diff --git a/deploy/cpp_infer/src/ocr_det.cpp b/deploy/cpp_infer/src/ocr_det.cpp
index 636d2d0453..ee30c1a752 100644
--- a/deploy/cpp_infer/src/ocr_det.cpp
+++ b/deploy/cpp_infer/src/ocr_det.cpp
@@ -25,7 +25,7 @@ void DBDetector::LoadModel(const std::string &model_dir) {
     config.EnableUseGpu(this->gpu_mem_, this->gpu_id_);
   } else {
     config.DisableGpu();
-    config.EnableMKLDNN(); // 开启MKLDNN加速
+    // config.EnableMKLDNN(); // not sugesteed to use for now
     config.SetCpuMathLibraryNumThreads(this->cpu_math_library_num_threads_);
   }
 
diff --git a/deploy/cpp_infer/src/ocr_rec.cpp b/deploy/cpp_infer/src/ocr_rec.cpp
index 6173c7ce73..95ea9a5e74 100644
--- a/deploy/cpp_infer/src/ocr_rec.cpp
+++ b/deploy/cpp_infer/src/ocr_rec.cpp
@@ -128,7 +128,7 @@ void CRNNRecognizer::LoadModel(const std::string &model_dir) {
     config.EnableUseGpu(this->gpu_mem_, this->gpu_id_);
   } else {
     config.DisableGpu();
-    config.EnableMKLDNN(); // 开启MKLDNN加速
+    // config.EnableMKLDNN(); // not sugesteed to use for now
     config.SetCpuMathLibraryNumThreads(this->cpu_math_library_num_threads_);
   }