string(251) "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%E6%98%AF%E5%95%A5%E6%97%B6%E5%80%99%E4%B8%8A%E5%B8%82%E7%9A%84 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
苹果11是啥时候上市的
