diff --git a/backend/services/planting-service/src/infrastructure/external/identity-service.client.ts b/backend/services/planting-service/src/infrastructure/external/identity-service.client.ts
index a60deb3d..03b21612 100644
--- a/backend/services/planting-service/src/infrastructure/external/identity-service.client.ts
+++ b/backend/services/planting-service/src/infrastructure/external/identity-service.client.ts
@@ -153,11 +153,12 @@ export class IdentityServiceClient {
         `getUserDetailBySequence(${accountSequence})`,
         async () => {
           const response = await firstValueFrom(
-            this.httpService.get<UserDetailInfo>(
+            this.httpService.get<{ success: boolean; data: UserDetailInfo }>(
               `${this.baseUrl}/api/v1/internal/users/${accountSequence}/detail`,
             ),
           );
-          return response.data;
+          // identity-service 的响应被 TransformInterceptor 包装为 { success, data }
+          return response.data?.data || null;
         },
       );
     } catch (error) {