string(270) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=260%E6%98%AF%E5%A4%9A%E5%B0%91%E7%A0%81%E7%9A%84%E9%9E%8B%E5%AD%90%E7%94%B7%E6%80%8E%E4%B9%88%E7%AE%97 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
260是多少码的鞋子男怎么算
