diff --git a/backend/services/identity-service/src/api/controllers/internal.controller.ts b/backend/services/identity-service/src/api/controllers/internal.controller.ts
index 1f82a56f..1e82be91 100644
--- a/backend/services/identity-service/src/api/controllers/internal.controller.ts
+++ b/backend/services/identity-service/src/api/controllers/internal.controller.ts
@@ -40,6 +40,7 @@ interface UserDetailInfo {
   inviterSequence?: string;  // 推荐人序列号
   kycStatus: string;
   realName?: string;     // 敏感信息
+  idCardNumber?: string; // 敏感信息 - 用于合同签署
 }
 
 /**
@@ -86,33 +87,6 @@ export class InternalController {
     }
   }
 
-  @Public()
-  @Get('users/:accountSequence')
-  @ApiOperation({ summary: '获取单个用户信息（内部调用，按 accountSequence）' })
-  @ApiResponse({ status: 200, description: '返回用户信息' })
-  async getUserBySequence(@Param('accountSequence') accountSequence: string): Promise<UserBasicInfo | null> {
-    this.logger.debug(`[getUserBySequence] 查询用户: ${accountSequence}`);
-
-    try {
-      const sequence = AccountSequence.create(accountSequence);
-      const user = await this.userRepository.findByAccountSequence(sequence);
-
-      if (!user) {
-        return null;
-      }
-
-      return {
-        userId: user.userId.value.toString(),
-        accountSequence: user.accountSequence.value,
-        nickname: user.nickname,
-        avatarUrl: user.avatarUrl || undefined,
-      };
-    } catch (error) {
-      this.logger.error(`[getUserBySequence] 查询失败:`, error);
-      return null;
-    }
-  }
-
   @Public()
   @Get('users/:accountSequence/detail')
   @ApiOperation({ summary: '获取用户详情（内部调用，包含敏感信息）' })
@@ -141,10 +115,38 @@ export class InternalController {
         inviterSequence: user.inviterSequence || undefined,
         kycStatus: user.kycStatus,
         realName: user.realName || undefined,
+        idCardNumber: user.idCardNumber || undefined,
       };
     } catch (error) {
       this.logger.error(`[getUserDetailBySequence] 查询失败:`, error);
       return null;
     }
   }
+
+  @Public()
+  @Get('users/:accountSequence')
+  @ApiOperation({ summary: '获取单个用户信息（内部调用，按 accountSequence）' })
+  @ApiResponse({ status: 200, description: '返回用户信息' })
+  async getUserBySequence(@Param('accountSequence') accountSequence: string): Promise<UserBasicInfo | null> {
+    this.logger.debug(`[getUserBySequence] 查询用户: ${accountSequence}`);
+
+    try {
+      const sequence = AccountSequence.create(accountSequence);
+      const user = await this.userRepository.findByAccountSequence(sequence);
+
+      if (!user) {
+        return null;
+      }
+
+      return {
+        userId: user.userId.value.toString(),
+        accountSequence: user.accountSequence.value,
+        nickname: user.nickname,
+        avatarUrl: user.avatarUrl || undefined,
+      };
+    } catch (error) {
+      this.logger.error(`[getUserBySequence] 查询失败:`, error);
+      return null;
+    }
+  }
 }
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 5d3c0fb5..7a5f0992 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
@@ -17,6 +17,7 @@ export interface UserDetailInfo {
   inviterSequence?: string;
   kycStatus: string;
   realName?: string;
+  idCardNumber?: string;
 }
 
 /**
@@ -25,7 +26,7 @@ export interface UserDetailInfo {
 export interface UserKycInfo {
   phoneNumber?: string;
   realName?: string;
-  idCardNumber?: string; // 身份证号目前 identity-service 不返回，需要单独处理
+  idCardNumber?: string;
 }
 
 /**
@@ -178,10 +179,12 @@ export class IdentityServiceClient {
       return null;
     }
 
-    // 检查 KYC 状态 - 未认证不允许签署合同
-    if (userDetail.kycStatus !== 'VERIFIED') {
+    // 检查 KYC 状态 - 实名认证通过即可签署合同
+    // 接受的状态: REAL_NAME_VERIFIED, FACE_VERIFIED, KYC_VERIFIED, COMPLETED, VERIFIED
+    const validKycStatuses = ['REAL_NAME_VERIFIED', 'FACE_VERIFIED', 'KYC_VERIFIED', 'COMPLETED', 'VERIFIED'];
+    if (!validKycStatuses.includes(userDetail.kycStatus)) {
       this.logger.warn(
-        `User ${accountSequence} KYC status is ${userDetail.kycStatus}, not VERIFIED. Cannot create contract.`,
+        `User ${accountSequence} KYC status is ${userDetail.kycStatus}, not in ${validKycStatuses.join('/')}. Cannot create contract.`,
       );
       return null;
     }
@@ -189,8 +192,7 @@ export class IdentityServiceClient {
     return {
       phoneNumber: userDetail.phoneNumber,
       realName: userDetail.realName,
-      // 身份证号暂时不从 identity-service 获取（涉及敏感数据处理）
-      idCardNumber: undefined,
+      idCardNumber: userDetail.idCardNumber,
     };
   }
 }