md

src/features/examwork/StudentExamDetail/PreviewPaperDialog.vue

@@ -234,6 +234,7 @@ export default {
       this.paperStruct = studentPaperStructJson;
     },
     transformRichJson(richJson) {
+      if (!richJson || !richJson.sections) return [];
       let contents = [];
       let curBlock = [];
       const checkNeedSplitSection = (block) => {