discuz3.4手机访问时没有发帖按钮

<a href="home.php?mod=spacecp&ac=favorite&type=forum&id=$_G[fid]&handlekey=favoriteforum&formhash=xxxxx" id="a_favorite" class="minfish_fa_fav" onclick="showWindow(this.id, this.href, 'get', 0);">+ 关注</a>换成<a href="javascript:;" id="newspecial" onmouseover="$('newspecial').id = 'newspecialtmp';this.id = 'newspecial';showMenu({'ctrlid':this.id})" onclick="showWindow('newthread', 'forum.php?mod=post&action=newthread&fid=$_G[fid]')" title="发新帖"><img src="template/xiaoyu_com/style/images/pn_post.png" alt="发新帖"></a>