更新

src/views/natural-resources/components/share-resources/search-group-resources.tsx

@@ -102,6 +102,8 @@ export default defineComponent({
           if (state.musicCategory.length > 0) {
             forms.musicSheetCategoriesId = state.musicCategory[0].id;
           }
+        } else {
+          state.musicCategory = [] as any;
         }
       } else if (type === 'grade') {
         state.musicCategory = list || [];

src/views/prepare-lessons/model/select-music/select-item/search-group.tsx

@@ -113,6 +113,8 @@ export default defineComponent({
           if (state.musicCategory.length > 0) {
             forms.musicSheetCategoriesId = state.musicCategory[0].id;
           }
+        } else {
+          state.musicCategory = [] as any;
         }
       } else if (type === 'grade') {
         state.musicCategory = list || [];