string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E5%BE%88%E5%A4%9A%E4%BA%BA%E5%8E%BB%E6%96%B0%E5%8A%A0%E5%9D%A1 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
为什么很多人去新加坡
