diff --git a/backend/services/identity-service/src/application/services/user-application.service.ts b/backend/services/identity-service/src/application/services/user-application.service.ts
index f66945cf..092abb7e 100644
--- a/backend/services/identity-service/src/application/services/user-application.service.ts
+++ b/backend/services/identity-service/src/application/services/user-application.service.ts
@@ -18,6 +18,7 @@ import { BlockchainClientService } from '@/infrastructure/external/blockchain/bl
 import { MpcWalletService } from '@/infrastructure/external/mpc';
 import { ApplicationError } from '@/shared/exceptions/domain.exception';
 import { generateRandomIdentity } from '@/shared/utils';
+import { MpcKeygenRequestedEvent } from '@/domain/events';
 import {
   AutoCreateAccountCommand, RecoverByMnemonicCommand, RecoverByPhoneCommand,
   AutoLoginCommand, RegisterCommand, LoginCommand, BindPhoneNumberCommand,
@@ -127,7 +128,6 @@ export class UserApplicationService {
     account.clearDomainEvents();
 
     // 10. 发布 MPC Keygen 请求事件 (触发后台生成钱包)
-    const { MpcKeygenRequestedEvent } = await import('@/domain/events');
     const sessionId = crypto.randomUUID();
     await this.eventPublisher.publish(new MpcKeygenRequestedEvent({
       sessionId,