diff --git a/src/views/DataCollect/Channel/Save/index.vue b/src/views/DataCollect/Channel/Save/index.vue
index 8df8372f0..f063a70de 100644
--- a/src/views/DataCollect/Channel/Save/index.vue
+++ b/src/views/DataCollect/Channel/Save/index.vue
@@ -227,6 +227,7 @@
                         v-model:value="formData.configuration.overIp.subnetAddress"
                         style="width: 100%"
                         placeholder="请输入子网地址"
+                        @change="changeSubnetAddress"
                     />
                 </a-form-item>
                 <a-form-item
@@ -405,6 +406,13 @@ const getCertificateList = async () => {
     }
 };
 
+// 子网地址长度为0时，设置为undefined
+const changeSubnetAddress = (val: Event) => {
+    if(!val?.target?.value) {
+        formData.value.configuration.overIp.subnetAddress = undefined
+    }
+}
+
 const getProvidersList = async () => {
     const resp: any = await getProviders();
     if (resp.status === 200) {
diff --git a/src/views/media/SplitScreen/tree.vue b/src/views/media/SplitScreen/tree.vue
index 055e97079..bf8c68c1c 100644
--- a/src/views/media/SplitScreen/tree.vue
+++ b/src/views/media/SplitScreen/tree.vue
@@ -198,12 +198,12 @@ const getChildren = (node: any): Promise<any> => {
     await getChannelChildren(node.key, node._type === 'catalog' ? node.deviceId : node.key, {
       pageIndex: 0,
       pageSize: 100,
-      terms: [
+      terms: node._type === 'catalog' ? [
         {
           column: "parentId",
           value: node._type === 'catalog' ? node.id : node.deviceId
         }
-      ]
+      ] : []
     })
     resolve(true)
   });