diff --git a/paddle/fluid/operators/checkpoint_notify_op.cc b/paddle/fluid/operators/checkpoint_notify_op.cc
index c229cbf4984d91ef297e5cdd81977791fe8e5830..026ad722c275f21cc5689455e98a3cad7da8bfba 100644
--- a/paddle/fluid/operators/checkpoint_notify_op.cc
+++ b/paddle/fluid/operators/checkpoint_notify_op.cc
@@ -76,7 +76,7 @@ class CheckpointNotifyOpShapeInference : public framework::InferShapeBase {
 
 namespace ops = paddle::operators;
 
-REGISTER_OPERATOR(checkpointnotify, ops::CheckpointNotifyOp,
+REGISTER_OPERATOR(checkpoint_notify, ops::CheckpointNotifyOp,
                   paddle::framework::EmptyGradOpMaker,
                   ops::CheckpointNotifyOpMaker,
                   ops::CheckpointNotifyOpShapeInference);
diff --git a/python/paddle/fluid/framework.py b/python/paddle/fluid/framework.py
index bbd35aaecba27ea9fd66b9be585a972690980ab8..edc7ba69dd6843d6e16171c731b90c5965b71d41 100644
--- a/python/paddle/fluid/framework.py
+++ b/python/paddle/fluid/framework.py
@@ -382,7 +382,7 @@ class Operator(object):
         'rnn_memory_helper_grad', 'conditional_block', 'while', 'send', 'recv',
         'listen_and_serv', 'parallel_do', 'save_combine', 'load_combine',
         'ncclInit', 'channel_create', 'channel_close', 'channel_send',
-        'channel_recv', 'select'
+        'channel_recv', 'select', 'checkpoint_notify'
     }
 
     def __init__(self,
diff --git a/python/paddle/fluid/io.py b/python/paddle/fluid/io.py
index 6a0e422cb3761312105df4a4d30b271eece2ff87..253fd5651c67df99ffbe7a0a8de8c52fe3f9270f 100644
--- a/python/paddle/fluid/io.py
+++ b/python/paddle/fluid/io.py
@@ -613,7 +613,7 @@ def save_pserver_vars_by_notify(executor, dirname, epmap):
     attrs['dir'] = cur_dir
 
     checkpoint_notify_block.append_op(
-        type='checkpointnotify', inputs={}, output={}, attrs=attrs)
+        type='checkpoint_notify', inputs={}, output={}, attrs=attrs)
     executor.run(checkpoint_notify_program)