diff --git a/xsync.cpp b/xsync.cpp
index dc02415..3ea704e 100644
--- a/xsync.cpp
+++ b/xsync.cpp
@@ -487,6 +487,7 @@ xsync_net_state_t Xsync::getNetState() { return m_net_state; }
 
 void Xsync::Basic_registerOnTimecodeMsgCallback(xsync_on_timecode_msg_t on_timecode_msg_cb) { m_on_timecode_msg_cb = on_timecode_msg_cb; }
 void Xsync::Basic_registerOnCameraSyncMsgCallback(xsync_on_camera_sync_msg_t on_camera_sync_msg_cb) { m_on_camera_sync_msg_cb = on_camera_sync_msg_cb; }
+void Xsync::Basic_registerOnWorkstateChangeMsgCallback(xsync_on_workstate_change_msg_t on_workstate_change_msg_cb) { m_on_workstate_change_msg_cb = on_workstate_change_msg_cb; }
 
 xs_error_code_t Xsync::xsync_send_cmd_block(iflytop_xsync_packet_header_t *cmd, iflytop_xsync_packet_header_t *rx_data, int32_t buffersize, int32_t overtime_ms) {
   lock_guard<recursive_mutex> lock(lock_);
@@ -619,14 +620,17 @@ xs_error_code_t Xsync::reg_read_muti(uint32_t regadd, uint32_t nreg, vector<uint
 }
 
 void Xsync::parseTimecodeMsgAndReport(XsyncNetAdd &from, uint8_t *data, size_t length) {
-  //
-  iflytop_timecode_report_packet_t *packet = (iflytop_timecode_report_packet_t *)data;
-  Timecode64_t                      tc64;
-  tc64.tc0 = packet->timecode0;
-  tc64.tc1 = packet->timecode1;
-
-  XsyncTimecode_t timecode = timecode64ToXsyncTimeCode(tc64);
-  if (m_on_timecode_msg_cb) m_on_timecode_msg_cb(&timecode);
+  iflytop_xsync_event_report_packet_t *packet = (iflytop_xsync_event_report_packet_t *)data;
+  if (packet->eventid == ktimecode_report_event) {
+    Timecode64_t tc64;
+    tc64.tc0                 = packet->data[0];
+    tc64.tc1                 = packet->data[1];
+    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
+    if (m_on_workstate_change_msg_cb) m_on_workstate_change_msg_cb(packet->data[0]);
+  }
 }
 void Xsync::parseCameraSyncMsgAndReport(XsyncNetAdd &from, uint8_t *data, size_t length) {
   uint32_t count = 0;
@@ -704,14 +708,16 @@ xs_error_code_t Xsync::Basic_getGenlockFormat(GenlockFormat_t &format) {
   return kxs_ec_success;
 }
 xs_error_code_t Xsync::Basic_setTimecodeFormat(TimecodeFormat_t format) {
-  DO_XSYNC(SigGenerator_setTimecodeFormat(format));
-  DO_XSYNC(TimecodeInputModule_setTimecodeFormat(format));
-  return kxs_ec_success;
-}
-xs_error_code_t Xsync::Basic_getTimecodeFormat(TimecodeFormat_t &format) {
-  DO_XSYNC(SigGenerator_getTimecodeFormat(format));
+  uint32_t readbak = 0;
+  DO_XSYNC(reg_write(reg::kSigGenerator_timecode_format, format, readbak, 10));
+  DO_XSYNC(reg_write(reg::ktimecode_in_timecode_format, format, readbak, 10));
+  // DO_XSYNC(reg_write(reg::ktimecode_out_timecode_format, format, readbak, 10)); //readonly
   return kxs_ec_success;
 }
+// xs_error_code_t Xsync::Basic_getTimecodeFormat(TimecodeFormat_t &format) {
+//   DO_XSYNC(SigGenerator_getTimecodeFormat(format));
+//   return kxs_ec_success;
+// }
 /*******************************************************************************
  *                               TTLOutputModule                               *
  *******************************************************************************/
@@ -990,10 +996,7 @@ xs_error_code_t Xsync::SigGenerator_getGenlockFormat(GenlockFormat_t &format) {
   format = (GenlockFormat_t)readbak;
   return ecode;
 }
-xs_error_code_t Xsync::SigGenerator_setTimecodeFormat(TimecodeFormat_t format) {
-  uint32_t readbak = 0;
-  return reg_write(reg::kSigGenerator_timecode_format, format, readbak, 10);
-}
+xs_error_code_t Xsync::SigGenerator_setTimecodeFormat(TimecodeFormat_t format) { return Basic_setTimecodeFormat(format); }
 xs_error_code_t Xsync::SigGenerator_getTimecodeFormat(TimecodeFormat_t &format) {
   uint32_t readbak = 0;
   auto     ecode   = reg_read(reg::kSigGenerator_timecode_format, readbak, 10);
@@ -1102,24 +1105,20 @@ xs_error_code_t Xsync::TimecodeInputModule_setSrcSelect(timecode_input_module::T
   DO_XSYNC(reg_write(reg::ktimecode_in_timecode_sig_selt, timecode_select, readbak, 10));
   return kxs_ec_success;
 }
-xs_error_code_t Xsync::TimecodeInputModule_getSrcSelect(timecode_input_module::TriggerSigType_t timecode_select) {
+xs_error_code_t Xsync::TimecodeInputModule_getSrcSelect(timecode_input_module::TriggerSigType_t &timecode_select) {
   uint32_t readbak = 0;
   DO_XSYNC(reg_read(reg::ktimecode_in_timecode_sig_selt, readbak, 10));
   timecode_select = (timecode_input_module::TriggerSigType_t)readbak;
   return kxs_ec_success;
 }
-xs_error_code_t Xsync::TimecodeInputModule_setTimecodeFormat(TimecodeFormat_t format) {
-  uint32_t readbak = 0;
-  DO_XSYNC(reg_write(reg::ktimecode_in_timecode_format, format, readbak, 10));
-  return kxs_ec_success;
-}
+xs_error_code_t Xsync::TimecodeInputModule_setTimecodeFormat(TimecodeFormat_t format) { return Basic_setTimecodeFormat(format); }
 xs_error_code_t Xsync::TimecodeInputModule_getTimecodeFormat(TimecodeFormat_t &format) {
   uint32_t readbak = 0;
   DO_XSYNC(reg_read(reg::ktimecode_in_timecode_format, readbak, 10));
   format = (TimecodeFormat_t)readbak;
   return kxs_ec_success;
 }
-xs_error_code_t Xsync::TimecodeInputModule_getTimecode(XsyncTimecode_t& timecode) {
+xs_error_code_t Xsync::TimecodeInputModule_getTimecode(XsyncTimecode_t &timecode) {
   uint32_t        readbak = 0;
   xs_error_code_t ecode   = kxs_ec_success;
 
diff --git a/xsync.hpp b/xsync.hpp
index 4a781e2..ab25ae4 100644
--- a/xsync.hpp
+++ b/xsync.hpp
@@ -73,6 +73,7 @@ typedef struct {
 } xysnc_camera_sync_data_t;
 
 typedef function<void(XsyncTimecode_t *timecode_msg)>          xsync_on_timecode_msg_t;
+typedef function<void(uint32_t workstate)>                     xsync_on_workstate_change_msg_t;
 typedef function<void(xysnc_camera_sync_data_t *timecode_msg)> xsync_on_camera_sync_msg_t;
 
 /*******************************************************************************
@@ -208,8 +209,9 @@ class Xsync {
   string m_xsync_ip;
   bool   m_is_connected = false;
 
-  xsync_on_camera_sync_msg_t m_on_camera_sync_msg_cb = nullptr;
-  xsync_on_timecode_msg_t    m_on_timecode_msg_cb    = nullptr;
+  xsync_on_camera_sync_msg_t      m_on_camera_sync_msg_cb      = nullptr;
+  xsync_on_timecode_msg_t         m_on_timecode_msg_cb         = nullptr;
+  xsync_on_workstate_change_msg_t m_on_workstate_change_msg_cb = nullptr;
 
   int txpacket_index = 0;
 
@@ -240,6 +242,7 @@ class Xsync {
    *******************************************************************************/
   void Basic_registerOnTimecodeMsgCallback(xsync_on_timecode_msg_t on_timecode_msg_cb);
   void Basic_registerOnCameraSyncMsgCallback(xsync_on_camera_sync_msg_t on_camera_sync_msg_cb);
+  void Basic_registerOnWorkstateChangeMsgCallback(xsync_on_workstate_change_msg_t on_workstate_change_msg_cb);
 
   /*******************************************************************************
    *                                   寄存器直接读写操作                          *
@@ -261,19 +264,19 @@ class Xsync {
   xs_error_code_t Basic_setGenlockFormat(GenlockFormat_t format);
   xs_error_code_t Basic_getGenlockFormat(GenlockFormat_t &format);
   xs_error_code_t Basic_setTimecodeFormat(TimecodeFormat_t format);
-  xs_error_code_t Basic_getTimecodeFormat(TimecodeFormat_t &format);
+  // xs_error_code_t Basic_getTimecodeFormat(TimecodeFormat_t &format);
 
   /*******************************************************************************
    *                                  时码输入                                   *
    *******************************************************************************/
 
   xs_error_code_t TimecodeInputModule_setSrcSelect(timecode_input_module::TriggerSigType_t timecode_select);
-  xs_error_code_t TimecodeInputModule_getSrcSelect(timecode_input_module::TriggerSigType_t timecode_select);
+  xs_error_code_t TimecodeInputModule_getSrcSelect(timecode_input_module::TriggerSigType_t &timecode_select);
 
   xs_error_code_t TimecodeInputModule_setTimecodeFormat(TimecodeFormat_t format);
   xs_error_code_t TimecodeInputModule_getTimecodeFormat(TimecodeFormat_t &format);
 
-  xs_error_code_t TimecodeInputModule_getTimecode(XsyncTimecode_t& timecode);
+  xs_error_code_t TimecodeInputModule_getTimecode(XsyncTimecode_t &timecode);
 
   /*******************************************************************************
    *                                 TTL输入模块                                 *
diff --git a/xsync_packet.hpp b/xsync_packet.hpp
index e1ce28d..ed9a39a 100644
--- a/xsync_packet.hpp
+++ b/xsync_packet.hpp
@@ -28,10 +28,14 @@ typedef struct {
 } iflytop_xsync_packet_header_t;
 
 typedef struct {
-  uint32_t timecode0;
-  uint32_t timecode1;
-} iflytop_timecode_report_packet_t;
-#pragma pack()
+  uint32_t eventid;
+  uint32_t data[];
+} iflytop_xsync_event_report_packet_t;
+
+typedef enum {
+  ktimecode_report_event         = 0,
+  kxsync_work_state_report_event = 1,
+} iflytop_event_type_t;
 
 typedef enum {
   kxsync_packet_type_none            = 0,