diff --git a/paddle/contrib/inference/paddle_inference_api_impl.h b/paddle/contrib/inference/paddle_inference_api_impl.h
index 9a333a872c14c8134409373580d332a41ae81f7f..a0c7ff030735fc1c6b9d717f8f9e4addc7e0c6b0 100644
--- a/paddle/contrib/inference/paddle_inference_api_impl.h
+++ b/paddle/contrib/inference/paddle_inference_api_impl.h
@@ -54,7 +54,7 @@ class PaddlePredictorImpl : public PaddlePredictor {
   ~PaddlePredictorImpl() override{};
 
  private:
-  bool InitShared();
+  bool InitShared() override;
   bool SetFeed(const std::vector<PaddleTensor> &input_datas,
                std::vector<paddle::framework::LoDTensor> *feeds);
   bool GetFetch(const std::vector<paddle::framework::LoDTensor> &fetchs,