string(250) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B7%E8%A3%A4l%E7%A0%81%E7%9B%B8%E5%BD%93%E4%BA%8E%E4%BB%80%E4%B9%88%E7%A0%81 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
男裤l码相当于什么码
