string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%8D%E4%BB%85%E9%94%BB%E7%82%BC%E4%BA%86%E8%BA%AB%E4%BD%93%E8%8B%B1%E8%AF%AD => Failed to connect to 125.88.227.171 port 38062: Connection refused"
不仅锻炼了身体英语
