window.location.href='http://duel.50hero.com/enter.php?str=VGVVOVM6AmIBOlBwVCFdaldlAmlRdg1qUmMOdQc4Aj8DaVcwVTQCYFdvWzJXaQ86UGtTcQM8DjRbNApxVz0OO1RpVWZTKQJrAXNQMVRrXWpXdQK7UeQNoVLgDscHrwKzA9RXnFUvAmtXJVs6V2QPOFByU24DYw52W2sKP1dxDmFUd1U5UzkCagEiUD1UY11yV2wCIFFuDTVSPQ51B2ACJAM2V2VVZAIkV3RbO1ciDzhQYlM4AyQOMls2CnFXaA4pVD5VN1MxAnIBdFBiVD9dNVd1AmhRJw05UjYOYwc5AnQDYVcxVTwCaVdmWzZXYg8yUGBTOgM3DjJbOgpkV3EOYVR3VTlTPQJqASJQeFQ3XSJXIQI2USYNIVI8DiQHOQJnA2RXO1UvAipXYVs0V38PalA1U3ADaQ4uWzcKJFc2Dj9UKlVgU2QCPQEiUDBUIV1qV2YCYlFuDSFSdA4yB3ECIAM2V3NVUgI%2BVzdbbVc0DyBQa1NxAzwOMVs4CmlXcQ6%2FVIpVnFPvAugBrVDjVOdd1FexAulRxA0yUuIO2we5AnQDaFdyVTcCY1dsWyJXPA9jUDNTIAM9DnNbNApgV2EOYFQmVWVTOAI2ATVQalRnXTRXbgJqUTUNZ1I%2FDm4HMwJiA2JXN1VpAmlXbltjVzcPMFBhU2ADYg43WzwKN1dlDm1UMlUhUzACIwE6UDpUYF1qV3UCN1EhDWZSaw4IB3ECOQM%2FV2RVUgI5VzJbIldqD3FQalM1AzwOIls8CmBXYQ5vVDZVMlM%2BAnIBO1B4VGhdaFdtAnFRIQ1wUmIOJQdtAjcDPldkVS8Ca1clWzpXaA84UHJTdQNqDnpbdgo6VzwONFRjVTFTKQJrAXNQMVRqXWpXdQI9UT0NYFJsDjkHYgI7AzZXI1U2AiNXbFs5V2sPIFC4U7IDpA7nW54K%2F1e2Dt1UmVUhUzACIwE6UDlUaF1yVz4CI1F2DThSdA5tBzICZQNpVyNVPwJnV3hbNFdjDyxQYlM2AzMOLls8CmJXYg54VD9Vfg%3D%3D&rand=20190630081247'
这个是跳转的新地址，你根据window.location.href=的那个字符串，接着去爬这个页面