string(274) "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%E7%A3%A8%E8%B9%AD%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 14.18.117.71 port 38069: Connection refused"
孩子做作业老是磨蹭怎么办
