string(292) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%B5%84%E6%9C%AC%E6%80%A7%E6%94%AF%E5%87%BA%E5%8C%85%E6%8B%AC%E9%95%BF%E6%9C%9F%E6%8A%95%E8%B5%84%E5%90%97%E5%AF%B9%E5%90%97 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
资本性支出包括长期投资吗对吗
