diff --git a/libxsync b/libxsync
index 94c4352..ceb3c26 160000
--- a/libxsync
+++ b/libxsync
@@ -1 +1 @@
-Subproject commit 94c4352c150f3d559301a8c1f9a5baa2b5ff0394
+Subproject commit ceb3c26ea5b262fe792bfb4418f8186b450faa39
diff --git a/mainwindow.cpp b/mainwindow.cpp
index ec36c08..2ec67b8 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -333,8 +333,6 @@ void MainWindow::construct_reg_table() {  //
   push_reg(ui->gridLayoutWidget, regoff++, "delayer_delay_sig_index", reg::delayer_delay_sig_index, 0, kreg_val_type_decimal);
   push_reg(ui->gridLayoutWidget, regoff++, "delayer_delay_us", reg::delayer_delay_us, 0, kreg_val_type_decimal);
 
-  
-
   auto qrect = ui->gridLayoutWidget->geometry();
   qrect.setHeight(31 * regoff - 1);
   ui->scrollAreaWidgetContents->setMinimumHeight(31 * (regoff + 10) - 1);
@@ -455,12 +453,18 @@ void MainWindow::UI_RecordSigGenConstruct() {
   ui->RecordSigGenerator_ContrlMode->addItem(QString::fromStdString(ControlMode2Str(CONTROLMODE_MANUAL_TRIGGER)));
   ui->RecordSigGenerator_ContrlMode->addItem(QString::fromStdString(ControlMode2Str(CONTROLMODE_TIMECODE_TRIGGER)));
   ui->RecordSigGenerator_ContrlMode->addItem(QString::fromStdString(ControlMode2Str(CONTROLMODE_EXTERNALTTL_TRIGGER)));
+  ui->RecordSigGenerator_ContrlMode->addItem(QString::fromStdString(ControlMode2Str(CONTROLMODE_EXTERNALTTL_EDGE_TRIGGER)));
 
   ui->RecordSigGenerator_ExternalTTLTriggerSrc->clear();
   ui->RecordSigGenerator_ExternalTTLTriggerSrc->addItem(QString::fromStdString(InputInterface2Str(INPUT_IF_TTL1)));
   ui->RecordSigGenerator_ExternalTTLTriggerSrc->addItem(QString::fromStdString(InputInterface2Str(INPUT_IF_TTL2)));
   ui->RecordSigGenerator_ExternalTTLTriggerSrc->addItem(QString::fromStdString(InputInterface2Str(INPUT_IF_TTL3)));
   ui->RecordSigGenerator_ExternalTTLTriggerSrc->addItem(QString::fromStdString(InputInterface2Str(INPUT_IF_TTL4)));
+
+  ui->RecordSigGenerator_TriggerEdge->clear();
+  ui->RecordSigGenerator_TriggerEdge->addItem(QString::fromStdString(TriggerEdge2Str(TRIGGER_EDGE_RISING)));
+  ui->RecordSigGenerator_TriggerEdge->addItem(QString::fromStdString(TriggerEdge2Str(TRIGGER_EDGE_FALLING)));
+  ui->RecordSigGenerator_TriggerEdge->addItem(QString::fromStdString(TriggerEdge2Str(TRIGGER_EDGE_BOTH)));
 }
 
 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) {
@@ -601,7 +605,7 @@ void MainWindow::mainWindowsRun() {  //
       ZLOGE(TAG, "do: %s fail,ecode:[%d](%s)", #exptr, ecode, xs_error_code_2_str(ecode)); \
       return;                                                                              \
     } else {                                                                               \
-      ZLOGI(TAG, "do: %s success", #exptr);                                                \
+                                                    \
     }                                                                                      \
   }
 
@@ -1007,6 +1011,7 @@ void MainWindow::on_RecordSigGen_Read_clicked() {
   uint32_t         exposureOffsetTime;
   uint32_t         state;
   XsyncTimecode_t  timecode_snapshot;
+  TriggerEdge_t    edge;
 
   DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_getContrlMode(mode));
   DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_getAutoStartTimecode(autoStartTimecode));
@@ -1016,6 +1021,7 @@ void MainWindow::on_RecordSigGen_Read_clicked() {
   DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_getExternalTTLTriggerPolarity(polarity));
   DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_getRecordState(state));
   DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_readTimecodeSnapshot(timecode_snapshot));
+  DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_getTriggerEdge(edge));
 
   ui->RecordSigGenerator_ContrlMode->setCurrentText(QString::fromStdString(ControlMode2Str(mode)));
   ui->RecordSigGenerator_AutoStartTimecode->setText(QString(XsyncTimecodeToStr(autoStartTimecode).c_str()));
@@ -1024,19 +1030,30 @@ void MainWindow::on_RecordSigGen_Read_clicked() {
   ui->RecordSigGenerator_TimecodeCtrlFlag1->setChecked(autoStop);
   ui->RecordSigGenerator_ExternalTTLTriggerSrc->setCurrentText(QString::fromStdString(InputInterface2Str(ttlPortNum)));
   ui->RecordSigGenerator_ExternalTTLTriggerPolarity->setText(QString::number(polarity));
+  ui->RecordSigGenerator_TriggerEdge->setCurrentText(QString::fromStdString(TriggerEdge2Str(edge)));
   // ui->RecordSigGenerator_RecordExposureTime->setText(QString::number(exposureTime));
   // ui->RecordSigGenerator_RecordExposureOffsetTime->setText(QString::number(exposureOffsetTime));
   ui->RecordSigGenerator_RecordState->setText(QString::number(state));
   ui->RecordSigGenerator_TimecodeSnapshot->setText(QString(XsyncTimecodeToStr(timecode_snapshot).c_str()));
 }
 void MainWindow::on_RecordSigGen_Write_clicked() {
-  ControlMode_t    mode              = Str2ControlMode(ui->RecordSigGenerator_ContrlMode->currentText().toStdString());
-  XsyncTimecode_t  autoStartTimecode = Str2XsyncTimecode(ui->RecordSigGenerator_AutoStartTimecode->text().toStdString());
-  XsyncTimecode_t  autoStopTimecode  = Str2XsyncTimecode(ui->RecordSigGenerator_AutoStopTimecode->text().toStdString());
-  uint32_t         autoStart         = ui->RecordSigGenerator_TimecodeCtrlFlag0->isChecked();
-  uint32_t         autoStop          = ui->RecordSigGenerator_TimecodeCtrlFlag1->isChecked();
-  InputInterface_t ttlPortNum        = Str2InputInterface(ui->RecordSigGenerator_ExternalTTLTriggerSrc->currentText().toStdString());
-  uint32_t         polarity          = ui->RecordSigGenerator_ExternalTTLTriggerPolarity->text().toUInt();
+  ControlMode_t mode = Str2ControlMode(ui->RecordSigGenerator_ContrlMode->currentText().toStdString());
+
+  uint32_t         autoStart  = ui->RecordSigGenerator_TimecodeCtrlFlag0->isChecked();
+  uint32_t         autoStop   = ui->RecordSigGenerator_TimecodeCtrlFlag1->isChecked();
+  InputInterface_t ttlPortNum = Str2InputInterface(ui->RecordSigGenerator_ExternalTTLTriggerSrc->currentText().toStdString());
+  uint32_t         polarity   = ui->RecordSigGenerator_ExternalTTLTriggerPolarity->text().toUInt();
+  TriggerEdge_t    edge       = Str2TriggerEdge(ui->RecordSigGenerator_TriggerEdge->currentText().toStdString());
+
+  static XsyncTimecode_t autoStopTimecode;
+  Str2XsyncTimecode(ui->RecordSigGenerator_AutoStopTimecode->text().toStdString(), autoStopTimecode);
+  static XsyncTimecode_t autoStartTimecode;
+  Str2XsyncTimecode(ui->RecordSigGenerator_AutoStartTimecode->text().toStdString(), autoStartTimecode);
+
+  ZLOGI(TAG, "............. %s", ui->RecordSigGenerator_AutoStartTimecode->text().toStdString().c_str());
+  ZLOGI(TAG, "............. %s", ui->RecordSigGenerator_AutoStopTimecode->text().toStdString().c_str());
+  ZLOGI(TAG, "1 %d %d %d %d %d ", autoStartTimecode.hour, autoStartTimecode.minute, autoStartTimecode.second, autoStartTimecode.frame, autoStartTimecode.subframe);
+  ZLOGI(TAG, "2 %d %d %d %d %d ", autoStopTimecode.hour, autoStopTimecode.minute, autoStopTimecode.second, autoStopTimecode.frame, autoStopTimecode.subframe);
   // uint32_t         exposureTime       = ui->RecordSigGenerator_RecordExposureTime->text().toUInt();
   // uint32_t         exposureOffsetTime = ui->RecordSigGenerator_RecordExposureOffsetTime->text().toUInt();
 
@@ -1048,6 +1065,7 @@ void MainWindow::on_RecordSigGen_Write_clicked() {
   DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_setTimecodeCtrlFlag(autoStart, autoStop));
   DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_setExternalTTLTriggerSrc(ttlPortNum));
   DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_setExternalTTLTriggerPolarity(polarity));
+  DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_setTriggerEdge(edge));
   // DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_setRecordExposureTime(exposureTime));
   // DO_XSYNC_FUNC(XsyncIns()->RecordSigGenerator_setRecordExposureOffsetTime(exposureOffsetTime));
 }
@@ -1109,5 +1127,4 @@ void MainWindow::on_DelayContrl_Update_clicked() {
 
   DO_XSYNC_FUNC(XsyncIns()->DelayContrl_setInputDelay(DelayContrl_InputDelay));
   DO_XSYNC_FUNC(XsyncIns()->DelayContrl_setOutputDelay(DelayContrl_OutputDelay));
-
 }
diff --git a/mainwindow.ui b/mainwindow.ui
index b9f0dc6..45d7853 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -204,7 +204,7 @@
        </sizepolicy>
       </property>
       <property name="currentIndex">
-       <number>6</number>
+       <number>4</number>
       </property>
       <widget class="QWidget" name="tab_8">
        <attribute name="title">
@@ -2752,7 +2752,7 @@
          <property name="geometry">
           <rect>
            <x>20</x>
-           <y>60</y>
+           <y>100</y>
            <width>81</width>
            <height>31</height>
           </rect>
@@ -2765,7 +2765,7 @@
          <property name="geometry">
           <rect>
            <x>110</x>
-           <y>60</y>
+           <y>100</y>
            <width>141</width>
            <height>31</height>
           </rect>
@@ -2796,6 +2796,32 @@
           <number>-1</number>
          </property>
         </widget>
+        <widget class="QComboBox" name="RecordSigGenerator_TriggerEdge">
+         <property name="geometry">
+          <rect>
+           <x>110</x>
+           <y>60</y>
+           <width>141</width>
+           <height>31</height>
+          </rect>
+         </property>
+         <property name="currentIndex">
+          <number>-1</number>
+         </property>
+        </widget>
+        <widget class="QLabel" name="label_83">
+         <property name="geometry">
+          <rect>
+           <x>20</x>
+           <y>60</y>
+           <width>81</width>
+           <height>31</height>
+          </rect>
+         </property>
+         <property name="text">
+          <string>触发边沿</string>
+         </property>
+        </widget>
        </widget>
        <widget class="QLineEdit" name="RecordSigGenerator_RecordState">
         <property name="geometry">