string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E6%9C%BA%E8%80%83%E5%A4%A7%E9%A2%98%E6%80%8E%E4%B9%88%E5%86%99 => Failed to connect to 101.89.120.29 port 38231: Connection refused"
注会机考大题怎么写
