string(274) "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%E8%B6%8A%E7%8B%B1%E5%92%8C%E4%B8%8D%E8%B6%8A%E7%8B%B1%E6%9C%89%E5%95%A5%E5%8C%BA%E5%88%AB => Failed to connect to 14.18.117.71 port 38041: Connection refused"
苹果越狱和不越狱有啥区别
