string(312) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%91%84%E5%BD%B1%E4%BD%9C%E5%93%81%E5%88%86%E6%9E%90%E4%B8%BB%E8%A6%81%E7%9C%8B%E5%93%AA%E4%BA%9B%E6%96%B9%E9%9D%A2%E7%9A%84%E5%86%85%E5%AE%B9 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
摄影作品分析主要看哪些方面的内容
