diff --git a/ppcls/configs/PULC/safety_helmet/MobileNetV3_small_x0_35.yaml b/ppcls/configs/PULC/safety_helmet/MobileNetV3_small_x0_35.yaml
index 2b536e1b99cf9656c8ed141c50e62bfee6bfc762..9ef4beb79db475869414ec3c6e7b9ade3e24b50a 100644
--- a/ppcls/configs/PULC/safety_helmet/MobileNetV3_small_x0_35.yaml
+++ b/ppcls/configs/PULC/safety_helmet/MobileNetV3_small_x0_35.yaml
@@ -36,7 +36,7 @@ Optimizer:
   momentum: 0.9
   lr:
     name: Cosine
-    learning_rate: 0.4
+    learning_rate: 0.08
     warmup_epoch: 5
   regularizer:
     name: 'L2'
@@ -66,11 +66,11 @@ DataLoader:
 
     sampler:
       name: DistributedBatchSampler
-      batch_size: 64
+      batch_size: 512
       drop_last: False
       shuffle: True
     loader:
-      num_workers: 4
+      num_workers: 8
       use_shared_memory: True
 
   Eval: