训练
time python main.py --train_data_path='./kaggle_train/train.csv' --mode=train --model_param_path='./model/kaggle_train_result' --eval_data_path='./kaggle_train/test.csv'
计算
time python main.py --train_data_path='./kaggle_train/train.csv' --mode=eval --model_param_path='./model/kaggle_train_result' --eval_data_path='./kaggle_train/test.csv'