diff --git a/deploy/configs/PULC/safety_helmet/inference_safety_helmet.yaml b/deploy/configs/PULC/safety_helmet/inference_safety_helmet.yaml
index 5f128e187..66a4cebb3 100644
--- a/deploy/configs/PULC/safety_helmet/inference_safety_helmet.yaml
+++ b/deploy/configs/PULC/safety_helmet/inference_safety_helmet.yaml
@@ -29,7 +29,7 @@ PreProcess:
 PostProcess:
   main_indicator: ThreshOutput
   ThreshOutput:
-    threshold: 0.9
+    threshold: 0.5
     label_0: wearing_helmet
     label_1: unwearing_helmet
   SavePreLabel:
diff --git a/ppcls/configs/PULC/safety_helmet/MobileNetV3_large_x0_35.yaml b/ppcls/configs/PULC/safety_helmet/MobileNetV3_small_x0_35.yaml
similarity index 95%
rename from ppcls/configs/PULC/safety_helmet/MobileNetV3_large_x0_35.yaml
rename to ppcls/configs/PULC/safety_helmet/MobileNetV3_small_x0_35.yaml
index 3f945e49d..fd1817109 100644
--- a/ppcls/configs/PULC/safety_helmet/MobileNetV3_large_x0_35.yaml
+++ b/ppcls/configs/PULC/safety_helmet/MobileNetV3_small_x0_35.yaml
@@ -16,7 +16,7 @@ Global:
 
 # model architecture
 Arch:
-  name: MobileNetV3_large_x0_35
+  name: MobileNetV3_small_x0_35
   pretrained: True
   class_num: 2
  
@@ -36,7 +36,7 @@ Optimizer:
   momentum: 0.9
   lr:
     name: Cosine
-    learning_rate: 0.050
+    learning_rate: 0.015
     warmup_epoch: 5
   regularizer:
     name: 'L2'
@@ -67,7 +67,7 @@ DataLoader:
 
     sampler:
       name: DistributedBatchSampler
-      batch_size: 256
+      batch_size: 64
       drop_last: False
       shuffle: True
     loader:
@@ -120,16 +120,16 @@ Infer:
     - ToCHWImage:
   PostProcess:
     name: ThreshOutput
-    threshold: 0.9235
+    threshold: 0.5
     label_0: wearing_helmet
     label_1: unwearing_helmet
 
 Metric:
   Train:
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
   Eval:
     - TprAtFpr:
         max_fpr: 0.0001
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
diff --git a/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0.yaml b/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0.yaml
index bbc3c1414..3ad59e2e0 100644
--- a/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0.yaml
+++ b/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0.yaml
@@ -119,16 +119,16 @@ Infer:
     - ToCHWImage:
   PostProcess:
     name: ThreshOutput
-    threshold: 0.9235
+    threshold: 0.5
     label_0: wearing_helmet
     label_1: unwearing_helmet
 
 Metric:
   Train:
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
   Eval:
     - TprAtFpr:
         max_fpr: 0.0001
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
diff --git a/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0_distillation.yaml b/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0_distillation.yaml
index 7d47ef079..254db5df4 100644
--- a/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0_distillation.yaml
+++ b/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0_distillation.yaml
@@ -169,7 +169,7 @@ Infer:
     - ToCHWImage:
   PostProcess:
     name: ThreshOutput
-    threshold: 0.9235
+    threshold: 0.5
     label_0: wearing_helmet
     label_1: unwearing_helmet
 
@@ -177,9 +177,9 @@ Metric:
   Train:
     - DistillationTopkAcc:
         model_key: "Student"
-        topk: [1, 2]
+        topk: [1]
   Eval:
     - TprAtFpr:
         max_fpr: 0.0001
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
diff --git a/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0_search.yaml b/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0_search.yaml
index d5f8b4553..58cc3300d 100644
--- a/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0_search.yaml
+++ b/ppcls/configs/PULC/safety_helmet/PPLCNet_x1_0_search.yaml
@@ -133,16 +133,16 @@ Infer:
     - ToCHWImage:
   PostProcess:
     name: ThreshOutput
-    threshold: 0.9235
+    threshold: 0.5
     label_0: wearing_helmet
     label_1: unwearing_helmet
 
 Metric:
   Train:
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
   Eval:
     - TprAtFpr:
         max_fpr: 0.0001
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
diff --git a/ppcls/configs/PULC/safety_helmet/Res2Net200_vd_26w_4s.yaml b/ppcls/configs/PULC/safety_helmet/Res2Net200_vd_26w_4s.yaml
index b9660d6f0..5ab2f484e 100644
--- a/ppcls/configs/PULC/safety_helmet/Res2Net200_vd_26w_4s.yaml
+++ b/ppcls/configs/PULC/safety_helmet/Res2Net200_vd_26w_4s.yaml
@@ -121,16 +121,17 @@ Infer:
     - ToCHWImage:
   PostProcess:
     name: ThreshOutput
-    threshold: 0.9235
+    threshold: 0.5
     label_0: wearing_helmet
     label_1: unwearing_helmet
 
 Metric:
   Train:
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
   Eval:
     - TprAtFpr:
         max_fpr: 0.0001
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]
+
diff --git a/ppcls/configs/PULC/safety_helmet/SwinTransformer_tiny_patch4_window7_224.yaml b/ppcls/configs/PULC/safety_helmet/SwinTransformer_tiny_patch4_window7_224.yaml
index dcc537347..666ad6be2 100644
--- a/ppcls/configs/PULC/safety_helmet/SwinTransformer_tiny_patch4_window7_224.yaml
+++ b/ppcls/configs/PULC/safety_helmet/SwinTransformer_tiny_patch4_window7_224.yaml
@@ -139,7 +139,7 @@ Infer:
     - ToCHWImage:
   PostProcess:
     name: ThreshOutput
-    threshold: 0.9235
+    threshold: 0.5
     label_0: wearing_helmet
     label_1: unwearing_helmet
 
@@ -148,4 +148,4 @@ Metric:
     - TprAtFpr:
         max_fpr: 0.0001
     - TopkAcc:
-        topk: [1, 2]
+        topk: [1]