string(264) "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%E7%9A%84%E5%A5%BD%E8%BF%98%E6%98%AF%E6%97%A0%E9%94%81%E7%9A%84%E5%A5%BD => Failed to connect to 101.89.117.144 port 38005: Connection refused"
iphone有锁的好还是无锁的好
