diff --git a/backend/services/admin-service/src/infrastructure/persistence/mappers/co-managed-wallet.mapper.ts b/backend/services/admin-service/src/infrastructure/persistence/mappers/co-managed-wallet.mapper.ts
index 370aa5bb..4c794bb3 100644
--- a/backend/services/admin-service/src/infrastructure/persistence/mappers/co-managed-wallet.mapper.ts
+++ b/backend/services/admin-service/src/infrastructure/persistence/mappers/co-managed-wallet.mapper.ts
@@ -1,4 +1,9 @@
 import { Injectable } from '@nestjs/common';
+import {
+  CoManagedWalletSession as PrismaSession,
+  CoManagedWallet as PrismaWallet,
+  WalletSessionStatus as PrismaWalletSessionStatus,
+} from '@prisma/client';
 import {
   CoManagedWalletSessionEntity,
   CoManagedWalletEntity,
@@ -11,39 +16,14 @@ import {
 } from '../../../domain/enums/wallet-session-status.enum';
 
 /**
- * Prisma 会话模型类型 (需要在 schema.prisma 中定义)
+ * Prisma 会话模型类型 - 使用 Prisma 生成的类型
  */
-export interface PrismaCoManagedWalletSession {
-  id: string;
-  walletName: string;
-  thresholdT: number;
-  thresholdN: number;
-  inviteCode: string;
-  status: string;
-  participants: string; // JSON string
-  currentRound: number;
-  totalRounds: number;
-  publicKey: string | null;
-  error: string | null;
-  createdAt: Date;
-  updatedAt: Date;
-  createdBy: string;
-}
+export type PrismaCoManagedWalletSession = PrismaSession;
 
 /**
- * Prisma 钱包模型类型
+ * Prisma 钱包模型类型 - 使用 Prisma 生成的类型
  */
-export interface PrismaCoManagedWallet {
-  id: string;
-  sessionId: string;
-  name: string;
-  publicKey: string;
-  thresholdT: number;
-  thresholdN: number;
-  participants: string; // JSON string
-  createdAt: Date;
-  createdBy: string;
-}
+export type PrismaCoManagedWallet = PrismaWallet;
 
 @Injectable()
 export class CoManagedWalletMapper {
@@ -94,7 +74,7 @@ export class CoManagedWalletMapper {
       thresholdT: domain.threshold.t,
       thresholdN: domain.threshold.n,
       inviteCode: domain.inviteCode,
-      status: domain.status,
+      status: domain.status as PrismaWalletSessionStatus,
       participants: JSON.stringify(
         domain.participants.map((p) => ({
           partyId: p.partyId,