bug修复

ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/dubbo/RemoteUserServiceImpl.java

@@ -210,7 +210,9 @@ public class RemoteUserServiceImpl implements RemoteUserService {
                 throw new ServiceException("当前系统没有开启注册功能");
             }
             return userMapper.exists(new LambdaQueryWrapper<SysUser>()
-                .eq(SysUser::getUserName, sysUserBo.getUserName()));
+                .eq(SysUser::getUserName, sysUserBo.getUserName())
+                .eq(StringUtils.isNotBlank(remoteUserBo.getUserType()), SysUser::getUserType, remoteUserBo.getUserType())
+            );
         });
         if (exist) {
             throw new UserException("user.register.save.error", username);