diff --git a/cwd-admin/src/views/LayoutView/index.vue b/cwd-admin/src/views/LayoutView/index.vue
index 71a3ce0..879da16 100644
--- a/cwd-admin/src/views/LayoutView/index.vue
+++ b/cwd-admin/src/views/LayoutView/index.vue
@@ -13,9 +13,13 @@
       <div class="layout-actions-wrapper">
         <div class="layout-domain-filter layout-domain-filter-header">
           <select v-model="currentSiteId" class="layout-domain-select">
-            <option value="default">所有站点</option>
-            <option v-for="item in siteOptions" :key="item.value" :value="item.value">
-              {{ item.label }}
+            <option :value="defaultSiteId">{{ getSiteLabel(defaultSiteId) }}</option>
+            <option
+              v-for="item in siteOptions"
+              :key="item.value"
+              :value="item.value"
+            >
+              {{ getSiteLabel(item.value) }}
             </option>
           </select>
         </div>
@@ -71,9 +75,13 @@
       >
         <div class="layout-sider-domain-filter">
           <select v-model="currentSiteId" class="layout-domain-select">
-            <option value="default">所有站点</option>
-            <option v-for="item in siteOptions" :key="item.value" :value="item.value">
-              {{ item.label }}
+            <option :value="defaultSiteId">{{ getSiteLabel(defaultSiteId) }}</option>
+            <option
+              v-for="item in siteOptions"
+              :key="item.value"
+              :value="item.value"
+            >
+              {{ getSiteLabel(item.value) }}
             </option>
           </select>
         </div>
@@ -173,7 +181,7 @@
 <script setup lang="ts">
 import { ref, onMounted, provide, computed } from "vue";
 import { useRouter, useRoute } from "vue-router";
-import { logoutAdmin, fetchSiteList, fetchAdminDisplaySettings } from "../../api/admin";
+import { logoutAdmin, fetchAdminDisplaySettings, fetchSiteList } from "../../api/admin";
 import { useTheme } from "../../composables/useTheme";
 import { useSite } from "../../composables/useSite";
 import packageJson from "../../../package.json";
@@ -209,15 +217,23 @@ function cycleTheme() {
 
 type SiteOption = { label: string; value: string };
 const siteOptions = ref<SiteOption[]>([]);
+const defaultSiteId = "";
+
+function getSiteLabel(value: string) {
+  if (!value) {
+    return "默认站点 (Default)";
+  }
+  return value;
+}
 
 async function loadSites() {
   try {
     const res = await fetchSiteList();
     const sites = Array.isArray(res.sites) ? res.sites : [];
-    
-    siteOptions.value = sites.map(s => ({
-        label: s === '' ? '默认站点 (Default)' : s,
-        value: s
+    const unique = Array.from(new Set(sites));
+    siteOptions.value = unique.filter((s) => s !== "").map((s) => ({
+      label: s,
+      value: s,
     }));
   } catch {
     siteOptions.value = [];
diff --git a/cwd-admin/src/views/SettingsView/components/SiteManager.vue b/cwd-admin/src/views/SettingsView/components/SiteManager.vue
index 94d7b39..d7fd83b 100644
--- a/cwd-admin/src/views/SettingsView/components/SiteManager.vue
+++ b/cwd-admin/src/views/SettingsView/components/SiteManager.vue
@@ -29,7 +29,7 @@
             @dragstart="onDragStart($event, domain, 'visible')"
             @dblclick="moveToHidden(domain)"
           >
-            <span class="domain-text">{{ domain }}</span>
+            <span class="domain-text">{{ getSiteLabel(domain) }}</span>
             <button class="move-btn" @click="moveToHidden(domain)" title="移出">
               <PhArrowRight :size="16" />
             </button>
@@ -74,7 +74,7 @@
             <button class="move-btn" @click="moveToVisible(domain)" title="移入">
               <PhArrowLeft :size="16" />
             </button>
-            <span class="domain-text">{{ domain }}</span>
+            <span class="domain-text">{{ getSiteLabel(domain) }}</span>
           </div>
         </div>
       </div>
@@ -90,7 +90,7 @@
 
 <script setup lang="ts">
 import { ref, onMounted, computed } from 'vue';
-import { fetchDomainList, fetchFeatureSettings, saveFeatureSettings } from '../../../api/admin';
+import { fetchSiteList, fetchFeatureSettings, saveFeatureSettings } from '../../../api/admin';
 
 const loading = ref(false);
 const allDomains = ref<string[]>([]);
@@ -101,14 +101,21 @@ const hiddenList = computed(() => {
   return allDomains.value.filter(d => !visibleSet.has(d));
 });
 
+function getSiteLabel(value: string) {
+  if (!value) {
+    return '默认站点 (Default)';
+  }
+  return value;
+}
+
 async function loadData() {
   try {
-    const [domainRes, settingsRes] = await Promise.all([
-      fetchDomainList(),
+    const [siteRes, settingsRes] = await Promise.all([
+      fetchSiteList(),
       fetchFeatureSettings()
     ]);
     
-    allDomains.value = domainRes.domains || [];
+    allDomains.value = siteRes.sites || [];
     if (settingsRes.visibleDomains) {
       visibleList.value = settingsRes.visibleDomains;
     } else {
diff --git a/cwd-admin/src/views/SettingsView/index.vue b/cwd-admin/src/views/SettingsView/index.vue
index 3b02458..3fe9212 100644
--- a/cwd-admin/src/views/SettingsView/index.vue
+++ b/cwd-admin/src/views/SettingsView/index.vue
@@ -35,14 +35,6 @@
         >
           后台显示
         </button>
-        <button
-          type="button"
-          class="settings-tab"
-          :class="{ 'settings-tab-active': activeTab === 'site' }"
-          @click="activeTab = 'site'"
-        >
-          站点管理
-        </button>
         <button
           type="button"
           class="settings-tab"
@@ -238,16 +230,6 @@
               </div>
             </div>
           </template>
-          <template v-else-if="activeTab === 'site'">
-            <div class="card">
-              <div class="card-header">
-                <div class="card-title">站点列表管理</div>
-              </div>
-              <div class="card-body">
-                <SiteManager />
-              </div>
-            </div>
-          </template>
           <template v-else-if="activeTab === 'emailNotify'">
             <div class="card">
               <div class="card-header">
@@ -487,17 +469,15 @@ import {
   fetchEmailNotifySettings,
   saveEmailNotifySettings,
   sendTestEmail,
-        fetchFeatureSettings,
-        saveFeatureSettings,
-        fetchAdminDisplaySettings,
-        saveAdminDisplaySettings,
+  fetchFeatureSettings,
+  saveFeatureSettings,
+  fetchAdminDisplaySettings,
+  saveAdminDisplaySettings,
   fetchTelegramSettings,
   saveTelegramSettings,
   setupTelegramWebhook,
   sendTelegramTestMessage,
 } from "../../api/admin";
-
-import SiteManager from "./components/SiteManager.vue";
 import TagInput from "../../components/TagInput.vue";
 
 const DEFAULT_REPLY_TEMPLATE = `<div style="background-color:#f4f4f5;padding:24px 0;">
@@ -606,15 +586,13 @@ type TabKey =
   | "feature"
   | "display"
   | "emailNotify"
-  | "telegramNotify"
-  | "site";
+  | "telegramNotify";
 const validTabs: TabKey[] = [
   "comment",
   "feature",
   "display",
   "emailNotify",
   "telegramNotify",
-  "site",
 ];
 
 const activeTab = ref<TabKey>(
diff --git a/cwd-api/src/api/admin/getDomains.ts b/cwd-api/src/api/admin/getDomains.ts
index 4248ade..804aa4c 100644
--- a/cwd-api/src/api/admin/getDomains.ts
+++ b/cwd-api/src/api/admin/getDomains.ts
@@ -5,7 +5,6 @@ export const getSites = async (c: Context<{ Bindings: Bindings }>) => {
 	try {
 		const sites = new Set<string>();
 
-		// 1. Get sites from Comment
 		const { results: commentRows } = await c.env.CWD_DB.prepare(
 			'SELECT DISTINCT site_id FROM Comment'
 		).all<{ site_id: string }>();
@@ -16,7 +15,6 @@ export const getSites = async (c: Context<{ Bindings: Bindings }>) => {
 			}
 		}
 
-		// 2. Get sites from page_stats
 		const { results: pageRows } = await c.env.CWD_DB.prepare(
 			'SELECT DISTINCT site_id FROM page_stats'
 		).all<{ site_id: string }>();
@@ -27,16 +25,15 @@ export const getSites = async (c: Context<{ Bindings: Bindings }>) => {
 			}
 		}
 
-        // 3. Get sites from page_visit_daily
-        const { results: dailyRows } = await c.env.CWD_DB.prepare(
-            'SELECT DISTINCT site_id FROM page_visit_daily'
-        ).all<{ site_id: string }>();
+		const { results: dailyRows } = await c.env.CWD_DB.prepare(
+			'SELECT DISTINCT site_id FROM page_visit_daily'
+		).all<{ site_id: string }>();
 
-        for (const row of dailyRows) {
-            if (row.site_id !== undefined && row.site_id !== null) {
-                sites.add(row.site_id);
-            }
-        }
+		for (const row of dailyRows) {
+			if (row.site_id !== undefined && row.site_id !== null) {
+				sites.add(row.site_id);
+			}
+		}
 
 		const list = Array.from(sites);
 		list.sort();
diff --git a/cwd-api/src/index.ts b/cwd-api/src/index.ts
index b6443ab..8f90091 100644
--- a/cwd-api/src/index.ts
+++ b/cwd-api/src/index.ts
@@ -296,10 +296,9 @@ app.get('/admin/export/backup', exportBackup);
 app.post('/admin/import/backup', importBackup);
 app.put('/admin/comments/status', updateStatus);
 app.put('/admin/comments/update', updateComment);
-app.get('/admin/stats/comments', getStats);
-app.get('/admin/stats/sites', getSites);
 app.get('/admin/analytics/overview', getVisitOverview);
 app.get('/admin/analytics/pages', getVisitPages);
+app.get('/admin/stats/sites', getSites);
 app.get('/admin/likes/list', listLikes);
 app.get('/admin/likes/stats', getLikeStats);
 app.get('/admin/settings/features', getFeatureSettings);
diff --git a/docs/api/admin.md b/docs/api/admin.md
index 67ca55e..e4aa329 100644
--- a/docs/api/admin.md
+++ b/docs/api/admin.md
@@ -50,7 +50,6 @@ Token 通过登录接口获取，有效期为 48 小时。
 ### [统计数据相关](./admin/stats.md)
 
 - **获取评论统计数据** `GET /admin/stats/comments` - 用于管理后台「数据看板」展示评论整体统计
-- **获取域名列表** `GET /admin/stats/domains` - 获取所有已产生评论或访问记录的域名列表
 
 ### [访问统计相关](./admin/analytics.md)
 
diff --git a/docs/api/admin/stats.md b/docs/api/admin/stats.md
index c837584..39b3338 100644
--- a/docs/api/admin/stats.md
+++ b/docs/api/admin/stats.md
@@ -90,54 +90,7 @@ GET /admin/stats/comments
 }
 ```
 
-## 1.2 获取域名列表
-
-```
-GET /admin/stats/domains
-```
-
-用于管理后台获取所有已产生评论或访问记录的域名列表，用于域名筛选下拉框等场景。
-
-- 方法：`GET`
-- 路径：`/admin/stats/domains`
-- 鉴权：需要（Bearer Token）
-
-**成功响应**
-
-- 状态码：`200`
-
-```json
-{
-  "domains": [
-    "blog.example.com",
-    "example.com",
-    "www.example.com"
-  ]
-}
-```
-
-字段说明：
-
-| 字段名     | 类型            | 说明                   |
-| ---------- | --------------- | ---------------------- |
-| `domains`  | Array\<string\> | 域名列表，按字母排序 |
-
-说明：
-
-- 域名从评论数据和访问统计数据中提取
-- 域名自动去重并按字母顺序排序
-
-**错误响应**
-
-- 状态码：`500`
-
-```json
-{
-  "message": "获取域名列表失败"
-}
-```
-
-## 1.3 获取点赞统计数据（点赞排行榜）
+## 1.2 获取点赞统计数据（点赞排行榜）
 
 ```
 GET /admin/likes/stats