string(313) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AD%A9%E5%AD%90%E5%81%9A%E4%BD%9C%E4%B8%9A%E8%80%81%E6%98%AF%E4%B8%8D%E8%AE%A4%E7%9C%9F%2C%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E6%94%B9%E6%AD%A3 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
孩子做作业老是不认真,应该怎么改正
