解决在线巡考实时监控台视频与名称对不上

src/features/invigilation/ExamInvigilation/ExamInvigilation.vue

@@ -235,8 +235,8 @@
     <div class="invigilation-list">
       <h3>实时监控台</h3>
       <invigilation-student
-        v-for="(item, index) in students"
-        :key="index"
+        v-for="item in students"
+        :key="item.examStudentId"
         :data="item"
       ></invigilation-student>
     </div>