string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%A4%9A%E5%A4%9A%E5%8F%91%E5%B1%95%E7%9A%84%E6%94%BF%E6%B2%BB%E7%8E%AF%E5%A2%83 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
拼多多发展的政治环境
