string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%8A%E5%B9%B4%E5%8F%8C%E5%8D%81%E4%B8%80%E8%8B%B9%E6%9E%9C11%E5%A4%A7%E6%A6%82%E5%A4%9A%E5%B0%91%E9%92%B1 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
今年双十一苹果11大概多少钱
