fix: 修正对象显示问题

src/views/quiz/DoRecommendQuestion.vue

@@ -83,6 +83,8 @@ export default {
   },
   methods: {
     getQuestions () {
+      this.questions = null
+      this.interactiveMap = null
       getRecommendationQuestions({ questionNum: 1 })
         .then(res => {
           this.questions = res.map(question => ({