活检信息获取失败，关闭摄像头

src/features/OnlineExam/Examing/FaceMotion/FaceMotion.vue

@@ -328,6 +328,7 @@ export default {
           duration: 15,
           closable: true,
         });
+        this.closeMe();
         this.logout("?LogoutReason=获取活体检测信息失败");
         return;
       }