member/mtypes.PHP 文件中,修改方法如下.应该是$mtypename变量没定义
foreach ($mtypename as $id => $name) 这句替换为下面这句3 4 foreach ($_POST['mtypename'] as $id => $name)
另外,member/myfriend_group.php文件中也存在同样的问题,需要增加两个定义
$groupname = $_POST['groupname'];
$mtypeidarr=$_POST['mtypeidarr'];