string(255) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=iphone%E6%9C%89%E9%94%81%E5%92%8C%E6%97%A0%E9%94%81%E7%9A%84%E5%93%AA%E4%B8%AA%E5%A5%BD => Failed to connect to 101.89.159.206 port 38075: Connection refused"
iphone有锁和无锁的哪个好
