语法错误 (操作符丢失)问题

<!-- #include file="conn.asp" -->
<%
linkid=request("linkid")

lianjie_id=request("lianjie_id")

Set Rs=server.CreateObject("adodb.recordset")
rs.open "select * from [shop_links] where [linkid]="+request.form("linkid"),conn,1,3
rs("lianjie_id")=lianjie_id

Rs.Update
Rs.Close
Set Rs=Nothing
Conn.Close
Set Conn=Nothing
response.write "<script language='javascript'>" & chr(13)
        response.write "alert('修改成功！');" & Chr(13)
        response.write "window.document.location.href='links.asp';"&Chr(13)
        response.write "</script>" & Chr(13)
Response.End
%>