diff --git a/python/paddle/fluid/framework.py b/python/paddle/fluid/framework.py
index a29db04900a0d3e66d064a4a3c760ecf2e67c441..535909d710eb352bfc90ba42cc3b1894491e9ede 100644
--- a/python/paddle/fluid/framework.py
+++ b/python/paddle/fluid/framework.py
@@ -942,7 +942,7 @@ class Operator(object):
             self.iop = core.OpBase(type)
             self.previous_ops = []
 
-            self.attrs = attrs
+            self.attrs = attrs if attrs else {}
         else:
             self.block = block
             self.desc = desc