string(330) "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%88%90%E5%8A%9F%E5%90%8E%E6%98%BE%E7%A4%BA%E7%A0%8D%E4%BB%B7%E5%BC%82%E5%B8%B8%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D => Failed to connect to 101.89.117.144 port 38017: Connection refused"
拼多多砍价成功后显示砍价异常什么意思
