.prototype.toString.call(payload),
+            is_array: Array.isArray(payload),
+            timestamp: new Date().toISOString(),
+        };
+        console.warn("[CourseSectionPayloadDebug]", debugInfo, payload);
+        window.localStorage.setItem("CourseSectionPayloadDebug", JSON.stringify(debugInfo));
+        return [];
+    }
+
     async function query(params: CourseQueryParam, key: "mine" | "assigned"): Promise<boolean> {
         load_start()
         let {hty_id} = usingUser.store.current;
@@ -82,7 +113,7 @@ export default function useCourseSection(router?: Router) {
             if (params.page === 1) {
                 temp.list = [];
             }
-            let [list, pages, total] = d;
+            let [list, pages, total] = normalizeCourseSectionPagedPayload(d, `query_${key}`);
             temp.list = [...temp.list, ...list];
             temp.total = total;
             temp.pages = pages;
@@ -133,7 +164,7 @@ export default function useCourseSection(router?: Router) {
 
         if (r) {
             store.current = d;
-            d.resources = d.resources || [];
+            d.resources = Array.isArray(d.resources) ? d.resources : [];
             check_resources_task(d.resources)
             if (editing) {
                 let qupu_resource = d.resources?.find((r: RefResource) => r.ref_type === RefTypes.CourseSection && r.resource_type === RefResourceTypes.Picture);
@@ -159,7 +190,7 @@ export default function useCourseSection(router?: Router) {
             });
             if (r) {
                 load_done();
-                return d;
+                return normalizeCourseSectionListPayload(d, "query_by_ids");
             }
             console.log(e)
         } catch (e) {