string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%A4%9A%E5%A4%9A%E7%A0%8D%E4%BB%B7%E5%A4%B1%E8%B4%A5%E8%A6%81%E4%BB%98%E6%AC%BE%E5%90%97 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
拼多多砍价失败要付款吗
