diff --git a/web/index.html b/web/index.html
index ed72fdf..6119d5d 100644
--- a/web/index.html
+++ b/web/index.html
@@ -377,6 +377,80 @@
             line-height: 1.6;
         }
 
+        .search-box {
+            margin-bottom: 20px;
+            position: relative;
+        }
+
+        .search-input {
+            width: 100%;
+            padding: 12px 40px 12px 16px;
+            border: 2px solid #e0e0e0;
+            border-radius: 8px;
+            font-size: 16px;
+            transition: border-color 0.3s;
+        }
+
+        .search-input:focus {
+            outline: none;
+            border-color: #667eea;
+        }
+
+        .search-icon {
+            position: absolute;
+            right: 12px;
+            top: 50%;
+            transform: translateY(-50%);
+            color: #999;
+            font-size: 20px;
+        }
+
+        .group-header {
+            background: #f8f9fa;
+            padding: 15px 20px;
+            margin: 15px 0 10px 0;
+            border-radius: 8px;
+            cursor: pointer;
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            transition: background 0.3s;
+        }
+
+        .group-header:hover {
+            background: #e9ecef;
+        }
+
+        .group-title {
+            font-size: 18px;
+            font-weight: bold;
+            color: #333;
+        }
+
+        .group-count {
+            color: #999;
+            font-size: 14px;
+            margin-left: 10px;
+        }
+
+        .group-toggle {
+            font-size: 20px;
+            color: #667eea;
+            transition: transform 0.3s;
+        }
+
+        .group-toggle.collapsed {
+            transform: rotate(-90deg);
+        }
+
+        .group-content {
+            display: block;
+        }
+
+        .group-content.collapsed {
+            display: none;
+        }
+
         .api-docs {
             background: white;
             border-radius: 12px;
@@ -443,7 +517,12 @@
         <div class="data-list">
             <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;">
                 <h2 style="margin: 0;">📋 数据列表</h2>
-                <button class="btn btn-primary" onclick="loadDataList()">🔄 刷新</button>
+                <button class="btn btn-primary" onclick="loadData()">🔄 刷新</button>
+            </div>
+            <!-- Search Box -->
+            <div class="search-box">
+                <input type="text" class="search-input" id="search-input" placeholder="🔍 搜索 Tag..." oninput="filterData()">
+                <span class="search-icon">🔍</span>
             </div>
             <div id="data-container">
                 <div class="loading">正在加载...</div>
@@ -516,6 +595,8 @@
     <script>
         let currentViewData = null;
         let deleteCallback = null;
+        let allDataItems = []; // 存储所有数据项
+        let collapsedGroups = new Set(); // 存储折叠的分组
 
         // Toast 通知
         function showToast(message, type = 'success') {
@@ -580,23 +661,23 @@
             try {
                 const response = await fetch('/api/data');
                 const data = await response.json();
-                
+
                 const tags = data.tags || {};
                 const tagArray = Object.entries(tags).map(([tag, info]) => ({
                     tag,
                     ...info
                 }));
-                
+
                 // 统计
                 let validCount = 0;
                 let warningCount = 0;
                 let expiredCount = 0;
-                
+
                 tagArray.forEach(item => {
                     const expiresAt = new Date(item.expires_at);
                     const now = new Date();
                     const remaining = (expiresAt - now) / 1000 / 3600 / 24;
-                    
+
                     if (remaining < 0) {
                         expiredCount++;
                         item.status = 'expired';
@@ -608,32 +689,82 @@
                         item.status = 'valid';
                     }
                 });
-                
+
                 // 更新统计
                 document.getElementById('total-count').textContent = tagArray.length;
                 document.getElementById('valid-count').textContent = validCount;
                 document.getElementById('warning-count').textContent = warningCount;
                 document.getElementById('expired-count').textContent = expiredCount;
-                
+
+                // 保存所有数据项
+                allDataItems = tagArray;
+
                 // 渲染列表
-                const container = document.getElementById('data-container');
-                
-                if (tagArray.length === 0) {
-                    container.innerHTML = '<div class="empty">📭 暂无数据</div>';
-                    return;
+                renderDataList(tagArray);
+
+            } catch (error) {
+                console.error('加载失败:', error);
+                document.getElementById('data-container').innerHTML =
+                    '<div class="empty">❌ 加载失败，请刷新重试</div>';
+            }
+        }
+
+        // 渲染数据列表（支持分组）
+        function renderDataList(items) {
+            const container = document.getElementById('data-container');
+
+            if (items.length === 0) {
+                container.innerHTML = '<div class="empty">📭 暂无数据</div>';
+                return;
+            }
+
+            // 按分组组织数据
+            const groups = {};
+            items.forEach(item => {
+                const colonIndex = item.tag.indexOf(':');
+                const groupName = colonIndex > 0 ? item.tag.substring(0, colonIndex) : '未分组';
+
+                if (!groups[groupName]) {
+                    groups[groupName] = [];
                 }
-                
-                container.innerHTML = tagArray.map((item) => {
+                groups[groupName].push(item);
+            });
+
+            // 按分组名称排序
+            const sortedGroupNames = Object.keys(groups).sort((a, b) => {
+                if (a === '未分组') return 1;
+                if (b === '未分组') return -1;
+                return a.localeCompare(b);
+            });
+
+            // 渲染分组
+            let html = '';
+            sortedGroupNames.forEach(groupName => {
+                const groupItems = groups[groupName];
+                const isCollapsed = collapsedGroups.has(groupName);
+
+                html += `
+                    <div class="group-header" onclick="toggleGroup('${groupName.replace(/'/g, "\\'")}')">
+                        <div>
+                            <span class="group-title">${groupName}</span>
+                            <span class="group-count">(${groupItems.length})</span>
+                        </div>
+                        <span class="group-toggle ${isCollapsed ? 'collapsed' : ''}">▼</span>
+                    </div>
+                    <div class="group-content ${isCollapsed ? 'collapsed' : ''}" id="group-${groupName}">
+                `;
+
+                groupItems.forEach(item => {
                     const statusClass = `status-${item.status}`;
                     const statusText = {
                         'valid': '正常',
                         'warning': '即将过期',
                         'expired': '已过期'
                     }[item.status];
-                    
+
                     const escapedTag = item.tag.replace(/'/g, "\\'").replace(/"/g, '\\"');
-                    
-                    return `
+
+                    html += `
                         <div class="data-item">
                             <div class="data-info">
                                 <div class="data-tag">
@@ -641,8 +772,8 @@
                                     <span class="status-badge ${statusClass}">${statusText}</span>
                                 </div>
                                 <div class="data-meta">
-                                    类型: ${item.type} | 
-                                    创建: ${item.created_at} | 
+                                    类型: ${item.type} |
+                                    创建: ${item.created_at} |
                                     过期: ${item.expires_at}
                                 </div>
                             </div>
@@ -654,13 +785,45 @@
                             </div>
                         </div>
                     `;
-                }).join('');
-                
-            } catch (error) {
-                console.error('加载失败:', error);
-                document.getElementById('data-container').innerHTML = 
-                    '<div class="empty">❌ 加载失败，请刷新重试</div>';
+                });
+
+                html += '</div>';
+            });
+
+            container.innerHTML = html;
+        }
+
+        // 切换分组折叠/展开
+        function toggleGroup(groupName) {
+            if (collapsedGroups.has(groupName)) {
+                collapsedGroups.delete(groupName);
+            } else {
+                collapsedGroups.add(groupName);
             }
+
+            // 重新渲染当前显示的数据
+            const searchTerm = document.getElementById('search-input').value.trim().toLowerCase();
+            if (searchTerm) {
+                filterData();
+            } else {
+                renderDataList(allDataItems);
+            }
+        }
+
+        // 搜索过滤
+        function filterData() {
+            const searchTerm = document.getElementById('search-input').value.trim().toLowerCase();
+
+            if (!searchTerm) {
+                renderDataList(allDataItems);
+                return;
+            }
+
+            const filteredItems = allDataItems.filter(item =>
+                item.tag.toLowerCase().includes(searchTerm)
+            );
+
+            renderDataList(filteredItems);
         }
         
         // 查看数据