string(292) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AD%9F%E5%8A%A0%E6%8B%89%E5%9B%BD%E5%B7%A5%E8%B5%84%E5%A4%9A%E5%B0%91%E4%B8%80%E4%B8%AA%E6%9C%88%E4%BA%BA%E6%B0%91%E5%B8%81 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
孟加拉国工资多少一个月人民币
