diff --git a/src/Extension/Frame.h b/src/Extension/Frame.h
index 63546596..3609ff41 100644
--- a/src/Extension/Frame.h
+++ b/src/Extension/Frame.h
@@ -40,7 +40,7 @@ typedef enum {
     XX(CodecVP8,   TrackVideo, 7, "VP8", PSI_STREAM_VP8)            \
     XX(CodecVP9,   TrackVideo, 8, "VP9", PSI_STREAM_VP9)            \
     XX(CodecAV1,   TrackVideo, 9, "AV1", PSI_STREAM_AV1)            \
-    XX(CodecJPEG,  TrackVideo, 10, "JPEG", PSI_STREAM_JPEG_2000)
+    XX(CodecJPEG,  TrackVideo, 10, "JPEG", PSI_STREAM_RESERVED)
 
 typedef enum {
     CodecInvalid = -1,
diff --git a/src/Record/MPEG.cpp b/src/Record/MPEG.cpp
index 985cf98f..153fd796 100644
--- a/src/Record/MPEG.cpp
+++ b/src/Record/MPEG.cpp
@@ -30,19 +30,18 @@ MpegMuxer::~MpegMuxer() {
     releaseContext();
 }
 
-#define XX(name, type, value, str, mpeg_id)                                                            \
-    case name : {                                                                                      \
-        if (mpeg_id == PSI_STREAM_RESERVED) {                                                          \
-            break;                                                                                     \
-        }                                                                                              \
-        _codec_to_trackid[track->getCodecId()] = mpeg_muxer_add_stream((::mpeg_muxer_t *)_context, mpeg_id, nullptr, 0); \
-        return true;                                                                                   \
+#define XX(name, type, value, str, mpeg_id)                                                                                                                    \
+    case name: {                                                                                                                                               \
+        if (mpeg_id == PSI_STREAM_RESERVED) {                                                                                                                  \
+            break;                                                                                                                                             \
+        }                                                                                                                                                      \
+        if (track->getTrackType() == TrackVideo) {                                                                                                             \
+            _have_video = true;                                                                                                                                \
+        }                                                                                                                                                      \
+        _codec_to_trackid[track->getCodecId()] = mpeg_muxer_add_stream((::mpeg_muxer_t *)_context, mpeg_id, nullptr, 0);                                       \
+        return true;                                                                                                                                           \
     }
-
 bool MpegMuxer::addTrack(const Track::Ptr &track) {
-    if (track->getTrackType() == TrackVideo) {
-        _have_video = true;
-    }
     switch (track->getCodecId()) {
         CODEC_MAP(XX)
         default: break;
@@ -85,6 +84,11 @@ bool MpegMuxer::inputFrame(const Frame::Ptr &frame) {
                 //没有视频时，才以音频时间戳为TS的时间戳
                 _timestamp = frame->dts();
             }
+
+            if(frame->getTrackType() == TrackType::TrackVideo){
+                _key_pos = frame->keyFrame();
+                _timestamp = frame->dts();
+            }
             _max_cache_size = 512 + 1.2 * frame->size();
             mpeg_muxer_input((::mpeg_muxer_t *)_context, track_id, frame->keyFrame() ? 0x0001 : 0, frame->pts() * 90LL, frame->dts() * 90LL, frame->data(), frame->size());
             flushCache();