string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AD%A9%E5%AD%90%E5%9D%9A%E6%8C%81%E9%94%BB%E7%82%BC%E5%86%99%E7%9A%84%E4%B8%80%E5%8F%A5%E8%AF%9D => Failed to connect to 101.89.117.144 port 38208: Connection refused"
孩子坚持锻炼写的一句话
