diff --git a/yudao-module-crm/yudao-module-crm-api/src/main/java/cn/iocoder/yudao/module/crm/enums/ErrorCodeConstants.java b/yudao-module-crm/yudao-module-crm-api/src/main/java/cn/iocoder/yudao/module/crm/enums/ErrorCodeConstants.java
index a7494dc8d..d99e5b23a 100644
--- a/yudao-module-crm/yudao-module-crm-api/src/main/java/cn/iocoder/yudao/module/crm/enums/ErrorCodeConstants.java
+++ b/yudao-module-crm/yudao-module-crm-api/src/main/java/cn/iocoder/yudao/module/crm/enums/ErrorCodeConstants.java
@@ -40,6 +40,12 @@ public interface ErrorCodeConstants {
     ErrorCode CUSTOMER_LOCKED_PUT_POOL_FAIL = new ErrorCode(1_020_006_005, "客户【{}】放入公海失败，原因：客户已锁定");
     ErrorCode CUSTOMER_UPDATE_OWNER_USER_FAIL = new ErrorCode(1_020_006_006, "更新客户【{}】负责人失败, 原因：系统异常");
 
+    ErrorCode CUSTOMER_UNLOCK_STATUS_NO_REPETITION = new ErrorCode(1_020_006_001, "无需重复操作锁定/解锁状态");
+
+    ErrorCode CUSTOMER_NO_DEPARTMENT_FOUND = new ErrorCode(1_020_006_002, "操作失败,请先绑定部门再进行操作");
+
+    ErrorCode CUSTOMER_EXCEED_LOCK_LIMIT = new ErrorCode(1_020_006_003, "操作失败,超出锁定规则上限");
+
     // ========== 权限管理 1_020_007_000 ==========
     ErrorCode CRM_PERMISSION_NOT_EXISTS = new ErrorCode(1_020_007_000, "数据权限不存在");
     ErrorCode CRM_PERMISSION_DENIED = new ErrorCode(1_020_007_001, "{}操作失败，原因：没有权限");
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/CrmCustomerController.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/CrmCustomerController.java
index f06e26e4a..5ec7012a1 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/CrmCustomerController.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/CrmCustomerController.java
@@ -134,8 +134,8 @@ public class CrmCustomerController {
     @PutMapping("/lock")
     @Operation(summary = "锁定/解锁客户")
     @PreAuthorize("@ss.hasPermission('crm:customer:update')")
-    public CommonResult<Boolean> lockCustomer(@Valid @RequestBody CrmCustomerUpdateReqVO updateReqVO) {
-        customerService.lockCustomer(updateReqVO);
+    public CommonResult<Boolean> lockCustomer(@Valid @RequestBody CrmCustomerLockReqVO lockReqVO) {
+        customerService.lockCustomer(lockReqVO);
         return success(true);
     }
 
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/vo/CrmCustomerLockReqVO.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/vo/CrmCustomerLockReqVO.java
new file mode 100644
index 000000000..50608049f
--- /dev/null
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/vo/CrmCustomerLockReqVO.java
@@ -0,0 +1,18 @@
+package cn.iocoder.yudao.module.crm.controller.admin.customer.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+@Schema(description = "管理后台 - CRM 客户锁定/解锁 Request VO")
+@Data
+public class CrmCustomerLockReqVO {
+
+    @Schema(description = "客户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "13563")
+    private Long id;
+
+    @Schema(description = "客户锁定状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "0")
+    private Boolean lockStatus;
+
+
+
+}
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/vo/limitconfig/CrmCustomerLimitConfigCreateReqVO.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/vo/limitconfig/CrmCustomerLimitConfigCreateReqVO.java
index 7aa372901..2cc707c43 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/vo/limitconfig/CrmCustomerLimitConfigCreateReqVO.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/vo/limitconfig/CrmCustomerLimitConfigCreateReqVO.java
@@ -5,10 +5,16 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
 
+import java.util.List;
+
 @Schema(description = "管理后台 - 客户限制配置创建 Request VO")
 @Data
 @EqualsAndHashCode(callSuper = true)
 @ToString(callSuper = true)
 public class CrmCustomerLimitConfigCreateReqVO extends CrmCustomerLimitConfigBaseVO {
 
+
+    @Schema(description = "规则适用人群")
+    private Long userId;
+
 }
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/convert/customer/CrmCustomerConvert.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/convert/customer/CrmCustomerConvert.java
index 55e2a3518..b300c6416 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/convert/customer/CrmCustomerConvert.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/convert/customer/CrmCustomerConvert.java
@@ -79,4 +79,6 @@ public interface CrmCustomerConvert {
 
     List<CrmCustomerQueryAllRespVO> convertQueryAll(List<CrmCustomerDO> crmCustomerDO);
 
+    CrmCustomerDO convert(CrmCustomerLockReqVO lockReqVO);
+
 }
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/dal/mysql/customer/CrmCustomerLimitConfigMapper.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/dal/mysql/customer/CrmCustomerLimitConfigMapper.java
index f5fb31b61..ea8f7d8bf 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/dal/mysql/customer/CrmCustomerLimitConfigMapper.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/dal/mysql/customer/CrmCustomerLimitConfigMapper.java
@@ -3,10 +3,14 @@ package cn.iocoder.yudao.module.crm.dal.mysql.customer;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.limitconfig.CrmCustomerLimitConfigCreateReqVO;
 import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.limitconfig.CrmCustomerLimitConfigPageReqVO;
 import cn.iocoder.yudao.module.crm.dal.dataobject.customer.CrmCustomerLimitConfigDO;
 import org.apache.ibatis.annotations.Mapper;
 
+import java.util.Arrays;
+import java.util.stream.Collectors;
+
 /**
  * 客户限制配置 Mapper
  *
@@ -21,4 +25,16 @@ public interface CrmCustomerLimitConfigMapper extends BaseMapperX<CrmCustomerLim
                 .orderByDesc(CrmCustomerLimitConfigDO::getId));
     }
 
+    default CrmCustomerLimitConfigDO selectByLimitConfig(CrmCustomerLimitConfigCreateReqVO reqVO){
+        LambdaQueryWrapperX<CrmCustomerLimitConfigDO> queryWrapper = new LambdaQueryWrapperX<>();
+        queryWrapper.apply("FIND_IN_SET({0}, user_ids) > 0", reqVO.getUserId());
+        queryWrapper.eq(CrmCustomerLimitConfigDO::getType, reqVO.getType());
+        // 将部门ID列表转换成逗号分隔的字符串
+        String deptIdsString = reqVO.getDeptIds().stream()
+                .map(String::valueOf)
+                .collect(Collectors.joining(","));
+        queryWrapper.apply("FIND_IN_SET({0}, dept_ids) > 0", deptIdsString);
+        return selectOne(queryWrapper);
+    }
+
 }
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerLimitConfigService.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerLimitConfigService.java
index 96090cdfc..a181032f5 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerLimitConfigService.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerLimitConfigService.java
@@ -53,4 +53,9 @@ public interface CrmCustomerLimitConfigService {
      */
     PageResult<CrmCustomerLimitConfigDO> getCustomerLimitConfigPage(CrmCustomerLimitConfigPageReqVO pageReqVO);
 
+    /**
+     * 查询当前登录人客户限制配置
+     */
+    CrmCustomerLimitConfigDO selectByLimitConfig(CrmCustomerLimitConfigCreateReqVO configReqVO);
+
 }
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerLimitConfigServiceImpl.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerLimitConfigServiceImpl.java
index 4528eafad..24cd84d36 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerLimitConfigServiceImpl.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerLimitConfigServiceImpl.java
@@ -90,4 +90,9 @@ public class CrmCustomerLimitConfigServiceImpl implements CrmCustomerLimitConfig
         adminUserApi.validateUserList(userIds);
     }
 
+    @Override
+    public CrmCustomerLimitConfigDO selectByLimitConfig(CrmCustomerLimitConfigCreateReqVO configReqVO) {
+        return customerLimitConfigMapper.selectByLimitConfig(configReqVO);
+    }
+
 }
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerService.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerService.java
index 73be18951..2ecfd9ca5 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerService.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerService.java
@@ -1,10 +1,7 @@
 package cn.iocoder.yudao.module.crm.service.customer;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.CrmCustomerCreateReqVO;
-import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.CrmCustomerPageReqVO;
-import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.CrmCustomerTransferReqVO;
-import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.CrmCustomerUpdateReqVO;
+import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.*;
 import cn.iocoder.yudao.module.crm.dal.dataobject.customer.CrmCustomerDO;
 import jakarta.validation.Valid;
 
@@ -85,9 +82,9 @@ public interface CrmCustomerService {
     /**
      * 锁定/解锁客户
      *
-     * @param updateReqVO 更新信息
+     * @param lockReqVO 更新信息
      */
-    void lockCustomer(@Valid CrmCustomerUpdateReqVO updateReqVO);
+    void lockCustomer(@Valid CrmCustomerLockReqVO lockReqVO);
 
     // ==================== 公海相关操作 ====================
 
diff --git a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerServiceImpl.java b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerServiceImpl.java
index 93589a5b0..b1a0e1dc8 100644
--- a/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerServiceImpl.java
+++ b/yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerServiceImpl.java
@@ -2,12 +2,11 @@ package cn.iocoder.yudao.module.crm.service.customer;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.CrmCustomerCreateReqVO;
-import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.CrmCustomerPageReqVO;
-import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.CrmCustomerTransferReqVO;
-import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.CrmCustomerUpdateReqVO;
+import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.*;
+import cn.iocoder.yudao.module.crm.controller.admin.customer.vo.limitconfig.CrmCustomerLimitConfigCreateReqVO;
 import cn.iocoder.yudao.module.crm.convert.customer.CrmCustomerConvert;
 import cn.iocoder.yudao.module.crm.dal.dataobject.customer.CrmCustomerDO;
+import cn.iocoder.yudao.module.crm.dal.dataobject.customer.CrmCustomerLimitConfigDO;
 import cn.iocoder.yudao.module.crm.dal.mysql.customer.CrmCustomerMapper;
 import cn.iocoder.yudao.module.crm.enums.common.CrmBizTypeEnum;
 import cn.iocoder.yudao.module.crm.enums.permission.CrmPermissionLevelEnum;
@@ -15,6 +14,7 @@ import cn.iocoder.yudao.module.crm.framework.core.annotations.CrmPermission;
 import cn.iocoder.yudao.module.crm.service.permission.CrmPermissionService;
 import cn.iocoder.yudao.module.crm.service.permission.bo.CrmPermissionCreateReqBO;
 import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
+import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -23,7 +23,10 @@ import org.springframework.validation.annotation.Validated;
 import java.util.*;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
 import static cn.iocoder.yudao.module.crm.enums.ErrorCodeConstants.*;
+import static cn.iocoder.yudao.module.crm.enums.ErrorCodeConstants.CUSTOMER_EXCEED_LOCK_LIMIT;
+import static cn.iocoder.yudao.module.crm.enums.customer.CrmCustomerLimitConfigTypeEnum.CUSTOMER_LOCK_LIMIT;
 import static java.util.Collections.singletonList;
 
 /**
@@ -43,6 +46,8 @@ public class CrmCustomerServiceImpl implements CrmCustomerService {
 
     @Resource
     private AdminUserApi adminUserApi;
+    @Resource
+    private CrmCustomerLimitConfigService crmCustomerLimitConfigService;
 
     @Override
     @Transactional(rollbackFor = Exception.class)
@@ -142,14 +147,47 @@ public class CrmCustomerServiceImpl implements CrmCustomerService {
     }
 
     @Override
-    public void lockCustomer(CrmCustomerUpdateReqVO updateReqVO) {
-        // 校验存在
-        validateCustomerExists(updateReqVO.getId());
-        // TODO @Joey：可以校验下，如果已经对应的锁定状态，报个业务异常；原因是：后续这个业务会记录操作日志，会记录多了；
-        // TODO @芋艿：业务完善，增加锁定上限；
+    public void lockCustomer(CrmCustomerLockReqVO lockReqVO) {
+        // 校验当前客户是否存在
+        validateCustomerExists(lockReqVO.getId());
+
+        CrmCustomerDO customerDO = customerMapper.selectById(lockReqVO.getId());
+
+        // 校验当前是否重复操作锁定/解锁状态
+        if (customerDO.getLockStatus().equals(lockReqVO.getLockStatus())) {
+            throw exception(CUSTOMER_UNLOCK_STATUS_NO_REPETITION);
+        }
+
+        // 获取当前登录信息，开始校验锁定上限
+        AdminUserRespDTO userRespDTO = adminUserApi.getUser(getLoginUserId());
+
+        if (userRespDTO.getDeptId() == null || userRespDTO.getId() == null) {
+            // 如有入参为空，提示业务异常
+            throw exception(CUSTOMER_NO_DEPARTMENT_FOUND);
+        }
+
+        // 开始校验规则限制
+        List<Long> userDeptIds = Collections.singletonList(userRespDTO.getDeptId());
+
+        CrmCustomerLimitConfigCreateReqVO configReqVO = new CrmCustomerLimitConfigCreateReqVO();
+        configReqVO.setUserId(userRespDTO.getId());
+        configReqVO.setDeptIds(userDeptIds);
+        configReqVO.setType(CUSTOMER_LOCK_LIMIT.getCode());
+
+        CrmCustomerLimitConfigDO crmCustomerLimitConfigDO = crmCustomerLimitConfigService.selectByLimitConfig(configReqVO);
+
+        // 统计当前用户已锁定客户数量
+        List<CrmCustomerDO> crmCustomerDOS = customerMapper.selectList("owner_user_id", getLoginUserId());
+        long customerLockCount = crmCustomerDOS.stream().filter(CrmCustomerDO::getLockStatus).count();
+
+        // 锁定操作的时候校验当前用户可锁定客户的上限
+        if (crmCustomerLimitConfigDO != null && lockReqVO.getLockStatus() && customerLockCount >= crmCustomerLimitConfigDO.getMaxCount()) {
+            // 超出锁定数量上限，提示业务异常
+            throw exception(CUSTOMER_EXCEED_LOCK_LIMIT);
+        }
 
         // 更新
-        CrmCustomerDO updateObj = CrmCustomerConvert.INSTANCE.convert(updateReqVO);
+        CrmCustomerDO updateObj = CrmCustomerConvert.INSTANCE.convert(lockReqVO);
         customerMapper.updateById(updateObj);
     }