diff --git a/paddle/fluid/lite/api/cxx_api.cc b/paddle/fluid/lite/api/cxx_api.cc
index 07a216b63739d48ce68dc359c87245f812f97715..6bf789c35fe804a89c4c95c4d2f46b148e2fe5cc 100644
--- a/paddle/fluid/lite/api/cxx_api.cc
+++ b/paddle/fluid/lite/api/cxx_api.cc
@@ -25,7 +25,7 @@ namespace paddle {
 namespace lite {
 
 #ifndef LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
-void LightPredictor::SaveModel(const std::string &dir) {
+void CXXPredictor::SaveModel(const std::string &dir) {
   MkDirRecursively(dir.c_str());
   program_->PersistModel(dir, program_desc_);
 }
diff --git a/paddle/fluid/lite/api/cxx_api.h b/paddle/fluid/lite/api/cxx_api.h
index d9c0c4a195a35598f7d424a1fbb4779723855bec..72e1bea61416035af0a9c9271111860d76565365 100644
--- a/paddle/fluid/lite/api/cxx_api.h
+++ b/paddle/fluid/lite/api/cxx_api.h
@@ -28,14 +28,13 @@ namespace lite {
 
 struct Config {};
 
-class LightPredictor {
+class CXXPredictor {
  public:
-  LightPredictor() { scope_ = std::make_shared<Scope>(); }
+  CXXPredictor() { scope_ = std::make_shared<Scope>(); }
 
   void Build(const std::string& model_path, const Place& prefer_place,
              const std::vector<Place>& valid_places) {
     LoadModel(model_path, scope_.get(), &program_desc_);
-
     Program program(program_desc_, scope_, valid_places);
 
     optimizer_.KernelPickPreferPlace(prefer_place);
diff --git a/paddle/fluid/lite/api/cxx_api_bin.cc b/paddle/fluid/lite/api/cxx_api_bin.cc
index 4ff18ded8496ba7acf09b28486d2863140f7b080..4340387f853b4ecad2a674a2abfe5133ec51e5b6 100644
--- a/paddle/fluid/lite/api/cxx_api_bin.cc
+++ b/paddle/fluid/lite/api/cxx_api_bin.cc
@@ -20,7 +20,7 @@ namespace paddle {
 namespace lite {
 
 void Run(const char* model_dir) {
-  lite::LightPredictor predictor;
+  lite::CXXPredictor predictor;
 #ifndef LITE_WITH_CUDA
   std::vector<Place> valid_places({Place{TARGET(kHost), PRECISION(kFloat)}});
 #else
diff --git a/paddle/fluid/lite/api/cxx_api_test.cc b/paddle/fluid/lite/api/cxx_api_test.cc
index 3d929ffb38a9d014b37ac128ce3ce48f14986152..bbd19340a148b7091083cc09a47fb736c37c9666 100644
--- a/paddle/fluid/lite/api/cxx_api_test.cc
+++ b/paddle/fluid/lite/api/cxx_api_test.cc
@@ -26,7 +26,7 @@ namespace paddle {
 namespace lite {
 
 TEST(CXXApi, test) {
-  lite::LightPredictor predictor;
+  lite::CXXPredictor predictor;
 #ifndef LITE_WITH_CUDA
   std::vector<Place> valid_places({Place{TARGET(kHost), PRECISION(kFloat)}});
 #else
@@ -64,7 +64,7 @@ TEST(CXXApi, test) {
 
 #ifndef LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
 TEST(CXXApi, save_model) {
-  lite::LightPredictor predictor;
+  lite::CXXPredictor predictor;
   std::vector<Place> valid_places({Place{TARGET(kHost), PRECISION(kFloat)}});
   predictor.Build(FLAGS_model_dir, Place{TARGET(kCUDA), PRECISION(kFloat)},
                   valid_places);
diff --git a/paddle/fluid/lite/core/type_system.h b/paddle/fluid/lite/core/type_system.h
index b83eca233bf45ca6cb6dc67761b305f9a532671a..46d17e3c33e9058288f9a73649cb88ea8c3ed868 100644
--- a/paddle/fluid/lite/core/type_system.h
+++ b/paddle/fluid/lite/core/type_system.h
@@ -212,7 +212,7 @@ struct ParamType {
   const Type* type;
 
   ParamType() = default;
-  explicit ParamType(const Type* type) : type(type) {}
+  ParamType(const Type* type) : type(type) {}  // NOLINT
 
   std::string DebugString() const { return type->name(); }
 };