string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%A6%81%E8%B4%A6%E8%AF%A5%E6%80%8E%E6%A0%B7%E6%96%B9%E5%BC%8F%E8%A6%81%E9%92%B1%E5%91%A2 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
要账该怎样方式要钱呢
