diff --git a/fluid/PaddleRec/gru4rec/README.md b/fluid/PaddleRec/gru4rec/README.md
index e94aea661737c8cba696ae96ccdd54fd2f974f1a..1271612b1b34274c455090c8ba2d5d540a9241e8 100644
--- a/fluid/PaddleRec/gru4rec/README.md
+++ b/fluid/PaddleRec/gru4rec/README.md
@@ -136,7 +136,6 @@ bayesian pairwise ranking loss(bpr loss) 训练
 CUDA_VISIBLE_DEVICES=0 python train_sample_neg.py --loss bpr --use_cuda 1
 ```
 
-
 请注意CPU环境下运行单机多卡任务（--parallel 1)时，batch_size应大于cpu核数。
 
 ## 自定义网络结构
diff --git a/fluid/PaddleRec/gru4rec/infer_sample_neg.py b/fluid/PaddleRec/gru4rec/infer_sample_neg.py
index 26c7d8eeb44d8da35e5c99bc4018090fa1698db8..0915fe18d571ba459930960d7a39735dc075c930 100644
--- a/fluid/PaddleRec/gru4rec/infer_sample_neg.py
+++ b/fluid/PaddleRec/gru4rec/infer_sample_neg.py
@@ -9,7 +9,6 @@ import six
 import paddle.fluid as fluid
 import paddle
 import net
-
 import utils