diff --git a/configs/quick_start/MobileNetV3_large_x1_0_finetune.yaml b/configs/quick_start/MobileNetV3_large_x1_0_finetune.yaml
index 827029b7d..411d71da3 100644
--- a/configs/quick_start/MobileNetV3_large_x1_0_finetune.yaml
+++ b/configs/quick_start/MobileNetV3_large_x1_0_finetune.yaml
@@ -27,7 +27,7 @@ OPTIMIZER:
 
 TRAIN:
     batch_size: 32
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/train_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
@@ -49,7 +49,7 @@ TRAIN:
 
 VALID:
     batch_size: 20
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/val_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
diff --git a/configs/quick_start/R50_vd_distill_MV3_large_x1_0.yaml b/configs/quick_start/R50_vd_distill_MV3_large_x1_0.yaml
index 2ece6eba3..7ffbb7fc5 100644
--- a/configs/quick_start/R50_vd_distill_MV3_large_x1_0.yaml
+++ b/configs/quick_start/R50_vd_distill_MV3_large_x1_0.yaml
@@ -32,7 +32,7 @@ OPTIMIZER:
 
 TRAIN:
     batch_size: 32
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/train_extra_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
@@ -54,7 +54,7 @@ TRAIN:
 
 VALID:
     batch_size: 20
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/val_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
diff --git a/configs/quick_start/ResNet50_vd.yaml b/configs/quick_start/ResNet50_vd.yaml
index 40befb57c..46e8d9bf0 100644
--- a/configs/quick_start/ResNet50_vd.yaml
+++ b/configs/quick_start/ResNet50_vd.yaml
@@ -29,7 +29,7 @@ OPTIMIZER:
 
 TRAIN:
     batch_size: 32
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/train_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
@@ -51,7 +51,7 @@ TRAIN:
 
 VALID:
     batch_size: 20
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/val_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
diff --git a/configs/quick_start/ResNet50_vd_finetune.yaml b/configs/quick_start/ResNet50_vd_finetune.yaml
index 415e0e80d..c29959cf2 100644
--- a/configs/quick_start/ResNet50_vd_finetune.yaml
+++ b/configs/quick_start/ResNet50_vd_finetune.yaml
@@ -27,7 +27,7 @@ OPTIMIZER:
 
 TRAIN:
     batch_size: 32
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/train_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
@@ -49,7 +49,7 @@ TRAIN:
 
 VALID:
     batch_size: 20
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/val_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
diff --git a/configs/quick_start/ResNet50_vd_ssld_finetune.yaml b/configs/quick_start/ResNet50_vd_ssld_finetune.yaml
index d6bf86341..f83fb0367 100644
--- a/configs/quick_start/ResNet50_vd_ssld_finetune.yaml
+++ b/configs/quick_start/ResNet50_vd_ssld_finetune.yaml
@@ -29,7 +29,7 @@ OPTIMIZER:
 
 TRAIN:
     batch_size: 32
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/train_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
@@ -51,7 +51,7 @@ TRAIN:
 
 VALID:
     batch_size: 20
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/val_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
diff --git a/configs/quick_start/ResNet50_vd_ssld_random_erasing_finetune.yaml b/configs/quick_start/ResNet50_vd_ssld_random_erasing_finetune.yaml
index 0019908f0..f54a68063 100644
--- a/configs/quick_start/ResNet50_vd_ssld_random_erasing_finetune.yaml
+++ b/configs/quick_start/ResNet50_vd_ssld_random_erasing_finetune.yaml
@@ -29,7 +29,7 @@ OPTIMIZER:
 
 TRAIN:
     batch_size: 32
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/train_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0
@@ -53,7 +53,7 @@ TRAIN:
 
 VALID:
     batch_size: 20
-    num_workers: 4
+    num_workers: 0
     file_list: "./dataset/flowers102/val_list.txt"
     data_dir: "./dataset/flowers102/"
     shuffle_seed: 0