string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%8B%E6%8A%8A%E6%89%8B%E6%95%99%E5%81%9A%E8%A1%A8%E6%A0%BC => Failed to connect to 101.89.117.144 port 38076: Connection refused"
手把手教做表格
