修复类型错误

src/views/driverExam/index.vue

@@ -155,7 +155,7 @@
               switchIndexByJudge(_index)
             }}</span>
             <span v-if="list[listIndex].questionType !== 1">{{
-              switchIndexBySelect(_index)
+                 (_index)
             }}</span>
           </div>
           <!-- <div class="w46 lh46 h46 answer-select font20 font-bold flex-grow-0">