feat(admin): 添加后台显示设置功能

- 新增后台显示设置页面，允许自定义布局标题
- 在布局组件中动态显示自定义标题
- 在后端添加对应的 API 端点用于获取和保存显示配置
- 移除无用的 Demo.vue 组件文件

cwd-admin/src/api/admin.ts

@@ -128,6 +128,10 @@ export type FeatureSettingsResponse = {
 	enableArticleLike: boolean;
 };
 
+export type AdminDisplaySettingsResponse = {
+	layoutTitle: string | null;
+};
+
 export async function loginAdmin(name: string, password: string): Promise<string> {
 	const res = await post<AdminLoginResponse>('/admin/login', { name, password });
 	const key = res.data.key;
@@ -327,6 +331,16 @@ export function saveFeatureSettings(data: { enableCommentLike?: boolean; enableA
 	return put<{ message: string }>('/admin/settings/features', data);
 }
 
+export function fetchAdminDisplaySettings(): Promise<AdminDisplaySettingsResponse> {
+	return get<AdminDisplaySettingsResponse>('/admin/settings/admin-display');
+}
+
+export function saveAdminDisplaySettings(data: {
+	layoutTitle?: string;
+}): Promise<{ message: string }> {
+	return put<{ message: string }>('/admin/settings/admin-display', data);
+}
+
 export type TelegramSettingsResponse = {
 	botToken: string | null;
 	chatId: string | null;

cwd-admin/src/styles/components/setting.less

@@ -1,3 +1,7 @@
+h1 {
+  color: red;
+}
+
 .page {
   display: flex;
   flex-direction: column;

cwd-admin/src/views/LayoutView/index.vue

@@ -9,7 +9,7 @@
       >
         <PhTextIndent :size="20" />
       </button>
-      <div class="layout-title">CWD 评论系统</div>
+      <div class="layout-title">{{ layoutTitle }}</div>
       <div class="layout-actions-wrapper">
         <div class="layout-domain-filter layout-domain-filter-header">
           <select v-model="domainFilter" class="layout-domain-select">
@@ -173,7 +173,7 @@
 <script setup lang="ts">
 import { ref, onMounted, watch, provide, computed } from "vue";
 import { useRouter, useRoute } from "vue-router";
-import { logoutAdmin, fetchDomainList } from "../../api/admin";
+import { logoutAdmin, fetchDomainList, fetchAdminDisplaySettings } from "../../api/admin";
 import { useTheme } from "../../composables/useTheme";
 import packageJson from "../../../package.json";
 
@@ -191,6 +191,7 @@ const apiVersion = ref("");
 const checkedApiBaseUrl = ref("");
 const apiVersionError = ref("");
 const versionModalVisible = ref(false);
+const layoutTitle = ref("CWD 评论系统");
 
 const themeTitle = computed(() => {
   if (theme.value === "light") return "明亮模式";
@@ -254,11 +255,21 @@ async function loadVersion() {
   }
 }
 
+async function loadDisplaySettings() {
+  try {
+    const res = await fetchAdminDisplaySettings();
+    layoutTitle.value = res.layoutTitle || "CWD 评论系统";
+  } catch {
+    layoutTitle.value = "CWD 评论系统";
+  }
+}
+
 provide("domainFilter", domainFilter);
 
 onMounted(() => {
   loadDomains();
   loadVersion();
+  loadDisplaySettings();
 });
 
 watch(domainFilter, (value) => {

cwd-admin/src/views/SettingsView/index.vue

@@ -93,11 +93,7 @@
               </label>
               <div class="tag-input">
                 <div class="tag-input-inner">
-                  <span
+                  <span v-for="ip in blockedIpTags" :key="ip" class="tag-input-tag">
-                    v-for="ip in blockedIpTags"
-                    :key="ip"
-                    class="tag-input-tag"
-                  >
                     <span class="tag-input-tag-text">{{ ip }}</span>
                     <button
                       type="button"
@@ -191,6 +187,33 @@
         </transition>
       </div>
 
+      <div class="card">
+        <div class="card-header" @click="toggleCard('display')">
+          <div class="card-title">后台显示设置</div>
+          <div class="card-icon" :class="{ expanded: cardsExpanded.display }">▼</div>
+        </div>
+        <transition name="collapse">
+          <div v-show="cardsExpanded.display" class="card-body">
+            <div class="form-item">
+              <label class="form-label">后台标题</label>
+              <input
+                v-model="adminLayoutTitle"
+                class="form-input"
+                type="text"
+                placeholder="CWD 评论系统"
+              />
+              <div class="form-hint">显示在后台顶部导航栏左侧。</div>
+            </div>
+            <div class="card-actions">
+              <button class="card-button" :disabled="savingDisplay" @click="saveDisplay">
+                <span v-if="savingDisplay">保存中...</span>
+                <span v-else>保存</span>
+              </button>
+            </div>
+          </div>
+        </transition>
+      </div>
+
       <div class="card">
         <div class="card-header" @click="toggleCard('email')">
           <div class="card-title">通知邮箱设置</div>
@@ -422,8 +445,10 @@ import {
   fetchEmailNotifySettings,
   saveEmailNotifySettings,
   sendTestEmail,
-  fetchFeatureSettings,
+        fetchFeatureSettings,
-  saveFeatureSettings,
+        saveFeatureSettings,
+        fetchAdminDisplaySettings,
+        saveAdminDisplaySettings,
   fetchTelegramSettings,
   saveTelegramSettings,
   setupTelegramWebhook,
@@ -510,6 +535,7 @@ const commentAdminEmail = ref("");
 const commentAdminBadge = ref("");
 const avatarPrefix = ref("");
 const commentAdminEnabled = ref(false);
+const adminLayoutTitle = ref("CWD 评论系统");
 const allowedDomainTags = ref<string[]>([]);
 const allowedDomainInput = ref("");
 const blockedIpTags = ref<string[]>([]);
@@ -661,6 +687,7 @@ const savingEmail = ref(false);
 const testingEmail = ref(false);
 const savingComment = ref(false);
 const savingFeature = ref(false);
+const savingDisplay = ref(false);
 const loading = ref(false);
 const message = ref("");
 const messageType = ref<"success" | "error">("success");
@@ -674,12 +701,18 @@ function loadCardsExpanded() {
   try {
     const saved = localStorage.getItem(STORAGE_KEY);
     if (saved) {
-      return JSON.parse(saved);
+      const parsed = JSON.parse(saved);
+      return {
+        comment: parsed.comment ?? true,
+        display: parsed.display ?? false,
+        feature: parsed.feature ?? false,
+        email: parsed.email ?? false,
+        telegram: parsed.telegram ?? false,
+      };
     }
   } catch {
-    // 忽略错误
   }
-  return { comment: true, feature: false, email: false, telegram: false };
+  return { comment: true, display: false, feature: false, email: false, telegram: false };
 }
 
 const cardsExpanded = ref(loadCardsExpanded());
@@ -731,11 +764,12 @@ function resetTemplatesToDefault() {
 async function load() {
   loading.value = true;
   try {
-    const [commentRes, emailNotifyRes, featureRes, telegramRes] = await Promise.all([
+    const [commentRes, emailNotifyRes, featureRes, telegramRes, displayRes] = await Promise.all([
       fetchCommentSettings(),
       fetchEmailNotifySettings(),
       fetchFeatureSettings(),
       fetchTelegramSettings(),
+      fetchAdminDisplaySettings(),
     ]);
     commentAdminEmail.value = commentRes.adminEmail || "";
     commentAdminBadge.value = commentRes.adminBadge ?? "";
@@ -767,6 +801,8 @@ async function load() {
     telegramChatId.value = telegramRes.chatId || "";
     telegramNotifyEnabled.value = telegramRes.notifyEnabled;
 
+    adminLayoutTitle.value = displayRes.layoutTitle || "CWD 评论系统";
+
     if (emailNotifyRes.templates) {
       templateAdmin.value = emailNotifyRes.templates.admin || DEFAULT_ADMIN_TEMPLATE;
       templateReply.value = emailNotifyRes.templates.reply || DEFAULT_REPLY_TEMPLATE;
@@ -917,6 +953,23 @@ async function saveFeature() {
   }
 }
 
+async function saveDisplay() {
+  savingDisplay.value = true;
+  message.value = "";
+  try {
+    const res = await saveAdminDisplaySettings({
+      layoutTitle: adminLayoutTitle.value,
+    });
+
+    showToast(res.message || "保存成功", "success");
+  } catch (e: any) {
+    message.value = e.message || "保存失败";
+    messageType.value = "error";
+  } finally {
+    savingDisplay.value = false;
+  }
+}
+
 async function saveTelegram() {
   savingTelegram.value = true;
   message.value = "";

cwd-api/src/index.ts

@@ -49,6 +49,11 @@ const COMMENT_ADMIN_KEY_HASH_KEY = 'comment_admin_key_hash';
 const COMMENT_REQUIRE_REVIEW_KEY = 'comment_require_review';
 const COMMENT_BLOCKED_IPS_KEY = 'comment_blocked_ips';
 const COMMENT_BLOCKED_EMAILS_KEY = 'comment_blocked_emails';
+const ADMIN_DISPLAY_CONFIG_KEY = 'admin_display_config';
+
+type AdminDisplaySettings = {
+	layoutTitle: string;
+};
 
 async function loadCommentSettings(env: Bindings) {
 	await env.CWD_DB.prepare('CREATE TABLE IF NOT EXISTS Settings (key TEXT PRIMARY KEY, value TEXT NOT NULL)').run();
@@ -119,6 +124,43 @@ async function loadCommentSettings(env: Bindings) {
 	};
 }
 
+async function loadAdminDisplaySettings(env: Bindings): Promise<AdminDisplaySettings> {
+	await env.CWD_DB.prepare('CREATE TABLE IF NOT EXISTS Settings (key TEXT PRIMARY KEY, value TEXT NOT NULL)').run();
+	const row = await env.CWD_DB.prepare('SELECT value FROM Settings WHERE key = ?')
+		.bind(ADMIN_DISPLAY_CONFIG_KEY)
+		.first<{ value: string }>();
+
+	const defaults: AdminDisplaySettings = {
+		layoutTitle: 'CWD 评论系统',
+	};
+
+	if (!row || !row.value) {
+		return defaults;
+	}
+
+	try {
+		const parsed = JSON.parse(row.value) as Partial<AdminDisplaySettings>;
+		const result: AdminDisplaySettings = {
+			layoutTitle: typeof parsed.layoutTitle === 'string' && parsed.layoutTitle ? parsed.layoutTitle : defaults.layoutTitle,
+		};
+		return result;
+	} catch {
+		return defaults;
+	}
+}
+
+async function saveAdminDisplaySettings(env: Bindings, settings: Partial<AdminDisplaySettings>) {
+	await env.CWD_DB.prepare('CREATE TABLE IF NOT EXISTS Settings (key TEXT PRIMARY KEY, value TEXT NOT NULL)').run();
+
+	const current = await loadAdminDisplaySettings(env);
+	const next: AdminDisplaySettings = {
+		layoutTitle: settings.layoutTitle !== undefined ? settings.layoutTitle : current.layoutTitle,
+	};
+
+	const value = JSON.stringify(next);
+	await env.CWD_DB.prepare('REPLACE INTO Settings (key, value) VALUES (?, ?)').bind(ADMIN_DISPLAY_CONFIG_KEY, value).run();
+}
+
 async function saveCommentSettings(
 	env: Bindings,
 	settings: {
@@ -291,6 +333,30 @@ app.put('/admin/settings/telegram', updateTelegramSettings);
 app.post('/admin/settings/telegram/setup', setupTelegramWebhook);
 app.post('/admin/settings/telegram/test', testTelegramMessage);
 
+app.get('/admin/settings/admin-display', async (c) => {
+	try {
+		const settings = await loadAdminDisplaySettings(c.env);
+		return c.json(settings);
+	} catch (e: any) {
+		return c.json({ message: e.message || '加载显示配置失败' }, 500);
+	}
+});
+
+app.put('/admin/settings/admin-display', async (c) => {
+	try {
+		const body = await c.req.json();
+		const layoutTitle = typeof body.layoutTitle === 'string' ? body.layoutTitle : undefined;
+
+		await saveAdminDisplaySettings(c.env, {
+			layoutTitle,
+		});
+
+		return c.json({ message: '保存成功' });
+	} catch (e: any) {
+		return c.json({ message: e.message || '保存失败' }, 500);
+	}
+});
+
 app.get('/admin/settings/comments', async (c) => {
 	try {
 		const settings = await loadCommentSettings(c.env);