string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BF%AB%E6%89%8B%E5%92%8C%E6%8A%96%E9%9F%B3%E7%94%B5%E5%95%86%E7%9A%84%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.159.206 port 38187: Connection refused"
快手和抖音电商的区别
