string(312) "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%E4%B8%80%E5%92%8C%E8%B5%84%E6%9C%AC%E6%80%A7%E6%94%AF%E5%87%BA%E4%BA%8C%E7%9A%84%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.117.144 port 38056: Connection refused"
资本性支出一和资本性支出二的区别
