diff --git a/app/web.py b/app/web.py
index 0a09378..39fda8a 100644
--- a/app/web.py
+++ b/app/web.py
@@ -257,6 +257,194 @@ async def get_users():
     return {"users": users}
 
 
+@app.post("/api/users")
+async def add_user(request: dict):
+    """添加用户"""
+    user_id = request.get("user_id", "").strip()
+
+    if not user_id:
+        raise HTTPException(status_code=400, detail="用户ID不能为空")
+
+    # 验证用户ID格式
+    if not user_id or len(user_id) < 10:
+        raise HTTPException(status_code=400, detail="用户ID格式不正确")
+
+    users_file = os.path.join(config.DATA_DIR, "users.txt")
+
+    # 检查是否已存在
+    if os.path.exists(users_file):
+        with open(users_file, 'r', encoding='utf-8') as f:
+            existing_users = [line.strip() for line in f if line.strip()]
+            if user_id in existing_users:
+                raise HTTPException(status_code=400, detail="用户ID已存在")
+
+    # 添加到文件
+    with open(users_file, 'a', encoding='utf-8') as f:
+        f.write(f"{user_id}\n")
+
+    return {
+        "success": True,
+        "message": f"用户 {user_id} 已添加",
+        "user_id": user_id
+    }
+
+
+@app.delete("/api/users/{user_id}")
+async def remove_user(user_id: str):
+    """删除用户"""
+    users_file = os.path.join(config.DATA_DIR, "users.txt")
+
+    if not os.path.exists(users_file):
+        raise HTTPException(status_code=404, detail="用户文件不存在")
+
+    # 读取所有用户
+    with open(users_file, 'r', encoding='utf-8') as f:
+        users = [line.strip() for line in f if line.strip()]
+
+    # 检查用户是否存在
+    if user_id not in users:
+        raise HTTPException(status_code=404, detail="用户不存在")
+
+    # 删除用户
+    users.remove(user_id)
+
+    # 写回文件
+    with open(users_file, 'w', encoding='utf-8') as f:
+        for user in users:
+            f.write(f"{user}\n")
+
+    # 删除采集数据文件
+    data_file = os.path.join(config.DATA_DIR, f"{user_id}.json")
+    if os.path.exists(data_file):
+        os.remove(data_file)
+
+    return {
+        "success": True,
+        "message": f"用户 {user_id} 已删除"
+    }
+
+
+@app.delete("/api/users")
+async def clear_all_users():
+    """清空所有用户"""
+    users_file = os.path.join(config.DATA_DIR, "users.txt")
+
+    if not os.path.exists(users_file):
+        raise HTTPException(status_code=404, detail="用户文件不存在")
+
+    # 清空文件
+    with open(users_file, 'w', encoding='utf-8') as f:
+        f.write("")
+
+    # 删除所有采集数据
+    data_dir = config.DATA_DIR
+    for filename in os.listdir(data_dir):
+        if filename.endswith('.json') and filename != 'auth_state.json':
+            file_path = os.path.join(data_dir, filename)
+            os.remove(file_path)
+
+    # 重置状态
+    app_state.users_status = {}
+
+    return {
+        "success": True,
+        "message": "所有用户已清空"
+    }
+
+
+@app.post("/api/users/import/txt")
+async def import_users_from_txt():
+    """从users.txt导入用户（模拟）"""
+    users_file = os.path.join(config.DATA_DIR, "users.txt")
+
+    if not os.path.exists(users_file):
+        raise HTTPException(status_code=404, detail="users.txt文件不存在")
+
+    with open(users_file, 'r', encoding='utf-8') as f:
+        user_ids = [line.strip() for line in f if line.strip()]
+
+    return {
+        "success": True,
+        "count": len(user_ids),
+        "users": user_ids
+    }
+
+
+@app.get("/api/users/export/txt")
+async def export_users_to_txt():
+    """导出用户列表到txt文件"""
+    users_file = os.path.join(config.DATA_DIR, "users.txt")
+
+    if not os.path.exists(users_file):
+        raise HTTPException(status_code=404, detail="用户文件不存在")
+
+    with open(users_file, 'r', encoding='utf-8') as f:
+        content = f.read()
+
+    return StreamingResponse(
+        iter([content]),
+        media_type="text/plain",
+        headers={
+            "Content-Disposition": f"attachment; filename=users_{datetime.now().strftime('%Y%m%d_%H%M%S')}.txt"
+        }
+    )
+
+
+# ========== 登录相关 API ==========
+
+class LoginStatusResponse(BaseModel):
+    logged_in: bool
+    login_time: Optional[str] = None
+
+
+@app.get("/api/login/status", response_model=LoginStatusResponse)
+async def get_login_status():
+    """获取登录状态"""
+    auth_file = os.path.join(config.DATA_DIR, "auth_state.json")
+
+    if not os.path.exists(auth_file):
+        return LoginStatusResponse(logged_in=False)
+
+    try:
+        with open(auth_file, 'r', encoding='utf-8') as f:
+            auth_data = json.load(f)
+
+        return LoginStatusResponse(
+            logged_in=auth_data.get("logged_in", False),
+            login_time=auth_data.get("login_time")
+        )
+    except Exception:
+        return LoginStatusResponse(logged_in=False)
+
+
+@app.post("/api/login/qrcode")
+async def generate_qrcode():
+    """生成登录二维码"""
+    # 这里应该调用实际的小红书登录API
+    # 暂时返回模拟数据
+    return {
+        "qr_url": "https://example.com/login/qrcode",
+        "qr_id": "123456"
+    }
+
+
+@app.post("/api/logout")
+async def logout():
+    """退出登录"""
+    auth_file = os.path.join(config.DATA_DIR, "auth_state.json")
+
+    try:
+        if os.path.exists(auth_file):
+            os.remove(auth_file)
+
+        return {
+            "success": True,
+            "message": "已退出登录"
+        }
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"退出登录失败: {str(e)}")
+
+
 @app.get("/api/data/{user_id}")
 async def get_user_data(user_id: str):
     """获取用户采集数据"""
diff --git a/static/app.js b/static/app.js
index e2aa2ec..b6812cf 100644
--- a/static/app.js
+++ b/static/app.js
@@ -46,7 +46,36 @@ const elements = {
     logSearch: null,
     screenshotPanel: null,
     screenshotImage: null,
-    closeScreenshot: null
+    closeScreenshot: null,
+    // 账号管理相关
+    addAccountBtn: null,
+    refreshAccountsBtn: null,
+    accountStatus: null,
+    loginStatusIndicator: null,
+    loginStatusText: null,
+    // 模态框相关
+    accountModal: null,
+    closeAccountModal: null,
+    loginBtn: null,
+    logoutBtn: null,
+    loginInfo: null,
+    modalLoginStatus: null,
+    loginTime: null,
+    modalUserList: null,
+    modalUserCount: null,
+    clearAllUsersBtn: null,
+    newUserIdInput: null,
+    addUserIdBtn: null,
+    importFromTxtBtn: null,
+    exportToTxtBtn: null,
+    // 登录二维码模态框
+    loginQrModal: null,
+    closeLoginQrModal: null,
+    qrcodeContainer: null,
+    qrLoginStatus: null,
+    qrExpireTime: null,
+    // Toast
+    toast: null
 };
 
 // ========== 初始化 ==========
@@ -79,6 +108,39 @@ function init() {
     elements.screenshotImage = document.getElementById('screenshotImage');
     elements.closeScreenshot = document.getElementById('closeScreenshot');
 
+    // 账号管理相关
+    elements.addAccountBtn = document.getElementById('addAccountBtn');
+    elements.refreshAccountsBtn = document.getElementById('refreshAccountsBtn');
+    elements.accountStatus = document.getElementById('accountStatus');
+    elements.loginStatusIndicator = document.getElementById('loginStatusIndicator');
+    elements.loginStatusText = document.getElementById('loginStatusText');
+
+    // 模态框相关
+    elements.accountModal = document.getElementById('accountModal');
+    elements.closeAccountModal = document.getElementById('closeAccountModal');
+    elements.loginBtn = document.getElementById('loginBtn');
+    elements.logoutBtn = document.getElementById('logoutBtn');
+    elements.loginInfo = document.getElementById('loginInfo');
+    elements.modalLoginStatus = document.getElementById('modalLoginStatus');
+    elements.loginTime = document.getElementById('loginTime');
+    elements.modalUserList = document.getElementById('modalUserList');
+    elements.modalUserCount = document.getElementById('modalUserCount');
+    elements.clearAllUsersBtn = document.getElementById('clearAllUsersBtn');
+    elements.newUserIdInput = document.getElementById('newUserIdInput');
+    elements.addUserIdBtn = document.getElementById('addUserIdBtn');
+    elements.importFromTxtBtn = document.getElementById('importFromTxtBtn');
+    elements.exportToTxtBtn = document.getElementById('exportToTxtBtn');
+
+    // 登录二维码模态框
+    elements.loginQrModal = document.getElementById('loginQrModal');
+    elements.closeLoginQrModal = document.getElementById('closeLoginQrModal');
+    elements.qrcodeContainer = document.getElementById('qrcodeContainer');
+    elements.qrLoginStatus = document.getElementById('qrLoginStatus');
+    elements.qrExpireTime = document.getElementById('qrExpireTime');
+
+    // Toast
+    elements.toast = document.getElementById('toast');
+
     // 加载主题
     loadTheme();
 
@@ -143,6 +205,37 @@ function bindEvents() {
         const { scrollTop, scrollHeight, clientHeight } = elements.logContainer;
         state.autoScrollLogs = scrollTop + clientHeight >= scrollHeight - 10;
     });
+
+    // 账号管理事件
+    elements.addAccountBtn.addEventListener('click', openAccountModal);
+    elements.refreshAccountsBtn.addEventListener('click', refreshAccounts);
+    elements.closeAccountModal.addEventListener('click', closeAccountModal);
+    elements.loginBtn.addEventListener('click', openLoginQrModal);
+    elements.logoutBtn.addEventListener('click', logout);
+    elements.clearAllUsersBtn.addEventListener('click', clearAllUsers);
+    elements.addUserIdBtn.addEventListener('click', addUserId);
+    elements.importFromTxtBtn.addEventListener('click', importFromTxt);
+    elements.exportToTxtBtn.addEventListener('click', exportToTxt);
+
+    // 新用户输入框回车事件
+    elements.newUserIdInput.addEventListener('keypress', (e) => {
+        if (e.key === 'Enter') {
+            addUserId();
+        }
+    });
+
+    // 登录二维码模态框关闭
+    elements.closeLoginQrModal.addEventListener('click', closeLoginQrModal);
+
+    // 点击模态框外部关闭
+    window.addEventListener('click', (e) => {
+        if (e.target === elements.accountModal) {
+            closeAccountModal();
+        }
+        if (e.target === elements.loginQrModal) {
+            closeLoginQrModal();
+        }
+    });
 }
 
 // ========== 加载初始数据 ==========
@@ -582,5 +675,309 @@ function debounce(func, wait) {
     };
 }
 
+// ========== 账号管理功能 ==========
+
+// 打开账号管理模态框
+function openAccountModal() {
+    elements.accountModal.classList.add('show');
+    loadAccountStatus();
+    renderModalUserList();
+}
+
+// 关闭账号管理模态框
+function closeAccountModal() {
+    elements.accountModal.classList.remove('show');
+}
+
+// 打开登录二维码模态框
+async function openLoginQrModal() {
+    elements.loginQrModal.classList.add('show');
+    elements.qrLoginStatus.textContent = '正在生成二维码...';
+
+    try {
+        const response = await fetch('/api/login/qrcode');
+        const data = await response.json();
+
+        if (response.ok) {
+            // 显示二维码
+            if (data.qr_url) {
+                // 使用简单的二维码显示（实际项目中可以使用QRCode.js等库）
+                elements.qrcodeContainer.innerHTML = `
+                    <div style="text-align: center;">
+                        <img src="https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${encodeURIComponent(data.qr_url)}" alt="登录二维码" style="max-width: 100%;">
+                    </div>
+                `;
+                elements.qrLoginStatus.textContent = '请扫码登录';
+
+                // 开始检查登录状态
+                checkLoginStatus();
+
+                // 设置二维码过期倒计时
+                let countdown = 120;
+                const countdownInterval = setInterval(() => {
+                    countdown--;
+                    elements.qrExpireTime.textContent = `${countdown}秒`;
+
+                    if (countdown <= 0) {
+                        clearInterval(countdownInterval);
+                        elements.qrLoginStatus.textContent = '二维码已过期，请重新生成';
+                        elements.qrcodeContainer.innerHTML = '<p style="color: var(--error-color);">二维码已过期</p>';
+                    }
+                }, 1000);
+            }
+        } else {
+            elements.qrcodeContainer.innerHTML = '<p style="color: var(--error-color);">生成二维码失败</p>';
+            elements.qrLoginStatus.textContent = '生成失败';
+        }
+    } catch (error) {
+        elements.qrcodeContainer.innerHTML = '<p style="color: var(--error-color);">网络错误</p>';
+        elements.qrLoginStatus.textContent = '网络错误';
+    }
+}
+
+// 关闭登录二维码模态框
+function closeLoginQrModal() {
+    elements.loginQrModal.classList.remove('show');
+}
+
+// 检查登录状态
+async function checkLoginStatus() {
+    try {
+        const response = await fetch('/api/login/status');
+        const data = await response.json();
+
+        if (data.logged_in) {
+            elements.qrLoginStatus.textContent = '登录成功！';
+            setTimeout(() => {
+                closeLoginQrModal();
+                closeAccountModal();
+                updateLoginStatus(true, data.login_time);
+                showToast('登录成功', 'success');
+            }, 1000);
+        } else {
+            // 继续检查
+            setTimeout(checkLoginStatus, 2000);
+        }
+    } catch (error) {
+        // 网络错误，继续检查
+        setTimeout(checkLoginStatus, 2000);
+    }
+}
+
+// 退出登录
+async function logout() {
+    try {
+        const response = await fetch('/api/logout', { method: 'POST' });
+        const data = await response.json();
+
+        if (response.ok) {
+            updateLoginStatus(false);
+            showToast('已退出登录', 'success');
+            closeAccountModal();
+        } else {
+            showToast('退出失败', 'error');
+        }
+    } catch (error) {
+        showToast('退出失败', 'error');
+    }
+}
+
+// 更新登录状态显示
+function updateLoginStatus(isLoggedIn, loginTime = null) {
+    const indicator = elements.loginStatusIndicator;
+    const statusText = elements.loginStatusText;
+    const modalStatus = elements.modalLoginStatus;
+
+    if (isLoggedIn) {
+        indicator.className = 'status-indicator online';
+        statusText.textContent = '已登录';
+        modalStatus.textContent = '已登录';
+        modalStatus.style.color = 'var(--success-color)';
+
+        if (loginTime) {
+            elements.loginTime.textContent = new Date(loginTime).toLocaleString('zh-CN');
+        }
+    } else {
+        indicator.className = 'status-indicator offline';
+        statusText.textContent = '未登录';
+        modalStatus.textContent = '未登录';
+        modalStatus.style.color = 'var(--error-color)';
+        elements.loginTime.textContent = '-';
+    }
+}
+
+// 加载账号状态
+async function loadAccountStatus() {
+    try {
+        const response = await fetch('/api/login/status');
+        const data = await response.json();
+        updateLoginStatus(data.logged_in, data.login_time);
+    } catch (error) {
+        updateLoginStatus(false);
+    }
+}
+
+// 刷新账号列表
+async function refreshAccounts() {
+    try {
+        const response = await fetch('/api/users');
+        const data = await response.json();
+        renderUserList(data.users);
+        renderModalUserList();
+        showToast('账号列表已刷新', 'success');
+    } catch (error) {
+        showToast('刷新失败', 'error');
+    }
+}
+
+// 渲染模态框中的用户列表
+function renderModalUserList() {
+    // 先从主用户列表获取数据
+    const userItems = elements.userList.querySelectorAll('.user-item');
+    const users = Array.from(userItems).map(item => ({
+        id: item.dataset.userId,
+        note_count: item.querySelector('.user-meta')?.textContent.match(/已采集 (\d+) 条笔记/)?.[1] || 0
+    }));
+
+    elements.modalUserCount.textContent = users.length;
+
+    if (users.length === 0) {
+        elements.modalUserList.innerHTML = `
+            <div class="empty-state" style="padding: 20px;">
+                <p>暂无用户数据</p>
+                <p class="hint">请在 data/users.txt 中添加用户 ID</p>
+            </div>
+        `;
+        return;
+    }
+
+    elements.modalUserList.innerHTML = users.map(user => `
+        <div class="modal-user-item">
+            <span class="modal-user-id">${user.id}</span>
+            <button class="modal-user-remove" onclick="removeUser('${user.id}')">
+                <span>×</span>
+            </button>
+        </div>
+    `).join('');
+}
+
+// 添加用户ID
+async function addUserId() {
+    const input = elements.newUserIdInput;
+    const userId = input.value.trim();
+
+    if (!userId) {
+        showToast('请输入用户ID', 'warning');
+        return;
+    }
+
+    // 验证用户ID格式（简单验证）
+    if (!/^[a-f0-9]{24}$/i.test(userId)) {
+        showToast('用户ID格式不正确', 'warning');
+        return;
+    }
+
+    try {
+        const response = await fetch('/api/users', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ user_id: userId })
+        });
+
+        const data = await response.json();
+
+        if (response.ok) {
+            input.value = '';
+            renderModalUserList();
+            showToast('用户添加成功', 'success');
+        } else {
+            showToast(data.detail || '添加失败', 'error');
+        }
+    } catch (error) {
+        showToast('添加失败', 'error');
+    }
+}
+
+// 删除单个用户
+async function removeUser(userId) {
+    try {
+        const response = await fetch(`/api/users/${userId}`, { method: 'DELETE' });
+        const data = await response.json();
+
+        if (response.ok) {
+            renderModalUserList();
+            showToast('用户已删除', 'success');
+        } else {
+            showToast(data.detail || '删除失败', 'error');
+        }
+    } catch (error) {
+        showToast('删除失败', 'error');
+    }
+}
+
+// 清空所有用户
+async function clearAllUsers() {
+    if (!confirm('确定要清空所有用户吗？此操作不可恢复！')) {
+        return;
+    }
+
+    try {
+        const response = await fetch('/api/users', { method: 'DELETE' });
+        const data = await response.json();
+
+        if (response.ok) {
+            renderUserList([]);
+            renderModalUserList();
+            showToast('所有用户已清空', 'success');
+        } else {
+            showToast(data.detail || '清空失败', 'error');
+        }
+    } catch (error) {
+        showToast('清空失败', 'error');
+    }
+}
+
+// 从txt文件导入用户
+async function importFromTxt() {
+    try {
+        // 在实际应用中，这里可以添加文件上传功能
+        // 这里先模拟从users.txt读取
+        const response = await fetch('/api/users/import/txt');
+        const data = await response.json();
+
+        if (response.ok) {
+            renderUserList(data.users);
+            renderModalUserList();
+            showToast(`成功导入 ${data.count} 个用户`, 'success');
+        } else {
+            showToast(data.detail || '导入失败', 'error');
+        }
+    } catch (error) {
+        showToast('导入失败', 'error');
+    }
+}
+
+// 导出到txt文件
+async function exportToTxt() {
+    try {
+        window.location.href = '/api/users/export/txt';
+        showToast('正在导出用户列表...', 'success');
+    } catch (error) {
+        showToast('导出失败', 'error');
+    }
+}
+
+// 显示Toast提示
+function showToast(message, type = 'info') {
+    const toast = elements.toast;
+    toast.textContent = message;
+    toast.className = `toast ${type}`;
+    toast.classList.add('show');
+
+    setTimeout(() => {
+        toast.classList.remove('show');
+    }, 3000);
+}
+
 // ========== 启动 ==========
 document.addEventListener('DOMContentLoaded', init);
diff --git a/static/style.css b/static/style.css
index 8ce1588..9bf27aa 100644
--- a/static/style.css
+++ b/static/style.css
@@ -1,24 +1,24 @@
-/* 小红书采集器样式表 */
+/* 小红书采集器样式表 - 绿色基调 */
 
 /* ========== CSS 变量 ========== */
 :root {
-    --bg-primary: #f5f7fa;
+    --bg-primary: #f0f7f4;
     --bg-secondary: #ffffff;
-    --bg-tertiary: #e8ecf1;
-    --text-primary: #2c3e50;
-    --text-secondary: #5a6c7d;
-    --text-muted: #8b95a5;
-    --border-color: #d1d9e6;
-    --primary-color: #ff2442;  /* 小红书红 */
-    --primary-hover: #e01f3a;
+    --bg-tertiary: #e1f0e8;
+    --text-primary: #1a2e23;
+    --text-secondary: #4a5c52;
+    --text-muted: #7a8a7f;
+    --border-color: #b8d4c2;
+    --primary-color: #10b981;  /* 翠翠绿 */
+    --primary-hover: #059669;
     --success-color: #10b981;
     --warning-color: #f59e0b;
     --error-color: #ef4444;
     --info-color: #3b82f6;
-    --debug-color: #8b95a5;
-    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
-    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
-    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
+    --debug-color: #7a8a7f;
+    --shadow-sm: 0 1px 2px 0 rgba(16, 185, 129, 0.05);
+    --shadow-md: 0 4px 6px -1px rgba(16, 185, 129, 0.1);
+    --shadow-lg: 0 10px 15px -3px rgba(16, 185, 129, 0.1);
     --radius-sm: 4px;
     --radius-md: 8px;
     --radius-lg: 12px;
@@ -26,13 +26,13 @@
 
 /* 深色主题 */
 body.dark-theme {
-    --bg-primary: #1a1d23;
-    --bg-secondary: #242830;
-    --bg-tertiary: #2d333d;
-    --text-primary: #e8eaed;
-    --text-secondary: #9aa0a6;
-    --text-muted: #5f6368;
-    --border-color: #3c4043;
+    --bg-primary: #0d1f17;
+    --bg-secondary: #1a2e23;
+    --bg-tertiary: #233a2e;
+    --text-primary: #e8f0ec;
+    --text-secondary: #8a9a8f;
+    --text-muted: #5a6a5f;
+    --border-color: #2d4a3a;
     --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
     --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
     --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
@@ -71,6 +71,7 @@ body {
     background: var(--bg-secondary);
     border-radius: var(--radius-lg);
     box-shadow: var(--shadow-sm);
+    border-left: 4px solid var(--primary-color);
 }
 
 .header h1 {
@@ -161,6 +162,15 @@ body {
     background: var(--border-color);
 }
 
+.btn-success {
+    background: var(--success-color);
+    color: white;
+}
+
+.btn-success:hover:not(:disabled) {
+    background: var(--primary-hover);
+}
+
 .btn-small {
     padding: 6px 12px;
     font-size: 12px;
@@ -210,14 +220,23 @@ body {
 }
 
 /* ========== 输入框 ========== */
-.input-small {
-    padding: 4px 8px;
+.input-small, .input-medium {
+    padding: 8px 12px;
     border: 1px solid var(--border-color);
     border-radius: var(--radius-md);
     background: var(--bg-secondary);
     color: var(--text-primary);
-    font-size: 12px;
+    font-size: 14px;
+}
+
+.input-small {
     width: 150px;
+    font-size: 12px;
+    padding: 6px 10px;
+}
+
+.input-medium {
+    flex: 1;
 }
 
 /* ========== 线程控制 ========== */
@@ -232,6 +251,56 @@ body {
     color: var(--text-secondary);
 }
 
+/* ========== 账号管理 ========== */
+.account-section {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+
+.account-controls {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+.account-status {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    padding: 4px 12px;
+    background: var(--bg-tertiary);
+    border-radius: var(--radius-md);
+    font-size: 14px;
+    font-weight: 500;
+}
+
+.status-indicator {
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+    background: var(--error-color);
+    animation: pulse 2s infinite;
+}
+
+.status-indicator.online {
+    background: var(--success-color);
+}
+
+.status-indicator.offline {
+    background: var(--error-color);
+}
+
+.status-indicator.loading {
+    background: var(--warning-color);
+}
+
+@keyframes pulse {
+    0% { opacity: 1; }
+    50% { opacity: 0.5; }
+    100% { opacity: 1; }
+}
+
 /* ========== 进度卡片 ========== */
 .progress-section {
     margin-bottom: 20px;
@@ -261,7 +330,7 @@ body {
 
 .progress-bar {
     height: 100%;
-    background: linear-gradient(90deg, var(--primary-color), #ff6b8a);
+    background: linear-gradient(90deg, var(--primary-color), #34d399);
     border-radius: var(--radius-md);
     display: flex;
     align-items: center;
@@ -314,12 +383,12 @@ body {
 /* ========== 主内容区 ========== */
 .main-content {
     display: grid;
-    grid-template-columns: 300px 1fr;
+    grid-template-columns: 350px 1fr;
     gap: 20px;
 }
 
 .main-content.with-threads {
-    grid-template-columns: 300px 250px 1fr;
+    grid-template-columns: 350px 250px 1fr;
 }
 
 /* ========== 面板 ========== */
@@ -361,6 +430,63 @@ body {
     padding: 16px;
 }
 
+/* ========== 账号管理面板 ========== */
+.account-panel {
+    margin-bottom: 20px;
+}
+
+.account-input-group {
+    display: flex;
+    gap: 8px;
+    margin-bottom: 12px;
+}
+
+.account-input-group input {
+    flex: 1;
+}
+
+.account-list {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+}
+
+.account-item {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: 10px 12px;
+    background: var(--bg-tertiary);
+    border-radius: var(--radius-md);
+    transition: all 0.2s;
+}
+
+.account-item:hover {
+    background: var(--border-color);
+}
+
+.account-item-id {
+    flex: 1;
+    font-family: monospace;
+    font-size: 13px;
+    color: var(--text-primary);
+}
+
+.account-item-remove {
+    background: none;
+    border: none;
+    color: var(--error-color);
+    cursor: pointer;
+    font-size: 18px;
+    padding: 4px;
+    border-radius: var(--radius-sm);
+    transition: background 0.2s;
+}
+
+.account-item-remove:hover {
+    background: rgba(239, 68, 68, 0.1);
+}
+
 /* ========== 用户列表 ========== */
 .user-list {
     display: flex;
@@ -539,7 +665,7 @@ body {
 }
 
 .log-level.DEBUG {
-    background: rgba(139, 149, 165, 0.15);
+    background: rgba(122, 138, 127, 0.15);
     color: var(--debug-color);
 }
 
@@ -567,6 +693,299 @@ body {
     display: block;
 }
 
+/* ========== 模态框 ========== */
+.modal {
+    display: none;
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgba(0, 0, 0, 0.5);
+    z-index: 1000;
+    animation: fadeIn 0.2s;
+}
+
+.modal.show {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.modal-content {
+    background: var(--bg-secondary);
+    border-radius: var(--radius-lg);
+    box-shadow: var(--shadow-lg);
+    width: 90%;
+    max-width: 600px;
+    max-height: 90vh;
+    display: flex;
+    flex-direction: column;
+    animation: slideIn 0.3s;
+}
+
+.modal-header {
+    padding: 20px;
+    border-bottom: 1px solid var(--border-color);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.modal-header h3 {
+    font-size: 18px;
+    font-weight: 600;
+    color: var(--text-primary);
+    margin: 0;
+}
+
+.modal-close {
+    background: none;
+    border: none;
+    font-size: 24px;
+    color: var(--text-muted);
+    cursor: pointer;
+    padding: 4px;
+    line-height: 1;
+    transition: color 0.2s;
+}
+
+.modal-close:hover {
+    color: var(--text-primary);
+}
+
+.modal-body {
+    flex: 1;
+    overflow-y: auto;
+    padding: 20px;
+}
+
+/* ========== 登录状态 ========== */
+.login-status-section {
+    margin-bottom: 24px;
+}
+
+.login-status-section h4 {
+    font-size: 16px;
+    font-weight: 600;
+    margin-bottom: 12px;
+    color: var(--text-primary);
+}
+
+.login-info {
+    background: var(--bg-tertiary);
+    padding: 12px;
+    border-radius: var(--radius-md);
+    margin-bottom: 12px;
+}
+
+.login-status-item {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 8px;
+}
+
+.login-status-item:last-child {
+    margin-bottom: 0;
+}
+
+.status-label {
+    font-size: 14px;
+    color: var(--text-secondary);
+}
+
+.status-value {
+    font-size: 14px;
+    font-weight: 500;
+    color: var(--text-primary);
+}
+
+.login-actions {
+    display: flex;
+    gap: 8px;
+}
+
+/* ========== 用户管理 ========== */
+.users-management-section {
+    margin-bottom: 24px;
+}
+
+.users-management-section h4 {
+    font-size: 16px;
+    font-weight: 600;
+    margin-bottom: 12px;
+    color: var(--text-primary);
+}
+
+.user-input-group {
+    display: flex;
+    gap: 8px;
+    margin-bottom: 12px;
+}
+
+.user-tips {
+    margin-bottom: 16px;
+}
+
+.users-list-container {
+    border: 1px solid var(--border-color);
+    border-radius: var(--radius-md);
+    overflow: hidden;
+}
+
+.users-list-header {
+    padding: 12px 16px;
+    background: var(--bg-tertiary);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    font-size: 14px;
+    font-weight: 500;
+}
+
+.users-list {
+    max-height: 200px;
+    overflow-y: auto;
+}
+
+.modal-user-item {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 10px 16px;
+    border-bottom: 1px solid var(--border-color);
+    transition: background 0.2s;
+}
+
+.modal-user-item:hover {
+    background: var(--bg-tertiary);
+}
+
+.modal-user-item:last-child {
+    border-bottom: none;
+}
+
+.modal-user-id {
+    font-family: monospace;
+    font-size: 13px;
+    color: var(--text-primary);
+    flex: 1;
+}
+
+.modal-user-remove {
+    background: none;
+    border: none;
+    color: var(--error-color);
+    cursor: pointer;
+    font-size: 18px;
+    padding: 4px;
+    border-radius: var(--radius-sm);
+    transition: background 0.2s;
+}
+
+.modal-user-remove:hover {
+    background: rgba(239, 68, 68, 0.1);
+}
+
+/* ========== 批量导入 ========== */
+.batch-import-section {
+    margin-bottom: 24px;
+}
+
+.batch-import-section h4 {
+    font-size: 16px;
+    font-weight: 600;
+    margin-bottom: 12px;
+    color: var(--text-primary);
+}
+
+.batch-import-controls {
+    display: flex;
+    gap: 8px;
+}
+
+/* ========== 登录二维码 ========== */
+.qr-login-container {
+    display: flex;
+    gap: 24px;
+}
+
+.qr-code-section {
+    flex: 1;
+    text-align: center;
+}
+
+#qrcodeContainer {
+    width: 200px;
+    height: 200px;
+    margin: 0 auto 12px;
+    background: white;
+    padding: 16px;
+    border-radius: var(--radius-md);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.qr-tips {
+    font-size: 14px;
+    color: var(--text-muted);
+    margin: 0;
+}
+
+/* ========== 浮动提示 ========== */
+.toast {
+    position: fixed;
+    bottom: 20px;
+    right: 20px;
+    padding: 12px 20px;
+    background: var(--bg-secondary);
+    border-radius: var(--radius-md);
+    box-shadow: var(--shadow-lg);
+    font-size: 14px;
+    font-weight: 500;
+    color: var(--text-primary);
+    transform: translateY(100px);
+    opacity: 0;
+    transition: all 0.3s;
+    z-index: 2000;
+}
+
+.toast.show {
+    transform: translateY(0);
+    opacity: 1;
+}
+
+.toast.success {
+    border-left: 4px solid var(--success-color);
+}
+
+.toast.error {
+    border-left: 4px solid var(--error-color);
+}
+
+.toast.warning {
+    border-left: 4px solid var(--warning-color);
+}
+
+/* ========== 动画 ========== */
+@keyframes fadeIn {
+    from { opacity: 0; }
+    to { opacity: 1; }
+}
+
+@keyframes slideIn {
+    from {
+        transform: translateY(-20px);
+        opacity: 0;
+    }
+    to {
+        transform: translateY(0);
+        opacity: 1;
+    }
+}
+
 /* ========== 滚动条样式 ========== */
 .panel-body::-webkit-scrollbar,
 .log-container::-webkit-scrollbar {
@@ -617,4 +1036,8 @@ body {
     .stat-value {
         font-size: 16px;
     }
+
+    .account-input-group {
+        flex-direction: column;
+    }
 }
diff --git a/templates/index.html b/templates/index.html
index f434119..4b885b9 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -3,14 +3,14 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>小红书数据采集器</title>
+    <title>XHS数据采集器</title>
     <link rel="stylesheet" href="/static/style.css">
 </head>
 <body>
     <div class="container">
         <!-- 顶部标题栏 -->
         <header class="header">
-            <h1>小红书数据采集器</h1>
+            <h1>XHS数据采集器</h1>
             <button class="theme-toggle" id="themeToggle" title="切换主题">
                 <span id="themeIcon">🌙</span>
             </button>
@@ -18,6 +18,7 @@
 
         <!-- 控制面板 -->
         <section class="control-panel">
+            <!-- 第一行：主要控制按钮 -->
             <div class="control-group">
                 <button class="btn btn-primary" id="startBtn">
                     <span class="btn-icon">▶</span> 启动采集
@@ -33,6 +34,7 @@
                 </button>
             </div>
 
+            <!-- 第二行：模式和线程控制 -->
             <div class="control-group">
                 <label class="radio-group">
                     <span class="label-text">模式:</span>
@@ -60,6 +62,25 @@
                     </select>
                 </div>
             </div>
+
+            <!-- 第三行：账号管理 -->
+            <div class="control-group">
+                <div class="account-section">
+                    <span class="label-text">账号管理:</span>
+                    <div class="account-controls">
+                        <button class="btn btn-secondary btn-small" id="addAccountBtn">
+                            <span class="btn-icon">➕</span> 添加账号
+                        </button>
+                        <button class="btn btn-secondary btn-small" id="refreshAccountsBtn">
+                            <span class="btn-icon">🔄</span> 刷新
+                        </button>
+                        <span class="account-status" id="accountStatus">
+                            <span class="status-indicator" id="loginStatusIndicator"></span>
+                            <span id="loginStatusText">未登录</span>
+                        </span>
+                    </div>
+                </div>
+            </div>
         </section>
 
         <!-- 进度概览 -->
@@ -157,7 +178,114 @@
                 <img id="screenshotImage" src="" alt="错误截图">
             </div>
         </section>
-    </div>
+
+        <!-- 账号管理模态框 -->
+        <div class="modal" id="accountModal">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h3>账号管理</h3>
+                    <button class="modal-close" id="closeAccountModal">&times;</button>
+                </div>
+                <div class="modal-body">
+                    <!-- 登录状态 -->
+                    <div class="login-status-section">
+                        <h4>登录状态</h4>
+                        <div class="login-info" id="loginInfo">
+                            <div class="login-status-item">
+                                <span class="status-label">状态:</span>
+                                <span class="status-value" id="modalLoginStatus">未登录</span>
+                            </div>
+                            <div class="login-status-item">
+                                <span class="status-label">登录时间:</span>
+                                <span class="status-value" id="loginTime">-</span>
+                            </div>
+                        </div>
+                        <div class="login-actions">
+                            <button class="btn btn-primary" id="loginBtn">
+                                <span class="btn-icon">🔐</span> 登录小红书
+                            </button>
+                            <button class="btn btn-danger" id="logoutBtn">
+                                <span class="btn-icon">🚪</span> 退出登录
+                            </button>
+                        </div>
+                    </div>
+
+                    <!-- 用户管理 -->
+                    <div class="users-management-section">
+                        <h4>用户列表管理</h4>
+                        <div class="user-input-group">
+                            <input type="text" id="newUserIdInput" placeholder="输入用户 ID" class="input-medium">
+                            <button class="btn btn-primary btn-small" id="addUserIdBtn">
+                                <span class="btn-icon">➕</span> 添加
+                            </button>
+                        </div>
+                        <div class="user-tips">
+                            <p class="hint">• 用户 ID 格式：5ef74296000000000100003a</p>
+                            <p class="hint">• 每行一个用户 ID</p>
+                            <p class="hint">• 支持从 data/users.txt 批量导入</p>
+                        </div>
+                        <div class="users-list-container">
+                            <div class="users-list-header">
+                                <span>已添加的用户 (<span id="modalUserCount">0</span>)</span>
+                                <button class="btn btn-secondary btn-small" id="clearAllUsersBtn">
+                                    <span class="btn-icon">🗑</span> 清空全部
+                                </button>
+                            </div>
+                            <div class="users-list" id="modalUserList">
+                                <!-- 用户列表将在这里显示 -->
+                            </div>
+                        </div>
+                    </div>
+
+                    <!-- 批量导入 -->
+                    <div class="batch-import-section">
+                        <h4>批量导入</h4>
+                        <div class="batch-import-controls">
+                            <button class="btn btn-secondary" id="importFromTxtBtn">
+                                <span class="btn-icon">📁</span> 从 users.txt 导入
+                            </button>
+                            <button class="btn btn-secondary" id="exportToTxtBtn">
+                                <span class="btn-icon">💾</span> 导出到 users.txt
+                            </button>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <!-- 登录二维码模态框 -->
+        <div class="modal" id="loginQrModal">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h3>扫码登录小红书</h3>
+                    <button class="modal-close" id="closeLoginQrModal">&times;</button>
+                </div>
+                <div class="modal-body">
+                    <div class="qr-login-container">
+                        <div class="qr-code-section">
+                            <div id="qrcodeContainer">
+                                <!-- 二维码将在这里显示 -->
+                            </div>
+                            <p class="qr-tips">请使用小红书App扫描二维码登录</p>
+                        </div>
+                        <div class="login-status-section">
+                            <h4>登录状态</h4>
+                            <div class="login-status-item">
+                                <span class="status-label">状态:</span>
+                                <span class="status-value" id="qrLoginStatus">等待扫码...</span>
+                            </div>
+                            <div class="login-status-item">
+                                <span class="status-label">二维码过期时间:</span>
+                                <span class="status-value" id="qrExpireTime">120秒</span>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <!-- 浮动提示 -->
+        <div class="toast" id="toast"></div>
 
     <script src="/static/app.js"></script>
 </body>