fix(withdraw): 修复提取功能短信验证和手续费计算

- 修复 wallet-service 调用 identity-service 的 API 路径（添加 /user 前缀）
- 修复 identity-client 默认端口从 3001 改为 3000
- 添加 docker-compose 中 IDENTITY_SERVICE_URL 环境变量配置
- 手续费改为按 0.1% 费率动态计算（前后端统一）
- 最小提取金额从 10 改为 100
- 文案修改：Kava EVM 网络 → Kava安全网络，接收地址 → 接收账号

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/services/docker-compose.yml

@@ -177,6 +177,8 @@ services:
       - KAFKA_BROKERS=kafka:29092
       - KAFKA_CLIENT_ID=wallet-service
       - KAFKA_GROUP_ID=wallet-service-group
+      # Identity Service - 用于短信验证和密码验证
+      - IDENTITY_SERVICE_URL=http://identity-service:3000
     depends_on:
       postgres:
         condition: service_healthy

backend/services/wallet-service/src/application/services/wallet-application.service.ts

@@ -1253,14 +1253,14 @@ export class WalletApplicationService {
   // =============== Withdrawal ===============
 
   /**
-   * 提现手续费 (固定费用，可配置)
+   * 提现手续费率 (0.1%)
    */
-  private readonly WITHDRAWAL_FEE = 1; // 1 USDT
+  private readonly WITHDRAWAL_FEE_RATE = 0.001;
 
   /**
    * 最小提现金额
    */
-  private readonly MIN_WITHDRAWAL_AMOUNT = 10; // 10 USDT
+  private readonly MIN_WITHDRAWAL_AMOUNT = 100; // 100 USDT
 
   /**
    * 请求提现
@@ -1281,10 +1281,12 @@ export class WalletApplicationService {
   }> {
     const userId = BigInt(command.userId);
     const amount = Money.USDT(command.amount);
-    const fee = Money.USDT(this.WITHDRAWAL_FEE);
+    // 计算手续费 = 金额 * 费率
+    const feeAmount = command.amount * this.WITHDRAWAL_FEE_RATE;
+    const fee = Money.USDT(feeAmount);
     const totalRequired = amount.add(fee);
 
-    this.logger.log(`Processing withdrawal request for user ${userId}: ${command.amount} USDT to ${command.toAddress}`);
+    this.logger.log(`Processing withdrawal request for user ${userId}: ${command.amount} USDT to ${command.toAddress}, fee: ${feeAmount}`);
 
     // 验证最小提现金额
     if (command.amount < this.MIN_WITHDRAWAL_AMOUNT) {
@@ -1303,7 +1305,7 @@ export class WalletApplicationService {
     // 验证余额是否足够
     if (wallet.balances.usdt.available.lessThan(totalRequired)) {
       throw new BadRequestException(
-        `余额不足: 需要 ${totalRequired.value} USDT (金额 ${command.amount} + 手续费 ${this.WITHDRAWAL_FEE}), 当前可用 ${wallet.balances.usdt.available.value} USDT`,
+        `余额不足: 需要 ${totalRequired.value} USDT (金额 ${command.amount} + 手续费 ${feeAmount.toFixed(2)}), 当前可用 ${wallet.balances.usdt.available.value} USDT`,
       );
     }
 
@@ -1333,7 +1335,7 @@ export class WalletApplicationService {
       amount: Money.signed(-totalRequired.value, 'USDT'),
       balanceAfter: wallet.balances.usdt.available,
       refOrderId: savedOrder.orderNo,
-      memo: `Withdrawal freeze: ${command.amount} USDT + ${this.WITHDRAWAL_FEE} USDT fee`,
+      memo: `Withdrawal freeze: ${command.amount} USDT + ${feeAmount.toFixed(2)} USDT fee (${this.WITHDRAWAL_FEE_RATE * 100}%)`,
     });
     await this.ledgerRepo.save(freezeEntry);
 
@@ -1344,8 +1346,8 @@ export class WalletApplicationService {
       userId: userId.toString(),
       walletId: wallet.walletId.toString(),
       amount: command.amount.toString(),
-      fee: this.WITHDRAWAL_FEE.toString(),
+      fee: feeAmount.toString(),
-      netAmount: (command.amount - this.WITHDRAWAL_FEE).toString(),
+      netAmount: (command.amount - feeAmount).toString(),
       assetType: 'USDT',
       chainType: command.chainType,
       toAddress: command.toAddress,

backend/services/wallet-service/src/infrastructure/external/identity/identity-client.service.ts

@@ -12,7 +12,7 @@ export class IdentityClientService {
   private readonly httpClient: AxiosInstance;
 
   constructor(private readonly configService: ConfigService) {
-    const baseUrl = this.configService.get<string>('IDENTITY_SERVICE_URL', 'http://localhost:3001');
+    const baseUrl = this.configService.get<string>('IDENTITY_SERVICE_URL', 'http://localhost:3000');
 
     this.httpClient = axios.create({
       baseURL: baseUrl,
@@ -106,7 +106,7 @@ export class IdentityClientService {
       this.logger.log(`发送提取验证短信: userId=${userId}`);
 
       await this.httpClient.post(
-        '/sms/send-withdraw-code',
+        '/user/sms/send-withdraw-code',
         {},
         {
           headers: {
@@ -141,7 +141,7 @@ export class IdentityClientService {
       this.logger.log(`验证提取短信验证码: userId=${userId}`);
 
       const response = await this.httpClient.post(
-        '/sms/verify-withdraw-code',
+        '/user/sms/verify-withdraw-code',
         { code: smsCode },
         {
           headers: {
@@ -183,7 +183,7 @@ export class IdentityClientService {
       this.logger.log(`验证登录密码: userId=${userId}`);
 
       const response = await this.httpClient.post(
-        '/verify-password',
+        '/user/verify-password',
         { password },
         {
           headers: {

frontend/mobile-app/lib/features/withdraw/presentation/pages/withdraw_confirm_page.dart

@@ -51,7 +51,7 @@ class _WithdrawConfirmPageState extends ConsumerState<WithdrawConfirmPage> {
   String? _maskedPhoneNumber;
 
   /// 手续费率
-  final double _feeRate = 0.001;
+  final double _feeRate = 0.001; // 0.1%
 
   @override
   void initState() {
@@ -465,7 +465,7 @@ class _WithdrawConfirmPageState extends ConsumerState<WithdrawConfirmPage> {
           const SizedBox(height: 16),
           _buildDetailRow('提取网络', _getNetworkName(widget.params.network)),
           const SizedBox(height: 12),
-          _buildDetailRow('接收地址', _formatAddress(widget.params.address)),
+          _buildDetailRow('接收账号', _formatAddress(widget.params.address)),
           const SizedBox(height: 12),
           _buildDetailRow('提取数量', '${widget.params.amount.toStringAsFixed(2)} 绿积分'),
           const SizedBox(height: 12),

frontend/mobile-app/lib/features/withdraw/presentation/pages/withdraw_usdt_page.dart

@@ -56,7 +56,7 @@ class _WithdrawUsdtPageState extends ConsumerState<WithdrawUsdtPage> {
   final double _feeRate = 0.001; // 0.1%
 
   /// 最小提款金额
-  final double _minAmount = 10.0;
+  final double _minAmount = 100.0;
 
   @override
   void initState() {
@@ -181,7 +181,7 @@ class _WithdrawUsdtPageState extends ConsumerState<WithdrawUsdtPage> {
 
     // 验证地址
     if (address.isEmpty) {
-      _showErrorSnackBar('请输入接收地址');
+      _showErrorSnackBar('请输入接收账号');
       return;
     }
 
@@ -331,7 +331,7 @@ class _WithdrawUsdtPageState extends ConsumerState<WithdrawUsdtPage> {
   String _getNetworkDescription(WithdrawNetwork network) {
     switch (network) {
       case WithdrawNetwork.kava:
-        return 'Kava EVM 网络';
+        return 'Kava安全网络';
       case WithdrawNetwork.bsc:
         return 'BNB Smart Chain 网络';
     }
@@ -674,7 +674,7 @@ class _WithdrawUsdtPageState extends ConsumerState<WithdrawUsdtPage> {
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
         const Text(
-          '接收地址',
+          '接收账号',
           style: TextStyle(
             fontSize: 16,
             fontFamily: 'Inter',
@@ -966,7 +966,7 @@ class _WithdrawUsdtPageState extends ConsumerState<WithdrawUsdtPage> {
             ],
           ),
           const SizedBox(height: 12),
-          _buildNoticeItem('请确保接收地址正确，错误地址将导致资产丢失'),
+          _buildNoticeItem('请确保接收账号正确，错误账号将导致资产丢失'),
           _buildNoticeItem('请选择正确的网络，不同网络之间不可互转'),
           _buildNoticeItem('提取需要进行手机短信验证'),
           _buildNoticeItem('提取通常在 1-30 分钟内到账'),