string(247) "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%E6%80%8E%E4%B9%88%E8%BF%98%E8%A6%81%E6%89%8B%E7%BB%AD%E8%B4%B9 => Failed to connect to 218.78.59.96 port 38042: Connection refused"
改签怎么还要手续费
