diff --git a/agt-module-license/agt-module-license-api/src/main/java/org/agt/module/license/enums/ErrorCodeConstants.java b/agt-module-license/agt-module-license-api/src/main/java/org/agt/module/license/enums/ErrorCodeConstants.java
index 616eb38..c61c52b 100644
--- a/agt-module-license/agt-module-license-api/src/main/java/org/agt/module/license/enums/ErrorCodeConstants.java
+++ b/agt-module-license/agt-module-license-api/src/main/java/org/agt/module/license/enums/ErrorCodeConstants.java
@@ -8,5 +8,7 @@ import org.agt.framework.common.exception.ErrorCode;
  * @since: 2025-05-22
  */
 public interface ErrorCodeConstants {
-    ErrorCode CUSTOMER_NOT_EXISTS = new ErrorCode(2000, "客户不存在");
+    ErrorCode CUSTOMER_NOT_EXISTS = new ErrorCode(1_100_001_001, "客户不存在");
+    ErrorCode CUSTOMER_NAME_DUPLICATE = new ErrorCode(1_100_001_002, "客户名称`{}`已存在");
+    ErrorCode CUSTOMER_CODE_DUPLICATE = new ErrorCode(1_100_001_003, "客户编号`{}`已存在");
 }
diff --git a/agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/customer/CustomerServiceImpl.java b/agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/customer/CustomerServiceImpl.java
index cc2b531..55cb24e 100644
--- a/agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/customer/CustomerServiceImpl.java
+++ b/agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/customer/CustomerServiceImpl.java
@@ -12,6 +12,8 @@ import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
 import static org.agt.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static org.agt.module.license.enums.ErrorCodeConstants.CUSTOMER_CODE_DUPLICATE;
+import static org.agt.module.license.enums.ErrorCodeConstants.CUSTOMER_NAME_DUPLICATE;
 import static org.agt.module.license.enums.ErrorCodeConstants.CUSTOMER_NOT_EXISTS;
 
 /**
@@ -28,6 +30,8 @@ public class CustomerServiceImpl implements CustomerService {
 
     @Override
     public Long createCustomer(CustomerSaveReqVO createReqVO) {
+        // 校验客户名称和编号是否唯一
+        validateCustomerNameAndCodeUnique(createReqVO.getName(), createReqVO.getCode(), createReqVO.getId());
         // 插入
         CustomerDO customer = BeanUtils.toBean(createReqVO, CustomerDO.class);
         customerMapper.insert(customer);
@@ -37,6 +41,8 @@ public class CustomerServiceImpl implements CustomerService {
 
     @Override
     public void updateCustomer(CustomerSaveReqVO updateReqVO) {
+        // 校验客户名称和编号是否唯一
+        validateCustomerNameAndCodeUnique(updateReqVO.getName(), updateReqVO.getCode(), updateReqVO.getId());
         // 校验存在
         validateCustomerExists(updateReqVO.getId());
         // 更新
@@ -58,6 +64,17 @@ public class CustomerServiceImpl implements CustomerService {
         }
     }
 
+    private void validateCustomerNameAndCodeUnique(String name, String code, Long id) {
+        Boolean isNameUnique = validateCustomerNameUnique(name, id);
+        if (!isNameUnique) {
+            throw exception(CUSTOMER_NAME_DUPLICATE, name);
+        }
+        Boolean isCodeUnique = validateCustomerCodeUnique(code, id);
+        if (!isCodeUnique) {
+            throw exception(CUSTOMER_CODE_DUPLICATE, code);
+        }
+    }
+
     @Override
     public CustomerDO getCustomer(Long id) {
         return customerMapper.selectById(id);