diff --git a/ppcls/configs/ImageNet/ResNet/ResNet50_fp16.yaml b/ppcls/configs/ImageNet/ResNet/ResNet50_fp16.yaml
index e58539b466f3b59d637f4f6a8e7188f6a9b8b876..f039a60b6d0ff9e1d0cc2f33e662c5856481bfbf 100644
--- a/ppcls/configs/ImageNet/ResNet/ResNet50_fp16.yaml
+++ b/ppcls/configs/ImageNet/ResNet/ResNet50_fp16.yaml
@@ -78,7 +78,7 @@ DataLoader:
 
     sampler:
       name: DistributedBatchSampler
-      batch_size: 32
+      batch_size: 64
       drop_last: False
       shuffle: True
     loader: