1.将部门修改为渠道，并且所有dice_表关联渠道表

2.将所有配置表，记录表设置关联渠道
3.优化后台页面设置

saiadmin-artd/src/views/system/user/index.vue

@@ -1,16 +1,24 @@
 <template>
   <div class="art-full-height">
     <div class="box-border flex gap-4 h-full max-md:block max-md:gap-0 max-md:h-auto">
-      <div class="flex-shrink-0 w-64 h-full max-md:w-full max-md:h-auto max-md:mb-5">
-        <ElCard class="tree-card art-card-xs flex flex-col h-full mt-0" shadow="never">
+      <div
+        v-show="showChannelSidebar"
+        class="flex-shrink-0 w-64 h-full max-md:w-full max-md:h-auto max-md:mb-5"
+      >
+        <ElCard
+          class="tree-card art-card-xs flex flex-col h-full mt-0"
+          shadow="never"
+          v-loading="channelTreeLoading"
+        >
           <template #header>
-            <b>部门列表</b>
+            <b>{{ $t('page.ui.channelList') }}</b>
           </template>
           <ElScrollbar>
             <ElTree
               :data="treeData"
               :props="{ children: 'children', label: 'label' }"
               node-key="id"
+              :current-node-key="currentChannelId"
               default-expand-all
               highlight-current
               @node-click="handleNodeClick"
@@ -136,10 +144,19 @@
   import WorkDialog from './modules/work-dialog.vue'
   import api from '@/api/system/user'
   import deptApi from '@/api/system/dept'
+  import { isSuperAdminUser } from '@/utils/channelLayout'
 
   const userStore = useUserStore()
 
-  const treeData = ref([])
+  interface ChannelTreeNode {
+    id: number
+    label: string
+    children?: ChannelTreeNode[]
+  }
+
+  const treeData = ref<ChannelTreeNode[]>([])
+  const channelTreeLoading = ref(false)
+  const currentChannelId = ref<number | undefined>(undefined)
 
   // 编辑框
   const { dialogType, dialogVisible, dialogData, showDialog, handleSelectionChange, deleteRow } =
@@ -228,24 +245,79 @@
   const handleReset = () => {
     searchForm.value.dept_id = undefined
     resetSearchParams()
+    if (isSuperAdminUser()) {
+      currentChannelId.value = undefined
+    } else {
+      applyDefaultChannelSelection()
+    }
   }
 
   /**
    * 切换部门
    * @param data
    */
-  const handleNodeClick = (data: any) => {
+  const handleNodeClick = (data: ChannelTreeNode) => {
+    currentChannelId.value = data.id
     searchParams.dept_id = data.id
     getData()
   }
 
+  /** 仅超管显示左侧渠道列表；渠道管理员固定本渠道，由后端过滤 */
+  const showChannelSidebar = computed(() => isSuperAdminUser())
+
+  const normalizeChannelTree = (list: unknown[]): ChannelTreeNode[] => {
+    if (!Array.isArray(list)) {
+      return []
+    }
+    return list
+      .map((item) => {
+        const row = item as Record<string, unknown>
+        const id = Number(row.id ?? row.value ?? 0)
+        const label = String(row.label ?? row.name ?? '')
+        return { id, label }
+      })
+      .filter((node) => node.id > 0 && node.label !== '')
+  }
+
+  const fallbackChannelTree = (): ChannelTreeNode[] => {
+    const dept = userStore.info?.department
+    if (!dept || Number(dept.id) <= 0) {
+      return []
+    }
+    return [
+      {
+        id: Number(dept.id),
+        label: String(dept.name ?? '')
+      }
+    ]
+  }
+
+  const applyDefaultChannelSelection = () => {
+    if (treeData.value.length === 0 || isSuperAdminUser()) {
+      return
+    }
+    const first = treeData.value[0]
+    currentChannelId.value = first.id
+    searchParams.dept_id = first.id
+    getData()
+  }
+
   /**
-   * 获取部门数据
+   * 获取可操作渠道（渠道管理员至少展示本渠道）
    */
-  const getDeptList = () => {
-    deptApi.accessDept().then((data: any) => {
-      treeData.value = data
-    })
+  const getDeptList = async () => {
+    channelTreeLoading.value = true
+    try {
+      const data = await deptApi.accessDept()
+      const nodes = normalizeChannelTree(Array.isArray(data) ? data : [])
+      treeData.value = nodes.length > 0 ? nodes : fallbackChannelTree()
+      applyDefaultChannelSelection()
+    } catch {
+      treeData.value = fallbackChannelTree()
+      applyDefaultChannelSelection()
+    } finally {
+      channelTreeLoading.value = false
+    }
   }
 
   /**
@@ -283,6 +355,10 @@
   }
 
   onMounted(() => {
-    getDeptList()
+    if (isSuperAdminUser()) {
+      getDeptList()
+    } else {
+      applyDefaultChannelSelection()
+    }
   })
 </script>