diff --git a/libcam/libcam/camview.c b/libcam/libcam/camview.c
index 993cee87..45687bdd 100644
--- a/libcam/libcam/camview.c
+++ b/libcam/libcam/camview.c
@@ -104,6 +104,8 @@ static int my_encoder_status = 0;
 
 static int is_wayland = 0; //是否是wayland的窗口管理器
 
+static int is_pgux = 0; //是否是pugx
+
 static uint8_t soundTakePhoto = 1;//拍照声音提示
 
 static char status_message[80];
@@ -794,7 +796,8 @@ static void *encoder_loop(__attribute__((unused))void *data)
         v4l2core_get_fps_num(my_vd),
         v4l2core_get_fps_denom(my_vd),
         channels,
-        samprate);
+        samprate,
+        get_pugx_status());
 
     /*store external SPS and PPS data if needed*/
     if(encoder_ctx->video_codec_ind == 0 && /*raw - direct input*/
@@ -1355,3 +1358,13 @@ int get_sound_of_takeing_photo()
 {
     return soundTakePhoto;
 }
+
+void set_pugx_status(int status)
+{
+    is_pgux = status;
+}
+
+int get_pugx_status()
+{
+    return is_pgux;
+}
diff --git a/libcam/libcam/camview.h b/libcam/libcam/camview.h
index 191a6b56..5efd5b6a 100644
--- a/libcam/libcam/camview.h
+++ b/libcam/libcam/camview.h
@@ -431,6 +431,9 @@ void set_takeing_photo_sound(uint8_t status);
 
 int get_sound_of_takeing_photo(void);
 
+void set_pugx_status(int status);
+
+int get_pugx_status();
 
 #ifdef __cplusplus
 }
diff --git a/libcam/libcam_encoder/encoder.c b/libcam/libcam_encoder/encoder.c
index 6eedd66b..e6ff475e 100644
--- a/libcam/libcam_encoder/encoder.c
+++ b/libcam/libcam_encoder/encoder.c
@@ -428,7 +428,7 @@ static void encoder_set_raw_video_input(
  *
  * returns: pointer to encoder video context (NULL on none)
  */
-static encoder_video_context_t *encoder_video_init(encoder_context_t *encoder_ctx)
+static encoder_video_context_t *encoder_video_init(encoder_context_t *encoder_ctx, int pgux)
 {
     //assertions
     assert(encoder_ctx != NULL);
@@ -581,7 +581,11 @@ static encoder_video_context_t *encoder_video_init(encoder_context_t *encoder_ct
 
 
     if (video_defaults->gop_size > 0) {
-        video_codec_data->codec_context->gop_size = video_defaults->gop_size;
+        if (pgux == 1) {
+            video_codec_data->codec_context->gop_size = 3;
+        } else {
+            video_codec_data->codec_context->gop_size = video_defaults->gop_size;
+        }
     } else {
         video_codec_data->codec_context->gop_size = video_codec_data->codec_context->time_base.den;
     }
@@ -1134,7 +1138,8 @@ encoder_context_t *encoder_init(
     int fps_num,
     int fps_den,
     int audio_channels,
-    int audio_samprate)
+    int audio_samprate,
+    int use_pugx_code)
 {
     encoder_context_t *encoder_ctx = calloc(1, sizeof(encoder_context_t));
 
@@ -1162,7 +1167,7 @@ encoder_context_t *encoder_init(
     /******************* video **********************/
     encoder_video_init_vaapi(encoder_ctx);
     if (HW_VAAPI_OK != is_vaapi) {
-        encoder_video_init(encoder_ctx);
+        encoder_video_init(encoder_ctx, use_pugx_code);
         //hw_vaapi ng
     }
 
diff --git a/libcam/libcam_encoder/gviewencoder.h b/libcam/libcam_encoder/gviewencoder.h
index 47038c68..714b33b3 100644
--- a/libcam/libcam_encoder/gviewencoder.h
+++ b/libcam/libcam_encoder/gviewencoder.h
@@ -331,7 +331,8 @@ encoder_context_t *encoder_init(
     int fps_num,
     int fps_den,
     int audio_channels,
-    int audio_samprate);
+    int audio_samprate,
+    int use_pugx_code);
 
 /*
  * initialization of the file muxer
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a3311075..e3b66cde 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -216,3 +216,13 @@ set(APPSHAREDIR  ${CMAKE_INSTALL_DATADIR}/${TARGET_NAME})
 install(DIRECTORY ${PROJECT_SOURCE_DIR}/translations
     DESTINATION ${APPSHAREDIR}
     FILES_MATCHING PATTERN "*.qm")
+
+#hw机型增加DConfig配置
+set(APPID org.deepin.camera)
+set(configFile ${PROJECT_SOURCE_DIR}/assets/org.deepin.camera.encode.json)
+if (DEFINED DSG_DATA_DIR)
+    message("-- DConfig is supported by DTK")
+    dconfig_meta_files(APPID ${APPID} FILES ${configFile})
+else()
+    install(FILES ${configFile} DESTINATION ${CMAKE_INSTALL_DATADIR}/dsg/configs/org.deepin.camera/)
+endif()
diff --git a/src/assets/org.deepin.camera.encode.json b/src/assets/org.deepin.camera.encode.json
new file mode 100644
index 00000000..d506051e
--- /dev/null
+++ b/src/assets/org.deepin.camera.encode.json
@@ -0,0 +1,16 @@
+{
+  "magic": "dsg.config.meta",
+  "version": "1.0",
+  "contents": {
+      "mp4EncodeMode": {
+          "value": 0,
+          "serial": 0,
+          "flags": ["global"],
+          "name": "pugx mp4 code mode",
+          "name[zh_CN]": "特殊编码模式",
+          "description": "pugx mp4 code mode",
+          "permissions": "readwrite",
+          "visibility": "private"
+      }
+  }
+}
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 3f0941e4..5fc4984f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,8 +3,7 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-extern "C"
-{
+extern "C" {
 #include "camview.h"
 }
 #include "mainwindow.h"
@@ -13,8 +12,11 @@ extern "C"
 #include "acobjectlist.h"
 #include "dbus_adpator.h"
 
-extern "C"
-{
+#ifdef DTKCORE_CLASS_DConfigFile
+#include <DConfig>
+#endif
+
+extern "C" {
 #include <libimagevisualresult/visualresult.h>
 }
 
@@ -38,7 +40,6 @@ extern "C"
 
 DWIDGET_USE_NAMESPACE
 
-
 //判断是否采用wayland显示服务器
 static bool CheckWayland()
 {
@@ -55,11 +56,11 @@ static bool CheckWayland()
 static bool CheckFFmpegEnv()
 {
     QDir dir;
-    QString path  = QLibraryInfo::location(QLibraryInfo::LibrariesPath);
+    QString path = QLibraryInfo::location(QLibraryInfo::LibrariesPath);
     dir.setPath(path);
     QStringList list = dir.entryList(QStringList() << (QString("libavcodec") + "*"), QDir::NoDotAndDotDot | QDir::Files);
     QString libName = nullptr;
-    QRegExp re("libavcodec.so.*"); //Sometimes libavcodec.so may not exist, so find it through regular expression.
+    QRegExp re("libavcodec.so.*");   //Sometimes libavcodec.so may not exist, so find it through regular expression.
     for (int i = 0; i < list.count(); i++) {
         if (re.exactMatch(list[i])) {
             libName = list[i];
@@ -68,9 +69,9 @@ static bool CheckFFmpegEnv()
     }
 
     if (libName != nullptr) {
-        QLibrary libavcodec;  //检查编码器是否存在
+        QLibrary libavcodec;   //检查编码器是否存在
         libavcodec.setFileName(libName);
-        qDebug() << "Whether the libavcodec is loaded successfully: "<< libavcodec.load();
+        qDebug() << "Whether the libavcodec is loaded successfully: " << libavcodec.load();
         typedef AVCodec *(*p_avcodec_find_encoder)(enum AVCodecID id);
         p_avcodec_find_encoder m_avcodec_find_encoder = nullptr;
         m_avcodec_find_encoder = reinterpret_cast<p_avcodec_find_encoder>(libavcodec.resolve("avcodec_find_encoder"));
@@ -113,14 +114,50 @@ int main(int argc, char *argv[])
         setenv("XDG_CURRENT_DESKTOP", "Deepin", 1);
     }
 
-   if (bWayland) {
+    if (bWayland) {
         //默认走xdgv6,该库没有维护了，因此需要添加该代码
         qputenv("QT_WAYLAND_SHELL_INTEGRATION", "kwayland-shell");
         QSurfaceFormat format;
         format.setRenderableType(QSurfaceFormat::OpenGLES);
         format.setDefaultFormat(format);
         set_wayland_status(1);
-   }
+
+        int mp4Encode = -1;
+#ifdef DTKCORE_CLASS_DConfigFile
+        //需要查询是否对PGUX设置MP4编码缓存特殊处理
+        DConfig *dconfig = DConfig::create("org.deepin.camera", "org.deepin.camera.encode");
+        if (dconfig && dconfig->isValid() && dconfig->keyList().contains("mp4EncodeMode")) {
+            mp4Encode = dconfig->value("mp4EncodeMode").toInt();
+            set_pugx_status(mp4Encode);
+        }
+#endif
+        qInfo() << "mp4EncodeMode value is:" << get_pugx_status();
+        if (mp4Encode == -1) {
+            //判断是否是pgux
+            QStringList options;
+            options << QString(QStringLiteral("-c"));
+            options << QString(QStringLiteral("dmidecode -s system-product-name|awk '{print $NF}'"));
+            QProcess process;
+            process.start(QString(QStringLiteral("bash")), options);
+            process.waitForFinished();
+            process.waitForReadyRead();
+            QByteArray tempArray = process.readAllStandardOutput();
+            char *charTemp = tempArray.data();
+            QString str_output = QString(QLatin1String(charTemp));
+            process.close();
+
+            if (str_output.contains("PGUX", Qt::CaseInsensitive)) {
+                mp4Encode = 1;
+                qDebug() << "this is PGUX";
+            } else {
+                mp4Encode = 0;
+            }
+            qInfo() << "process find mp4EncodeMode value is:" << get_pugx_status();
+        }
+
+        set_pugx_status(mp4Encode);
+        qInfo() << "last mp4EncodeMode value is:" << get_pugx_status();
+    }
 
     QTime time;
     time.start();
@@ -129,7 +166,7 @@ int main(int argc, char *argv[])
     qDebug() << QString("initFilters cost %1 ms").arg(time.elapsed());
 
     CApplication a(argc, argv);
-//    gst_init(&argc, &argv);
+    //gst_init(&argc, &argv);
 
     qApp->setObjectName("deepin-camera");
 #ifndef __mips__