diff --git a/deploy/cpp_infer/include/ocr_cls.h b/deploy/cpp_infer/include/ocr_cls.h
index 35aec95912943fba4031eccf8b016865a4ea8b56..41494085a797c7a4490942741e6e888033c0be00 100644
--- a/deploy/cpp_infer/include/ocr_cls.h
+++ b/deploy/cpp_infer/include/ocr_cls.h
@@ -40,7 +40,7 @@ public:
                       const int &gpu_id, const int &gpu_mem,
                       const int &cpu_math_library_num_threads,
                       const bool &use_mkldnn, const double &cls_thresh,
-                      const bool &use_tensorrt, const &bool use_fp16) {
+                      const bool &use_tensorrt, const bool &use_fp16) {
     this->use_gpu_ = use_gpu;
     this->gpu_id_ = gpu_id;
     this->gpu_mem_ = gpu_mem;
diff --git a/deploy/cpp_infer/include/ocr_det.h b/deploy/cpp_infer/include/ocr_det.h
index 9a1de2795bc372d07dba49f5924b2a112fb5ac3e..bab9c95fa4a3f1cb160ccbf9ca4587fa4c2ba16a 100644
--- a/deploy/cpp_infer/include/ocr_det.h
+++ b/deploy/cpp_infer/include/ocr_det.h
@@ -44,9 +44,8 @@ public:
                       const bool &use_mkldnn, const int &max_side_len,
                       const double &det_db_thresh,
                       const double &det_db_box_thresh,
-                      const double &det_db_unclip_ratio,
-                      const bool &visualize const bool &use_tensorrt,
-                      const bool &use_fp16) {
+                      const double &det_db_unclip_ratio, const bool &visualize,
+                      const bool &use_tensorrt, const bool &use_fp16) {
     this->use_gpu_ = use_gpu;
     this->gpu_id_ = gpu_id;
     this->gpu_mem_ = gpu_mem;
diff --git a/deploy/cpp_infer/src/main.cpp b/deploy/cpp_infer/src/main.cpp
index ecf0c27bb258d2b856fe7749a15bcb9de0e05dae..f40e5edfcc2c19e0a61894bed11aef636317e056 100644
--- a/deploy/cpp_infer/src/main.cpp
+++ b/deploy/cpp_infer/src/main.cpp
@@ -77,11 +77,11 @@ int main(int argc, char **argv) {
   auto end = std::chrono::system_clock::now();
   auto duration =
       std::chrono::duration_cast<std::chrono::microseconds>(end - start);
-  std::cout << "花费了"
+  std::cout << "Cost"
             << double(duration.count()) *
                    std::chrono::microseconds::period::num /
                    std::chrono::microseconds::period::den
-            << "秒" << std::endl;
+            << "s" << std::endl;
 
   return 0;
 }
diff --git a/deploy/cpp_infer/src/ocr_cls.cpp b/deploy/cpp_infer/src/ocr_cls.cpp
index faa75ff49c83f56d4321cc97a2a908104617339b..3aeda2ed0c286d1ec5e816e15ac5500f53c9a3a2 100644
--- a/deploy/cpp_infer/src/ocr_cls.cpp
+++ b/deploy/cpp_infer/src/ocr_cls.cpp
@@ -88,7 +88,7 @@ void Classifier::LoadModel(const std::string &model_dir) {
     if (this->use_mkldnn_) {
       config.EnableMKLDNN();
     }
-    config.SetCpuMathLibraryNumThreads(this->cpu_math_library_num_threads_)
+    config.SetCpuMathLibraryNumThreads(this->cpu_math_library_num_threads_);
   }
 
   // false for zero copy tensor
diff --git a/deploy/cpp_infer/src/ocr_rec.cpp b/deploy/cpp_infer/src/ocr_rec.cpp
index 0199d7510bfe19e731abcd467d49abb99225a0a0..27cfe4c95009c6454514a43e304a23503fe5fa9a 100644
--- a/deploy/cpp_infer/src/ocr_rec.cpp
+++ b/deploy/cpp_infer/src/ocr_rec.cpp
@@ -76,7 +76,7 @@ void CRNNRecognizer::Run(std::vector<std::vector<std::vector<int>>> boxes,
           float(*std::max_element(&predict_batch[n * predict_shape[2]],
                                   &predict_batch[(n + 1) * predict_shape[2]]));
 
-      if (argmax_idx > 0 && (not(i > 0 && argmax_idx == last_index))) {
+      if (argmax_idx > 0 && (!(i > 0 && argmax_idx == last_index))) {
         score += max_value;
         count += 1;
         str_res.push_back(label_list_[argmax_idx]);
@@ -183,4 +183,4 @@ cv::Mat CRNNRecognizer::GetRotateCropImage(const cv::Mat &srcimage,
   }
 }
 
-} // namespace PaddleOCR
\ No newline at end of file
+} // namespace PaddleOCR