diff --git a/python/paddle/fluid/framework.py b/python/paddle/fluid/framework.py
index efba771f27aa670a99fd310f76d0eb378fc04e4f..a0a2a7937142af0c2a555c58bf46ea5e52a1ae16 100644
--- a/python/paddle/fluid/framework.py
+++ b/python/paddle/fluid/framework.py
@@ -938,7 +938,7 @@ 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