string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%B9%E6%9E%9C11%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E5%8F%91%E5%B8%83%E4%B8%8A%E5%B8%82%E7%9A%84 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
苹果11什么时候发布上市的
