string(276) "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%E6%9C%89%E5%93%AA%E4%BA%9B%E8%B4%B9%E7%94%A8%E7%BB%84%E6%88%90 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
资本性支出有哪些费用组成
