diff --git a/include/xsync_v2_sig_type.hpp b/include/xsync_v2_sig_type.hpp
index 05dcec1..9b5fcb2 100644
--- a/include/xsync_v2_sig_type.hpp
+++ b/include/xsync_v2_sig_type.hpp
@@ -24,6 +24,7 @@ using namespace std;
 typedef struct {
   uint32_t tc0;
   uint32_t tc1;
+  uint32_t subframe;
 } Timecode64_t;
 
 typedef enum {
@@ -44,6 +45,7 @@ typedef struct {
   uint8_t minute;
   uint8_t second;
   uint8_t frame;
+  uint8_t subframe;
 } XsyncTimecode_t;
 
 string          XsyncTimecodeToStr(XsyncTimecode_t timecode);
@@ -182,5 +184,4 @@ typedef enum {
   DHCP_MODE      = 1,
 } NetworkMode_t;
 
-
 }  // namespace xsync
diff --git a/src/xsync_utils.cpp b/src/xsync_utils.cpp
index ca4ebdd..221cbd5 100644
--- a/src/xsync_utils.cpp
+++ b/src/xsync_utils.cpp
@@ -59,10 +59,11 @@ XsyncTimecode_t timecode64ToXsyncTimeCode(Timecode64_t tc64) {
   uint8_t hour10s     = (tc64.tc1 >> 24) & 0x03;
 
   XsyncTimecode_t timecode;
-  timecode.hour   = hour10s * 10 + houruints;
-  timecode.minute = minute10s * 10 + minuteuints;
-  timecode.second = second10s * 10 + seconduints;
-  timecode.frame  = frame10s * 10 + frameuints;
+  timecode.hour     = hour10s * 10 + houruints;
+  timecode.minute   = minute10s * 10 + minuteuints;
+  timecode.second   = second10s * 10 + seconduints;
+  timecode.frame    = frame10s * 10 + frameuints;
+  timecode.subframe = tc64.subframe;
   return timecode;
 }
 
@@ -79,8 +80,9 @@ Timecode64_t timecodeTo64(XsyncTimecode_t tc) {
   uint32_t houruints   = tc.hour % 10;
   uint32_t hour10s     = tc.hour / 10;
 
-  tc64.tc0 = frameuints + (frame10s << 8) + (seconduints << 16) + (second10s << 24);
-  tc64.tc1 = minuteuints + (minute10s << 8) + (houruints << 16) + (hour10s << 24);
+  tc64.tc0      = frameuints + (frame10s << 8) + (seconduints << 16) + (second10s << 24);
+  tc64.tc1      = minuteuints + (minute10s << 8) + (houruints << 16) + (hour10s << 24);
+  tc64.subframe = tc.subframe;
   return tc64;
 }
 
diff --git a/src/xsync_v2.cpp b/src/xsync_v2.cpp
index 3c68e8e..20d14b5 100644
--- a/src/xsync_v2.cpp
+++ b/src/xsync_v2.cpp
@@ -138,9 +138,11 @@ class Xsync : public IXsync {
 
       if (packet->eventid == ktimecode_report_event) {
         Timecode64_t tc64;
-        tc64.tc0                 = packet->data[0];
-        tc64.tc1                 = packet->data[1];
+        tc64.tc0      = packet->data[0];
+        tc64.tc1      = packet->data[1];
+        tc64.subframe = packet->data[2];
         XsyncTimecode_t timecode = timecode64ToXsyncTimeCode(tc64);
+        
         if (m_on_timecode_msg_cb) m_on_timecode_msg_cb(&timecode);
       } else if (packet->eventid == kxsync_work_state_report_event) {
         // 信号发生器状态改变
@@ -159,7 +161,9 @@ class Xsync : public IXsync {
     xsync_camera_sync_udp_listener = g_xsync_udp_factory->createXSUDP();
     ecode                          = xsync_camera_sync_udp_listener->initialize("0.0.0.0", IFLYTOP_XSYNC_CAMERA_SYNC_PACKET_PC_PORT);
     if (ecode != kxs_ec_success) goto err;
-    ecode = xsync_camera_sync_udp_listener->startReceive([this](XsyncNetAdd &from, uint8_t *data, size_t length) { parseCameraSyncMsgAndReport(from, data, length); });
+    ecode = xsync_camera_sync_udp_listener->startReceive([this](XsyncNetAdd &from, uint8_t *data, size_t length) {  //
+      parseCameraSyncMsgAndReport(from, data, length);
+    });
     if (ecode != kxs_ec_success) goto err;
 #endif