正在打开摄像头占位

src/features/OnlineExam/Examing/ExamingHome.vue

@@ -29,6 +29,15 @@
           :show-recognize-button="false"
         />
       </div>
+      <div v-if="faceEnable && !startVideoAfterDelay" class="camera">
+        <div
+          style="width: 400px; height: 300px; border: 1px solid lightgrey; display: flex; align-items: center; justify-content: center;"
+        >
+          <div>
+            正在打开摄像头...
+          </div>
+        </div>
+      </div>
     </div>
     <Modal
       v-model="showFaceId"