1. download data: wget https://paddle-hapi.bj.bcebos.com/data/bert_data.tar.gz

2. unzip data: tar -zvxf bert_data.tar.gz

3. download pretrained parameters: wget https://paddle-hapi.bj.bcebos.com/models/bert_uncased_L-12_H-768_A-12.tar.gz

4. unzip pretrained parameters: tar -zvxf bert_uncased_L-12_H-768_A-12.tar.gz

4. bash run_classifier_single_gpu.sh