diff --git a/src/ai_platform/MultiSourceProcess.cpp b/src/ai_platform/MultiSourceProcess.cpp
index bc7c94c..b354cce 100755
--- a/src/ai_platform/MultiSourceProcess.cpp
+++ b/src/ai_platform/MultiSourceProcess.cpp
@@ -22,6 +22,8 @@
 
 #include "../util/vpc_util.h"
 
+#include "../decoder/gb28181/sip/SipServer.h"
+
 // #define VEHICLE_MULTI_BOXES
 
 #define WITH_FACE_DET_SS
@@ -84,19 +86,21 @@ CMultiSourceProcess::~CMultiSourceProcess(){
 }
 
 int CMultiSourceProcess::InitAlgorthim(tsl_aiplatform_param vptParam){
+
+  set_default_logger(LogLevel(vptParam.log_level), "multi_source_process", vptParam.log_path, vptParam.log_mem, vptParam.log_mem);
+  LOG_INFO("编译时间：{} {}", __DATE__, __TIME__);
+
 // #ifdef USE_VILLAGE
 //   if (!CheckTime()) { //时间限制
-//     std::cout << "sy_licence_check failed." << std::endl;
+//     LOG_ERROR("sy_licence_check failed.");
 //     return AUTHOR_ERROR;
 //   }
 // #else
 //   if (!CheckLabel(vptParam.gpuid)) { //机器授权
-//     std::cout << "sy_licence_check failed." << std::endl;
+//     LOG_ERROR("CheckLabel failed.");
 //     return AUTHOR_ERROR;
 //   }
 // #endif
-  set_default_logger(LogLevel(vptParam.log_level), "multi_source_process", vptParam.log_path, vptParam.log_mem, vptParam.log_mem);
-  LOG_INFO("编译时间：{} {}", __DATE__, __TIME__);
 
   SourceSingleton::getInstance();
 
@@ -223,6 +227,21 @@ int CMultiSourceProcess::InitAlgorthim(tsl_aiplatform_param vptParam){
   VPCUtil* pVpcUtil = VPCUtil::getInstance();
   pVpcUtil->init(m_devId);
 
+  // 初始化SIP服务器
+  ServerInfo info(
+            "SY_Sip_Server",
+            "12345678",
+            "192.168.60.179",
+            15060,
+            "34020000002000000002",
+            "3402000000",
+            "sy123456",
+            1800,
+            3600);
+
+  SipServer* pSipServer = SipServer::getInstance();
+  pSipServer->Init(info);
+
   m_pAlgorthimThread = new thread([](void* arg) {
       CMultiSourceProcess* process = (CMultiSourceProcess*)arg ;
           process->algorthim_process_thread();
@@ -329,15 +348,20 @@ bool CMultiSourceProcess::AddTask(task_param _cur_task_param){
     if (1 == _cur_task_param.dec_type){
       config.cfg.port = _cur_task_param.port;
       config.dec_type = DECODER_TYPE_GB28181;
-      config.cfg.uri = task_id;
       if(_cur_task_param.protocal == 0){
         // 指定用udp协议
         config.cfg.force_tcp = false;
       }
       config.cfg.request_stream_cbk = _cur_task_param.gb28181_request_stream_callback ;
-    }else if (2 == _cur_task_param.dec_type){
+    } else if (2 == _cur_task_param.dec_type){
       config.dec_type = DECODER_TYPE_DVPP;
-    }else {
+    } else if (3 == _cur_task_param.dec_type){
+      config.dec_type = DECODER_TYPE_DVPP_GB28181;
+      if(_cur_task_param.protocal == 0){
+        // 指定用udp协议
+        config.cfg.force_tcp = false;
+      }
+    } else {
         config.dec_type = DECODER_TYPE_FFMPEG;
     }
     
@@ -788,12 +812,8 @@ int CMultiSourceProcess::algorthim_process_thread(){
         
         while (!m_RgbDataList.empty()){
             DeviceMemory* gpuMem = m_RgbDataList.front();
-            // if(gpuMem->getMem() == nullptr) {
-            if(gpuMem->getMem() == nullptr || gpuMem->getFrameNb() % skip_frame_) { //跳帧
-              // 错误数据，直接删除
-              if(gpuMem->getMem() == nullptr) LOG_WARN("mem is null");
-              delete gpuMem;
-              gpuMem = nullptr;
+            if(gpuMem->getMem() == nullptr) {
+              LOG_WARN("mem is null");
             } else {
               vec_gpuMem.push_back(gpuMem);
             }
diff --git a/src/ai_platform/header.h b/src/ai_platform/header.h
index 1ee1d76..731d84a 100755
--- a/src/ai_platform/header.h
+++ b/src/ai_platform/header.h
@@ -493,7 +493,7 @@ typedef struct task_param {
     algor_config_param *algor_config_params;      //该路rtsp流配置的所有算法参数
     int algor_counts;                //该路rtsp流共配置几种算法
 
-    int dec_type{0};                   // 0: ffmpeg    1: gb28181  2:dvpp
+    int dec_type{0};                   // 0: ffmpeg    1: gb28181   2:dvpp   3: dvpp_gb28181
     int port;                       // gb28181时port为必填
     int protocal;                   // gb28181 数据接收协议  0 : udp    1: tcp
     GB28181_REQUEST_STREAM_CALLBACK gb28181_request_stream_callback;
diff --git a/src/decoder/dvpp/DvppDecoder.cpp b/src/decoder/dvpp/DvppDecoder.cpp
index 4f77a12..bc16f29 100644
--- a/src/decoder/dvpp/DvppDecoder.cpp
+++ b/src/decoder/dvpp/DvppDecoder.cpp
@@ -84,6 +84,7 @@ DvppDecoder::~DvppDecoder(){
 bool DvppDecoder::init(FFDecConfig cfg){
 
     m_dec_name = cfg.dec_name;
+    m_frameSkip = cfg.skip_frame;
 
     AVCodecContext* avctx = init_FFmpeg(cfg);
     if(avctx == nullptr){
@@ -855,8 +856,9 @@ bool DvppDecoder::sendVdecEos(aclvdecChannelDesc *vdecChannelDesc) {
     return true;
 }
 
-void DvppDecoder::display_thread(){
+void DvppDecoder::display_thread() {
     LOG_INFO("[{}]- display_thread start...", m_dec_name);
+    unsigned long index = 0;
     while(!m_bExitDisplayThd) {
         m_decoded_data_queue_mtx.lock();
         if(m_decoded_data_queue.size() <= 0) {
@@ -869,11 +871,18 @@ void DvppDecoder::display_thread(){
         m_decoded_data_queue.pop();
         m_decoded_data_queue_mtx.unlock();
 
-        if(post_decoded_cbk) {
-            post_decoded_cbk(m_postDecArg, mem);
-        } else {
-            delete mem;
-            mem = nullptr;
+        if (mem) {
+            if ((m_frameSkip == 1 || index % m_frameSkip == 0) && post_decoded_cbk){
+                post_decoded_cbk(m_postDecArg, mem);
+            } else {
+                delete mem;
+                mem = nullptr;
+            }
+        }
+
+        index++;
+        if(index >= 100000){
+            index = 0;
         }
     }
 
diff --git a/src/decoder/dvpp/DvppDecoder.h b/src/decoder/dvpp/DvppDecoder.h
index 53b5021..4a75329 100644
--- a/src/decoder/dvpp/DvppDecoder.h
+++ b/src/decoder/dvpp/DvppDecoder.h
@@ -136,6 +136,8 @@ private:
     uint64_t m_in_count {0};
     uint64_t m_out_count {0};
 
+    int m_frameSkip {1};
+
     std::atomic<int> m_DvppCacheCounter{0};
 
     VpcUtils m_vpcUtils;