diff --git a/src/views/courselibrary/CoursewareManage.vue b/src/views/courselibrary/CoursewareManage.vue
index a52c1421..dc7a8757 100644
--- a/src/views/courselibrary/CoursewareManage.vue
+++ b/src/views/courselibrary/CoursewareManage.vue
@@ -3465,6 +3465,7 @@ export default defineComponent({
     const options4CurId = ref("");
     const options4CurName = ref("张");
     const of_hShow = () => {
+      state.offcourseId = '';
       getTea();
       if (state.of_hs == false) {
         state.of_hs = true;