string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%95%E5%B8%81%E6%B0%B4%E6%9E%9C%E6%9C%BA%E7%9A%84%E8%A7%84%E5%BE%8B%E5%92%8C%E6%BC%8F%E6%B4%9E => Failed to connect to 101.89.117.144 port 38022: Connection refused"
投币水果机的规律和漏洞
