diff --git a/src/api/roles.js b/src/api/roles.js
index a4c713c..063d891 100644
--- a/src/api/roles.js
+++ b/src/api/roles.js
@@ -5,3 +5,4 @@ export const createRole = (data) => adminHttp.post('/admin/roles', data)
 export const updateRole = (roleKey, data) => adminHttp.patch(`/admin/roles/${roleKey}`, data)
 export const deleteRole = (roleKey) => adminHttp.delete(`/admin/roles/${roleKey}`)
 export const getRoleSites = (roleKey) => adminHttp.get(`/admin/roles/${roleKey}/sites`)
+export const setRoleSites = (roleKey, siteKeys) => adminHttp.put(`/admin/roles/${roleKey}/sites`, { site_keys: siteKeys })
diff --git a/src/pages/admin/RolesPage.vue b/src/pages/admin/RolesPage.vue
index 3acb1f7..25281d2 100644
--- a/src/pages/admin/RolesPage.vue
+++ b/src/pages/admin/RolesPage.vue
@@ -79,6 +79,18 @@
     </el-dialog>
 
     <el-dialog v-model="showSitesDialog" :title="`角色綁定站台：${selectedRoleLabel}`" width="980px">
+      <el-form label-width="120px" class="mb-4">
+        <el-form-item label="指派站台">
+          <el-select v-model="selectedSiteKeys" multiple filterable style="width: 100%" placeholder="請選擇站台">
+            <el-option
+              v-for="site in siteOptions"
+              :key="site.site_key"
+              :label="`${site.company_display_name} / ${site.display_name} (${site.site_key})`"
+              :value="site.site_key"
+            />
+          </el-select>
+        </el-form-item>
+      </el-form>
       <el-table :data="roleSites" border stripe v-loading="sitesLoading">
         <template #empty><el-empty description="此角色尚未綁定站台" /></template>
         <el-table-column prop="company_display_name" label="公司" min-width="160" />
@@ -86,6 +98,7 @@
         <el-table-column prop="site_key" label="Site Key" min-width="180" />
       </el-table>
       <template #footer>
+        <el-button type="primary" :loading="savingSites" @click="handleSaveRoleSites">儲存站台綁定</el-button>
         <el-button @click="showSitesDialog = false">關閉</el-button>
       </template>
     </el-dialog>
@@ -96,8 +109,9 @@
 import { ref, onMounted } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { Plus } from '@element-plus/icons-vue'
-import { getRoles, createRole, updateRole, deleteRole, getRoleSites } from '@/api/roles'
+import { getRoles, createRole, updateRole, deleteRole, getRoleSites, setRoleSites } from '@/api/roles'
 import { getSystems } from '@/api/systems'
+import { getSites } from '@/api/sites'
 
 const roles = ref([])
 const systems = ref([])
@@ -131,8 +145,12 @@ const rules = {
 
 const showSitesDialog = ref(false)
 const selectedRoleLabel = ref('')
+const selectedRoleKey = ref('')
 const roleSites = ref([])
 const sitesLoading = ref(false)
+const savingSites = ref(false)
+const siteOptions = ref([])
+const selectedSiteKeys = ref([])
 
 async function load() {
   loading.value = true
@@ -144,6 +162,8 @@ async function load() {
     ])
     roles.value = rolesRes.data?.items || []
     systems.value = systemsRes.data?.items || []
+    const sitesRes = await getSites({ limit: 1000, offset: 0 })
+    siteOptions.value = sitesRes.data?.items || []
   } catch (err) {
     error.value = true
     errorMsg.value = err.response?.data?.detail || '載入角色失敗'
@@ -240,19 +260,37 @@ async function handleDelete(row) {
 }
 
 async function openSites(row) {
+  selectedRoleKey.value = row.role_key
   selectedRoleLabel.value = `${row.system_name} / ${row.name}`
   showSitesDialog.value = true
   sitesLoading.value = true
   try {
     const res = await getRoleSites(row.role_key)
     roleSites.value = res.data?.sites || []
+    selectedSiteKeys.value = roleSites.value.map(item => item.site_key)
   } catch (_err) {
     ElMessage.error('載入角色站台失敗')
     roleSites.value = []
+    selectedSiteKeys.value = []
   } finally {
     sitesLoading.value = false
   }
 }
 
+async function handleSaveRoleSites() {
+  if (!selectedRoleKey.value) return
+  savingSites.value = true
+  try {
+    await setRoleSites(selectedRoleKey.value, selectedSiteKeys.value)
+    const res = await getRoleSites(selectedRoleKey.value)
+    roleSites.value = res.data?.sites || []
+    ElMessage.success('角色站台綁定已更新')
+  } catch (err) {
+    ElMessage.error(err.response?.data?.detail || '儲存角色站台失敗')
+  } finally {
+    savingSites.value = false
+  }
+}
+
 onMounted(load)
 </script>