diff --git a/ppgan/datasets/transforms/__init__.py b/ppgan/datasets/transforms/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..3b0e160826a488a942807e210489c7f75f9048e6
--- /dev/null
+++ b/ppgan/datasets/transforms/__init__.py
@@ -0,0 +1 @@
+from .transforms import ResizeToScale, PairedRandomCrop, PairedRandomHorizontalFlip, Add
\ No newline at end of file
diff --git a/ppgan/models/criterions/perceptual_loss.py b/ppgan/models/criterions/perceptual_loss.py
index f112b9f5c14eeaf0e5ae726aa91beb4c2d8bd5b1..2c57edc46590eff3cac358c22694aa91567f3ad5 100644
--- a/ppgan/models/criterions/perceptual_loss.py
+++ b/ppgan/models/criterions/perceptual_loss.py
@@ -29,7 +29,7 @@ class PerceptualVGG(nn.Layer):
             layer_name_list,
             vgg_type='vgg19',
             use_input_norm=True,
-            pretrained_url='https://paddlegan.bj.bcebos.com/model/vgg19.pdparams'
+            pretrained_url='https://paddlegan.bj.bcebos.com/models/vgg19.pdparams'
     ):
         super(PerceptualVGG, self).__init__()
 
diff --git a/ppgan/utils/download.py b/ppgan/utils/download.py
index e9411a29db9bef05f7d487699e27731e86e40a44..016358404180a29471da3cc55992f2becffd3867 100644
--- a/ppgan/utils/download.py
+++ b/ppgan/utils/download.py
@@ -18,20 +18,17 @@ from __future__ import print_function
 
 import os
 import sys
-import os.path as osp
+import time
 import shutil
-import requests
 import hashlib
 import tarfile
 import zipfile
-import time
+import requests
+import os.path as osp
 from tqdm import tqdm
-import logging
 
 from .logger import get_logger
 
-logger = get_logger('ppgan')
-
 PPGAN_HOME = os.path.expanduser("~/.cache/ppgan/")
 
 DOWNLOAD_RETRY_LIMIT = 3
@@ -75,6 +72,7 @@ def get_path_from_url(url, md5sum=None, check_exist=True):
     fullpath = _map_path(url, root_dir)
 
     if osp.exists(fullpath) and check_exist and _md5check(fullpath, md5sum):
+        logger = get_logger('ppgan')
         logger.info("Found {}".format(fullpath))
     else:
         if ParallelEnv().local_rank == 0:
@@ -111,6 +109,7 @@ def _download(url, path, md5sum=None):
             raise RuntimeError("Download from {} failed. "
                                "Retry limit reached".format(url))
 
+        logger = get_logger('ppgan')
         logger.info("Downloading {} from {} to {}".format(fname, url, fullname))
 
         req = requests.get(url, stream=True)
@@ -141,6 +140,7 @@ def _md5check(fullname, md5sum=None):
     if md5sum is None:
         return True
 
+    logger = get_logger('ppgan')
     logger.info("File {} md5 checking...".format(fullname))
     md5 = hashlib.md5()
     with open(fullname, 'rb') as f:
@@ -159,6 +159,8 @@ def _decompress(fname):
     """
     Decompress for zip and tar file
     """
+    logger = get_logger('ppgan')
+
     logger.info("Decompressing {}...".format(fname))
 
     # For protecting decompressing interupted,