perf: cmera manage add not found data

@@ -2,7 +2,7 @@
   import { PageWrapper } from '/@/components/Page';
   import OrganizationIdTree from '../../common/organizationIdTree/src/OrganizationIdTree.vue';
   import { computed, onMounted, reactive, ref, unref, watch } from 'vue';
-  import { Tabs, Row, Col, Spin, Button, Pagination } from 'ant-design-vue';
+  import { Tabs, Row, Col, Spin, Button, Pagination, Empty } from 'ant-design-vue';
   import { cameraPage } from '/@/api/camera/cameraManager';
   import { CameraRecord } from '/@/api/camera/model/cameraModel';
   import { videoPlay as VideoPlay } from 'vue3-video-play'; // 引入组件
@@ -177,6 +177,10 @@
         </div>
         <section ref="videoContainer" class="bg-light-50 flex-auto">
           <Spin :spinning="loading" class="h-full">
+            <Empty
+              class="h-full flex flex-col justify-center items-center"
+              v-if="!cameraList.length"
+            />
             <Row :gutter="16" class="h-full mx-0">
               <Col
                 v-for="item in cameraList"