diff --git a/ppcls/configs/GeneralRecognition/GeneralRecognition_PPLCNet_x2_5.yaml b/ppcls/configs/GeneralRecognition/GeneralRecognition_PPLCNet_x2_5.yaml
index 4def1be2d2a1dfcaa7f7cf727df354d6f4dc9d3a..967673f2af6df839fc68d628a42d87e7f2c991d0 100644
--- a/ppcls/configs/GeneralRecognition/GeneralRecognition_PPLCNet_x2_5.yaml
+++ b/ppcls/configs/GeneralRecognition/GeneralRecognition_PPLCNet_x2_5.yaml
@@ -84,8 +84,7 @@ DataLoader:
 
     sampler:
       name: DistributedBatchSampler
-      batch_size: 128
-      num_instances: 2
+      batch_size: 256
       drop_last: False
       shuffle: True
     loader: