diff --git a/src/dvpp/DvppDec.cpp b/src/dvpp/DvppDec.cpp
index 763ff93..a76a348 100644
--- a/src/dvpp/DvppDec.cpp
+++ b/src/dvpp/DvppDec.cpp
@@ -273,6 +273,7 @@ void DvppDec::decode_thread(){
     // dvpp解码参数
 	CHECK_AND_RETURN_NOVALUE(aclrtSetCurrentContext(m_context), "aclrtSetCurrentContext failed");
 
+    m_bExitReportThd = false;
 	pthread_t report_thread;
 	ret = pthread_create(&report_thread, nullptr, ReportThd, (void *)this);
 	if(ret != 0){
@@ -286,50 +287,53 @@ void DvppDec::decode_thread(){
 		cout << "aclvdecCreateChannelDesc failed"; 
 		return;
 	}
-    // 创建 channel dec结构体
-    // 通道ID在dvpp层面为0~31
-    CHECK_AND_RETURN_NOVALUE(aclvdecSetChannelDescChannelId(vdecChannelDesc, m_dvpp_channel), "aclvdecSetChannelDescChannelId failed");
-    CHECK_AND_RETURN_NOVALUE(aclvdecSetChannelDescThreadId(vdecChannelDesc, report_thread), "aclvdecSetChannelDescThreadId failed");
-    CHECK_AND_RETURN_NOVALUE(aclvdecSetChannelDescCallback(vdecChannelDesc, VdecCallback), "aclvdecSetChannelDescCallback failed");
-    CHECK_AND_RETURN_NOVALUE(aclvdecSetChannelDescEnType(vdecChannelDesc, enType), "aclvdecSetChannelDescEnType failed");
-    CHECK_AND_RETURN_NOVALUE(aclvdecSetChannelDescOutPicFormat(vdecChannelDesc, PIXEL_FORMAT_YUV_SEMIPLANAR_420), "aclvdecSetChannelDescOutPicFormat failed");
-    CHECK_AND_RETURN_NOVALUE(aclvdecCreateChannel(vdecChannelDesc), "aclvdecCreateChannel failed");
-
-    uint64_t frame_count = 0;
-    bool bBreak = false;
-	while (m_bRunning)
-	{
-        int ret = sentFrame(vdecChannelDesc, frame_count);
-        if(ret == 2){
-            break;
-            bBreak = true;
-        }else if(ret == 1){
-            continue;
-        }
-
-        frame_count++;
-	}
-
-    // 尽量保证数据全部解码完成
-    int sum = 0;
-    if(!bBreak){
-        while(!m_pktQueueptr->isEmpty()){
+    do{
+        // 创建 channel dec结构体
+        // 通道ID在dvpp层面为0~31
+        CHECK_AND_BREAK(aclvdecSetChannelDescChannelId(vdecChannelDesc, m_dvpp_channel), "aclvdecSetChannelDescChannelId failed");
+        CHECK_AND_BREAK(aclvdecSetChannelDescThreadId(vdecChannelDesc, report_thread), "aclvdecSetChannelDescThreadId failed");
+        CHECK_AND_BREAK(aclvdecSetChannelDescCallback(vdecChannelDesc, VdecCallback), "aclvdecSetChannelDescCallback failed");
+        CHECK_AND_BREAK(aclvdecSetChannelDescEnType(vdecChannelDesc, enType), "aclvdecSetChannelDescEnType failed");
+        CHECK_AND_BREAK(aclvdecSetChannelDescOutPicFormat(vdecChannelDesc, PIXEL_FORMAT_YUV_SEMIPLANAR_420), "aclvdecSetChannelDescOutPicFormat failed");
+        CHECK_AND_BREAK(aclvdecCreateChannel(vdecChannelDesc), "aclvdecCreateChannel failed");
+
+        uint64_t frame_count = 0;
+        bool bBreak = false;
+        while (m_bRunning)
+        {
             int ret = sentFrame(vdecChannelDesc, frame_count);
             if(ret == 2){
                 break;
+                bBreak = true;
+            }else if(ret == 1){
+                continue;
             }
-            std::this_thread::sleep_for(std::chrono::milliseconds(3));
-            sum++;
-            if(sum > 40){
-                // 避免卡死
-                break;
+
+            frame_count++;
+        }
+
+        // 尽量保证数据全部解码完成
+        int sum = 0;
+        if(!bBreak){
+            while(!m_pktQueueptr->isEmpty()){
+                int ret = sentFrame(vdecChannelDesc, frame_count);
+                if(ret == 2){
+                    break;
+                }
+                std::this_thread::sleep_for(std::chrono::milliseconds(3));
+                sum++;
+                if(sum > 40){
+                    // 避免卡死
+                    break;
+                }
             }
         }
-    }
-    
-	sendVdecEos(vdecChannelDesc);
+        
+        sendVdecEos(vdecChannelDesc);
 
-	CHECK_NOT_RETURN(aclvdecDestroyChannel(vdecChannelDesc), "aclvdecDestroyChannel failed");
+        CHECK_NOT_RETURN(aclvdecDestroyChannel(vdecChannelDesc), "aclvdecDestroyChannel failed");
+    }while(0);
+    
     CHECK_NOT_RETURN(aclvdecDestroyChannelDesc(vdecChannelDesc), "aclvdecDestroyChannelDesc failed");
 
 	// report_thread 需后于destroy退出