string(312) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B8%82%E5%9C%BA%E8%90%A5%E9%94%80%E7%9A%84%E5%AE%8F%E8%A7%82%E7%8E%AF%E5%A2%83%E5%8C%85%E6%8B%AC%E6%96%87%E5%8C%96%E7%8E%AF%E5%A2%83%E5%90%97 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
市场营销的宏观环境包括文化环境吗
