织梦dedecms5.7 联动类型无法显示的解决办法

$cmspath = ( (empty($cfg_cmspath) || !preg_match('/[/$]/', $cfg_cmspath)) ? 
$cfg_cmspath.'/' : $cfg_cmspath );

if(substr($cmspath,-1,1) != '/') $cmspath .= '/';

$cmspath = ( (empty($cfg_cmspath) || !preg_match('/[\/]$/', $cfg_cmspath)) ? 
$cfg_cmspath.'/' : $cfg_cmspath );