diff --git a/src/ai_platform/MultiSourceProcess.cpp b/src/ai_platform/MultiSourceProcess.cpp
index fdc9281..43a58fc 100755
--- a/src/ai_platform/MultiSourceProcess.cpp
+++ b/src/ai_platform/MultiSourceProcess.cpp
@@ -1533,8 +1533,10 @@ void CMultiSourceProcess::algorithm_traffic_light_process(vector<string>& vpt_in
       algor_map->find(algorithm_type_t::NONMOTOR_RUNNING_REDLIGHTS) != algor_map->end()) {
       
       m_RoadSegTaskMtx.lock();
-      if (!m_RoadSegTaskMap[task_id].isseg) continue;
-      else {
+      if (!m_RoadSegTaskMap[task_id].isseg){
+        m_RoadSegTaskMtx.unlock();
+        continue;
+      } else {
         interest_traffic_region.push_back(m_RoadSegTaskMap[task_id].traffic_region);
         interest_labels.push_back(m_RoadSegTaskMap[task_id].labels);
       }   
@@ -1601,17 +1603,16 @@ void CMultiSourceProcess::algorithm_roadseg_correlation_process(vector<string>& 
         }   
         m_RoadSegTaskMtx.unlock();
 
-      
-      sy_img img;
-      img.w_ = mem->getWidth();     
-      img.h_ = mem->getHeight();
-      img.c_ = mem->getChannel();   
-      img.data_ = mem->getMem();
-      sy_interest_imgs.push_back(img);
-      
-      interest_task_id.emplace_back(task_id);
-      interest_imgs.emplace_back(vpt_interest_imgs[i]);
-      interest_vpt_result.emplace_back(vptResult[i]);
+        sy_img img;
+        img.w_ = mem->getWidth();     
+        img.h_ = mem->getHeight();
+        img.c_ = mem->getChannel();   
+        img.data_ = mem->getMem();
+        sy_interest_imgs.push_back(img);
+        
+        interest_task_id.emplace_back(task_id);
+        interest_imgs.emplace_back(vpt_interest_imgs[i]);
+        interest_vpt_result.emplace_back(vptResult[i]);
     }
   }
 
diff --git a/src/decoder/dvpp/DvppDecoder.cpp b/src/decoder/dvpp/DvppDecoder.cpp
index 82184ed..8cecbd0 100644
--- a/src/decoder/dvpp/DvppDecoder.cpp
+++ b/src/decoder/dvpp/DvppDecoder.cpp
@@ -804,6 +804,19 @@ void DvppDecoder::doVdppVdecCallBack(acldvppStreamDesc *input, acldvppPicDesc *o
             break;
         }
 
+        if (m_bReal) {
+            // 实时流缓存长度大于25时做丢帧处理
+            m_decoded_data_queue_mtx.lock();
+            if(m_decoded_data_queue.size() >= 25){
+                m_decoded_data_queue_mtx.unlock();
+                LOG_WARN("[{}]- m_decoded_data_queue >= 25 ", m_dec_name);
+                acldvppFree(outputDataDev);
+                outputDataDev = nullptr;
+                break;
+            }
+            m_decoded_data_queue_mtx.unlock();
+        }
+
         bool bCached = false;
         if(width > 0 && height > 0 && outputSize > 0){