string(250) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%92%8Cr%E5%95%86%E6%A0%87%E5%93%AA%E4%B8%AA%E6%9C%80%E6%94%BE%E5%BF%83%E7%94%A8 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
和r商标哪个最放心用
