diff --git a/Prj-Linux/CMakeLists.txt b/Prj-Linux/CMakeLists.txt
index 71d1296..a6a0d33 100644
--- a/Prj-Linux/CMakeLists.txt
+++ b/Prj-Linux/CMakeLists.txt
@@ -3,7 +3,14 @@ project(HyperLPR3-LinuxDemo)
 
 set(CMAKE_CXX_STANDARD 11)
 
+if (APPLE)
+    set(PLAT darwin)
+else()
+    set(PLAT linux)
+endif ()
+
 # use opencv
+set(OpenCV_DIR ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty_hyper_inspire_op/opencv-4.5.1/${PLAT}/lib/cmake/opencv4)
 find_package(OpenCV REQUIRED)
 include_directories(${OpenCV_INCLUDE_DIRS})
 
diff --git a/cpp/src/configuration.h b/cpp/src/configuration.h
index 799be21..55a8d89 100644
--- a/cpp/src/configuration.h
+++ b/cpp/src/configuration.h
@@ -16,7 +16,7 @@ const std::string DETECT_LOW_HEAD_FILENAME = "b320_header_h.mnn";
 const std::string DETECT_HIGH_BACKBONE_FILENAME = "b640x_backbone_h.mnn";
 const std::string DETECT_HIGH_HEAD_FILENAME = "b640x_head_h.mnn";
 const std::string CLS_MODEL_FILENAME = "litemodel_cls_96xh.mnn";
-const std::string REC_MODEL_FILENAME = "rpv3_mdict_160_r3.mnn";
+const std::string REC_MODEL_FILENAME = "rpv3_mdict_160h.mnn";
 
 const InputSize REC_INPUT_SIZE = {160, 48};
 const InputSize CLS_INPUT_SIZE = {96, 96};