string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%A5%E4%BB%B7%E5%8D%95%E6%A0%BC%E5%BC%8F%E8%A1%A8%E6%80%8E%E4%B9%88%E5%81%9A%E7%9A%84 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
报价单格式表怎么做的
