diff --git a/backend/services/blockchain-service/src/application/application.module.ts b/backend/services/blockchain-service/src/application/application.module.ts
index 38fb90c1..ed307e08 100644
--- a/backend/services/blockchain-service/src/application/application.module.ts
+++ b/backend/services/blockchain-service/src/application/application.module.ts
@@ -1,10 +1,11 @@
 import { Module } from '@nestjs/common';
 import { InfrastructureModule } from '@/infrastructure/infrastructure.module';
+import { DomainModule } from '@/domain/domain.module';
 import { AddressDerivationService, DepositDetectionService, BalanceQueryService } from './services';
 import { MpcKeygenCompletedHandler } from './event-handlers';
 
 @Module({
-  imports: [InfrastructureModule],
+  imports: [InfrastructureModule, DomainModule],
   providers: [
     // 应用服务
     AddressDerivationService,