diff --git a/backend/services/identity-service/src/application/services/kyc-application.service.ts b/backend/services/identity-service/src/application/services/kyc-application.service.ts
index e4312205..ff66e209 100644
--- a/backend/services/identity-service/src/application/services/kyc-application.service.ts
+++ b/backend/services/identity-service/src/application/services/kyc-application.service.ts
@@ -214,16 +214,17 @@ export class KycApplicationService {
 
   /**
    * ========================================
-   * 层级1: 实名认证 - 提交三要素验证
+   * 层级1: 实名认证 - 提交二要素验证
    * ========================================
-   * 验证姓名+身份证号+手机号（手机号从用户账户获取）
+   * 验证姓名+身份证号
+   * 注：保留手机号参数以兼容调用方，三要素验证功能保留备用
    */
   async submitRealNameVerification(
     userId: string,
     realName: string,
     idCardNumber: string,
   ) {
-    this.logger.log(`[KYC] [Level1] Submitting real name verification (3-factor) for user: ${userId}`);
+    this.logger.log(`[KYC] [Level1] Submitting real name verification (2-factor) for user: ${userId}`);
 
     const config = await this.getKycConfig();
     if (!config.level1Enabled) {
@@ -259,20 +260,19 @@ export class KycApplicationService {
     const attempt = await this.prisma.kycVerificationAttempt.create({
       data: {
         userId: BigInt(userId),
-        verificationType: 'ID_CARD_THREE',
+        verificationType: 'ID_CARD_TWO',  // 二要素验证（姓名+身份证号）
         provider: 'ALIYUN',
         requestId,
         inputData: {
           realName: this.maskName(realName),
           idCardNumber: this.maskIdCard(idCardNumber),
-          phoneNumber: this.maskPhoneNumber(user.phoneNumber),
         },
         status: 'PENDING',
       },
     });
 
     try {
-      // 调用阿里云三要素验证
+      // 调用阿里云二要素验证（姓名+身份证号）
       const result = await this.aliyunKycProvider.verifyIdCard(
         realName,
         idCardNumber,
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 3f834af5..ceb7f274 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
@@ -53,7 +53,8 @@ export interface IdCardOcrResult {
 /**
  * 阿里云实人认证服务 - 支持三层认证
  *
- * 层级1: 实名认证 - 三要素验证（姓名+身份证号+手机号）
+ * 层级1: 实名认证 - 二要素验证（姓名+身份证号）
+ *        备用：三要素验证（姓名+身份证号+手机号）- verifyIdCardThreeFactor
  * 层级2: 实人认证 - 人脸活体检测
  * 层级3: KYC - 证件照OCR识别验证
  *
@@ -86,22 +87,23 @@ export class AliyunKycProvider {
    * 层级1: 实名认证 - 二要素验证（默认）
    * ========================================
    * 验证姓名和身份证号是否匹配
-   * 使用阿里云 IdCardTwoMetaVerify API (身份证二要素核验)
-   * 文档: https://help.aliyun.com/zh/id-verification/information-verification/developer-reference/api-cloudauth-2019-03-07-idcardtwometaverify
+   * 使用阿里云 Id2MetaStandardVerify API (身份证二要素标准版核验)
+   * 文档: https://help.aliyun.com/zh/id-verification/api-cloudauth-2019-03-07-id2metastandardverify-infor-verify
    */
   async verifyIdCard(
     realName: string,
     idCardNumber: string,
-    phoneNumber: string,
+    phoneNumber: string,  // 保留参数以兼容调用方，但二要素验证不使用
     requestId: string,
   ): Promise<IdCardVerificationResult> {
-    // 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);
+    // 使用二要素验证（姓名 + 身份证号）
+    return this.verifyIdCardTwoFactor(realName, idCardNumber, requestId);
   }
 
   /**
    * 二要素验证：姓名 + 身份证号
-   * 使用阿里云 IdCardTwoMetaVerify API
+   * 使用阿里云 Id2MetaStandardVerify API
+   * 文档: https://help.aliyun.com/zh/id-verification/api-cloudauth-2019-03-07-id2metastandardverify-infor-verify
    */
   async verifyIdCardTwoFactor(
     realName: string,
@@ -110,7 +112,7 @@ export class AliyunKycProvider {
   ): Promise<IdCardVerificationResult> {
     this.logger.log(`[AliyunKYC] [Level1] Starting 2-factor verification, requestId: ${requestId}`);
 
-    // 二要素验证始终使用真实 API，不使用 mock
+    // 二要素验证直接调用真实API，不使用mock
     if (!this.accessKeyId || !this.accessKeySecret) {
       this.logger.error('[AliyunKYC] KYC credentials not configured');
       return {
diff --git a/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart b/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
index 7ed8770f..119bf62c 100644
--- a/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
+++ b/frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart
@@ -3163,7 +3163,7 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
     );
   }
 
-  /// 处理团队种植数区域的秘密点击（连续点击19次后等待2秒显示"我的同僚"）
+  /// 处理团队种植数区域的秘密点击（连续点击19次后等待2秒显示"我的同伴"）
   Timer? _teamPlantingUnlockTimer;
 
   void _onTeamPlantingTap() {
@@ -3300,7 +3300,7 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
               child: Column(
                 children: [
                   const Text(
-                    '同僚种植树',
+                    '同伴种植树',
                     style: TextStyle(
                       fontSize: 12,
                       fontFamily: 'Inter',
@@ -3371,7 +3371,7 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
                   ),
                 ),
                 Text(
-                  '本人/同僚: ${referral['personal']} / ${referral['team']}',
+                  '本人/同伴: ${referral['personal']} / ${referral['team']}',
                   style: const TextStyle(
                     fontSize: 14,
                     fontFamily: 'Inter',
@@ -3387,7 +3387,7 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
     );
   }
 
-  /// 构建我的同僚树
+  /// 构建我的同伴树
   Widget _buildMyTeamTree() {
     // 创建或更新根节点（缓存以保持展开状态）
     // 只有在数据变化时才创建新的根节点
@@ -3410,7 +3410,7 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
         const Padding(
           padding: EdgeInsets.only(top: 8),
           child: Text(
-            '我的同僚',
+            '我的同伴',
             style: TextStyle(
               fontSize: 16,
               fontFamily: 'Inter',
@@ -3437,7 +3437,7 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
                   child: Padding(
                     padding: EdgeInsets.all(20),
                     child: Text(
-                      '暂无同僚',
+                      '暂无同伴',
                       style: TextStyle(
                         fontSize: 14,
                         fontFamily: 'Inter',