string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9A%E6%B7%98%E5%AE%9D%E4%BB%A3%E7%90%86%E7%9A%84%E6%B5%81%E7%A8%8B => Failed to connect to 101.89.159.206 port 38187: Connection refused"
做淘宝代理的流程
