diff --git a/python/paddle/fluid/ir.py b/python/paddle/fluid/ir.py
index 17b7ea1122ab75c5378fbfe2cf6794061e296895..7e2d3df1ce1e435375ecb8e6ad58e88d344e0d1f 100644
--- a/python/paddle/fluid/ir.py
+++ b/python/paddle/fluid/ir.py
@@ -230,9 +230,6 @@ class PassDesc(object):
             self._type = type
 
         def __getattr__(self, name):
-            if self._type is not None:
-                raise AttributeError(
-                    "type object 'OpHelper' has no attribute '{}'".format(name))
             op = PassDesc.OpHelper(name)
             op.Init()
             return op
@@ -261,7 +258,12 @@ class PassDesc(object):
             self._op_idx = len(block.ops)
             self._op_desc = block.desc.append_op()
             self._op_desc.set_type(self._type)
-            self._op_proto = OpProtoHolder.instance().get_op_proto(self._type)
+            self._op_proto = OpProtoHolder.instance().op_proto_map.get(
+                self._type)
+            if self._op_proto is None:
+                raise AttributeError(
+                    "type object 'OpHelper' has no attribute '{}'".format(
+                        self._type))
             block.ops.append(self)
 
         def Attr(self, name):
diff --git a/python/paddle/fluid/tests/unittests/ir/test_ir_generate_pass.py b/python/paddle/fluid/tests/unittests/ir/test_ir_generate_pass.py
index c8b9d5e5739ddd6629b14d49eab287561ffd7999..851ae21c38378f69e5dedeee2115e3e84e7ac7a4 100644
--- a/python/paddle/fluid/tests/unittests/ir/test_ir_generate_pass.py
+++ b/python/paddle/fluid/tests/unittests/ir/test_ir_generate_pass.py
@@ -123,6 +123,9 @@ class TestGeneratePass(unittest.TestCase):
                 op_dicts[op.type] = [op]
         return op_dicts
 
+    def test_has_attr(self):
+        self.assertFalse(hasattr(ir.PassDesc.OP, '__name__'))
+
     def test_generate_fc_fuse(self):
         def _check_fc_fuse_pass(pass_desc, with_relu):
             pattern_op_dicts = self.convert_ops_to_op_dicts(