string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%B0%E5%9C%A8%E5%BE%AE%E5%95%86%E4%B8%8D%E5%A5%BD%E5%81%9A%E4%BA%86%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 14.18.117.71 port 38220: Connection refused"
现在微商不好做了吗知乎
