bug fix

src/modules/question/components/import-edit/FillBlankQuestion.vue

@@ -83,6 +83,7 @@ export default {
     ...mapMutations("import-edit", ["setCurQuestion"]),
     initData() {
       this.modalForm = this.$objAssign(getInitQuestionModel(), this.question);
+      this.modalForm.quesAnswer = [];
       const quesAnswer = this.initAnswer(this.question.quesAnswer);
 
       if (!this.question.body || !this.question.body.sections) return;