string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E5%8D%8E%E4%B9%A6%E5%BA%97%E9%80%80%E6%AC%BE%E6%B5%81%E7%A8%8B => Failed to connect to 101.89.143.195 port 38205: Connection refused"
新华书店退款流程
