bug fix

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

@@ -158,7 +158,12 @@ export default {
         }
       }
       if (this.checkAnswerFormatValid(quesAnswer)) {
-        this.modalForm.quesAnswer = quesAnswer;
+        if (this.IS_SIMPLE) {
+          this.modalForm.quesAnswer =
+            quesAnswer.length === 1 ? [quesAnswer[0]] : [];
+        } else {
+          this.modalForm.quesAnswer = quesAnswer.length >= 2 ? quesAnswer : [];
+        }
       } else {
         this.modalForm.quesAnswer = [];
       }