diff --git a/dataset.py b/dataset.py
index 44f0429..79bcd60 100644
--- a/dataset.py
+++ b/dataset.py
@@ -431,7 +431,7 @@ def process_data(self, path, update_dict=False):
 
         return total_data
 
-    def get_dataloader(self, batch_size=None, shuffle=True):
+    def get_dataloader(self, batch_size=None, shuffle=True, use_cuda=False):
         if batch_size is None:
             batch_size = self.config.batch_size
 
@@ -446,7 +446,7 @@ def get_dataloader(self, batch_size=None, shuffle=True):
                 sampler=train_sampler,
                 num_workers=self.config.data_workers,
                 collate_fn=self.batchify,
-                pin_memory=True
+                pin_memory=use_cuda,
             )
         else:
             train_loader = None
@@ -462,7 +462,7 @@ def get_dataloader(self, batch_size=None, shuffle=True):
                 sampler=valid_sampler,
                 num_workers=self.config.data_workers,
                 collate_fn=self.batchify,
-                pin_memory=True
+                pin_memory=use_cuda,
             )
         else:
             valid_loader = None
@@ -477,7 +477,7 @@ def get_dataloader(self, batch_size=None, shuffle=True):
             sampler=test_sampler,
             num_workers=self.config.data_workers,
             collate_fn=self.batchify,
-            pin_memory=True
+            pin_memory=use_cuda,
         )
 
         return train_loader, valid_loader, test_loader
@@ -665,7 +665,7 @@ def __init__(self):
         self.dur_size = 0
         self.class_div = 0
         self.slot_size = 0
-        self.data_workers = 4
+        self.data_workers = 0
         self.save_dataset = False
         self.sm_day_num = 7
         self.sm_slot_num = 24