string(261) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%8Eblue%E7%B1%BB%E4%BC%BC%E7%9A%84%E6%83%85%E4%BE%A3%E5%A4%87%E6%B3%A8%E8%8B%B1%E6%96%87 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
与blue类似的情侣备注英文
