diff --git a/backend/services/blockchain-service/src/application/services/deposit-detection.service.ts b/backend/services/blockchain-service/src/application/services/deposit-detection.service.ts
index 7fa7b05f..4a14e127 100644
--- a/backend/services/blockchain-service/src/application/services/deposit-detection.service.ts
+++ b/backend/services/blockchain-service/src/application/services/deposit-detection.service.ts
@@ -9,6 +9,7 @@ import { EventPublisherService } from '@/infrastructure/kafka/event-publisher.se
 import { AddressCacheService } from '@/infrastructure/redis/address-cache.service';
 import { ConfirmationPolicyService } from '@/domain/services/confirmation-policy.service';
 import { ChainConfigService } from '@/domain/services/chain-config.service';
+import { Erc20TransferService } from '@/domain/services/erc20-transfer.service';
 import {
   DEPOSIT_TRANSACTION_REPOSITORY,
   IDepositTransactionRepository,
@@ -44,6 +45,7 @@ export class DepositDetectionService implements OnModuleInit {
     private readonly addressCache: AddressCacheService,
     private readonly confirmationPolicy: ConfirmationPolicyService,
     private readonly chainConfig: ChainConfigService,
+    private readonly transferService: Erc20TransferService,
     @Inject(DEPOSIT_TRANSACTION_REPOSITORY)
     private readonly depositRepo: IDepositTransactionRepository,
     @Inject(MONITORED_ADDRESS_REPOSITORY)
@@ -141,6 +143,13 @@ export class DepositDetectionService implements OnModuleInit {
 
     const chainType = ChainType.fromEnum(event.chainType);
 
+    // 过滤从热钱包发出的转账（内部转账/提现），避免重复入账
+    const hotWalletAddress = this.transferService.getHotWalletAddress(event.chainType);
+    if (hotWalletAddress && event.from.toLowerCase() === hotWalletAddress.toLowerCase()) {
+      this.logger.debug(`Skipping hot wallet outgoing transfer: ${event.txHash} from ${event.from}`);
+      return;
+    }
+
     // 查找监控地址以获取用户ID或系统账户信息
     const monitoredAddress = await this.monitoredAddressRepo.findByChainAndAddress(
       chainType,