string(258) "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%E6%98%8E%E6%98%8E%E6%88%90%E5%8A%9F%E4%BA%86 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
拼多多砍价明明成功了
