string(322) "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%2C%E8%BF%98%E4%B8%B0%E5%AF%8C%E4%BA%86%E7%B2%BE%E7%A5%9E%E4%B8%96%E7%95%8C%E8%8B%B1%E6%96%87 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
不仅锻炼了身体,还丰富了精神世界英文
