string(330) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BF%AB%E6%89%8B%E4%B9%B0%E4%B8%9C%E8%A5%BF%E4%B8%8D%E5%90%88%E9%80%82%E9%80%80%E5%9B%9E%E5%8E%BB%E6%B2%A1%E6%9C%89%E9%80%80%E6%AC%BE%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 101.89.117.144 port 38076: Connection refused"
快手买东西不合适退回去没有退款怎么办
