diff --git a/frontend/src/pages/route-groups/__tests__/index.spec.ts b/frontend/src/pages/route-groups/__tests__/index.spec.ts
index 4183d84..e837a3d 100644
--- a/frontend/src/pages/route-groups/__tests__/index.spec.ts
+++ b/frontend/src/pages/route-groups/__tests__/index.spec.ts
@@ -157,6 +157,22 @@ describe('useRouteGroupStore', () => {
       expect(api.get).toHaveBeenCalledWith('/api/v1/routes', undefined)
     })
   })
+
+  describe('syncRoutes', () => {
+    it('calls sync API and refreshes groups + routes', async () => {
+      const store = useRouteGroupStore()
+      vi.mocked(api.post).mockResolvedValueOnce(undefined)
+      vi.mocked(api.get)
+        .mockResolvedValueOnce(mockGroups)
+        .mockResolvedValueOnce(mockRoutes)
+
+      await store.syncRoutes()
+
+      expect(api.post).toHaveBeenCalledWith('/api/v1/routes/sync')
+      expect(api.get).toHaveBeenCalledWith('/api/v1/route-groups')
+      expect(api.get).toHaveBeenCalledWith('/api/v1/routes', undefined)
+    })
+  })
 })
 
 // ─── Page 组件测试 ───
@@ -177,6 +193,7 @@ describe('RouteGroupsPage', () => {
           EditOutlined: { template: '<span class="icon-edit" />' },
           DeleteOutlined: { template: '<span class="icon-delete" />' },
           SaveOutlined: { template: '<span class="icon-save" />' },
+          SyncOutlined: { template: '<span class="icon-sync" />' },
         },
       },
     })
@@ -242,6 +259,23 @@ describe('RouteGroupsPage', () => {
     expect(wrapper.text()).toContain('未分组')
   })
 
+  it('renders 同步路由 button and calls syncRoutes on click', async () => {
+    await mountPage()
+
+    const syncBtn = wrapper.findAll('.ant-btn').find((b) => b.text().includes('同步路由'))
+    expect(syncBtn).toBeDefined()
+
+    vi.mocked(api.post).mockResolvedValueOnce(undefined)
+    vi.mocked(api.get)
+      .mockResolvedValueOnce(mockGroups)
+      .mockResolvedValueOnce(mockRoutes)
+
+    await syncBtn!.trigger('click')
+    await flushPromises()
+
+    expect(api.post).toHaveBeenCalledWith('/api/v1/routes/sync')
+  })
+
   it('calls batchAssignRoutes on save button click', async () => {
     await mountPage()
 
diff --git a/frontend/src/pages/route-groups/index.vue b/frontend/src/pages/route-groups/index.vue
index 56e6b76..e38a24a 100644
--- a/frontend/src/pages/route-groups/index.vue
+++ b/frontend/src/pages/route-groups/index.vue
@@ -6,6 +6,7 @@ import {
   EditOutlined,
   DeleteOutlined,
   SaveOutlined,
+  SyncOutlined,
 } from '@ant-design/icons-vue'
 
 const groupStore = useRouteGroupStore()
@@ -55,6 +56,7 @@ const localCheckedKeys = ref<{ checked: (string | number)[], halfChecked: (strin
   halfChecked: [],
 })
 const assignSaving = ref(false)
+const syncing = ref(false)
 
 // 当前选中组的名称
 const selectedGroupName = computed(() => {
@@ -148,6 +150,19 @@ async function handleDelete(group: RouteGroupRecord) {
   }
 }
 
+async function handleSyncRoutes() {
+  syncing.value = true
+  try {
+    await groupStore.syncRoutes()
+    message.success('路由同步成功')
+  } catch (err: unknown) {
+    const msg = err instanceof Error ? err.message : '同步失败'
+    message.error(msg)
+  } finally {
+    syncing.value = false
+  }
+}
+
 async function handleGroupChange(routeId: number, groupId: number | null) {
   try {
     await groupStore.assignRouteToGroup(routeId, groupId)
@@ -171,9 +186,14 @@ onMounted(async () => {
     <a-col :span="8">
       <a-card title="路由组" :loading="groupStore.loading">
         <template #extra>
-          <a-button type="primary" size="small" @click="openCreateModal">
-            <PlusOutlined /> 新建
-          </a-button>
+          <a-space>
+            <a-button size="small" :loading="syncing" @click="handleSyncRoutes">
+              <SyncOutlined /> 同步路由
+            </a-button>
+            <a-button type="primary" size="small" @click="openCreateModal">
+              <PlusOutlined /> 新建
+            </a-button>
+          </a-space>
         </template>
 
         <!-- 未分组入口 -->
diff --git a/frontend/src/stores/route-group.ts b/frontend/src/stores/route-group.ts
index a055694..9985138 100644
--- a/frontend/src/stores/route-group.ts
+++ b/frontend/src/stores/route-group.ts
@@ -86,6 +86,11 @@ export const useRouteGroupStore = defineStore('route-group', () => {
     await Promise.all([fetchGroups(), fetchRoutes()])
   }
 
+  async function syncRoutes() {
+    await api.post('/api/v1/routes/sync')
+    await Promise.all([fetchGroups(), fetchRoutes()])
+  }
+
   // 按首段资源名分组，避免同名叶节点与目录共存导致 UI 混乱
   const routeTree = computed(() => {
     const root: RouteTreeNode[] = []
@@ -167,6 +172,7 @@ export const useRouteGroupStore = defineStore('route-group', () => {
     fetchRoutes,
     assignRouteToGroup,
     batchAssignRoutes,
+    syncRoutes,
     routeTree,
     checkedRouteKeys,
   }