Python +selenum 自动化获取的网页不是 js 渲染之后的

用 selenium 请求网页，登陆之后返回的是一段 js，并不是渲染之后的页面，body 里面一个元素都没有，请问该怎么解决下面是返回的源码
<HTML><HEAD>
<SCRIPT src="/prpall/common/pub/UICommon.js"></SCRIPT>

<SCRIPT language=javascript>


    var riskCodeCount = 291;
    var riskCodes = new Array();

	  riskCodes[0] = new Array('01', '0101', '财产基本保险');

	  riskCodes[1] = new Array('01', '0102', '财产综合保险');

	  riskCodes[2] = new Array('01', '0104', '财产一切险');


    var classCodeArrays = new Array();

	  classCodeArrays[0] = new Array('01', '企业财产保险');

	  classCodeArrays[1] = new Array('02', '货运保险');

	  classCodeArrays[2] = new Array('03', '普通家财保险');



  	var comCodeArrays = new Array() ;

            comCodeArrays[0] = new Array('2320000000', '江苏分公司');

            comCodeArrays[1] = new Array('2320100000', '南京分公司');

            comCodeArrays[2] = new Array('2320101000', '南京市江宁支公司');


  try
  {
    parent.document.frames("fraTitle").loadPageForSubmit(riskCodeCount,riskCodes,'01');

    parent.document.frames("fraTitle").loadClassForm(14,classCodeArrays);
    parent.document.frames("fraTitle").loadComCode(comCodeArrays);

    parent.document.frames("fraTitle").setTitleInfo("王婧嫣","江苏分公司","0101");
    parent.document.frames("fraTitle").setOptionClassCode("01");

    parent.document.frames("fraTitle").setOptionRiskCode("0101");
    parent.document.frames("fraTitle").setOptionComCode(2320000000);
    parent.document.frames("fraTitle").controlShow(false,true);



    top.fraTop.rows = "0,0,82,*";
    if(1==0)
    {
      parent.document.frames("fraTitle").setComCode("2320000000");
      parent.document.frames("fraTitle").spanCom.style.display = "";
      parent.document.frames('fraTitle').spanComCode.style.display = "none";
      parent.document.frames('fraTitle').spanComCode1.style.display = "none";
    }
    else
    {
      parent.document.frames("fraTitle").spanCom.style.display = "none";
    }
    var strTemp = "<img class=button name='menuPowerImage' src='/prpall/common/images/butHide.gif' onClick='showHideFrame();'>";
    parent.document.frames('fraTitle').spanMenuPowerImage.innerHTML = strTemp;
    if(parent.fraSet.cols=="0%,*")
    {
      parent.document.frames('fraTitle').showHideFrame();
    }

    parent.fraRight.cols = "*";
    parent.fraRight.rows = "100%,0%,*";
    //非车险的 UICodeGet.jsp
    parent.fraCode.window.location = "/prpall/commonship/pub/UICodeGet.jsp"; //用 commship 下面的 codeget
    parent.fraMenu.window.location = "/prpall/commonship/pub/UIMenuShip.jsp";

  }
  catch(e)
  {
  }
</SCRIPT>
</HEAD>
<BODY></BODY></HTML>