fix: 查询设备树，在查询结果页面上删除一条数据后，页面数据

src/views/iot/device-tree/tree/index.vue

@@ -325,6 +325,7 @@ export default defineComponent({
             .then(() => {
               api.tree.delete({ id: data.infoId }).then(() => {
                 ElMessage.success('删除成功');
+                state.searchVal = ''
                 getTreeList();
               });
             })