diff --git a/Classification/cnns/config.py b/Classification/cnns/config.py
index 29a29fa490f7f0e4ec217551f6e0124e15e43592..20989e92160a7976f60abb46fe8f2c8326612c6a 100755
--- a/Classification/cnns/config.py
+++ b/Classification/cnns/config.py
@@ -91,13 +91,13 @@ def get_parser(parser=None):
         '--fuse_bn_relu',
         type=str2bool,
         default=False,
-        help='Whether to use use fuse batch normalization relu'
+        help='Whether to use use fuse batch normalization relu. Currently supported in origin/master of OneFlow only.'
     )
     parser.add_argument(
         '--fuse_bn_add_relu',
         type=str2bool,
         default=False,
-        help='Whether to use use fuse batch normalization add relu'
+        help='Whether to use use fuse batch normalization add relu. Currently supported in origin/master of OneFlow only.'
     )
 
     # inference