string(324) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%B9%E6%9E%9C%E6%9C%89%E9%94%81%E5%92%8C%E6%97%A0%E9%94%81%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB%3A%E7%9C%8B%E5%AE%8C%E6%98%8E%E7%99%BD%E4%BA%86 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
苹果有锁和无锁有什么区别:看完明白了
