!448 优化用户导入

Merge pull request !448 from 周冰/master

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java

@@ -508,6 +508,7 @@ public class SysUserServiceImpl implements ISysUserService
                     BeanValidators.validateWithException(validator, user);
                     checkUserAllowed(user);
                     checkUserDataScope(user.getUserId());
+                    user.setUserId(u.getUserId());
                     user.setUpdateBy(operName);
                     this.updateUser(user);
                     successNum++;