上传资源（视频）后，生存对应的节

src/components/education/custom-resource/edit-course-dialog.vue

@@ -725,8 +725,11 @@ export default {
     },
 
     // 删除本节视频
-    // TODO 要将删除的节ID放在删除的节里
     deleteLecture(index) {
+      let lectureId = this.formData.courseCustomChapterModels[0].courseCustomLectureModelList[index].id;
+      if(lectureId) {
+        this.deleteCustomLectureIds.push(lectureId);
+      }
       this.formData.courseCustomChapterModels[0].courseCustomLectureModelList.splice(index, 1);
     },