string(241) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B7%E9%9E%8B280%E6%98%AF%E5%A4%9A%E5%A4%A7%E7%9A%84%E9%9E%8B%E5%AD%90 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
男鞋280是多大的鞋子
