diff --git a/README.md b/README.md
index 286c85e..7dafcac 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,6 @@ V14:
 
 V18:
     添加信号延迟配置功能
-V19:
+V19,20:
     修复信号延迟配置功能的BUG
 ```
\ No newline at end of file
diff --git a/mainwindow.cpp b/mainwindow.cpp
index f5c4d19..e86fbd1 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -402,7 +402,7 @@ zaf_error_code_t MainWindow::refreshPage() {
   ui->LightSrcX_TriSrc_##index->setCurrentText(QString::fromStdString(src.toString())); \
   ui->LightSrcX_TriggerModePluseWidth_##index->setText(QString::number(width));         \
   ui->LightSrcX_TriggerModeFirstPluseOffset_##index->setText(QString::number(offset));  \
-  ui->LightSrcX_TriggerModePluseDelay_##index->setText(QString::number(delay));         \
+  ui->LightSrcX_TriggerModePluseDelay_##index->setText(QString::number(5));         \
   ui->LightSrcX_LightIntensityDuty_##index->setText(QString::number(duty, 'f', 3));     \
   ui->LightSrcX_LightDriverFreq_##index->setText(QString::number(freq, 'f', 2));
 
diff --git a/release/IFlytopLTC_v20.exe b/release/IFlytopLTC_v20.exe
new file mode 100644
index 0000000..111deb0
Binary files /dev/null and b/release/IFlytopLTC_v20.exe differ
diff --git a/src/camera_light_src_timing_controller/clst_controler.cpp b/src/camera_light_src_timing_controller/clst_controler.cpp
index dd66a51..e1c6ff6 100644
--- a/src/camera_light_src_timing_controller/clst_controler.cpp
+++ b/src/camera_light_src_timing_controller/clst_controler.cpp
@@ -593,9 +593,9 @@ zaf_error_code_t CLSTControler::LightSrcX_setTriggerModePluseWidth(int32_t index
   return reg_write(kreg_light_ctrol_module1_trigger_mode_pluse_width + (index - 1) * 32, width * 10);  // 0.1us
 }
 
-zaf_error_code_t CLSTControler::LightSrcX_setTriggerModePluseDelay(int32_t index, uint32_t width) {  //
+zaf_error_code_t CLSTControler::LightSrcX_setTriggerModePluseDelay(int32_t index, uint32_t delay) {  //
   if (index < 1 || index > 4) return kaf_ec_param_error;
-  return reg_write(kreg_light_ctrol_module1_trigger_mode_pluse_delay + (index - 1) * 32, width);  // 0.1us
+  return reg_write(kreg_light_ctrol_module1_trigger_mode_pluse_delay + (index - 1) * 32, delay);  // 0.1us
 }
 
 zaf_error_code_t CLSTControler::LightSrcX_setTriggerModeFirstPluseOffset(int32_t index, uint32_t offset) {  //
@@ -653,10 +653,11 @@ zaf_error_code_t CLSTControler::LightSrcX_getTriggerModeFirstPluseOffset(int32_t
   offset = val / 10;
   return kaf_ec_success;
 }
-zaf_error_code_t CLSTControler::LightSrcX_getTriggerModePluseDelay(int32_t index, uint32_t &offset) {  //
+zaf_error_code_t CLSTControler::LightSrcX_getTriggerModePluseDelay(int32_t index, uint32_t &delay) {  //
   if (index < 1 || index > 4) return kaf_ec_param_error;
   uint32_t val;
   DO_CMD(reg_read(kreg_light_ctrol_module1_trigger_mode_pluse_delay + (index - 1) * 32, val));
+  delay = val;
   return kaf_ec_success;
 }
 zaf_error_code_t CLSTControler::LightSrcX_getLightIntensityDuty(int32_t index, float &duty) {  //
diff --git a/src/camera_light_src_timing_controller/clst_controler.hpp b/src/camera_light_src_timing_controller/clst_controler.hpp
index 88ac01e..13a090d 100644
--- a/src/camera_light_src_timing_controller/clst_controler.hpp
+++ b/src/camera_light_src_timing_controller/clst_controler.hpp
@@ -143,14 +143,14 @@ class CLSTControler {
    *                                  光源控制                                   *
    *******************************************************************************/
   zaf_error_code_t LightSrcX_setTriSrc(int32_t index, InternalSig src);
-  zaf_error_code_t LightSrcX_setTriggerModePluseDelay(int32_t index, uint32_t width);
+  zaf_error_code_t LightSrcX_setTriggerModePluseDelay(int32_t index, uint32_t delay);
   zaf_error_code_t LightSrcX_setTriggerModePluseWidth(int32_t index, uint32_t width);
   zaf_error_code_t LightSrcX_setTriggerModeFirstPluseOffset(int32_t index, uint32_t offset);
   zaf_error_code_t LightSrcX_setLightIntensityDuty(int32_t index, float duty);
   zaf_error_code_t LightSrcX_setLightDriverFreq(int32_t index, float freq);
 
   zaf_error_code_t LightSrcX_getTriSrc(int32_t index, InternalSig &src);
-  zaf_error_code_t LightSrcX_getTriggerModePluseDelay(int32_t index, uint32_t &width);
+  zaf_error_code_t LightSrcX_getTriggerModePluseDelay(int32_t index, uint32_t &delay);
   zaf_error_code_t LightSrcX_getTriggerModePluseWidth(int32_t index, uint32_t &width);
   zaf_error_code_t LightSrcX_getTriggerModeFirstPluseOffset(int32_t index, uint32_t &offset);
   zaf_error_code_t LightSrcX_getLightIntensityDuty(int32_t index, float &duty);
diff --git a/src/version.h b/src/version.h
index 04e2db8..167c8d8 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,4 +1,4 @@
 #pragma once
 
-#define VERSION 19
+#define VERSION 20
 #define MAUFACTURER "iflytop"
\ No newline at end of file