string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%94%B9%E7%AD%BE%E4%B8%8D%E6%89%A3%E6%89%8B%E7%BB%AD%E8%B4%B9%E5%90%A7 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
改签不扣手续费吧
