string(226) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%8F27%E5%92%8Cf15%E5%93%AA%E4%B8%AA%E5%8E%89%E5%AE%B3 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
苏27和f15哪个厉害
