diff --git a/frontend/mobile-app/lib/features/deposit/presentation/pages/deposit_usdt_page.dart b/frontend/mobile-app/lib/features/deposit/presentation/pages/deposit_usdt_page.dart
index d4a86bbe..d29c254a 100644
--- a/frontend/mobile-app/lib/features/deposit/presentation/pages/deposit_usdt_page.dart
+++ b/frontend/mobile-app/lib/features/deposit/presentation/pages/deposit_usdt_page.dart
@@ -28,6 +28,12 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
   /// 钱包是否已就绪
   bool _isWalletReady = false;
 
+  /// 是否显示真实钱包地址（隐藏模式）
+  bool _showRealAddress = false;
+
+  /// 真实钱包地址（KAVA）
+  String? _realWalletAddress;
+
   @override
   void initState() {
     super.initState();
@@ -71,15 +77,20 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
         _isWalletReady = false;
       }
 
-      // 如果钱包已就绪，查询余额
+      // 如果钱包已就绪，查询余额和真实钱包地址
       if (_isWalletReady) {
         try {
           final walletService = ref.read(walletServiceProvider);
           final walletResponse = await walletService.getMyWallet();
+
+          // 获取真实钱包地址（用于隐藏模式）
+          final walletAddresses = await accountService.getWalletAddresses();
+
           // 显示 USDT 可用余额
           if (mounted) {
             setState(() {
               _balance = walletResponse.balances.usdt.available.toStringAsFixed(2);
+              _realWalletAddress = walletAddresses?.kava;
               _isLoading = false;
             });
           }
@@ -111,19 +122,53 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
     }
   }
 
-  /// 获取充值地址（用户ID）
+  /// 获取充值地址（根据模式返回ID或真实地址）
   String get _depositAddress {
+    if (_showRealAddress && _realWalletAddress != null) {
+      return _realWalletAddress!;
+    }
     return _accountSequence ?? '';
   }
 
+  /// 获取显示标题
+  String get _addressTitle {
+    return _showRealAddress ? '钱包地址 (KAVA)' : '充值ID';
+  }
+
   /// 复制地址到剪贴板
   void _copyAddress() {
     if (_depositAddress.isEmpty) return;
 
     Clipboard.setData(ClipboardData(text: _depositAddress));
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(_showRealAddress ? '钱包地址已复制' : '充值ID已复制'),
+        backgroundColor: const Color(0xFFD4AF37),
+        duration: const Duration(seconds: 2),
+      ),
+    );
+  }
+
+  /// 切换到真实地址模式
+  void _switchToRealAddressMode() {
+    if (_realWalletAddress == null) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('钱包地址暂不可用'),
+          backgroundColor: Color(0xFF8B5A2B),
+          duration: Duration(seconds: 2),
+        ),
+      );
+      return;
+    }
+
+    setState(() {
+      _showRealAddress = true;
+    });
+
     ScaffoldMessenger.of(context).showSnackBar(
       const SnackBar(
-        content: Text('充值ID已复制'),
+        content: Text('已切换到钱包地址模式'),
         backgroundColor: Color(0xFFD4AF37),
         duration: Duration(seconds: 2),
       ),
@@ -340,8 +385,8 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
       ),
       child: Column(
         children: [
-          // 二维码区域
-          _buildQrCode(),
+          // 二维码区域（长按10秒切换到真实地址模式）
+          _buildQrCodeWithLongPress(),
           const SizedBox(height: 24),
           // 地址信息
           _buildAddressInfo(),
@@ -350,6 +395,36 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
     );
   }
 
+  /// 长按计时器
+  DateTime? _longPressStartTime;
+
+  /// 构建带长按检测的二维码
+  Widget _buildQrCodeWithLongPress() {
+    // 如果已经在显示真实地址，不需要长按检测
+    if (_showRealAddress) {
+      return _buildQrCode();
+    }
+
+    return GestureDetector(
+      onLongPressStart: (_) {
+        _longPressStartTime = DateTime.now();
+      },
+      onLongPressEnd: (_) {
+        if (_longPressStartTime != null) {
+          final duration = DateTime.now().difference(_longPressStartTime!);
+          if (duration.inSeconds >= 10) {
+            _switchToRealAddressMode();
+          }
+        }
+        _longPressStartTime = null;
+      },
+      onLongPressCancel: () {
+        _longPressStartTime = null;
+      },
+      child: _buildQrCode(),
+    );
+  }
+
   /// 构建二维码
   Widget _buildQrCode() {
     // 加载中
@@ -477,12 +552,16 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
 
   /// 构建地址信息
   Widget _buildAddressInfo() {
+    // 根据模式调整字体大小（钱包地址较长，需要更小的字体）
+    final addressFontSize = _showRealAddress ? 12.0 : 20.0;
+    final addressLetterSpacing = _showRealAddress ? 0.5 : 1.5;
+
     return Column(
       children: [
-        // 充值ID标题
-        const Text(
-          '充值ID',
-          style: TextStyle(
+        // 标题（根据模式显示不同文字）
+        Text(
+          _addressTitle,
+          style: const TextStyle(
             fontSize: 16,
             fontFamily: 'Inter',
             fontWeight: FontWeight.w700,
@@ -491,17 +570,17 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
           ),
         ),
         const SizedBox(height: 12),
-        // ID文本
+        // 地址文本
         Container(
           padding: const EdgeInsets.symmetric(horizontal: 16),
           child: Text(
             _isLoading ? '加载中...' : _depositAddress,
             style: TextStyle(
-              fontSize: 20,
+              fontSize: addressFontSize,
               fontFamily: 'Inter',
               fontWeight: FontWeight.w600,
               height: 1.5,
-              letterSpacing: 1.5,
+              letterSpacing: addressLetterSpacing,
               color: const Color(0xFF5D4037).withValues(alpha: 0.9),
             ),
             textAlign: TextAlign.center,
@@ -521,7 +600,7 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
               mainAxisSize: MainAxisSize.min,
               children: [
                 Text(
-                  '复制ID',
+                  _showRealAddress ? '复制地址' : '复制ID',
                   style: TextStyle(
                     fontSize: 14,
                     fontFamily: 'Inter',
@@ -550,10 +629,14 @@ class _DepositUsdtPageState extends ConsumerState<DepositUsdtPage> {
 
   /// 构建警告文字
   Widget _buildWarningText() {
+    final warningText = _showRealAddress
+        ? '请向此 KAVA 网络地址转入 USDT'
+        : '请使用此充值ID进行充值';
+
     return Container(
       padding: const EdgeInsets.fromLTRB(20, 16, 20, 48),
       child: Text(
-        '请使用此充值ID进行充值',
+        warningText,
         style: TextStyle(
           fontSize: 12,
           fontFamily: 'Inter',