diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 8ab062c..093aa9e 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -67,6 +67,7 @@ jobs:
           ./tools/sed/sed.exe -i "s/QT_TOOLS_DIR=C:\/Qt\/Qt6.2.0\/Tools\/mingw810_32\/bin/QT_TOOLS_DIR=C:\/ProgramData\/Chocolatey\/lib\/mingw\/tools\/install\/mingw64\/bin/g" ./build_setup.bat
           ./tools/sed/sed.exe -i "s/OPENCV_DIR=D:\/Qt\/opencv4.2.0\/x64\/mingw\/bin/OPENCV_DIR=C:\/opencv4.0.0\/x64\/mingw\/bin/g" ./build_setup.bat
           ./tools/sed/sed.exe -i "s/libopencv_imgproc420/libopencv_imgproc400/g" ./build_setup.bat
+          ./tools/sed/sed.exe -i "s/libopencv_imgcodecs420/libopencv_imgcodecs400/g" ./build_setup.bat
           ./tools/sed/sed.exe -i "s/libopencv_core420/libopencv_core400/g" ./build_setup.bat
           ./tools/sed/sed.exe -i "s/OPENCV_DIR=D:\\Qt\\opencv4.2.0/OPENCV_DIR=C:\\opencv4.0.0/g" ./partform_win32.pri
           ./build_setup.bat
diff --git a/YUVviewer.pro b/YUVviewer.pro
index 500010f..6894642 100644
--- a/YUVviewer.pro
+++ b/YUVviewer.pro
@@ -93,6 +93,7 @@ unix:!macx:{
     DEPENDPATH +=$${OPENCV_DIR}/include
 
     LIBS += -L $${OPENCV_DIR}/lib/ -lopencv_imgproc
+    LIBS += -L $${OPENCV_DIR}/lib/ -lopencv_imgcodecs
     LIBS += -L $${OPENCV_DIR}/lib/ -lopencv_core
 
     git_tag.commands = $$quote("cd $$PWD && git describe --always --long --dirty --abbrev=10 --tags | awk \'{print \"\\\"\"\$$0\"\\\"\"}\' > git_tag.inc")
@@ -109,6 +110,7 @@ macx:{
     DEPENDPATH +=$${OPENCV_DIR}/include
 
     LIBS += -L $${OPENCV_DIR}/lib/ -lopencv_imgproc
+    LIBS += -L $${OPENCV_DIR}/lib/ -lopencv_imgcodecs
     LIBS += -L $${OPENCV_DIR}/lib/ -lopencv_core
 
     git_tag.commands = $$quote("cd $$PWD && git describe --always --long --dirty --abbrev=10 --tags | awk \'{print \"\\\"\"\$$0\"\\\"\"}\' > git_tag.inc")
diff --git a/build_dmg.sh b/build_dmg.sh
index 976d4a3..7f86a58 100755
--- a/build_dmg.sh
+++ b/build_dmg.sh
@@ -31,6 +31,7 @@ cd ./build_release/out
 # 打包
 macdeployqt YUVviewer.app
 cp $OPENCV_DIR/lib/libopencv_imgproc.4.0.dylib ./YUVviewer.app/Contents/Frameworks/libopencv_imgproc.4.0.dylib
+cp $OPENCV_DIR/lib/libopencv_imgcodecs.4.0.dylib ./YUVviewer.app/Contents/Frameworks/libopencv_imgcodecs.4.0.dylib
 cp $OPENCV_DIR/lib/libopencv_core.4.0.dylib ./YUVviewer.app/Contents/Frameworks/libopencv_core.4.0.dylib
 otool -L ./YUVviewer.app/Contents/MacOS/YUVviewer
 ./build-dmg.sh YUVviewer
diff --git a/build_setup.bat b/build_setup.bat
index db7a2c1..c8f715a 100644
--- a/build_setup.bat
+++ b/build_setup.bat
@@ -41,6 +41,7 @@ xcopy /y .\test\* .\InnoSetup\build\test\
 :: 使用windeployqt拷贝依赖dll库到打包目录
 windeployqt --dir .\InnoSetup\build .\InnoSetup\build\YUVviewer.exe
 xcopy /y "%OPENCV_DIR%\libopencv_imgproc420.dll" ".\InnoSetup\build\"
+xcopy /y "%OPENCV_DIR%\libopencv_imgcodecs420.dll" ".\InnoSetup\build\"
 xcopy /y "%OPENCV_DIR%\libopencv_core420.dll" ".\InnoSetup\build\"
 xcopy /y "%QT_TOOLS_DIR%\..\bin\lib*.dll" ".\InnoSetup\build\"
 xcopy /y "%QT_TOOLS_DIR%\..\lib\lib*.dll" ".\InnoSetup\build\"
diff --git a/src/UI_YUVviewer.ui b/src/UI_YUVviewer.ui
index 540d38b..f292b38 100644
--- a/src/UI_YUVviewer.ui
+++ b/src/UI_YUVviewer.ui
@@ -229,6 +229,11 @@
                <string>BayerGR_RAW16</string>
               </property>
              </item>
+             <item>
+              <property name="text">
+               <string>PNG</string>
+              </property>
+             </item>
             </widget>
            </item>
            <item>
diff --git a/src/YUVdecoder.cpp b/src/YUVdecoder.cpp
index 40b6948..1f71594 100644
--- a/src/YUVdecoder.cpp
+++ b/src/YUVdecoder.cpp
@@ -11,6 +11,7 @@
 #include <QtEndian>
 #include <opencv2/opencv.hpp>
 #include <opencv2/core/core.hpp>
+#include <opencv2/imgcodecs.hpp>
 #include <opencv2/imgproc/imgproc.hpp>
 #include <opencv2/imgproc/types_c.h>
 #include "YUVdecoder.h"
@@ -48,6 +49,7 @@ QMap<QString, ImageDecoder::yuvdecoder_t> ImageDecoder::yuvdecoder_map = {
     {"BayerGB_RAW16",   BAYER_FUNC(cv::COLOR_BayerGB2RGB,16)},
     {"BayerRG_RAW16",   BAYER_FUNC(cv::COLOR_BayerRG2RGB,16)},
     {"BayerGR_RAW16",   BAYER_FUNC(cv::COLOR_BayerGR2RGB,16)},
+    {"PNG",             ImageDecoder::png},
 };
 
 QList<cv::Mat*> ImageDecoder::yv12(const QString &yuvfilename,int W, int H, int startframe, int totalframe) {
@@ -430,3 +432,17 @@ QList<cv::Mat*> ImageDecoder::bayer(const QString &yuvfilename,int W, int H, int
 
     return rgbImglist;
 }
+
+QList<cv::Mat*> ImageDecoder::png(const QString &yuvfilename,int W, int H, int startframe, int totalframe) {
+    QList<cv::Mat*> rgbImglist;
+
+    cv::Mat *rgbImg = new cv::Mat;
+    *rgbImg = cv::imread(yuvfilename.toStdString());
+    rgbImglist.insert(rgbImglist.constEnd(), rgbImg);
+
+    Q_UNUSED(W);
+    Q_UNUSED(H);
+    Q_UNUSED(startframe);
+    Q_UNUSED(totalframe);
+    return rgbImglist;
+}
diff --git a/src/YUVdecoder.h b/src/YUVdecoder.h
index 9803d56..4ca818b 100644
--- a/src/YUVdecoder.h
+++ b/src/YUVdecoder.h
@@ -29,6 +29,7 @@ class ImageDecoder {
     static QList<cv::Mat*> bgr565_big_endian(const QString &yuvfilename,int W, int H, int startframe, int totalframe);
     static QList<cv::Mat*> rgb888(const QString &yuvfilename,int W, int H, int startframe, int totalframe);
     static QList<cv::Mat*> bayer(const QString &yuvfilename,int W, int H, int startframe, int totalframe,int code,int bit);
+    static QList<cv::Mat*> png(const QString &yuvfilename,int W, int H, int startframe, int totalframe);
     static QMap<QString, yuvdecoder_t> yuvdecoder_map;
 };
 
diff --git a/src/YUVviewer.cpp b/src/YUVviewer.cpp
index 899e2b6..3fef00e 100644
--- a/src/YUVviewer.cpp
+++ b/src/YUVviewer.cpp
@@ -133,6 +133,7 @@ const QList<QPair<QString, QList<YUVviewer::UICodePoint>>> YUVviewer::YUVFormat_
                          UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B}},
     {"BayerGR_RAW16",   {UI_G,UI_G,UI_R,UI_R,UI_G,UI_G,UI_R,UI_R,UI_G,UI_G,UI_R,UI_R,UI_G,UI_G,UI_R,UI_R,UI_G,UI_G,UI_R,UI_R,UI_G,UI_G,UI_R,UI_R,
                          UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G,UI_B,UI_B,UI_G,UI_G}},
+    {"PNG",             {UI_A}},
 };
 
 YUVviewer::YUVviewer(QWidget *parent) :
@@ -583,7 +584,7 @@ void YUVviewer::openFile() {
         if(lastPath.isDir()) {
             openDir = YUVviewerConfigFile->config_dict.lastPath;
         }
-        QStringList openfile_list = QFileDialog::getOpenFileNames(this, "选择文件", openDir, "YUV files(*.yuv *.data *.raw)");
+        QStringList openfile_list = QFileDialog::getOpenFileNames(this, "选择文件", openDir, "files(*.yuv *.data *.raw *.png)");
         if(openfile_list.size() != 0) {
             QFileInfo file(openfile_list[0]);
             YUVviewerConfigFile->config_dict.lastPath = file.absolutePath();
@@ -603,7 +604,7 @@ void YUVviewer::openFolder() {
         if (!openfolder_name.isEmpty()) {
             YUVviewerConfigFile->config_dict.lastPath = openfolder_name;
             QDir dir(openfolder_name);
-            QStringList nameFilters = {"*.yuv","*.data","*.raw"};
+            QStringList nameFilters = {"*.yuv","*.data","*.raw","*.png"};
             QStringList openfilename_list = dir.entryList(nameFilters, QDir::Files|QDir::Readable, QDir::Name);
             QStringList openfile_list;
             foreach (QString file_name, openfilename_list) {
diff --git a/test/640x480.png b/test/640x480.png
new file mode 100644
index 0000000..f10f048
Binary files /dev/null and b/test/640x480.png differ