diff --git a/ppgan/models/criterions/perceptual_loss.py b/ppgan/models/criterions/perceptual_loss.py
index 2c57edc46590eff3cac358c22694aa91567f3ad5..5e19913897d0a21f98c6bafa24a2ae0ddf1cf20b 100644
--- a/ppgan/models/criterions/perceptual_loss.py
+++ b/ppgan/models/criterions/perceptual_loss.py
@@ -120,7 +120,7 @@ class PerceptualLoss(nn.Layer):
             perceptual_weight=1.0,
             style_weight=1.0,
             norm_img=True,
-            pretrained='https://paddlegan.bj.bcebos.com/model/vgg19.pdparams',
+            pretrained='https://paddlegan.bj.bcebos.com/models/vgg19.pdparams',
             criterion='l1'):
         super(PerceptualLoss, self).__init__()
         # when loss weight less than zero return None
diff --git a/ppgan/utils/options.py b/ppgan/utils/options.py
index e87477af0ca867e1d53d0d64ae9249e9ca2f1a1d..32572c4032168d0398cc4284a507187d072ea20e 100644
--- a/ppgan/utils/options.py
+++ b/ppgan/utils/options.py
@@ -45,10 +45,10 @@ def parse_args():
                         default=False,
                         help='skip validation during training')
     # config options
-    parser.add_argument('opts',
-                        help='See config for all options',
-                        default=None,
-                        nargs=argparse.REMAINDER)
+    parser.add_argument("-o", 
+                        "--opt", 
+                        nargs='+', 
+                        help="set configuration options")
 
     #for inference
     parser.add_argument("--source_path",
diff --git a/tools/main.py b/tools/main.py
index 7d40c11c5b4b93ae9cd4678909efc8b4526dedde..b7e2b82607401d87fa6b2309528e776d2f0f2f92 100644
--- a/tools/main.py
+++ b/tools/main.py
@@ -51,6 +51,6 @@ def main(args, cfg):
 
 if __name__ == '__main__':
     args = parse_args()
-    cfg = get_config(args.config_file)
+    cfg = get_config(args.config_file, args.opt)
 
     main(args, cfg)