string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=f15%E4%B8%8E%E8%8B%8F30%2C%E5%93%AA%E4%B8%AA%E5%8E%89%E5%AE%B3 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
f15与苏30,哪个厉害
