diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index 26b26c9b1faf7bd976b57f1320bff878f1a21770..33e0ec4ee226126374413382fe8fcbdebdf50f9e 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -444,6 +444,7 @@ function assert_api_spec_approvals() {
                "paddle/fluid/framework/ir/node.h"
                "paddle/fluid/framework/ir/graph.h"
                "paddle/fluid/framework/framework.proto"
+               "python/paddle/fluid/compiler.py"
                "paddle/fluid/operators/distributed/send_recv.proto.in")
     for API_FILE in ${API_FILES[*]}; do
       API_CHANGE=`git diff --name-only upstream/$BRANCH | grep "${API_FILE}" || true`
diff --git a/python/paddle/fluid/compiler.py b/python/paddle/fluid/compiler.py
index d7975fe88612305dfb9326eed4b666c486034924..b1c7bf29c2c7138b7c83d46e15e166aa836997c7 100644
--- a/python/paddle/fluid/compiler.py
+++ b/python/paddle/fluid/compiler.py
@@ -136,7 +136,7 @@ class CompiledProgram(object):
         Returns:
             self
         """
-        assert not self._is_data_parallel, "Cannot compile both data parallel and inference."
+        assert not self._is_data_parallel, "Cannot compile both data parallel and inference"
         assert not self._is_inference, "Already compiled with inference"
 
         assert any([
@@ -218,13 +218,12 @@ class CompiledProgram(object):
 
         places = list(map(_place_obj, self._places))
 
-        pe = core.ParallelExecutor(
+        return core.ParallelExecutor(
             places,
             set(self._persistable_vars),
             cpt.to_text(self._loss_name)
             if self._loss_name else six.u(''), self._scope, self._local_scopes,
             self._exec_strategy, self._build_strategy, self._graph)
-        return pe
 
     def _compile_inference(self):
         return core.create_paddle_predictor(self._infer_config)
diff --git a/python/paddle/fluid/executor.py b/python/paddle/fluid/executor.py
index d0cdb73841c66bde5f2fd041c1b52dcc7e8ca48c..c0191a34deaa5ab3b53b5fe4f33cb5449a2db8b3 100644
--- a/python/paddle/fluid/executor.py
+++ b/python/paddle/fluid/executor.py
@@ -538,6 +538,7 @@ class Executor(object):
         else:
             # TODO(panyx0718): Can compile program to optimize executor
             # performance.
+            # TODO(panyx0718): executor should be able to run graph.
             assert program._program, "CompiledProgram is compiled from graph, can only run with_data_parallel."
             return self._run(
                 program._program,