diff --git a/src/api/collection/videoPlatform.ts b/src/api/collection/videoPlatform.ts
index 08b7a7d..33fad1e 100644
--- a/src/api/collection/videoPlatform.ts
+++ b/src/api/collection/videoPlatform.ts
@@ -77,6 +77,11 @@ export interface PlatformDeviceDifferenceAction {
     deviceCodes?: string[];
 }
 
+/** 通道差异处理参数；编码为空时处理当前全部同类差异 */
+export interface PlatformChannelDifferenceAction {
+    channelCodes?: string[];
+}
+
 export function getStatus() {
     return request({
         url: "/admin/third/platform/status",
@@ -126,3 +131,27 @@ export function deleteLocalExtraDevices(data: PlatformDeviceDifferenceAction = {
         timeout: 300000,
     });
 }
+
+/**
+ * 将 ICC 存在但本地缺少的通道同步到本地
+ */
+export function syncMissingChannels(data: PlatformChannelDifferenceAction = {}) {
+    return request({
+        url: "/admin/third/platform/channel/sync-missing",
+        method: "post",
+        data,
+        timeout: 300000,
+    });
+}
+
+/**
+ * 删除经 ICC 实时复核后仍属于本地多余的同步通道
+ */
+export function deleteLocalExtraChannels(data: PlatformChannelDifferenceAction = {}) {
+    return request({
+        url: "/admin/third/platform/channel/local-extra",
+        method: "delete",
+        data,
+        timeout: 300000,
+    });
+}
diff --git a/src/views/collection/video/components/platform-resource-dialog.vue b/src/views/collection/video/components/platform-resource-dialog.vue
index 2d114ff..8992ff4 100644
--- a/src/views/collection/video/components/platform-resource-dialog.vue
+++ b/src/views/collection/video/components/platform-resource-dialog.vue
@@ -24,22 +24,22 @@
             <el-alert v-if="isDifferenceView" class="difference-alert" :type="differenceAlertType"
                 :closable="false" show-icon :title="differenceConclusion" />
 
-            <!-- 设备差异支持批量修复，也保留表格逐条处理入口。 -->
-            <section v-if="isDeviceDifferenceView" class="difference-actions" aria-label="设备差异处理">
+            <!-- 设备和通道差异均支持批量修复，也保留表格逐条处理入口。 -->
+            <section v-if="isActionableDifferenceView" class="difference-actions" :aria-label="`${resourceLabel}差异处理`">
                 <div class="difference-actions__description">
-                    <strong>快速处理设备差异</strong>
-                    <span>操作前会重新读取 ICC 并复核设备编码，已变化的数据会自动跳过。</span>
+                    <strong>快速处理{{ resourceLabel }}差异</strong>
+                    <span>操作前会重新读取 ICC 并复核{{ resourceLabel }}编码，已变化的数据会自动跳过。</span>
                 </div>
                 <div class="difference-actions__buttons">
                     <el-button type="primary" icon="RefreshRight" :loading="state.actionKey === 'SYNC_ALL'"
                         :disabled="actionBusy || state.result.remoteOnlyCount === 0"
                         v-auth="'admin_deviceManage_edit'" @click="handleDifferenceAction('SYNC')">
-                        同步本地缺少设备（{{ state.result.remoteOnlyCount }}）
+                        同步本地缺少{{ resourceLabel }}（{{ state.result.remoteOnlyCount }}）
                     </el-button>
                     <el-button type="danger" plain icon="Delete" :loading="state.actionKey === 'DELETE_ALL'"
                         :disabled="actionBusy || state.result.localOnlyCount === 0"
                         v-auth="'admin_deviceManage_del'" @click="handleDifferenceAction('DELETE')">
-                        删除本地多余设备（{{ state.result.localOnlyCount }}）
+                        删除本地多余{{ resourceLabel }}（{{ state.result.localOnlyCount }}）
                     </el-button>
                 </div>
             </section>
@@ -64,7 +64,7 @@
                 </template>
             </el-alert>
 
-            <el-table v-else :data="state.result.records" border :height="isDeviceDifferenceView ? 360 : 430"
+            <el-table v-else :data="state.result.records" border :height="isActionableDifferenceView ? 360 : 430"
                 empty-text="暂无明细数据"
                 row-key="code">
                 <el-table-column v-if="isDifferenceView" label="差异结论" width="190" fixed="left">
@@ -117,7 +117,7 @@
                         <span v-else>-</span>
                     </template>
                 </el-table-column>
-                <el-table-column v-if="isDeviceDifferenceView" label="操作" width="104" align="center"
+                <el-table-column v-if="isActionableDifferenceView" label="操作" width="104" align="center"
                     fixed="right">
                     <template #default="{ row }">
                         <el-button v-if="row.differenceType === 'REMOTE_ONLY'" type="primary" link
@@ -171,7 +171,7 @@ const emptyResult = (): PlatformDetailResult => ({
 });
 
 const emit = defineEmits<{
-    /** 设备差异处理完成后通知主页面刷新统计。 */
+    /** 资源差异处理完成后通知主页面刷新统计。 */
     (event: "changed"): void;
 }>();
 
@@ -192,7 +192,8 @@ const state = reactive({
 
 const isDevice = computed(() => state.query.resourceType === "DEVICE");
 const isDifferenceView = computed(() => state.query.viewType === "DIFFERENCE");
-const isDeviceDifferenceView = computed(() => isDevice.value && isDifferenceView.value);
+const isActionableDifferenceView = computed(() => isDifferenceView.value);
+const resourceLabel = computed(() => isDevice.value ? "设备" : "通道");
 const actionBusy = computed(() => Boolean(state.actionKey));
 
 // 兼容旧服务未完整返回 total 的情况，差异页可由双方独有数量准确计算总数。
@@ -260,7 +261,7 @@ const handleSizeChange = () => {
 };
 
 /**
- * 同步 ICC 独有设备或删除本地独有设备，编码为空时处理当前全部同类差异
+ * 同步 ICC 独有资源或删除本地独有资源，编码为空时处理当前全部同类差异
  */
 const handleDifferenceAction = async (action: "SYNC" | "DELETE", code?: string) => {
     const isSync = action === "SYNC";
@@ -268,20 +269,30 @@ const handleDifferenceAction = async (action: "SYNC" | "DELETE", code?: string)
         ? 1
         : isSync ? state.result.remoteOnlyCount : state.result.localOnlyCount;
     const actionText = isSync ? "同步" : "删除";
-    const targetText = isSync ? "本地缺少设备" : "本地多余设备及其通道";
+    const targetText = isSync
+        ? `本地缺少${resourceLabel.value}`
+        : isDevice.value ? "本地多余设备及其通道" : "本地多余通道";
     try {
-        await useMessageBox().confirm(`确认${actionText}${code ? `设备 ${code}` : `全部 ${count} 条${targetText}`}？`);
+        await useMessageBox().confirm(`确认${actionText}${code ? `${resourceLabel.value} ${code}` : `全部 ${count} 条${targetText}`}？`);
     } catch {
         return;
     }
 
     state.actionKey = `${action}_${code || "ALL"}`;
     try {
-        const actionApi = isSync
-            ? VideoPlatformApi.syncMissingDevices
-            : VideoPlatformApi.deleteLocalExtraDevices;
-        const { data } = await actionApi({ deviceCodes: code ? [code] : [] });
-        useMessage().success(`${actionText}完成，共处理 ${Number(data) || 0} 条设备`);
+        let data: unknown;
+        if (isDevice.value) {
+            const response = isSync
+                ? await VideoPlatformApi.syncMissingDevices({ deviceCodes: code ? [code] : [] })
+                : await VideoPlatformApi.deleteLocalExtraDevices({ deviceCodes: code ? [code] : [] });
+            data = response.data;
+        } else {
+            const response = isSync
+                ? await VideoPlatformApi.syncMissingChannels({ channelCodes: code ? [code] : [] })
+                : await VideoPlatformApi.deleteLocalExtraChannels({ channelCodes: code ? [code] : [] });
+            data = response.data;
+        }
+        useMessage().success(`${actionText}完成，共处理 ${Number(data) || 0} 条${resourceLabel.value}`);
         state.query.current = 1;
         await loadDetail();
         emit("changed");
diff --git a/src/views/wl/cj/components/scene-config-form.vue b/src/views/wl/cj/components/scene-config-form.vue
index 847ecc1..cd4e829 100644
--- a/src/views/wl/cj/components/scene-config-form.vue
+++ b/src/views/wl/cj/components/scene-config-form.vue
@@ -88,11 +88,22 @@ const getSceneNodeValues = (nodes: SceneNode[] = []) => nodes
   .map((node) => node.nodeType === "CHANNEL" ? node.channelCode : node.deviceCode)
   .filter((value): value is string => Boolean(value))
 
-const handleSourceNodesChange = (_values: string[], nodes: SceneNode[]) => {
-  form.sourceNodes = normalizeSceneNodes(nodes)
+/** 选择器不是 Element Plus 原生表单控件，变更后需主动刷新对应字段校验状态。 */
+const validateNodeField = (field: "sourceNodes" | "targetNodes") => {
+  nextTick(() => {
+    formRef.value?.validateField(field).catch(() => {})
+  })
 }
-const handleTargetNodesChange = (_values: string[], nodes: SceneNode[]) => {
+
+const handleSourceNodesChange = (values: string[], nodes: SceneNode[] = []) => {
+  sourceNodeValues.value = Array.isArray(values) ? values : []
+  form.sourceNodes = normalizeSceneNodes(nodes)
+  validateNodeField("sourceNodes")
+}
+const handleTargetNodesChange = (values: string[], nodes: SceneNode[] = []) => {
+  targetNodeValues.value = Array.isArray(values) ? values : []
   form.targetNodes = normalizeSceneNodes(nodes)
+  validateNodeField("targetNodes")
 }
 
 const open = async (id?: string | number) => {
@@ -104,7 +115,8 @@ const open = async (id?: string | number) => {
   visible.value = true
 }
 const submit = async () => {
-  await formRef.value.validate()
+  const valid = await formRef.value.validate().catch(() => false)
+  if (!valid) return
   saving.value = true
   try { await (form.id ? api.updateConfig(form) : api.addConfig(form)); useMessage().success("保存成功"); visible.value = false; emit("refresh") } finally { saving.value = false }
 }