看大佬也有类似的@艾特的问题c大编辑器hook/post_start.htm

https://assbbs.com/thread-35075.htm

//if($route=='post'&&!empty($action)&&$action=='update'&& !empty($post['doctype'])){$form_message='<p>'.str_replace(array("\r\n","\r","\n"),'</p><p>',str_replace("\t",'&nbsp;&nbsp;&nbsp;&nbsp;',htmlspecialchars($post['message']))).'</p>';}
//改成下面
if($route=='post'&&!empty($action)&&$action=='update'&& !empty($post['doctype'])){$form_message='<p>'.str_replace(array("\r\n","\r","\n"),'</p><p>',str_replace("\t",'&nbsp;&nbsp;&nbsp;&nbsp;',$post['message'])).'</p>';}