SZX-1335在线课考试显示不正常。

src/components/Course/exam.vue

@@ -132,6 +132,7 @@ import apiCourse from '@/api/modules/course.js';
 import apiExamPaper from '@/api/modules/paper.js';
 import {formatDate,formatSeconds} from '@/utils/datetime.js';
 import {testType,correctJudgment,numberToLetter} from '@/utils/tools.js';
+import { safeJsonParse } from '@/utils/index.js';
 export default {
   props:{
       studyId: {
@@ -216,8 +217,12 @@ export default {
         apiCourse.getExam(this.content.id).then(res=>{
            if(res.status==200){
                this.info=res.result;
-               if(this.showTest) {
-                      let paper= JSON.parse(this.info.paperContent);
+                if(this.showTest) {
+                      let paper = safeJsonParse(this.info.paperContent, { items: [] });
+                      if(!paper.items || paper.items.length === 0){
+                        this.viewTest = [];
+                        return;
+                      }
                       paper.items.forEach(item=>{
                         //console.log(item);
                         if(item.type==101){