call MathJax in setTimeout

src/api/webApi/webVideo.js

@@ -135,6 +135,7 @@ export function getAiSubjectPapers(params) {
     params
   })
 }
+
 export function collectVideoCourse(params) {
   return request({
     url: 'front/videoCourse/video/collectVideoCourse',

src/views/questioncenter/PaperPreview.vue

@@ -109,7 +109,7 @@ export default {
     getOptics() {
       preview({ paperId: this.paperId }).then((res) => {
         this.opticList = res.data
-        this.$nextTick(_ => this.mxGlobal.MathQueue('question_list'))
+        setTimeout(_ => this.mxGlobal.MathQueue('question_list'))
       })
     },
     async handleParseVisible(item) {