diff --git a/web/src/views/interconnect/components/MasterView.vue b/web/src/views/interconnect/components/MasterView.vue
index f69a30b..786c035 100644
--- a/web/src/views/interconnect/components/MasterView.vue
+++ b/web/src/views/interconnect/components/MasterView.vue
@@ -1,13 +1,13 @@
 <script setup lang="ts">
 import { ref, onMounted } from 'vue'
-import { Plus, RefreshCw, Search } from 'lucide-vue-next'
+import { Plus, RefreshCw, Search, Server, ArrowRightLeft } from 'lucide-vue-next'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
-// import { Tabs, TabsList, TabsTrigger } from '@/components/ui/tabs'
+import { Tabs, TabsList, TabsTrigger } from '@/components/ui/tabs'
 import { toast } from 'vue-sonner'
 import * as interconnectApi from '@/api/interconnect'
 
-// import SyncPanel from './SyncPanel.vue'
+import SyncPanel from './SyncPanel.vue'
 import MasterList from './MasterList.vue'
 
 const emit = defineEmits<{
@@ -71,8 +71,7 @@ onMounted(() => {
             <Plus class="h-4 w-4 md:mr-1.5" /> <span class="hidden md:inline">添加子节点</span>
           </Button>
           
-          <!-- Tabs 切换 (暂时隐藏同步功能) -->
-          <!--
+          <!-- Tabs 切换 -->
           <Tabs :model-value="activeTab" @update:model-value="(v: string | number) => activeTab = String(v)" class="shrink-0 flex-1 sm:flex-none min-w-[120px]">
              <TabsList class="h-9 p-0.5 bg-muted/20 border border-border/40 rounded-lg w-full flex">
                 <TabsTrigger value="nodes" class="flex-1 sm:flex-none px-3 h-8 text-xs gap-1.5 font-medium transition-all">
@@ -85,13 +84,12 @@ onMounted(() => {
                 </TabsTrigger>
              </TabsList>
           </Tabs>
-          -->
         </div>
       </div>
     </div>
 
     <!-- 内容区域 -->
     <MasterList v-if="activeTab === 'nodes'" ref="masterListRef" :nodes="nodes" :loading="loading" :search-query="searchQuery" @refresh="fetchNodes" />
-    <!-- <SyncPanel v-if="activeTab === 'sync'" :nodes="nodes" /> -->
+    <SyncPanel v-if="activeTab === 'sync'" :nodes="nodes" />
   </div>
 </template>
diff --git a/web/src/views/interconnect/components/RoleSelector.vue b/web/src/views/interconnect/components/RoleSelector.vue
index 264f9ae..a285b59 100644
--- a/web/src/views/interconnect/components/RoleSelector.vue
+++ b/web/src/views/interconnect/components/RoleSelector.vue
@@ -1,9 +1,31 @@
 <script setup lang="ts">
+import { ref, onMounted } from 'vue'
 import { Network } from 'lucide-vue-next'
+import { api } from '@/api'
+import { toast } from 'vue-sonner'
 
 const emit = defineEmits<{
   (e: 'select', role: 'master' | 'child'): void
 }>()
+
+const demoMode = ref(false)
+
+onMounted(async () => {
+  try {
+    const publicSite = await api.settings.getPublicSite()
+    demoMode.value = publicSite.demo_mode || false
+  } catch (e) {
+    // ignore
+  }
+})
+
+function handleSelect(role: 'master' | 'child') {
+  if (demoMode.value) {
+    toast.error('演示模式下禁止修改互联角色')
+    return
+  }
+  emit('select', role)
+}
 </script>
 
 <template>
@@ -19,7 +41,7 @@ const emit = defineEmits<{
     </div>
     <div class="grid grid-cols-1 md:grid-cols-2 gap-4 w-full max-w-3xl px-4 mt-2">
       <!-- Master Card -->
-      <div class="border rounded-xl p-5 hover:border-amber-500 hover:ring-1 hover:ring-amber-500/30 cursor-pointer transition-all hover:shadow-sm bg-card space-y-2.5 group" @click="emit('select', 'master')">
+      <div class="border rounded-xl p-5 hover:border-amber-500 hover:ring-1 hover:ring-amber-500/30 cursor-pointer transition-all hover:shadow-sm bg-card space-y-2.5 group" @click="handleSelect('master')">
         <div class="h-10 w-10 rounded-lg bg-amber-500/10 flex items-center justify-center text-amber-500 group-hover:scale-110 transition-transform duration-300">
           <Network class="h-5 w-5" />
         </div>
@@ -29,7 +51,7 @@ const emit = defineEmits<{
         </p>
       </div>
       <!-- Child Card -->
-      <div class="border rounded-xl p-5 hover:border-green-500 hover:ring-1 hover:ring-green-500/30 cursor-pointer transition-all hover:shadow-sm bg-card space-y-2.5 group" @click="emit('select', 'child')">
+      <div class="border rounded-xl p-5 hover:border-green-500 hover:ring-1 hover:ring-green-500/30 cursor-pointer transition-all hover:shadow-sm bg-card space-y-2.5 group" @click="handleSelect('child')">
         <div class="h-10 w-10 rounded-lg bg-green-500/10 flex items-center justify-center text-green-500 group-hover:scale-110 transition-transform duration-300">
           <Network class="h-5 w-5" />
         </div>