wget --no-check-certificate https://fleet.bj.bcebos.com/text_classification_data.tar.gz
tar -zxvf text_classification_data.tar.gz
#wget --no-check-certificate https://paddle-serving.bj.bcebos.com/imdb-demo%2Fimdb.tar.gz
#tar -xzf imdb-demo%2Fimdb.tar.gz