fix: init_db兼容旧数据库，自动添加缺失的系统配置字段

backend/app.py

@@ -260,16 +260,36 @@ def init_db():
     if cursor.fetchone()[0] == 0:
         default_configs = [
             ('app_name', 'AI助手', '应用名称'),
-            ('app_version', '3.5.1', '应用版本'),
+            ('app_version', '3.10.0', '应用版本'),
             ('llm_provider', 'zhipu', '默认大模型提供商'),
             ('enable_search', 'true', '是否启用联网搜索'),
             ('guest_chat_sessions', '1', '游客每日对话会话限制'),
             ('guest_chat_messages', '20', '游客每日对话消息限制'),
             ('guest_agent_messages', '20', '游客每日智能体消息限制'),
             ('admin_password', 'admin123', '管理员密码'),
+            ('app_developer', 'OpenClaw Team', '开发者'),
+            ('app_update_date', '2026-04-27', '更新日期'),
+            ('app_technology', '智谱 GLM-4.5-Air 大模型', '技术基础'),
+            ('app_description', '提供智能对话、多种智能体服务', '应用简介'),
+            ('privacy_policy_url', '', '隐私政策链接'),
+            ('user_agreement_url', '', '用户协议链接'),
         ]
         for key, value, desc in default_configs:
             cursor.execute('INSERT INTO system_configs (key, value, description) VALUES (?, ?, ?)', (key, value, desc))
+    else:
+        # 检查并添加缺失的配置项（兼容旧数据库）
+        default_configs = [
+            ('app_developer', 'OpenClaw Team', '开发者'),
+            ('app_update_date', '2026-04-27', '更新日期'),
+            ('app_technology', '智谱 GLM-4.5-Air 大模型', '技术基础'),
+            ('app_description', '提供智能对话、多种智能体服务', '应用简介'),
+            ('privacy_policy_url', '', '隐私政策链接'),
+            ('user_agreement_url', '', '用户协议链接'),
+        ]
+        for key, value, desc in default_configs:
+            cursor.execute('SELECT COUNT(*) FROM system_configs WHERE key=?', (key,))
+            if cursor.fetchone()[0] == 0:
+                cursor.execute('INSERT INTO system_configs (key, value, description) VALUES (?, ?, ?)', (key, value, desc))
     
     # 初始化管理员账户
     cursor.execute('SELECT COUNT(*) FROM admin_users')
@@ -1326,6 +1346,10 @@ def get_frontend_config():
     cursor.execute('SELECT * FROM tool_configs WHERE is_default=1 AND is_active=1')
     tools = [dict(row) for row in cursor.fetchall()]
     
+    # 获取所有活跃的工具配置（供前端选择）
+    cursor.execute('SELECT tool_id, name, type, provider, is_active FROM tool_configs WHERE is_active=1')
+    allTools = [dict(row) for row in cursor.fetchall()]
+    
     # 获取所有智能体（上线且活跃）
     cursor.execute('SELECT agent_id, name, avatar, category, description, system_prompt, heat, tags, enable_tools FROM agents WHERE is_online=1 AND is_active=1')
     agents = [dict(row) for row in cursor.fetchall()]
@@ -1343,17 +1367,24 @@ def get_frontend_config():
     config = {
         'llm': dict(llm) if llm else None,
         'tools': tools,
+        'allTools': allTools,  # 所有活跃的工具（供前端选择）
         'agents': agents,
         'chat_config': dict(chat_config) if chat_config else None,
         'system': {
             'appName': system.get('app_name', 'AI助手'),
-            'version': system.get('app_version', '3.6.0'),
+            'version': system.get('app_version', '3.10.0'),
             'enableSearch': system.get('enable_search', 'true') == 'true',
             'guestLimits': {
                 'chatSessions': int(system.get('guest_chat_sessions', '1')),
                 'chatMessages': int(system.get('guest_chat_messages', '20')),
                 'agentMessages': int(system.get('guest_agent_messages', '20')),
-            }
+            },
+            'developer': system.get('app_developer', 'OpenClaw Team'),
+            'updateDate': system.get('app_update_date', '2026-04-27'),
+            'technology': system.get('app_technology', '智谱 GLM-4.5-Air 大模型'),
+            'description': system.get('app_description', '提供智能对话、多种智能体服务'),
+            'privacyPolicyUrl': system.get('privacy_policy_url', ''),
+            'userAgreementUrl': system.get('user_agreement_url', ''),
         }
     }
     

www/admin.js

@@ -1355,6 +1355,26 @@ async function loadSystemPage(content) {
         <input type="text" class="form-input" id="appVersion" value="${systemConfigs.app_version?.value || ''}">
       </div>
       
+      <div class="form-group">
+        <label class="form-label">应用简介</label>
+        <input type="text" class="form-input" id="appDescription" value="${systemConfigs.app_description?.value || ''}" placeholder="如：提供智能对话、多种智能体服务">
+      </div>
+      
+      <div class="form-group">
+        <label class="form-label">技术基础</label>
+        <input type="text" class="form-input" id="appTechnology" value="${systemConfigs.app_technology?.value || ''}" placeholder="如：智谱 GLM-4.5-Air 大模型">
+      </div>
+      
+      <div class="form-group">
+        <label class="form-label">开发者</label>
+        <input type="text" class="form-input" id="appDeveloper" value="${systemConfigs.app_developer?.value || ''}" placeholder="如：OpenClaw Team">
+      </div>
+      
+      <div class="form-group">
+        <label class="form-label">更新日期</label>
+        <input type="text" class="form-input" id="appUpdateDate" value="${systemConfigs.app_update_date?.value || ''}" placeholder="如：2026-04-27">
+      </div>
+      
       <h3 style="margin: 24px 0 16px; padding-top: 16px; border-top: 1px solid #e2e8f0;">游客使用限制</h3>
       
       <div class="form-group">
@@ -1379,6 +1399,18 @@ async function loadSystemPage(content) {
         <input type="text" class="form-input" id="adminPassword" value="${systemConfigs.admin_password?.value || ''}" placeholder="修改管理员密码">
       </div>
       
+      <h3 style="margin: 24px 0 16px; padding-top: 16px; border-top: 1px solid #e2e8f0;">链接配置</h3>
+      
+      <div class="form-group">
+        <label class="form-label">隐私政策链接</label>
+        <input type="text" class="form-input" id="privacyPolicyUrl" value="${systemConfigs.privacy_policy_url?.value || ''}" placeholder="隐私政策页面URL">
+      </div>
+      
+      <div class="form-group">
+        <label class="form-label">用户协议链接</label>
+        <input type="text" class="form-input" id="userAgreementUrl" value="${systemConfigs.user_agreement_url?.value || ''}" placeholder="用户协议页面URL">
+      </div>
+      
       <button class="form-submit" onclick="saveSystemConfig()">保存设置</button>
     </div>
     
@@ -1394,10 +1426,16 @@ async function saveSystemConfig() {
   const data = {
     app_name: document.getElementById('appName').value,
     app_version: document.getElementById('appVersion').value,
+    app_description: document.getElementById('appDescription').value,
+    app_technology: document.getElementById('appTechnology').value,
+    app_developer: document.getElementById('appDeveloper').value,
+    app_update_date: document.getElementById('appUpdateDate').value,
     guest_chat_sessions: document.getElementById('guestChatSessions').value,
     guest_chat_messages: document.getElementById('guestChatMessages').value,
     guest_agent_messages: document.getElementById('guestAgentMessages').value,
-    admin_password: document.getElementById('adminPassword').value
+    admin_password: document.getElementById('adminPassword').value,
+    privacy_policy_url: document.getElementById('privacyPolicyUrl').value,
+    user_agreement_url: document.getElementById('userAgreementUrl').value,
   };
   
   await fetchAPI('/api/admin/system', 'POST', data);

www/app.js

@@ -116,6 +116,27 @@ async function loadBackendConfig() {
       };
     }
     
+    // 加载工具列表
+    if (backendConfig.allTools) {
+      // 过滤掉联网搜索（已有单独按钮）
+      allTools = backendConfig.allTools.filter(t => t.type !== 'search');
+    }
+    
+    // 不加载默认启用的工具，所有工具默认未启用
+    
+    // 将后台系统配置赋值到 CONFIG
+    if (backendConfig.system) {
+      CONFIG.system = backendConfig.system;
+    }
+    
+    // 将后台 LLM 配置赋值到 CONFIG
+    if (backendConfig.llm) {
+      CONFIG.apiUrl = backendConfig.llm.api_url;
+      CONFIG.apiKey = backendConfig.llm.api_key;
+      CONFIG.model = backendConfig.llm.model;
+      CONFIG.maxTokens = backendConfig.llm.max_tokens || 2048;
+    }
+    
     updateAgentsDisplay();
     console.log('后台配置已加载', backendConfig);
   } catch (e) {
@@ -282,6 +303,8 @@ function getAgentConversationHistory(limit = 5) {
 let enableThinking = false;  // 深度思考
 let enableSearch = false;    // 联网搜索
 let autoScrollEnabled = true;  // 自动滚动（用户滚动后可关闭）
+let enabledTools = [];  // 启用的工具列表（多选）
+let allTools = [];  // 所有可用的工具列表
 
 // DOM 元素（初始为 null，在 openConversation 时重新获取）
 let appContainer = null;
@@ -779,7 +802,7 @@ function renderAgentsPage() {
               <div class="recent-agent-item" data-conv-id="${conv.id}">
                 <div class="recent-agent-left">
                   <span class="recent-agent-avatar">${conv.agent ? conv.agent.avatar : '🤖'}</span>
-                  <span class="recent-agent-name">${conv.title}</span>
+                  <span class="recent-agent-title">${conv.title}</span>
                 </div>
                 <div class="recent-agent-right">
                   <span class="recent-agent-agent-name">${conv.agent ? conv.agent.name : '未知智能体'}</span>
@@ -1314,6 +1337,7 @@ function filterDiscoverAgents(keyword) {
   if (!keyword) {
     // 显示所有
     showDiscoverSection('hot', systemAgents.filter(a => a.category === 'hot'));
+    showDiscoverSection('basic', systemAgents.filter(a => a.category === 'basic'));
     showDiscoverSection('work', systemAgents.filter(a => a.category === 'work'));
     showDiscoverSection('study', systemAgents.filter(a => a.category === 'study'));
     showDiscoverSection('life', systemAgents.filter(a => a.category === 'life'));
@@ -1328,6 +1352,7 @@ function filterDiscoverAgents(keyword) {
   
   // 显示搜索结果
   showDiscoverSection('hot', filtered.filter(a => a.category === 'hot'));
+  showDiscoverSection('basic', filtered.filter(a => a.category === 'basic'));
   showDiscoverSection('work', filtered.filter(a => a.category === 'work'));
   showDiscoverSection('study', filtered.filter(a => a.category === 'study'));
   showDiscoverSection('life', filtered.filter(a => a.category === 'life'));
@@ -1602,8 +1627,8 @@ function renderProfilePage() {
         </div>
         
         <div class="profile-footer">
-          <p>AI助手 v3.6.0</p>
+          <p>${CONFIG?.system?.appName || 'AI助手'} v${CONFIG?.system?.version || '3.10.0'}</p>
-          <p>基于智谱 GLM-4.5-Air</p>
+          <p>基于 ${CONFIG?.system?.technology || '智谱 GLM-4.5-Air'}</p>
         </div>
       </div>
     </div>
@@ -2524,6 +2549,13 @@ function showHelpPage() {
 // ==================== 关于页面 ====================
 
 function showAboutPage() {
+  const appName = CONFIG?.system?.appName || 'AI助手';
+  const version = CONFIG?.system?.version || '3.10.0';
+  const developer = CONFIG?.system?.developer || 'OpenClaw Team';
+  const updateDate = CONFIG?.system?.updateDate || '2026-04-27';
+  const technology = CONFIG?.system?.technology || '智谱 GLM-4.5-Air 大模型';
+  const description = CONFIG?.system?.description || '提供智能对话、多种智能体服务';
+  
   const aboutHtml = `
     <div class="settings-page">
       <header class="settings-header">
@@ -2535,22 +2567,22 @@ function showAboutPage() {
       
       <div class="settings-content about-content">
         <div class="about-logo">🤖</div>
-        <div class="about-name">AI助手</div>
+        <div class="about-name">${appName}</div>
-        <div class="about-version">v3.5.0</div>
+        <div class="about-version">v${version}</div>
         
         <div class="about-info">
-          <p>基于智谱 GLM-4.5-Air 大模型</p>
+          <p>基于 ${technology}</p>
-          <p>提供智能对话、多种智能体服务</p>
+          <p>${description}</p>
         </div>
         
         <div class="about-section">
           <div class="about-item">
             <span class="about-label">开发者</span>
-            <span class="about-value">OpenClaw Team</span>
+            <span class="about-value">${developer}</span>
           </div>
           <div class="about-item">
             <span class="about-label">更新日期</span>
-            <span class="about-value">2026-04-27</span>
+            <span class="about-value">${updateDate}</span>
           </div>
         </div>
         
@@ -2594,7 +2626,12 @@ function showAboutPage() {
   const privacyPolicyBtn = document.getElementById('privacyPolicyBtn');
   if (privacyPolicyBtn) {
     privacyPolicyBtn.addEventListener('click', () => {
-      showToast('隐私政策页面待完善');
+      const privacyUrl = CONFIG?.system?.privacyPolicyUrl;
+      if (privacyUrl) {
+        window.open(privacyUrl, '_blank');
+      } else {
+        showToast('隐私政策链接未配置');
+      }
     });
   }
   
@@ -2602,7 +2639,12 @@ function showAboutPage() {
   const userAgreementBtn = document.getElementById('userAgreementBtn');
   if (userAgreementBtn) {
     userAgreementBtn.addEventListener('click', () => {
-      showToast('用户协议页面待完善');
+      const agreementUrl = CONFIG?.system?.userAgreementUrl;
+      if (agreementUrl) {
+        window.open(agreementUrl, '_blank');
+      } else {
+        showToast('用户协议链接未配置');
+      }
     });
   }
 }
@@ -2986,10 +3028,10 @@ function showAgentHistoryPage() {
             <div class="agent-history-item" data-conv-id="${conv.id}">
               <div class="agent-history-left">
                 <span class="agent-history-avatar">${conv.agent ? conv.agent.avatar : '🤖'}</span>
-                <span class="agent-history-name">${conv.title}</span>
+                <span class="agent-history-title">${conv.title}</span>
               </div>
               <div class="agent-history-right">
-                <span class="agent-history-agent">${conv.agent ? conv.agent.name : '未知智能体'}</span>
+                <span class="agent-history-agent-name">${conv.agent ? conv.agent.name : '未知智能体'}</span>
                 <span class="agent-history-time">${formatTime(conv.updatedAt)}</span>
               </div>
             </div>
@@ -3025,6 +3067,9 @@ async function openAgent(agentId) {
   currentAgent = systemAgents.find(a => a.id === agentId);
   if (!currentAgent) return;
   
+  // 加载该智能体的工具选择状态
+  loadToolsState();
+  
   // 检查未登录用户的智能体限制
   if (!currentUser) {
     const check = canUseAgent(agentId);
@@ -3067,7 +3112,7 @@ async function openAgent(agentId) {
   // 创建新对话并设置智能体
   const newConv = {
     id: backendId || Date.now().toString(),
-    title: currentAgent.name,
+    title: '新对话',  // 和普通对话一样，初始标题为"新对话"，后续自动生成
     messages: [],
     agentId: agentId,
     createdAt: Date.now(),
@@ -3111,17 +3156,10 @@ function showAgentChatPage() {
         <div class="messages" id="messages"></div>
       </div>
       
-      <!-- 功能开关栏 -->
+      <!-- 功能栏（智能体对话不需要工具选择，工具由后台配置） -->
       <div class="feature-bar" id="featureBar">
         <div class="feature-left">
-          <button class="feature-btn thinking-btn" id="thinkingBtn">
+          <!-- 智能体工具由后台配置，不显示选择按钮 -->
-            <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>
-            <span>深度思考</span>
-          </button>
-          <button class="feature-btn search-btn" id="searchBtn">
-            <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 7 9.5 7 14 9.01 14 9.5 11.99 14 9.5 14z"/></svg>
-            <span>联网搜索</span>
-          </button>
         </div>
         <div class="feature-right">
           <button class="feature-btn nav-btn" id="scrollTopBtn">
@@ -3213,6 +3251,14 @@ function showAgentChatPage() {
     });
   }
   
+  // 绑定更多工具按钮
+  const moreToolsBtn = document.getElementById('moreToolsBtn');
+  if (moreToolsBtn) {
+    moreToolsBtn.addEventListener('click', () => {
+      showToolsSelector();
+    });
+  }
+  
   // 绑定输入事件
   userInput.addEventListener('keydown', handleKeyDown);
   userInput.addEventListener('input', (e) => autoResize(e.target));
@@ -3567,6 +3613,10 @@ function openConversation(id) {
     return;
   }
   
+  // 普通对话，加载普通对话的工具状态
+  currentAgent = null;
+  loadToolsState();
+  
   // 渲染对话页面
   const chatHtml = `
     <div id="chatPage">
@@ -3608,6 +3658,11 @@ function openConversation(id) {
             <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 7 9.5 7 14 9.01 14 9.5 11.99 14 9.5 14z"/></svg>
             <span>联网搜索</span>
           </button>
+          <button class="feature-btn tools-btn" id="moreToolsBtn">
+            <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.4 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z"/></svg>
+            <span>更多工具</span>
+            ${enabledTools.length > 0 ? `<span class="tools-count">${enabledTools.length}</span>` : ''}
+          </button>
         </div>
         <div class="feature-right">
           <button class="feature-btn nav-btn" id="scrollTopBtn" title="回到顶部">
@@ -3690,6 +3745,14 @@ function openConversation(id) {
     });
   }
   
+  // 绑定更多工具按钮
+  const moreToolsBtn = document.getElementById('moreToolsBtn');
+  if (moreToolsBtn) {
+    moreToolsBtn.addEventListener('click', () => {
+      showToolsSelector();
+    });
+  }
+  
   // 绑定置顶置底按钮事件
   const scrollTopBtn = document.getElementById('scrollTopBtn');
   const scrollBottomBtn = document.getElementById('scrollBottomBtn');
@@ -4084,6 +4147,166 @@ function logStatsToBackend(type, key, value = 1) {
   }).catch(e => console.error('统计记录失败:', e));
 }
 
+// 显示工具选择弹窗
+function showToolsSelector() {
+  if (allTools.length === 0) {
+    showToast('暂无可用工具');
+    return;
+  }
+  
+  // 工具类型图标映射
+  const toolIcons = {
+    search: '🔍',
+    calculator: '🧮',
+    image: '🎨',
+    code: '💻',
+    weather: '🌤️',
+    custom: '🔧'
+  };
+  
+  const toolsHtml = allTools.map(tool => `
+    <div class="tool-option ${enabledTools.includes(tool.tool_id) ? 'selected' : ''}" data-tool-id="${tool.tool_id}">
+      <div class="tool-checkbox">
+        <svg viewBox="0 0 24 24" width="20" height="20">
+          ${enabledTools.includes(tool.tool_id) 
+            ? '<path fill="currentColor" d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-7 14l-5-5 1.41-1.41L12 14.17l4.59-4.58L18 10l-6 6z"/>'
+            : '<path fill="currentColor" d="M19 5v14H5V5h14m0-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2z"/>'
+          }
+        </svg>
+      </div>
+      <div class="tool-icon">${toolIcons[tool.type] || '🔧'}</div>
+      <div class="tool-info">
+        <div class="tool-name">${tool.name}</div>
+        <div class="tool-type">${tool.type}</div>
+      </div>
+    </div>
+  `).join('');
+  
+  const popupHtml = `
+    <div class="tools-popup" id="toolsPopup">
+      <div class="tools-popup-content">
+        <div class="tools-popup-header">
+          <h3>选择工具</h3>
+          <button class="tools-popup-close" id="toolsPopupClose">×</button>
+        </div>
+        <div class="tools-popup-body">
+          <p class="tools-popup-tip">勾选要启用的工具（多选）</p>
+          <div class="tools-list">
+            ${toolsHtml}
+          </div>
+        </div>
+        <div class="tools-popup-footer">
+          <button class="tools-popup-btn cancel" id="toolsCancelBtn">取消</button>
+          <button class="tools-popup-btn confirm" id="toolsConfirmBtn">确认</button>
+        </div>
+      </div>
+    </div>
+  `;
+  
+  // 添加到页面
+  const existingPopup = document.getElementById('toolsPopup');
+  if (existingPopup) existingPopup.remove();
+  
+  document.body.appendChild(document.createElement('div'));
+  document.body.lastElementChild.outerHTML = popupHtml;
+  
+  // 绑定事件
+  document.querySelectorAll('.tool-option').forEach(option => {
+    option.addEventListener('click', () => {
+      option.classList.toggle('selected');
+      // 更新复选框图标
+      const checkbox = option.querySelector('.tool-checkbox svg');
+      const isSelected = option.classList.contains('selected');
+      checkbox.innerHTML = isSelected
+        ? '<path fill="currentColor" d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-7 14l-5-5 1.41-1.41L12 14.17l4.59-4.58L18 10l-6 6z"/>'
+        : '<path fill="currentColor" d="M19 5v14H5V5h14m0-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2z"/>';
+    });
+  });
+  
+  // 关闭按钮
+  document.getElementById('toolsPopupClose').addEventListener('click', closeToolsPopup);
+  document.getElementById('toolsCancelBtn').addEventListener('click', closeToolsPopup);
+  document.getElementById('toolsConfirmBtn').addEventListener('click', confirmToolsSelection);
+  
+  // 点击背景关闭
+  document.getElementById('toolsPopup').addEventListener('click', (e) => {
+    if (e.target.id === 'toolsPopup') {
+      closeToolsPopup();
+    }
+  });
+}
+
+function closeToolsPopup() {
+  const popup = document.getElementById('toolsPopup');
+  if (popup) popup.remove();
+}
+
+function confirmToolsSelection() {
+  // 获取选中的工具
+  const selectedTools = [];
+  document.querySelectorAll('.tool-option.selected').forEach(option => {
+    selectedTools.push(option.getAttribute('data-tool-id'));
+  });
+  
+  enabledTools = selectedTools;
+  
+  // 保存工具选择状态
+  saveToolsState();
+  
+  // 更新按钮显示
+  const moreToolsBtn = document.getElementById('moreToolsBtn');
+  if (moreToolsBtn) {
+    const countSpan = moreToolsBtn.querySelector('.tools-count');
+    if (enabledTools.length > 0) {
+      if (countSpan) {
+        countSpan.textContent = enabledTools.length;
+      } else {
+        const span = document.createElement('span');
+        span.className = 'tools-count';
+        span.textContent = enabledTools.length;
+        moreToolsBtn.appendChild(span);
+      }
+    } else if (countSpan) {
+      countSpan.remove();
+    }
+  }
+  
+  closeToolsPopup();
+  showToast(`已启用 ${enabledTools.length} 个工具`);
+}
+
+// 保存工具选择状态
+function saveToolsState() {
+  if (currentAgent) {
+    // 智能体对话：保存到 localStorage（按智能体ID）
+    localStorage.setItem(`agentEnabledTools_${currentAgent.id}`, JSON.stringify(enabledTools));
+  } else {
+    // 普通对话：保存到 localStorage
+    localStorage.setItem('chatEnabledTools', JSON.stringify(enabledTools));
+  }
+}
+
+// 加载工具选择状态
+function loadToolsState() {
+  if (currentAgent) {
+    // 智能体对话：加载该智能体的工具状态
+    const saved = localStorage.getItem(`agentEnabledTools_${currentAgent.id}`);
+    if (saved) {
+      enabledTools = JSON.parse(saved);
+    } else {
+      enabledTools = [];
+    }
+  } else {
+    // 普通对话：加载普通对话的工具状态
+    const saved = localStorage.getItem('chatEnabledTools');
+    if (saved) {
+      enabledTools = JSON.parse(saved);
+    } else {
+      enabledTools = [];
+    }
+  }
+}
+
 // 渲染头像（支持 emoji 和上传的图片）
 function renderAvatar(avatar) {
   if (!avatar) return '👤';
@@ -4343,7 +4566,11 @@ function renderMessages() {
   
   messagesDiv.innerHTML = currentConversation.messages.map((msg, index) => {
     const isUser = msg.role === 'user';
-    const avatar = isUser ? '👤' : '🤖';
+    // 用户头像使用实际头像，AI头像使用智能体头像或默认
+    const avatar = isUser
+      ? (currentUser?.avatar || '👤')
+      : (currentAgent?.avatar || '🤖');
+    const avatarHtml = isUser ? renderAvatar(avatar) : avatar;
     
     // 处理消息内容（支持图片）
     let contentHtml = '';
@@ -4418,7 +4645,7 @@ function renderMessages() {
     
     return `
       <div class="message ${msg.role}" data-index="${index}">
-        <div class="message-avatar">${avatar}</div>
+        <div class="message-avatar">${avatarHtml}</div>
         <div class="message-body">
           ${searchHtml}
           ${thinkingHtml}

www/style.css

@@ -1730,6 +1730,16 @@ body {
   color: var(--primary);
 }
 
+.recent-agent-title {
+  font-size: 14px;
+  color: #333;
+  font-weight: 500;
+  max-width: 120px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .recent-agent-agent-name {
   font-size: 12px;
   color: var(--primary);
@@ -1807,7 +1817,17 @@ body {
   color: var(--primary);
 }
 
-.agent-history-agent {
+.agent-history-title {
+  font-size: 14px;
+  color: #333;
+  font-weight: 500;
+  max-width: 150px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.agent-history-agent-name {
   font-size: 12px;
   color: var(--primary);
   background: rgba(102, 126, 234, 0.1);
@@ -2740,6 +2760,193 @@ body {
   flex-shrink: 0;
 }
 
+/* 更多工具按钮 */
+.tools-btn {
+  position: relative;
+}
+
+.tools-count {
+  position: absolute;
+  top: -4px;
+  right: -4px;
+  min-width: 16px;
+  height: 16px;
+  padding: 0 4px;
+  background: #ef4444;
+  color: white;
+  font-size: 11px;
+  font-weight: 600;
+  border-radius: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+/* 工具选择弹窗 */
+.tools-popup {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.5);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+}
+
+.tools-popup-content {
+  width: 90%;
+  max-width: 400px;
+  background: white;
+  border-radius: 16px;
+  overflow: hidden;
+}
+
+.tools-popup-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 16px 20px;
+  background: linear-gradient(135deg, var(--primary) 0%, #764ba2 100%);
+  color: white;
+}
+
+.tools-popup-header h3 {
+  margin: 0;
+  font-size: 18px;
+}
+
+.tools-popup-close {
+  width: 28px;
+  height: 28px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: rgba(255, 255, 255, 0.2);
+  border: none;
+  border-radius: 14px;
+  color: white;
+  font-size: 20px;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.tools-popup-close:hover {
+  background: rgba(255, 255, 255, 0.3);
+}
+
+.tools-popup-body {
+  padding: 16px 20px;
+}
+
+.tools-popup-tip {
+  color: #718096;
+  font-size: 13px;
+  margin-bottom: 16px;
+}
+
+.tools-list {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  max-height: 300px;
+  overflow-y: auto;
+}
+
+.tool-option {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 12px 16px;
+  background: #f5f7fa;
+  border: 2px solid transparent;
+  border-radius: 12px;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.tool-option:hover {
+  background: #e8ecf1;
+}
+
+.tool-option.selected {
+  background: rgba(102, 126, 234, 0.1);
+  border-color: var(--primary);
+}
+
+.tool-checkbox {
+  flex-shrink: 0;
+  color: #718096;
+}
+
+.tool-option.selected .tool-checkbox {
+  color: var(--primary);
+}
+
+.tool-icon {
+  width: 40px;
+  height: 40px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: white;
+  border-radius: 10px;
+  font-size: 20px;
+}
+
+.tool-info {
+  flex: 1;
+}
+
+.tool-name {
+  font-weight: 500;
+  color: #2d3748;
+}
+
+.tool-type {
+  font-size: 12px;
+  color: #718096;
+  margin-top: 2px;
+}
+
+.tools-popup-footer {
+  display: flex;
+  gap: 12px;
+  padding: 16px 20px;
+  background: #f5f7fa;
+}
+
+.tools-popup-btn {
+  flex: 1;
+  padding: 12px;
+  border: none;
+  border-radius: 10px;
+  font-size: 14px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.tools-popup-btn.cancel {
+  background: #e2e8f0;
+  color: #4a5568;
+}
+
+.tools-popup-btn.cancel:hover {
+  background: #cbd5e0;
+}
+
+.tools-popup-btn.confirm {
+  background: linear-gradient(135deg, var(--primary) 0%, #764ba2 100%);
+  color: white;
+}
+
+.tools-popup-btn.confirm:hover {
+  transform: scale(1.02);
+}
+
 /* 导航按钮样式 */
 .nav-btn {
   padding: 6px 8px;