diff --git a/backend/services/identity-service/src/infrastructure/external/kyc/aliyun-kyc.provider.ts b/backend/services/identity-service/src/infrastructure/external/kyc/aliyun-kyc.provider.ts
index aef5458d..3f834af5 100644
--- a/backend/services/identity-service/src/infrastructure/external/kyc/aliyun-kyc.provider.ts
+++ b/backend/services/identity-service/src/infrastructure/external/kyc/aliyun-kyc.provider.ts
@@ -95,8 +95,8 @@ export class AliyunKycProvider {
     phoneNumber: string,
     requestId: string,
   ): Promise<IdCardVerificationResult> {
-    // 默认使用二要素验证（姓名+身份证号）
-    return this.verifyIdCardTwoFactor(realName, idCardNumber, requestId);
+    // 暂时使用三要素验证（二要素需要单独开通权限）
+    return this.verifyIdCardThreeFactor(realName, idCardNumber, phoneNumber, requestId);
   }
 
   /**