diff --git a/admin/binary.php b/admin/binary.php
index b0a3b7b..2f67dd4 100644
--- a/admin/binary.php
+++ b/admin/binary.php
@@ -12,7 +12,7 @@ if (!hasPermission('view_orders')) {
 // Auto-settle expired orders
 $db->beginTransaction();
 try {
-    $stmt = $db->prepare("SELECT o.*, u.win_loss_control as user_control FROM binary_orders o JOIN users u ON o.user_id = u.id WHERE o.status = 0 AND DATE_ADD(o.created_at, INTERVAL o.duration SECOND) <= NOW()");
+    $stmt = $db->prepare("SELECT o.*, u.win_loss_control as user_control FROM binary_orders o JOIN users u ON o.user_id = u.id WHERE o.status = 'pending' AND DATE_ADD(o.created_at, INTERVAL o.duration SECOND) <= NOW()");
     $stmt->execute();
     $expired = $stmt->fetchAll();
     foreach ($expired as $o) {
@@ -139,7 +139,7 @@ $orders = $stmt->fetchAll();
                     <?php endif; ?>
                 </td>
                 <td>
-                    <?php if ($o['status'] === 0): ?>
+                    <?php if ($o['status'] === 'pending'): ?>
                         <span class="badge bg-warning">进行中</span>
                     <?php elseif ($o['status'] === 'won'): ?>
                         <span class="badge bg-success">已盈利</span>
@@ -153,20 +153,20 @@ $orders = $stmt->fetchAll();
                     <?php if ($o['control_status'] == 1): ?>
                         <span class="badge bg-success">控赢</span>
                     <?php elseif ($o['control_status'] == 2): ?>
-                        <span class="badge bg-danger">控亏</span>
+                        <span class="badge bg-danger">控输</span>
                     <?php else: ?>
                         <span class="badge bg-secondary">正常</span>
                     <?php endif; ?>
                 </td>
                 <td class="text-end">
-                    <?php if ($o['status'] === 0): ?>
+                    <?php if ($o['status'] === 'pending'): ?>
                     <form method="POST" class="d-inline">
                         <input type="hidden" name="order_id" value="<?= $o['id'] ?>">
                         <input type="hidden" name="action" value="set_control">
                         <div class="btn-group btn-group-sm">
-                            <button name="control_status" value="1" class="btn btn-outline-success <?= $o['control_status'] == 1 ? 'active' : '' ?>">赢</button>
-                            <button name="control_status" value="2" class="btn btn-outline-danger <?= $o['control_status'] == 2 ? 'active' : '' ?>">亏</button>
-                            <button name="control_status" value="0" class="btn btn-outline-secondary <?= $o['control_status'] == 0 ? 'active' : '' ?>">改</button>
+                            <button name="control_status" value="1" class="btn btn-outline-success <?= $o['control_status'] == 1 ? 'active' : '' ?>">控赢</button>
+                            <button name="control_status" value="2" class="btn btn-outline-danger <?= $o['control_status'] == 2 ? 'active' : '' ?>">控输</button>
+                            <button name="control_status" value="0" class="btn btn-outline-secondary <?= $o['control_status'] == 0 ? 'active' : '' ?>">正常</button>
                         </div>
                     </form>
                     <?php endif; ?>
diff --git a/admin/contract.php b/admin/contract.php
index bab2a95..435ee6c 100644
--- a/admin/contract.php
+++ b/admin/contract.php
@@ -71,16 +71,16 @@ $orders = $stmt->fetchAll();
                 <td><?= $o['status'] ?></td>
                 <td>
                     <?php if ($o['control_status'] == 1): ?><span class="badge bg-success">控赢</span>
-                    <?php elseif ($o['control_status'] == 2): ?><span class="badge bg-danger">控亏</span>
+                    <?php elseif ($o['control_status'] == 2): ?><span class="badge bg-danger">控输</span>
                     <?php else: ?><span class="badge bg-secondary">正常</span><?php endif; ?>
                 </td>
                 <td>
                     <form method="POST" class="btn-group btn-group-sm">
                         <input type="hidden" name="order_id" value="<?= $o['id'] ?>">
                         <input type="hidden" name="action" value="set_control">
-                        <button name="control_status" value="1" class="btn btn-outline-success">赢</button>
-                        <button name="control_status" value="2" class="btn btn-outline-danger">亏</button>
-                        <button name="control_status" value="0" class="btn btn-outline-secondary">改</button>
+                        <button name="control_status" value="1" class="btn btn-outline-success">控赢</button>
+                        <button name="control_status" value="2" class="btn btn-outline-danger">控输</button>
+                        <button name="control_status" value="0" class="btn btn-outline-secondary">正常</button>
                     </form>
                 </td>
             </tr>
diff --git a/admin/customer_service.php b/admin/customer_service.php
index c035579..d09c2d1 100644
--- a/admin/customer_service.php
+++ b/admin/customer_service.php
@@ -309,6 +309,7 @@ ob_start();
 <script>
 let selectedUser = null;
 let selectedIp = null;
+let selectedSid = null;
 let lastMsgId = 0;
 let lastChatIds = new Set();
 let currentUserContext = '';
@@ -354,13 +355,15 @@ let notifySound = new Audio('https://assets.mixkit.co/active_storage/sfx/2358/23
                 const userId = u.user_id || 0;
                 const username = (u.username || '匿名访客').toString();
                 const uid = (u.uid || '---').toString();
-                const ip = (u.ip_address || '---').toString();
+                const rawIp = (u.ip_address || '').toString();
+                const rawSid = (u.session_id || '').toString();
+                const displayIp = rawIp || '---';
                 const rawRemark = (u.remark || '').toString();
                 const userTime = (u.user_time || '---').toString();
                 const registrationIp = (u.registration_ip || '---').toString();
                 
                 // Search filter
-                if (search && !username.toLowerCase().includes(search) && !ip.includes(search) && !uid.includes(search)) {
+                if (search && !username.toLowerCase().includes(search) && !rawIp.includes(search) && !uid.includes(search)) {
                     return;
                 }
 
@@ -373,7 +376,7 @@ let notifySound = new Audio('https://assets.mixkit.co/active_storage/sfx/2358/23
                     lastMsgText = '[收款账号信息]';
                 }
 
-                const isActive = (selectedIp === ip && selectedUser == userId);
+                const isActive = (selectedSid && rawSid ? selectedSid === rawSid : selectedIp === rawIp) && selectedUser == userId;
                 
                 // Safe strings for onclick
                 const jsName = username.replace(/\\/g, '\\\\').replace(/'/g, "\\'");
@@ -381,8 +384,8 @@ let notifySound = new Audio('https://assets.mixkit.co/active_storage/sfx/2358/23
 
                 html += `
                     <div class="user-card ${isActive ? 'active' : ''}" 
-                         onclick="openChat('${userId}', '${ip}', '${jsName}', '${uid}', '${jsRemark}', '${userTime}', '${registrationIp}')">
-                        <i class="bi bi-trash text-muted delete-chat-btn" title="删除会话" onclick="deleteChat('${userId}', '${ip}', event)"></i>
+                         onclick="openChat('${userId}', '${rawIp}', '${rawSid}', '${jsName}', '${uid}', '${jsRemark}', '${userTime}', '${registrationIp}')">
+                        <i class="bi bi-trash text-muted delete-chat-btn" title="删除会话" onclick="deleteChat('${userId}', '${rawIp}', '${rawSid}', event)"></i>
                         <div class="d-flex justify-content-between mb-1">
                             <span class="fw-bold small text-truncate" style="max-width: 150px;">${username}</span>
                             <span class="text-muted" style="font-size: 10px;">${isNaN(lastTime.getTime()) ? '---' : lastTime.toLocaleTimeString('zh-CN', {hour: '2-digit', minute:'2-digit'})}</span>
@@ -391,7 +394,7 @@ let notifySound = new Audio('https://assets.mixkit.co/active_storage/sfx/2358/23
                         <div class="small text-truncate text-muted mb-1" style="font-size: 12px;">${lastMsgText}</div>
                         <div class="d-flex justify-content-between align-items-center" style="font-size: 10px; margin-top: 4px; padding: 4px; background: rgba(0,123,255,0.05); border-radius: 4px;">
                             <span class="text-secondary">UID: ${uid}</span>
-                            <span class="text-primary fw-bold"><i class="bi bi-geo-alt-fill me-1"></i>${ip}</span>
+                            <span class="text-primary fw-bold"><i class="bi bi-geo-alt-fill me-1"></i>${displayIp}</span>
                         </div>
                         <div class="mt-1 text-muted" style="font-size: 9px;"><i class="bi bi-person-plus me-1"></i>注册IP: ${registrationIp}</div>
                     </div>
@@ -407,9 +410,10 @@ let notifySound = new Audio('https://assets.mixkit.co/active_storage/sfx/2358/23
         }
     }
 
-    function openChat(userId, ip, name, uid, remark, userTime, regIp) {
+    function openChat(userId, ip, sid, name, uid, remark, userTime, regIp) {
         selectedUser = userId;
         selectedIp = ip;
+        selectedSid = sid;
         document.getElementById('header-name').innerText = name;
         document.getElementById('header-uid').innerText = uid;
         document.getElementById('info-ip-header').innerText = ip;
@@ -419,11 +423,13 @@ let notifySound = new Audio('https://assets.mixkit.co/active_storage/sfx/2358/23
         document.getElementById('remark-area').style.display = 'block';
         
         // IP Location fetch
-        fetch(`https://ipapi.co/${ip}/json/`).then(r => r.json()).then(data => {
-            if (data.city) {
-                document.getElementById('info-ip-header').innerText = `${ip} (${data.city}, ${data.country_name})`;
-            }
-        }).catch(() => {});
+        if (ip && ip !== '---') {
+            fetch(`https://ipapi.co/${ip}/json/`).then(r => r.json()).then(data => {
+                if (data.city) {
+                    document.getElementById('info-ip-header').innerText = `${ip} (${data.city}, ${data.country_name})`;
+                }
+            }).catch(() => {});
+        }
 
         document.getElementById('remark-text').value = remark;
         document.getElementById('info-uid').innerText = uid;
@@ -446,18 +452,20 @@ async function recallMessage(msgId) {
     }
 }
 
-async function deleteChat(userId, ip, event) {
+async function deleteChat(userId, ip, sid, event) {
     if (event) event.stopPropagation();
     if (!confirm('确定删除该会话及其所有记录吗？')) return;
     const fd = new URLSearchParams();
     fd.append('user_id', userId);
     fd.append('ip_address', ip);
+    fd.append('session_id', sid);
     const r = await fetch('/api/chat.php?action=admin_delete_user', { method: 'POST', body: fd });
     const res = await r.json();
     if (res.success) {
-        if (selectedUser == userId && selectedIp == ip) {
+        if (selectedSid == sid && selectedIp == ip && selectedUser == userId) {
             selectedUser = null;
             selectedIp = null;
+            selectedSid = null;
             document.getElementById('chat-header').style.display = 'none';
             document.getElementById('input-area').style.display = 'none';
             document.getElementById('remark-area').style.display = 'none';
@@ -477,11 +485,13 @@ async function deleteUser() {
     const fd = new URLSearchParams();
     fd.append('user_id', selectedUser);
     fd.append('ip_address', selectedIp);
+    fd.append('session_id', selectedSid);
     const r = await fetch('/api/chat.php?action=admin_delete_user', { method: 'POST', body: fd });
     const res = await r.json();
     if (res.success) {
         selectedUser = null;
         selectedIp = null;
+        selectedSid = null;
         document.getElementById('chat-header').style.display = 'none';
         document.getElementById('input-area').style.display = 'none';
         document.getElementById('remark-area').style.display = 'none';
@@ -496,13 +506,13 @@ async function deleteUser() {
 }
 
 async function fetchMessages() {
-    if (!selectedIp && !selectedUser) return;
+    if (!selectedIp && !selectedUser && !selectedSid) return;
     try {
-        const r = await fetch(`/api/chat.php?action=get_messages&user_id=${selectedUser}&ip=${selectedIp}`);
+        const r = await fetch(`/api/chat.php?action=get_messages&user_id=${selectedUser}&ip=${selectedIp}&session_id=${selectedSid}`);
         const msgs = await r.json();
         if (!msgs || !Array.isArray(msgs)) return;
 
-        const context = selectedUser + '_' + selectedIp;
+        const context = selectedUser + '_' + selectedIp + '_' + selectedSid;
         if (currentUserContext !== context) {
             document.getElementById('messages-area').innerHTML = '';
             lastChatIds.clear();
@@ -709,6 +719,7 @@ document.getElementById('image-input').addEventListener('change', async (e) => {
     formData.append('file', file);
     formData.append('user_id', selectedUser || 0);
     formData.append('ip_address', selectedIp || '');
+    formData.append('session_id', selectedSid || '');
 
     try {
         const r = await fetch('/api/chat.php?action=upload_image', {
@@ -758,6 +769,7 @@ document.getElementById('chat-form').addEventListener('submit', async (e) => {
     fd.append('message', msg);
     fd.append('user_id', selectedUser);
     fd.append('ip_address', selectedIp);
+    fd.append('session_id', selectedSid);
 
     try {
         const r = await fetch('/api/chat.php?action=admin_send', { method: 'POST', body: fd });
@@ -779,6 +791,7 @@ document.getElementById('save-remark-btn').addEventListener('click', async () =>
     const fd = new URLSearchParams();
     fd.append('user_id', selectedUser);
     fd.append('ip_address', selectedIp);
+    fd.append('session_id', selectedSid);
     fd.append('remark', remark);
 
     const r = await fetch('/api/chat.php?action=save_remark', { method: 'POST', body: fd });
diff --git a/admin/index.php b/admin/index.php
index 32d561c..2279336 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -112,8 +112,8 @@ ob_start();
                         <td><?= number_format($o['amount'], 2) ?></td>
                         <td><span class="text-<?= $o['direction']=='buy'?'success':'danger' ?>"><?= $o['direction']=='buy'?'涨':'跌' ?></span></td>
                         <td>
-                            <?php if ($o['control_status']==1): ?><span class="badge bg-success">赢</span>
-                            <?php elseif ($o['control_status']==2): ?><span class="badge bg-danger">亏</span>
+                            <?php if ($o['control_status']==1): ?><span class="badge bg-success">控赢</span>
+                            <?php elseif ($o['control_status']==2): ?><span class="badge bg-danger">控输</span>
                             <?php else: ?>-<?php endif; ?>
                         </td>
                     </tr>
diff --git a/api/admin_notifications.php b/api/admin_notifications.php
index bef40c8..f7edfb7 100644
--- a/api/admin_notifications.php
+++ b/api/admin_notifications.php
@@ -55,7 +55,7 @@ if ($admin['is_agent']) {
     $pending_recharge = getCount($db, "SELECT COUNT(*) FROM finance_requests r JOIN users u ON r.user_id = u.id WHERE r.type = 'recharge' AND r.status = 0 AND u.agent_id = ? AND UNIX_TIMESTAMP(r.created_at) > ?", [$agent_id, $cleared_recharge]);
     $pending_withdrawal = getCount($db, "SELECT COUNT(*) FROM finance_requests r JOIN users u ON r.user_id = u.id WHERE r.type = 'withdrawal' AND r.status = 0 AND u.agent_id = ? AND UNIX_TIMESTAMP(r.created_at) > ?", [$agent_id, $cleared_recharge]);
     $pending_kyc = getCount($db, "SELECT COUNT(*) FROM users WHERE kyc_status = 1 AND agent_id = ? AND UNIX_TIMESTAMP(created_at) > ?", [$agent_id, $cleared_kyc]);
-    $active_binary = getCount($db, "SELECT COUNT(*) FROM binary_orders o JOIN users u ON o.user_id = u.id WHERE o.status = 0 AND u.agent_id = ? AND UNIX_TIMESTAMP(o.created_at) > ?", [$agent_id, $cleared_binary]);
+    $active_binary = getCount($db, "SELECT COUNT(*) FROM binary_orders o JOIN users u ON o.user_id = u.id WHERE o.status = 'pending' AND u.agent_id = ? AND UNIX_TIMESTAMP(o.created_at) > ?", [$agent_id, $cleared_binary]);
     $active_spot = getCount($db, "SELECT COUNT(*) FROM spot_orders o JOIN users u ON o.user_id = u.id WHERE o.status = 0 AND u.agent_id = ? AND UNIX_TIMESTAMP(o.created_at) > ?", [$agent_id, $cleared_spot]);
     $active_contract = getCount($db, "SELECT COUNT(*) FROM contract_orders o JOIN users u ON o.user_id = u.id WHERE o.status = 'open' AND u.agent_id = ? AND UNIX_TIMESTAMP(o.created_at) > ?", [$agent_id, $cleared_contract]);
     $new_messages = getCount($db, "SELECT COUNT(*) FROM messages m JOIN users u ON m.user_id = u.id WHERE m.sender = 'user' AND u.agent_id = ? AND UNIX_TIMESTAMP(m.created_at) > ?", [$agent_id, $cleared_messages]);
@@ -64,7 +64,7 @@ if ($admin['is_agent']) {
     $pending_recharge = getCount($db, "SELECT COUNT(*) FROM finance_requests WHERE type = 'recharge' AND status = 0 AND UNIX_TIMESTAMP(created_at) > ?", [$cleared_recharge]);
     $pending_withdrawal = getCount($db, "SELECT COUNT(*) FROM finance_requests WHERE type = 'withdrawal' AND status = 0 AND UNIX_TIMESTAMP(created_at) > ?", [$cleared_recharge]);
     $pending_kyc = getCount($db, "SELECT COUNT(*) FROM users WHERE kyc_status = 1 AND UNIX_TIMESTAMP(created_at) > ?", [$cleared_kyc]);
-    $active_binary = getCount($db, "SELECT COUNT(*) FROM binary_orders WHERE status = 0 AND UNIX_TIMESTAMP(created_at) > ?", [$cleared_binary]);
+    $active_binary = getCount($db, "SELECT COUNT(*) FROM binary_orders WHERE status = 'pending' AND UNIX_TIMESTAMP(created_at) > ?", [$cleared_binary]);
     $active_spot = getCount($db, "SELECT COUNT(*) FROM spot_orders WHERE status = 0 AND UNIX_TIMESTAMP(created_at) > ?", [$cleared_spot]);
     $active_contract = getCount($db, "SELECT COUNT(*) FROM contract_orders WHERE status = 'open' AND UNIX_TIMESTAMP(created_at) > ?", [$cleared_contract]);
     $new_messages = getCount($db, "SELECT COUNT(*) FROM messages WHERE sender = 'user' AND UNIX_TIMESTAMP(created_at) > ?", [$cleared_messages]);
diff --git a/api/binary.php b/api/binary.php
index ce2436a..3faef71 100644
--- a/api/binary.php
+++ b/api/binary.php
@@ -52,7 +52,7 @@ if ($action === 'place_order') {
            ->execute([$amount, $user_id]);
            
         // Insert order
-        $stmt = $db->prepare("INSERT INTO binary_orders (user_id, symbol, direction, amount, duration, entry_price, profit_rate, status, created_at, ip_address) VALUES (?, ?, ?, ?, ?, ?, ?, 0, NOW(), ?)");
+        $stmt = $db->prepare("INSERT INTO binary_orders (user_id, symbol, direction, amount, duration, entry_price, profit_rate, status, created_at, ip_address) VALUES (?, ?, ?, ?, ?, ?, ?, 'pending', NOW(), ?)");
         $stmt->execute([$user_id, $symbol, $direction, $amount, $duration, $entry_price, $profit_rate, getRealIP()]);
         $order_id = $db->lastInsertId();
         
@@ -73,7 +73,7 @@ if ($action === 'settle_order') {
     $stmt->execute([$order_id, $user_id]);
     $order = $stmt->fetch();
     
-    if (!$order || $order['status'] !== 0) {
+    if (!$order || $order['status'] !== 'pending') {
         echo json_encode(['success' => false, 'error' => __('no_records_found')]);
         exit;
     }
diff --git a/api/chat.php b/api/chat.php
index cab5b2e..a1b73db 100644
--- a/api/chat.php
+++ b/api/chat.php
@@ -33,23 +33,29 @@ if ($action === 'upload_image' || (isset($_POST['action']) && $_POST['action'] =
         if (isset($_SESSION['admin_id'])) {
             $user_id = (int)($_POST['user_id'] ?? 0);
             $ip = $_POST['ip_address'] ?? '';
+            $sid = $_POST['session_id'] ?? '';
+            if ($ip === '---') $ip = '';
             // If IP is missing, try to get it from messages or fallback to current IP
-            if (empty($ip)) {
+            if (empty($ip) && empty($sid)) {
                 if ($user_id != 0) {
-                    $stmt = db()->prepare("SELECT ip_address FROM messages WHERE user_id = ? AND ip_address != '' ORDER BY id DESC LIMIT 1");
+                    $stmt = db()->prepare("SELECT ip_address, session_id FROM messages WHERE user_id = ? AND ip_address != '' AND ip_address != '---' ORDER BY id DESC LIMIT 1");
                     $stmt->execute([$user_id]);
-                    $ip = $stmt->fetchColumn() ?: getRealIP();
-                } else {
+                    $row = $stmt->fetch();
+                    $ip = $row['ip_address'] ?? '';
+                    $sid = $row['session_id'] ?? '';
+                }
+                if (empty($ip)) {
                     $ip = getRealIP();
                 }
             }
             $sender = 'admin';
             $admin_id = $_SESSION['admin_id'];
-            $stmt = db()->prepare("INSERT INTO messages (user_id, admin_id, sender, message, ip_address) VALUES (?, ?, ?, ?, ?)");
-            $stmt->execute([$user_id, $admin_id, $sender, $message, $ip]);
+            $stmt = db()->prepare("INSERT INTO messages (user_id, admin_id, sender, message, ip_address, session_id) VALUES (?, ?, ?, ?, ?, ?)");
+            $stmt->execute([$user_id, $admin_id, $sender, $message, $ip, $sid]);
         } else {
             $user_id = (int)($_SESSION['user_id'] ?? 0);
             $ip = getRealIP();
+            $sid = session_id();
             
             // Fallback: If user_id is 0 but we find a user with this registration IP, associate it
             if ($user_id === 0) {
@@ -59,8 +65,8 @@ if ($action === 'upload_image' || (isset($_POST['action']) && $_POST['action'] =
             }
 
             $sender = 'user';
-            $stmt = db()->prepare("INSERT INTO messages (user_id, sender, message, ip_address) VALUES (?, ?, ?, ?)");
-            $stmt->execute([$user_id, $sender, $message, $ip]);
+            $stmt = db()->prepare("INSERT INTO messages (user_id, sender, message, ip_address, session_id) VALUES (?, ?, ?, ?, ?)");
+            $stmt->execute([$user_id, $sender, $message, $ip, $sid]);
         }
         
         $newId = db()->lastInsertId();
@@ -69,8 +75,8 @@ if ($action === 'upload_image' || (isset($_POST['action']) && $_POST['action'] =
         // Update visitors table to ensure immediate visibility for both users and admins
         if ($sender === 'user') {
             $user_time = date('H:i:s');
-            $stmt = db()->prepare("INSERT INTO chat_visitors (user_id, ip_address, user_time) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE last_ping = CURRENT_TIMESTAMP");
-            $stmt->execute([$user_id, $ip, $user_time]);
+            $stmt = db()->prepare("INSERT INTO chat_visitors (user_id, ip_address, session_id, user_time) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE last_ping = CURRENT_TIMESTAMP, session_id = VALUES(session_id)");
+            $stmt->execute([$user_id, $ip, $sid, $user_time]);
         }
         
         echo json_encode([
@@ -93,16 +99,17 @@ if ($action === 'get_messages') {
     $user_id = $_SESSION['user_id'] ?? 0;
     $target_user_id = $_GET['user_id'] ?? $user_id;
     $target_ip = $_GET['ip'] ?? getRealIP();
+    $target_sid = $_GET['session_id'] ?? '';
     
-    // If admin is requesting, we use the provided user_id and ip
+    // If admin is requesting, we use the provided user_id and ip/session
     if (isset($_SESSION['admin_id'])) {
-        $stmt = db()->prepare("SELECT * FROM messages WHERE (user_id = ? AND user_id != 0) OR (ip_address = ? AND ip_address != '') ORDER BY created_at ASC");
-        $stmt->execute([$target_user_id, $target_ip]);
+        $stmt = db()->prepare("SELECT * FROM messages WHERE (user_id = ? AND user_id != 0) OR (session_id = ? AND session_id != '') OR (ip_address = ? AND ip_address != '' AND session_id = '') ORDER BY created_at ASC");
+        $stmt->execute([$target_user_id, $target_sid, $target_ip]);
     } else {
         // User requesting their own messages
-        // If logged in, get by user_id. Also get by IP to catch visitor history.
         $user_id = (int)($_SESSION['user_id'] ?? 0);
         $ip = getRealIP();
+        $sid = session_id();
         
         // Fallback: If user_id is 0 but we find a user with this IP, associate it
         if ($user_id === 0) {
@@ -111,8 +118,8 @@ if ($action === 'get_messages') {
             $user_id = (int)($stmt->fetchColumn() ?: 0);
         }
 
-        $stmt = db()->prepare("SELECT * FROM messages WHERE (user_id = ? AND user_id != 0) OR (ip_address = ? AND ip_address != '') ORDER BY created_at ASC");
-        $stmt->execute([$user_id, $ip]);
+        $stmt = db()->prepare("SELECT * FROM messages WHERE (user_id = ? AND user_id != 0) OR (session_id = ?) OR (ip_address = ? AND ip_address != '' AND session_id = '') ORDER BY created_at ASC");
+        $stmt->execute([$user_id, $sid, $ip]);
     }
     
     $messages = $stmt->fetchAll();
@@ -126,6 +133,7 @@ if ($action === 'send_message') {
 
     $user_id = (int)($_SESSION['user_id'] ?? 0);
     $ip = getRealIP();
+    $sid = session_id();
     
     // Fallback: If user_id is 0 but we find a user with this registration IP, associate it
     if ($user_id === 0) {
@@ -134,14 +142,14 @@ if ($action === 'send_message') {
         $user_id = (int)($stmt->fetchColumn() ?: 0);
     }
 
-    $stmt = db()->prepare("INSERT INTO messages (user_id, sender, message, ip_address) VALUES (?, ?, ?, ?)");
-    $stmt->execute([$user_id, 'user', $message, $ip]);
+    $stmt = db()->prepare("INSERT INTO messages (user_id, sender, message, ip_address, session_id) VALUES (?, ?, ?, ?, ?)");
+    $stmt->execute([$user_id, 'user', $message, $ip, $sid]);
     $newId = db()->lastInsertId();
     
     // Also update visitors table to ensure immediate visibility
     $user_time = date('H:i:s');
-    $stmt = db()->prepare("INSERT INTO chat_visitors (user_id, ip_address, user_time) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE last_ping = CURRENT_TIMESTAMP");
-    $stmt->execute([$user_id, $ip, $user_time]);
+    $stmt = db()->prepare("INSERT INTO chat_visitors (user_id, ip_address, session_id, user_time) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE last_ping = CURRENT_TIMESTAMP, session_id = VALUES(session_id)");
+    $stmt->execute([$user_id, $ip, $sid, $user_time]);
 
     echo json_encode(['success' => true, 'id' => $newId, 'message' => ['id' => $newId, 'sender' => 'user', 'message' => $message, 'created_at' => date('Y-m-d H:i:s')]]);
     exit;
@@ -153,16 +161,21 @@ if ($action === 'admin_send') {
     $message = $_POST['message'] ?? '';
     $user_id = (int)($_POST['user_id'] ?? 0);
     $target_ip = $_POST['ip_address'] ?? '';
+    $target_sid = $_POST['session_id'] ?? '';
+    if ($target_ip === '---') $target_ip = '';
     
     if (!$message) exit(json_encode(['success' => false, 'error' => 'Empty message']));
 
-    // Robust IP matching: if target_ip is empty but user_id is set, try to find their last IP
-    if (empty($target_ip)) {
+    // Robust IP/Session matching: if target is empty but user_id is set, try to find their last known details
+    if (empty($target_ip) && empty($target_sid)) {
         if ($user_id != 0) {
-            $stmt = db()->prepare("SELECT ip_address FROM messages WHERE user_id = ? AND ip_address != '' ORDER BY id DESC LIMIT 1");
+            $stmt = db()->prepare("SELECT ip_address, session_id FROM messages WHERE user_id = ? AND ip_address != '' AND ip_address != '---' ORDER BY id DESC LIMIT 1");
             $stmt->execute([$user_id]);
-            $target_ip = $stmt->fetchColumn() ?: getRealIP();
-        } else {
+            $row = $stmt->fetch();
+            $target_ip = $row['ip_address'] ?? '';
+            $target_sid = $row['session_id'] ?? '';
+        }
+        if (empty($target_ip)) {
             $target_ip = getRealIP();
         }
     }
@@ -170,8 +183,8 @@ if ($action === 'admin_send') {
     $admin_id = $_SESSION['admin_id'] ?? 1; 
     $sender = 'admin';
 
-    $stmt = db()->prepare("INSERT INTO messages (user_id, admin_id, sender, message, ip_address) VALUES (?, ?, ?, ?, ?)");
-    $stmt->execute([$user_id, $admin_id, $sender, $message, $target_ip]);
+    $stmt = db()->prepare("INSERT INTO messages (user_id, admin_id, sender, message, ip_address, session_id) VALUES (?, ?, ?, ?, ?, ?)");
+    $stmt->execute([$user_id, $admin_id, $sender, $message, $target_ip, $target_sid]);
     $newId = db()->lastInsertId();
     echo json_encode(['success' => true, 'id' => $newId, 'message' => ['id' => $newId, 'sender' => $sender, 'message' => $message, 'created_at' => date('Y-m-d H:i:s')]]);
     exit;
@@ -181,9 +194,10 @@ if ($action === 'admin_send') {
 if ($action === 'ping') {
     $user_id = $_SESSION['user_id'] ?? 0;
     $ip = getRealIP();
+    $sid = session_id();
     $user_time = $_GET['user_time'] ?? '';
-    $stmt = db()->prepare("INSERT INTO chat_visitors (user_id, ip_address, user_time) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE last_ping = CURRENT_TIMESTAMP, user_time = ?");
-    $stmt->execute([$user_id, $ip, $user_time, $user_time]);
+    $stmt = db()->prepare("INSERT INTO chat_visitors (user_id, ip_address, session_id, user_time) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE last_ping = CURRENT_TIMESTAMP, user_time = ?, session_id = VALUES(session_id)");
+    $stmt->execute([$user_id, $ip, $sid, $user_time, $user_time]);
     echo json_encode(['success' => true]);
     exit;
 }
@@ -196,18 +210,20 @@ if ($action === 'admin_get_all') {
         exit;
     }
     try {
-        // Robust query to get all active chat sessions, merging guest sessions into user sessions if IP matches
+        // Robust query to get all active chat sessions, merging guest sessions into user sessions if IP or Session matches
+        // Grouping by (final_user_id, effective_sid, effective_ip) to ensure "One ID, One Conversation"
         $stmt = db()->query("
             SELECT 
                 v.final_user_id as user_id, 
-                v.ip_address, 
+                v.effective_ip as ip_address, 
+                v.effective_sid as session_id,
                 CASE 
                     WHEN m.message LIKE '<img%' THEN '[图片消息]' 
                     WHEN (m.message IS NULL OR m.message = '') AND v.has_recharge = 1 THEN '[充值申请]'
                     ELSE COALESCE(m.message, '新会话') 
                 END as message, 
                 COALESCE(m.created_at, v.last_activity) as created_at,
-                COALESCE(u.username, u.email, CONCAT('访客 ', COALESCE(v.ip_address, '0.0.0.0'))) as username, 
+                COALESCE(u.username, u.email, CONCAT('访客 ', COALESCE(NULLIF(v.effective_ip, ''), '0.0.0.0'))) as username, 
                 IFNULL(u.uid, '---') as uid, 
                 IFNULL(u.registration_ip, '---') as registration_ip,
                 IFNULL(r.remark, '') as remark,
@@ -215,47 +231,55 @@ if ($action === 'admin_get_all') {
             FROM (
                 SELECT 
                     final_user_id,
-                    MAX(ip_address) as ip_address,
+                    effective_ip,
+                    effective_sid,
                     MAX(last_activity) as last_activity,
                     MAX(user_time) as user_time,
                     MAX(has_recharge) as has_recharge
                 FROM (
                     SELECT 
-                        COALESCE(NULLIF(user_id, 0), (SELECT id FROM users WHERE registration_ip = messages.ip_address LIMIT 1), 0) as final_user_id, 
-                        IFNULL(ip_address, '') as ip_address, 
+                        COALESCE(NULLIF(user_id, 0), (SELECT id FROM users WHERE registration_ip = m.ip_address AND m.ip_address != '---' AND m.ip_address != '' LIMIT 1), 0) as final_user_id, 
+                        CASE WHEN ip_address = '---' THEN '' ELSE IFNULL(ip_address, '') END as effective_ip, 
+                        IFNULL(session_id, '') as effective_sid,
                         created_at as last_activity, 
                         NULL as user_time, 
                         0 as has_recharge 
-                    FROM messages
+                    FROM messages m
                     UNION ALL
                     SELECT 
-                        COALESCE(NULLIF(user_id, 0), (SELECT id FROM users WHERE registration_ip = chat_visitors.ip_address LIMIT 1), 0) as final_user_id, 
-                        IFNULL(ip_address, '') as ip_address, 
+                        COALESCE(NULLIF(user_id, 0), (SELECT id FROM users WHERE registration_ip = cv.ip_address AND cv.ip_address != '---' AND cv.ip_address != '' LIMIT 1), 0) as final_user_id, 
+                        CASE WHEN ip_address = '---' THEN '' ELSE IFNULL(ip_address, '') END as effective_ip, 
+                        IFNULL(session_id, '') as effective_sid,
                         last_ping as last_activity, 
                         user_time, 
                         0 as has_recharge 
-                    FROM chat_visitors
+                    FROM chat_visitors cv
                     UNION ALL
                     SELECT 
-                        COALESCE(NULLIF(user_id, 0), (SELECT id FROM users WHERE registration_ip = finance_requests.ip_address LIMIT 1), 0) as final_user_id, 
-                        IFNULL(ip_address, '') as ip_address, 
+                        COALESCE(NULLIF(user_id, 0), (SELECT id FROM users WHERE registration_ip = fr.ip_address AND fr.ip_address != '---' AND fr.ip_address != '' LIMIT 1), 0) as final_user_id, 
+                        CASE WHEN ip_address = '---' THEN '' ELSE IFNULL(ip_address, '') END as effective_ip, 
+                        '' as effective_sid,
                         created_at as last_activity, 
                         NULL as user_time, 
                         1 as has_recharge 
-                    FROM finance_requests
+                    FROM finance_requests fr
                 ) t1
-                GROUP BY (CASE WHEN final_user_id = 0 THEN 0 ELSE final_user_id END), (CASE WHEN final_user_id = 0 THEN ip_address ELSE '0' END)
+                GROUP BY final_user_id, (CASE WHEN final_user_id = 0 THEN effective_sid ELSE '' END), (CASE WHEN final_user_id = 0 AND effective_sid = '' THEN effective_ip ELSE '' END)
             ) v
             LEFT JOIN (
-                SELECT m1.* FROM messages m1
+                SELECT m1.*, m2.final_user_id as m_final_user_id, m2.effective_ip as m_effective_ip, m2.effective_sid as m_effective_sid FROM messages m1
                 INNER JOIN (
-                    SELECT MAX(id) as max_id FROM (
-                        SELECT id, COALESCE(NULLIF(user_id, 0), (SELECT id FROM users WHERE registration_ip = messages.ip_address LIMIT 1), 0) as final_user_id, ip_address FROM messages
-                    ) t2 GROUP BY (CASE WHEN final_user_id = 0 THEN 0 ELSE final_user_id END), (CASE WHEN final_user_id = 0 THEN ip_address ELSE '0' END)
+                    SELECT MAX(id) as max_id, final_user_id, effective_ip, effective_sid FROM (
+                        SELECT id, 
+                            COALESCE(NULLIF(user_id, 0), (SELECT id FROM users WHERE registration_ip = messages.ip_address AND messages.ip_address != '---' AND messages.ip_address != '' LIMIT 1), 0) as final_user_id, 
+                            CASE WHEN ip_address = '---' THEN '' ELSE IFNULL(ip_address, '') END as effective_ip,
+                            IFNULL(session_id, '') as effective_sid
+                        FROM messages
+                    ) t2 GROUP BY final_user_id, (CASE WHEN final_user_id = 0 THEN effective_sid ELSE '' END), (CASE WHEN final_user_id = 0 AND effective_sid = '' THEN effective_ip ELSE '' END)
                 ) m2 ON m1.id = m2.max_id
-            ) m ON (v.final_user_id = COALESCE(NULLIF(m.user_id, 0), (SELECT id FROM users WHERE registration_ip = m.ip_address LIMIT 1), 0))
+            ) m ON (v.final_user_id = m.m_final_user_id AND (v.final_user_id != 0 OR (v.effective_sid != '' AND v.effective_sid = m.m_effective_sid) OR (v.effective_sid = '' AND v.effective_ip = m.m_effective_ip)))
             LEFT JOIN users u ON (v.final_user_id = u.id AND v.final_user_id != 0)
-            LEFT JOIN chat_remarks r ON (v.final_user_id = COALESCE(r.user_id, 0) AND (v.final_user_id != 0 OR IFNULL(v.ip_address, '') = IFNULL(m.ip_address, '')))
+            LEFT JOIN chat_remarks r ON (v.final_user_id = r.user_id AND (v.final_user_id != 0 OR (v.effective_sid != '' AND v.effective_sid = r.session_id) OR (v.effective_sid = '' AND v.effective_ip = r.ip_address)))
             ORDER BY created_at DESC
         ");
         echo json_encode($stmt->fetchAll());
@@ -271,10 +295,12 @@ if ($action === 'save_remark') {
     
     $user_id = $_POST['user_id'] ?? 0;
     $ip = $_POST['ip_address'] ?? '';
+    $sid = $_POST['session_id'] ?? '';
+    if ($ip === '---') $ip = '';
     $remark = $_POST['remark'] ?? '';
     
-    $stmt = db()->prepare("INSERT INTO chat_remarks (user_id, ip_address, remark) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE remark = ?");
-    $stmt->execute([$user_id, $ip, $remark, $remark]);
+    $stmt = db()->prepare("INSERT INTO chat_remarks (user_id, ip_address, session_id, remark) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE remark = ?, session_id = VALUES(session_id)");
+    $stmt->execute([$user_id, $ip, $sid, $remark, $remark]);
     
     echo json_encode(['success' => true]);
     exit;
@@ -285,9 +311,11 @@ if ($action === 'get_remark') {
     
     $user_id = $_GET['user_id'] ?? 0;
     $ip = $_GET['ip'] ?? '';
+    $sid = $_GET['session_id'] ?? '';
+    if ($ip === '---') $ip = '';
     
-    $stmt = db()->prepare("SELECT remark FROM chat_remarks WHERE user_id = ? AND ip_address = ?");
-    $stmt->execute([$user_id, $ip]);
+    $stmt = db()->prepare("SELECT remark FROM chat_remarks WHERE user_id = ? AND (session_id = ? AND session_id != '') OR (user_id != 0 AND user_id = ?) OR (ip_address = ? AND ip_address != '' AND session_id = '')");
+    $stmt->execute([$user_id, $sid, $user_id, $ip]);
     $remark = $stmt->fetchColumn() ?: '';
     
     echo json_encode(['success' => true, 'remark' => $remark]);
@@ -298,6 +326,8 @@ if ($action === 'admin_delete_user') {
     if (!isset($_SESSION['admin_id'])) exit(json_encode(['success' => false, 'error' => 'Unauthorized']));
     $user_id = $_POST['user_id'] ?? 0;
     $ip = $_POST['ip_address'] ?? '';
+    $sid = $_POST['session_id'] ?? '';
+    if ($ip === '---') $ip = '';
     
     if ($user_id != 0) {
         $stmt = db()->prepare("DELETE FROM messages WHERE user_id = ?");
@@ -307,12 +337,12 @@ if ($action === 'admin_delete_user') {
         $stmt = db()->prepare("DELETE FROM chat_remarks WHERE user_id = ?");
         $stmt->execute([$user_id]);
     } else {
-        $stmt = db()->prepare("DELETE FROM messages WHERE user_id = 0 AND ip_address = ?");
-        $stmt->execute([$ip]);
-        $stmt = db()->prepare("DELETE FROM chat_visitors WHERE user_id = 0 AND ip_address = ?");
-        $stmt->execute([$ip]);
-        $stmt = db()->prepare("DELETE FROM chat_remarks WHERE user_id = 0 AND ip_address = ?");
-        $stmt->execute([$ip]);
+        $stmt = db()->prepare("DELETE FROM messages WHERE user_id = 0 AND (session_id = ? OR ip_address = ?)");
+        $stmt->execute([$sid, $ip]);
+        $stmt = db()->prepare("DELETE FROM chat_visitors WHERE user_id = 0 AND (session_id = ? OR ip_address = ?)");
+        $stmt->execute([$sid, $ip]);
+        $stmt = db()->prepare("DELETE FROM chat_remarks WHERE user_id = 0 AND (session_id = ? OR ip_address = ?)");
+        $stmt->execute([$sid, $ip]);
     }
     echo json_encode(['success' => true]);
     exit;
diff --git a/api/finance.php b/api/finance.php
index baec1e3..bc66990 100644
--- a/api/finance.php
+++ b/api/finance.php
@@ -32,7 +32,7 @@ if ($action === 'get_orders') {
     
     if ($tab === 'binary') {
         // Auto-settle expired orders
-        $stmt = $db->prepare("SELECT o.*, u.win_loss_control as user_control FROM binary_orders o JOIN users u ON o.user_id = u.id WHERE o.user_id = ? AND o.status = 0 AND DATE_ADD(o.created_at, INTERVAL o.duration SECOND) <= NOW()");
+        $stmt = $db->prepare("SELECT o.*, u.win_loss_control as user_control FROM binary_orders o JOIN users u ON o.user_id = u.id WHERE o.user_id = ? AND o.status = 'pending' AND DATE_ADD(o.created_at, INTERVAL o.duration SECOND) <= NOW()");
         $stmt->execute([$user_id]);
         $expired = $stmt->fetchAll();
         
@@ -88,10 +88,10 @@ if ($action === 'get_orders') {
                 'pnl' => $o['status'] === 'won' ? (float)($o['amount'] * $o['profit_rate'] / 100) : ($o['status'] === 'lost' ? -(float)$o['amount'] : 0),
                 'total' => $o['status'] === 'won' ? (float)($o['amount'] + ($o['amount'] * $o['profit_rate'] / 100)) : ($o['status'] === 'lost' ? 0.00 : '---'),
                 'status' => ($o['status'] === 'won' ? __('won') : ($o['status'] === 'lost' ? __('loss') : __('executing'))),
-                'status_type' => $o['status'] === 0 ? 'executing' : $o['status'],
+                'status_type' => $o['status'] === 'pending' ? 'executing' : $o['status'],
                 'profitRate' => $o['profit_rate']
             ];
-            if ($o['status'] === 0) {
+            if ($o['status'] === 'pending') {
                 $row['status'] = __('executing');
                 $row['totalSeconds'] = $o['duration'];
                 $elapsed = time() - strtotime($o['created_at']);
diff --git a/api/spot.php b/api/spot.php
index fac2df3..3fe0f28 100644
--- a/api/spot.php
+++ b/api/spot.php
@@ -47,7 +47,19 @@ try {
     $stmt = $db->prepare("INSERT INTO spot_orders (user_id, symbol, side, price, amount, filled, status, ip_address) VALUES (?, ?, ?, ?, ?, ?, 'filled', ?)");
     $stmt->execute([$user_id, $symbol, $side, $price, $amount, $amount, getRealIP()]);
     
-    // ...
+    // Add receive balance
+    $receive_symbol = ($side === 'buy') ? $symbol : 'USDT';
+    $receive_amount = ($side === 'buy') ? $amount : ($price * $amount);
+    
+    $stmt = $db->prepare("SELECT id FROM user_balances WHERE user_id = ? AND symbol = ?");
+    $stmt->execute([$user_id, $receive_symbol]);
+    if ($stmt->fetch()) {
+        $db->prepare("UPDATE user_balances SET available = available + ? WHERE user_id = ? AND symbol = ?")
+           ->execute([$receive_amount, $user_id, $receive_symbol]);
+    } else {
+        $db->prepare("INSERT INTO user_balances (user_id, symbol, available) VALUES (?, ?, ?)")
+           ->execute([$user_id, $receive_symbol, $receive_amount]);
+    }
     
     // Record transaction
     $db->prepare("INSERT INTO transactions (user_id, type, amount, symbol, status, ip_address) VALUES (?, ?, ?, ?, 'completed', ?)")
diff --git a/assets/images/chat/1771661562_699968faa32f7.png b/assets/images/chat/1771661562_699968faa32f7.png
new file mode 100644
index 0000000..8a6f72d
Binary files /dev/null and b/assets/images/chat/1771661562_699968faa32f7.png differ
diff --git a/assets/images/chat/1771661942_69996a760adf1.png b/assets/images/chat/1771661942_69996a760adf1.png
new file mode 100644
index 0000000..c2e55aa
Binary files /dev/null and b/assets/images/chat/1771661942_69996a760adf1.png differ
diff --git a/assets/images/chat/1771662235_69996b9bdbae5.png b/assets/images/chat/1771662235_69996b9bdbae5.png
new file mode 100644
index 0000000..a0a2b8e
Binary files /dev/null and b/assets/images/chat/1771662235_69996b9bdbae5.png differ
diff --git a/assets/images/chat/1771662254_69996bae21045.jpeg b/assets/images/chat/1771662254_69996bae21045.jpeg
new file mode 100644
index 0000000..a5ac901
Binary files /dev/null and b/assets/images/chat/1771662254_69996bae21045.jpeg differ
diff --git a/assets/pasted-20260221-080254-2cba8c09.png b/assets/pasted-20260221-080254-2cba8c09.png
new file mode 100644
index 0000000..c6afb95
Binary files /dev/null and b/assets/pasted-20260221-080254-2cba8c09.png differ
diff --git a/assets/pasted-20260221-080847-a20da952.png b/assets/pasted-20260221-080847-a20da952.png
new file mode 100644
index 0000000..c6afb95
Binary files /dev/null and b/assets/pasted-20260221-080847-a20da952.png differ
diff --git a/assets/pasted-20260221-081536-c92afd1b.png b/assets/pasted-20260221-081536-c92afd1b.png
new file mode 100644
index 0000000..0bdc38f
Binary files /dev/null and b/assets/pasted-20260221-081536-c92afd1b.png differ
diff --git a/assets/pasted-20260221-083858-38a6da88.png b/assets/pasted-20260221-083858-38a6da88.png
new file mode 100644
index 0000000..99e3c38
Binary files /dev/null and b/assets/pasted-20260221-083858-38a6da88.png differ
diff --git a/assets/pasted-20260221-085332-23d6424d.png b/assets/pasted-20260221-085332-23d6424d.png
new file mode 100644
index 0000000..4ec80a5
Binary files /dev/null and b/assets/pasted-20260221-085332-23d6424d.png differ
diff --git a/db/database.sql b/db/database.sql
index ea6dcee..54625cf 100644
--- a/db/database.sql
+++ b/db/database.sql
@@ -70,7 +70,7 @@ CREATE TABLE `binary_orders` (
   `profit_rate` decimal(5,2) NOT NULL,
   `entry_price` decimal(20,8) NOT NULL,
   `close_price` decimal(20,8) DEFAULT NULL,
-  `status` enum(0,'won','lost','cancelled') DEFAULT 0,
+  `status` enum('pending','won','lost','cancelled') DEFAULT 'pending',
   `control_status` tinyint(4) DEFAULT 0 COMMENT '0: normal, 1: force win, 2: force loss',
   `created_at` timestamp NULL DEFAULT current_timestamp(),
   `ip_address` varchar(45) DEFAULT NULL,
@@ -117,10 +117,11 @@ CREATE TABLE `chat_remarks` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `user_id` int(11) DEFAULT 0,
   `ip_address` varchar(45) DEFAULT NULL,
+  `session_id` varchar(255) DEFAULT NULL,
   `remark` text DEFAULT NULL,
   `updated_at` timestamp NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
   PRIMARY KEY (`id`),
-  UNIQUE KEY `user_id` (`user_id`,`ip_address`)
+  UNIQUE KEY `user_id` (`user_id`,`ip_address`,`session_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 
@@ -146,10 +147,12 @@ CREATE TABLE `chat_visitors` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `user_id` int(11) DEFAULT 0,
   `ip_address` varchar(45) DEFAULT NULL,
+  `session_id` varchar(255) DEFAULT NULL,
   `last_ping` timestamp NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
   `user_time` varchar(50) DEFAULT NULL,
   PRIMARY KEY (`id`),
-  UNIQUE KEY `user_id` (`user_id`,`ip_address`)
+  UNIQUE KEY `user_id` (`user_id`,`ip_address`),
+  KEY `idx_session` (`session_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=57 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 
@@ -310,8 +313,10 @@ CREATE TABLE `messages` (
   `sender` enum('user','admin') DEFAULT NULL,
   `message` text DEFAULT NULL,
   `ip_address` varchar(45) DEFAULT NULL,
+  `session_id` varchar(255) DEFAULT NULL,
   `created_at` timestamp NULL DEFAULT current_timestamp(),
-  PRIMARY KEY (`id`)
+  PRIMARY KEY (`id`),
+  KEY `idx_session` (`session_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=59 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 
diff --git a/includes/lang.php b/includes/lang.php
index 3fd64c4..2b4b43a 100644
--- a/includes/lang.php
+++ b/includes/lang.php
@@ -403,6 +403,16 @@ $translations = [
         'lost' => '亏损',
         4 => '已拒绝',
         'cancelled' => '已取消',
+        'hosting' => '托管中',
+        'today_profit' => '今日收益',
+        'total_profit' => '累计收益',
+        'order_count' => '订单数',
+        'btc_mining_pool' => 'BTC 矿池',
+        'eth_mining_pool' => 'ETH 矿池',
+        'usdt_mining_pool' => 'USDT 矿池',
+        'bnb_mining_pool' => 'BNB 矿池',
+        'sol_mining_pool' => 'SOL 矿池',
+        'avax_mining_pool' => 'AVAX 矿池',
         'app_store' => '苹果商店',
         'google_play' => '谷歌商店',
         'android_apk' => '安卓应用',
@@ -1001,6 +1011,16 @@ $translations = [
         'lost' => 'Lost',
         4 => 'Rejected',
         'cancelled' => 'Cancelled',
+        'hosting' => 'Hosting',
+        'today_profit' => 'Today\'s Profit',
+        'total_profit' => 'Total Profit',
+        'order_count' => 'Order Count',
+        'btc_mining_pool' => 'BTC Mining Pool',
+        'eth_mining_pool' => 'ETH Mining Pool',
+        'usdt_mining_pool' => 'USDT Mining Pool',
+        'bnb_mining_pool' => 'BNB Mining Pool',
+        'sol_mining_pool' => 'SOL Mining Pool',
+        'avax_mining_pool' => 'AVAX Mining Pool',
         'app_store' => 'App Store',
         'google_play' => 'Google Play',
         'android_apk' => 'Android APK',
diff --git a/mining.php b/mining.php
index 3cbee72..3e0203e 100644
--- a/mining.php
+++ b/mining.php
@@ -1,6 +1,33 @@
 <?php
 require_once __DIR__ . '/includes/lang.php';
 require_once __DIR__ . '/includes/header.php';
+
+$stakingAmount = 0;
+$todayProfit = 0;
+$totalProfit = 0;
+$orderCount = 0;
+
+if ($user) {
+    // 托管中
+    $stmt = db()->prepare("SELECT SUM(amount) FROM staking_records WHERE user_id = ? AND status = 'running'");
+    $stmt->execute([$user['id']]);
+    $stakingAmount = $stmt->fetchColumn() ?: 0;
+
+    // 今日收益
+    $stmt = db()->prepare("SELECT SUM(amount) FROM transactions WHERE user_id = ? AND type = 'mining' AND DATE(created_at) = CURDATE()");
+    $stmt->execute([$user['id']]);
+    $todayProfit = $stmt->fetchColumn() ?: 0;
+
+    // 累计收益
+    $stmt = db()->prepare("SELECT SUM(amount) FROM transactions WHERE user_id = ? AND type = 'mining'");
+    $stmt->execute([$user['id']]);
+    $totalProfit = $stmt->fetchColumn() ?: 0;
+
+    // 订单数
+    $stmt = db()->prepare("SELECT COUNT(*) FROM staking_records WHERE user_id = ?");
+    $stmt->execute([$user['id']]);
+    $orderCount = $stmt->fetchColumn() ?: 0;
+}
 ?>
 <main class="container py-5">
     <div class="text-center mb-5">
@@ -10,15 +37,43 @@ require_once __DIR__ . '/includes/header.php';
         </p>
     </div>
 
+    <!-- Stats Section -->
+    <div class="row g-3 mb-5">
+        <div class="col-6 col-md-3">
+            <div class="bg-surface border border-secondary p-3 rounded-4 shadow-sm text-center">
+                <div class="text-white-50 small mb-1"><?= __('hosting') ?></div>
+                <div class="fs-5 fw-bold text-white"><?= number_format($stakingAmount, 2) ?></div>
+            </div>
+        </div>
+        <div class="col-6 col-md-3">
+            <div class="bg-surface border border-secondary p-3 rounded-4 shadow-sm text-center">
+                <div class="text-white-50 small mb-1"><?= __('today_profit') ?></div>
+                <div class="fs-5 fw-bold text-success">+<?= number_format($todayProfit, 4) ?></div>
+            </div>
+        </div>
+        <div class="col-6 col-md-3">
+            <div class="bg-surface border border-secondary p-3 rounded-4 shadow-sm text-center">
+                <div class="text-white-50 small mb-1"><?= __('total_profit') ?></div>
+                <div class="fs-5 fw-bold text-primary"><?= number_format($totalProfit, 4) ?></div>
+            </div>
+        </div>
+        <div class="col-6 col-md-3">
+            <div class="bg-surface border border-secondary p-3 rounded-4 shadow-sm text-center">
+                <div class="text-white-50 small mb-1"><?= __('order_count') ?></div>
+                <div class="fs-5 fw-bold text-warning"><?= $orderCount ?></div>
+            </div>
+        </div>
+    </div>
+
     <div class="row g-4 mb-5">
         <?php
         $pools = [
-            ['symbol' => 'BTC', 'name' => __('bitcoin') . __('mining_pool'), 'apy' => '12.5%', 'min' => '0.01 ' . __('BTC'), 'term' => '30 ' . __('day'), 'hot' => true],
-            ['symbol' => 'ETH', 'name' => __('ethereum') . __('mining_pool'), 'apy' => '8.2%', 'min' => '0.1 ' . __('ETH'), 'term' => __('flexible'), 'hot' => false],
-            ['symbol' => 'USDT', 'name' => __('tether') . __('mining_pool'), 'apy' => '15.0%', 'min' => '100 ' . __('USDT'), 'term' => '90 ' . __('day'), 'hot' => true],
-            ['symbol' => 'BNB', 'name' => __('binance_coin') . __('mining_pool'), 'apy' => '22.0%', 'min' => '1 ' . __('BNB'), 'term' => '180 ' . __('day'), 'hot' => false],
-            ['symbol' => 'SOL', 'name' => __('solana') . __('mining_pool'), 'apy' => '14.2%', 'min' => '5 ' . __('SOL'), 'term' => '60 ' . __('day'), 'hot' => false],
-            ['symbol' => 'AVAX', 'name' => __('avalanche') . __('mining_pool'), 'apy' => '18.5%', 'min' => '10 ' . __('AVAX'), 'term' => '120 ' . __('day'), 'hot' => false],
+            ['symbol' => 'BTC', 'name' => __('btc_mining_pool'), 'apy' => '12.5%', 'min' => '0.01 ' . __('BTC'), 'term' => '30 ' . __('day'), 'hot' => true],
+            ['symbol' => 'ETH', 'name' => __('eth_mining_pool'), 'apy' => '8.2%', 'min' => '0.1 ' . __('ETH'), 'term' => __('flexible'), 'hot' => false],
+            ['symbol' => 'USDT', 'name' => __('usdt_mining_pool'), 'apy' => '15.0%', 'min' => '100 ' . __('USDT'), 'term' => '90 ' . __('day'), 'hot' => true],
+            ['symbol' => 'BNB', 'name' => __('bnb_mining_pool'), 'apy' => '22.0%', 'min' => '1 ' . __('BNB'), 'term' => '180 ' . __('day'), 'hot' => false],
+            ['symbol' => 'SOL', 'name' => __('sol_mining_pool'), 'apy' => '14.2%', 'min' => '5 ' . __('SOL'), 'term' => '60 ' . __('day'), 'hot' => false],
+            ['symbol' => 'AVAX', 'name' => __('avax_mining_pool'), 'apy' => '18.5%', 'min' => '10 ' . __('AVAX'), 'term' => '120 ' . __('day'), 'hot' => false],
         ];
 
         foreach ($pools as $pool): ?>
diff --git a/profile.php b/profile.php
index b7f0a3f..2200384 100644
--- a/profile.php
+++ b/profile.php
@@ -305,11 +305,14 @@ $kycStatusColor = [
                     </div>
                 </div>
                 <!-- Mobile Transaction List -->
-                <div class="d-md-none p-3">
+                <div class="d-md-none p-3 mobile-transaction-list" style="max-height: 400px; overflow-y: auto;">
                     <?php if (empty($transactions)): ?>
                         <div class="text-center py-4 text-white-50 small"><?= __('no_records_found') ?></div>
                     <?php else: ?>
-                    <?php foreach ($transactions as $t): 
+                    <?php 
+                    $count = 0;
+                    foreach ($transactions as $t): 
+                        $count++;
                         $typeName = __($t['type']);
                         $typeColor = (strpos($t['type'], 'win') !== false || $t['type'] === 'deposit' || $t['type'] === 'recharge') ? 'text-success' : ((strpos($t['type'], 'loss') !== false || $t['type'] === 'withdraw' || $t['type'] === 'withdrawal') ? 'text-danger' : 'text-primary');
                         $statusText = ($t['status'] === 'completed' || $t['status'] === 3) ? __(3) : ($t['status'] === 4 ? __(4) : __(0));
@@ -335,6 +338,8 @@ $kycStatusColor = [
 
 <style>
     .x-small { font-size: 11px; }
+    .mobile-transaction-list::-webkit-scrollbar { display: none; }
+    .mobile-transaction-list { -ms-overflow-style: none; scrollbar-width: none; }
     @media (max-width: 991px) {
         .col-lg-3 { margin-bottom: 1rem; }
     }