求大神看看，到底错在哪儿啊！

$_SESSION["mima"]="person";
mysql_free_result($rs);//释放内存
mysql_query("SET AUTOCOMMIT=0");
mysql_query("BEGIN");
$execs="insert into dsadwysdable(PeLogin,PePassword,PeAddquest,PeAddAnser,Pnamest,PeEmail,PeSex,pesenfezh,Pexszh,pesrtime,PePhone,penianling,Pminzu,Pqq,Psg,Ptz,PeSchool,PeXL,PeSdpt,PeInNj,PePic,PeIntime,Pecount,PeLasttinme,Pcontent,Peclfag,PeBegintime,PeAllCount,PeUserCount,PeSendcount,perzhilei,Petecgag,Addsdatag,updateAdd,Perfag,namecount) values ('".$yonghuming."','".md5(md5($mima))."','".$baohuwenti."','".md5(md5($baohudaan))."','".$zhensixm."','','".$sex."','','','','".$lianxdianhua."','','','','','','','','','','','".date("Y-m-d H:i:s")."','1','".date("Y-m-d H:i:s")."',' ','普通会员','".date("Y-m-d H:i:s")."',0,0,0,'','','0','".date("Y-m-d H:i:s")."','1','1')";
$rs=mysql_query($execs,$conn) or die ("<SCRIPT language=JavaScript>alert('发生异常,请检测数据的合法性');window.history.back(-1);</SCRIPT>");
$execsaa="insert into pointxiaofeisys(xlogin,xtag,xtime,xadmin,xjine,xcontent,leixings) values('".$yonghuming."','入帐','".date("Y-m-d H:i:s")."','".$yonghuming."','".$PersonSendpoint."','注册赠送体验点','p')";
$rss=$rssaa=mysql_query($execsaa,$conn);