string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%85%AC%E5%8F%B8%E7%9A%84%E5%87%80%E5%88%A9%E6%B6%A6%E6%80%8E%E4%B9%88%E7%AE%97 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
公司的净利润怎么算
