diff --git a/yolo.py b/yolo.py
index 425a505..265af0a 100644
--- a/yolo.py
+++ b/yolo.py
@@ -69,6 +69,7 @@ def __init__(self, **kwargs):
         self.__dict__.update(self._defaults)
         for name, value in kwargs.items():
             setattr(self, name, value)
+            self._defaults[name] = value 
             
         #---------------------------------------------------#
         #   获得种类和先验框的数量