string(240) "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%E5%8D%B7%E5%AD%90%E8%B0%81%E6%89%B9%E6%94%B9%E7%9A%84 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
注会卷子谁批改的
