string(237) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=iphone11%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E5%8F%91%E5%94%AE%E7%9A%84 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
iphone11什么时候发售的
