string(306) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%A4%9A%E5%A4%9A%E8%83%BD%E4%B8%8D%E8%83%BD%E5%8F%96%E6%B6%88%E6%8B%BC%E5%8D%95%2C%E8%83%BD%E4%B8%8D%E8%83%BD%E9%80%80%E6%AC%BE => Failed to connect to 101.89.117.144 port 38056: Connection refused"
拼多多能不能取消拼单,能不能退款
