diff --git a/backend/services/identity-service/src/domain/aggregates/user-account/user-account.aggregate.ts b/backend/services/identity-service/src/domain/aggregates/user-account/user-account.aggregate.ts
index 185ae17b..49bec9cc 100644
--- a/backend/services/identity-service/src/domain/aggregates/user-account/user-account.aggregate.ts
+++ b/backend/services/identity-service/src/domain/aggregates/user-account/user-account.aggregate.ts
@@ -515,10 +515,8 @@ export class UserAccount {
       referralCode: this._referralCode.value,
       phoneNumber: this._phoneNumber?.value || null,
       initialDeviceId: firstDevice?.deviceId || 'retry-unknown',
-      deviceName: firstDevice?.deviceName || 'retry-device',
-      deviceInfo: firstDevice?.deviceInfo || null,
-      inviterReferralCode: null, // 重试时不需要
-      createdAt: new Date(),
+      inviterSequence: null, // 重试时不需要邀请人信息
+      registeredAt: this._registeredAt,
     });
   }
 }