diff --git a/ppdet/modeling/backbones/__init__.py b/ppdet/modeling/backbones/__init__.py
index aa33cb11f8dddf9d15ceb7611c59922b30837c28..6af61df9dbe62c0010880260f08e57aae42be48d 100644
--- a/ppdet/modeling/backbones/__init__.py
+++ b/ppdet/modeling/backbones/__init__.py
@@ -33,6 +33,7 @@ from . import hourglass
 from . import efficientnet
 from . import bifpn
 from . import cspdarknet
+from . import cspresnet
 
 from .resnet import *
 from .resnext import *
@@ -53,3 +54,4 @@ from .hourglass import *
 from .efficientnet import *
 from .bifpn import *
 from .cspdarknet import *
+from .cspresnet import *
\ No newline at end of file