bug修复

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

@@ -211,7 +211,7 @@ public class RemoteUserServiceImpl implements RemoteUserService {
             }
             return userMapper.exists(new LambdaQueryWrapper<SysUser>()
                 .eq(SysUser::getUserName, sysUserBo.getUserName())
-                .eq(StringUtils.isNotBlank(remoteUserBo.getUserType()), SysUser::getUserType, remoteUserBo.getUserType())
+                .eq(StringUtils.isNotEmpty(remoteUserBo.getUserType()), SysUser::getUserType, remoteUserBo.getUserType())
             );
         });
         if (exist) {