diff --git a/backend/services/wallet-service/src/application/services/wallet-application.service.ts b/backend/services/wallet-service/src/application/services/wallet-application.service.ts
index 9e2b8354..d846c40e 100644
--- a/backend/services/wallet-service/src/application/services/wallet-application.service.ts
+++ b/backend/services/wallet-service/src/application/services/wallet-application.service.ts
@@ -8,7 +8,7 @@ import {
   IPendingRewardRepository, PENDING_REWARD_REPOSITORY,
 } from '@/domain/repositories';
 import { PrismaService } from '@/infrastructure/persistence/prisma/prisma.service';
-import { LedgerEntry, DepositOrder, SettlementOrder, WithdrawalOrder, PendingReward, PendingRewardStatus } from '@/domain/aggregates';
+import { LedgerEntry, DepositOrder, SettlementOrder, WithdrawalOrder, PendingReward, PendingRewardStatus, WalletAccount } from '@/domain/aggregates';
 import {
   UserId, Money, Hashpower, LedgerEntryType, AssetType, ChainType, SettleCurrency,
 } from '@/domain/value-objects';
@@ -1134,7 +1134,7 @@ export class WalletApplicationService {
   ): Promise<void> {
     const targetId = allocation.targetId;
 
-    let wallet: Wallet | null;
+    let wallet: WalletAccount | null;
 
     // 判断 targetId 是用户账户还是区域账户
     if (targetId.startsWith('D')) {