string(330) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E4%B8%8A%E4%BB%B7%E6%A0%BC%E6%AF%94%E5%AE%9E%E4%BD%93%E5%BA%97%E4%BE%BF%E5%AE%9C%E4%B8%80%E5%8D%8A%E6%98%AF%E7%9C%9F%E7%9A%84%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 101.89.159.206 port 38187: Connection refused"
网上价格比实体店便宜一半是真的吗知乎
