diff --git a/src/ai_platform/MultiSourceProcess.cpp b/src/ai_platform/MultiSourceProcess.cpp
index 23cfb74..f853582 100755
--- a/src/ai_platform/MultiSourceProcess.cpp
+++ b/src/ai_platform/MultiSourceProcess.cpp
@@ -433,6 +433,8 @@ void CMultiSourceProcess::decoded_cbk(DeviceMemory* devFrame){
 
   do{
     if(m_bfinish){
+      delete devFrame;
+      devFrame = nullptr;
       break;
     }
     m_DataListMtx.lock();