string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9A%E6%8B%BC%E5%A4%9A%E5%A4%9A%E7%9A%84%E9%A3%8E%E9%99%A9%E6%9C%89%E5%93%AA%E4%BA%9B%E5%9B%A0%E7%B4%A0 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
做拼多多的风险有哪些因素
