diff --git a/ppcls/data/dataloader/icartoon_dataset.py b/ppcls/data/dataloader/icartoon_dataset.py
index 212341481b8bb10c98578cfb701f6a3c5a9709cd..18e3b4b7f1fac551e925de911bfd07e1e14584a4 100644
--- a/ppcls/data/dataloader/icartoon_dataset.py
+++ b/ppcls/data/dataloader/icartoon_dataset.py
@@ -32,5 +32,5 @@ class ICartoonDataset(CommonDataset):
             for l in lines:
                 l = l.strip().split("\t")
                 self.images.append(os.path.join(self._img_root, l[0]))
-                self.labels.append(int(l[1]))
+                self.labels.append(np.int64(l[1]))
                 assert os.path.exists(self.images[-1])
diff --git a/ppcls/data/dataloader/imagenet_dataset.py b/ppcls/data/dataloader/imagenet_dataset.py
index e084bb7419417a70d437c3b163c3d58b4648ca01..1166ab3851b0c594469f135c1c4b3c7bc921ac5f 100644
--- a/ppcls/data/dataloader/imagenet_dataset.py
+++ b/ppcls/data/dataloader/imagenet_dataset.py
@@ -34,5 +34,5 @@ class ImageNetDataset(CommonDataset):
             for l in lines:
                 l = l.strip().split(" ")
                 self.images.append(os.path.join(self._img_root, l[0]))
-                self.labels.append(int(l[1]))
+                self.labels.append(np.int64(l[1]))
                 assert os.path.exists(self.images[-1])
diff --git a/ppcls/data/dataloader/logo_dataset.py b/ppcls/data/dataloader/logo_dataset.py
index 3e05e7fedc1e5c01668beeaee5b8a25924fe4f55..132ead989ed07af7c1bed1288fd32eb44f4d0d86 100644
--- a/ppcls/data/dataloader/logo_dataset.py
+++ b/ppcls/data/dataloader/logo_dataset.py
@@ -28,6 +28,7 @@ import random
 
 from .common_dataset import CommonDataset
 
+
 class LogoDataset(CommonDataset):
     def _load_anno(self):
         assert os.path.exists(self._cls_path)
@@ -41,7 +42,5 @@ class LogoDataset(CommonDataset):
                 if l[0] == 'image_id':
                     continue
                 self.images.append(os.path.join(self._img_root, l[3]))
-                self.labels.append(int(l[1])-1)
+                self.labels.append(np.int64(l[1]) - 1)
                 assert os.path.exists(self.images[-1])
-
-                
diff --git a/ppcls/data/dataloader/multilabel_dataset.py b/ppcls/data/dataloader/multilabel_dataset.py
index 08d2ba15b02b2bd261ad210767b4feb0843fb67d..2c1ed770388035d2a9fa5a670948d9e1623a0406 100644
--- a/ppcls/data/dataloader/multilabel_dataset.py
+++ b/ppcls/data/dataloader/multilabel_dataset.py
@@ -37,7 +37,7 @@ class MultiLabelDataset(CommonDataset):
                 self.images.append(os.path.join(self._img_root, l[0]))
 
                 labels = l[1].split(',')
-                labels = [int(i) for i in labels]
+                labels = [np.int64(i) for i in labels]
 
                 self.labels.append(labels)
                 assert os.path.exists(self.images[-1])
diff --git a/ppcls/data/dataloader/vehicle_dataset.py b/ppcls/data/dataloader/vehicle_dataset.py
index 80fc6bb08d6e2458ca2604dc91933b4a28971d2f..2981a57a0516aa25145f39479a34635b3be063f8 100644
--- a/ppcls/data/dataloader/vehicle_dataset.py
+++ b/ppcls/data/dataloader/vehicle_dataset.py
@@ -112,8 +112,8 @@ class VeriWild(Dataset):
             for l in lines:
                 l = l.strip().split()
                 self.images.append(os.path.join(self._img_root, l[0]))
-                self.labels.append(int(l[1]))
-                self.cameras.append(int(l[2]))
+                self.labels.append(np.int64(l[1]))
+                self.cameras.append(np.int64(l[2]))
                 assert os.path.exists(self.images[-1])
 
     def __getitem__(self, idx):