diff --git a/mhd-user-center/src/main/java/com/mhd/user/application/service/UserShipperApplicationService.java b/mhd-user-center/src/main/java/com/mhd/user/application/service/UserShipperApplicationService.java
index 54a97909f..94c6cec03 100644
--- a/mhd-user-center/src/main/java/com/mhd/user/application/service/UserShipperApplicationService.java
+++ b/mhd-user-center/src/main/java/com/mhd/user/application/service/UserShipperApplicationService.java
@@ -322,6 +322,8 @@ public class UserShipperApplicationService {
         //========================用户注册===========================
         UserDO userDO = new UserDO();
         userDO.setAvatar(userShipperDO.getAvatar());
+        //账号唯一性检验
+        checkUserAccountUnique(userShipperDO.getUserAccount(),null,configSwitch.getTopOrganizationId());
         userDO.setUserAccount(userShipperDO.getUserAccount());
         userDO.setUserName(userShipperDO.getUserName());
         userDO.setUserId(userShipperDO.getUserId());
@@ -333,7 +335,8 @@ public class UserShipperApplicationService {
             userDO.setRoleName(roleName);
         }
 
-        userDO.setUserPhone(userShipperDO.getUserAccount());
+
+        userDO.setUserPhone(userShipperDO.getUserPhone());
 
         userShipperDO.setShipperType(1);
         userShipperDO.setDelFlag(1);
@@ -1182,4 +1185,29 @@ public class UserShipperApplicationService {
         // 根据userId查询货主信息
         return userShipperDomainService.selectByUserId(userId);
     }
+
+
+    /**
+     * 校验登录账号唯一性
+     * @param userAccount 登录账号
+     * @param userId 用户ID（编辑时传入，用于排除自身；新增时传null）
+     * @param topOrganizationId 顶级组织ID
+     */
+    private void checkUserAccountUnique(String userAccount, Long userId, Long topOrganizationId) {
+        if (StringUtils.isBlank(userAccount)) {
+            return; // 账号为空，不校验
+        }
+
+        UserDO checkDO = new UserDO();
+        checkDO.setTopOrganizationId(topOrganizationId);
+        checkDO.setUserAccount(userAccount);
+        checkDO.setUserId(userId);
+
+        UserPo existUser = userDomainService.findByTopOrganizationIdAndUserAccount(checkDO);
+        if (existUser != null) {
+            throw new ServiceException("登录账号已存在");
+        }
+    }
+
+
 }
\ No newline at end of file