diff --git a/app/src/main/cpp/CMakeLists.txt b/app/src/main/cpp/CMakeLists.txt
index 17da6f17..72dfad43 100644
--- a/app/src/main/cpp/CMakeLists.txt
+++ b/app/src/main/cpp/CMakeLists.txt
@@ -48,7 +48,9 @@ project("microphoto")
 
 # message(FATAL_ERROR "OpenCV ${OpenCV_DIR}")
 
+
 find_package(OpenCV REQUIRED core imgproc highgui)
+# find_package(OpenCV REQUIRED core imgproc)
 if(OpenCV_FOUND)
     include_directories(${OpenCV_INCLUDE_DIRS})
     message(WARNING "OpenCV library status:")
@@ -294,16 +296,16 @@ add_library( # Sets the name of the library.
         MicroPhoto.cpp
         TerminalDevice.cpp
         PhoneDevice.cpp
-        // PhoneDevice2.cpp
-        // Camera.cpp
-        // Camera2Reader.cpp
-        // TextPaint.cpp
+        # PhoneDevice2.cpp
+        Camera.cpp
+        Camera2Reader.cpp
+        # TextPaint.cpp
         CvText.cpp
         SerialPort.cpp
 
         ncnn/yolov5ncnn.cpp
 
-        // camera2/OpenCVFont.cpp
+        # camera2/OpenCVFont.cpp
 
         ${CAMERA2_SOURCES}
 
@@ -363,6 +365,7 @@ find_library( # Sets the name of the path variable.
 # can link multiple libraries, such as libraries you define in this
 # build script, prebuilt third-party libraries, or system libraries.
 
+
 target_link_libraries( # Specifies the target library.
         microphoto
 
@@ -381,3 +384,4 @@ target_link_libraries( # Specifies the target library.
 
         )
 
+# set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS_RELEASE  "-strip-all")
diff --git a/app/src/main/cpp/PhoneDevice2.cpp b/app/src/main/cpp/PhoneDevice2.cpp
index 9408115a..4dd6341e 100644
--- a/app/src/main/cpp/PhoneDevice2.cpp
+++ b/app/src/main/cpp/PhoneDevice2.cpp
@@ -26,7 +26,7 @@
 // #include <opencv2/objdetect.hpp>
 // #include <opencv2/features2d.hpp>
 
-#include <opencv2/core/types.hpp>
+// #include <opencv2/core/types.hpp>
 #include <opencv2/core/core.hpp>
 #include <opencv2/imgproc/imgproc.hpp>
 
diff --git a/gradle.properties b/gradle.properties
index b4d7f13a..eb8cc61f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,6 +19,7 @@ android.useAndroidX=true
 android.enableJetifier=true
 
 opencvsdk=D:/Workspace/deps/opencv-mobile-4.9.0-android
+# opencvsdk=D:/Workspace/deps/opencv-mobile-3.4.20-android
 coreroot=D:/Workspace/Github/xymp/xymp/Core
 # opencvsdk=D:/Workspace/deps/opencv-v5
 asioroot=D:/Workspace/deps/asio-1.28.0