diff --git a/.cproject b/.cproject
index 44c734a..3e952a4 100644
--- a/.cproject
+++ b/.cproject
@@ -40,7 +40,7 @@
 							</tool>
 							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.782799112" name="MCU GCC Compiler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler">
 								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.1115926827" name="Debug level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.value.g3" valueType="enumerated"/>
-								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.390305872" name="Optimization level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" useByScannerDiscovery="false"/>
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.390305872" name="Optimization level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.value.ofast" valueType="enumerated"/>
 								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols.1156405800" name="Define symbols (-D)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols" useByScannerDiscovery="false" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="DEBUG"/>
 									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>
diff --git a/iflytop_xsync_protocol b/iflytop_xsync_protocol
index cb1114b..8428233 160000
--- a/iflytop_xsync_protocol
+++ b/iflytop_xsync_protocol
@@ -1 +1 @@
-Subproject commit cb1114b21bf415053cdaeb7ed2940406e48d378b
+Subproject commit 84282337481ec1cfd91a621e245b0a73cf3b1bd5
diff --git a/usrc/main.cpp b/usrc/main.cpp
index c8fd865..0700135 100644
--- a/usrc/main.cpp
+++ b/usrc/main.cpp
@@ -39,7 +39,7 @@ xs_gpio_t m_debug_led;
 xs_gpio_t m_factory_reset_key;
 xs_gpio_t m_power_led;
 extern "C" {
-void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { report_generator_service_irq_trigger(GPIO_Pin); }
+void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { ReportGeneratorService_irq_trigger(GPIO_Pin); }
 }
 
 void debug_light_ctrl() {
@@ -120,7 +120,7 @@ void umain() {
   /**
    * @brief report_generator init
    */
-  report_generator_service_init(fpga_if_get_instance()->timecode_irq_pin, fpga_if_get_instance()->camera_sync_code_irq_pin);
+  ReportGeneratorService_init(fpga_if_get_instance()->timecode_irq_pin, fpga_if_get_instance()->camera_sync_code_irq_pin);
 
   /**
    * @brief reg_manager init
diff --git a/usrc/service/reg_manager.c b/usrc/service/reg_manager.c
index 505a83a..f53a9c3 100644
--- a/usrc/service/reg_manager.c
+++ b/usrc/service/reg_manager.c
@@ -69,11 +69,14 @@ uint32_t reg_manager_read_reg(uint32_t addr) {
     readbak = config_get()->gw;
   } else if (addr == kxsync_reg_stm32_netmask) {
     readbak = config_get()->netmask;
-  } else if (addr == kxsync_reg_stm32_camera_sync_signal_count) {
-    readbak = report_generator_service_xsync_get_count();
   } else if (addr == kxsync_reg_stm32_config0) {
     readbak = config_get()->config0;
+  } else if (addr == kxsync_reg_stm32_camera_sync_signal_count) {
+    readbak = ReportGeneratorService_xsync_get_count();
+  } else if (addr == kxsync_reg_stm32_camera_sync_signal_report_period) {
+    readbak = ReportGeneratorService_get_camera_sync_code_report_period();
   }
+
   /*******************************************************************************
    *                                   ACTION                                    *
    *******************************************************************************/
@@ -121,11 +124,13 @@ uint32_t reg_manager_write_reg(uint32_t addr, uint32_t value) {
   } else if (addr == kxsync_reg_stm32_netmask) {
     config_get()->netmask = value;
     readbak               = config_get()->netmask;
-  } else if (addr == kxsync_reg_stm32_camera_sync_signal_count) {
-    report_generator_service_xsync_set_count(value);
-    readbak = report_generator_service_xsync_get_count();
   } else if (addr == kxsync_reg_stm32_config0) {
     readbak = config_get()->config0;
+  } else if (addr == kxsync_reg_stm32_camera_sync_signal_count) {
+    ReportGeneratorService_xsync_set_count(value);
+    readbak = ReportGeneratorService_xsync_get_count();
+  } else if (addr == kxsync_reg_stm32_camera_sync_signal_report_period) {
+    readbak = ReportGeneratorService_set_camera_sync_code_report_period(value);
   }
 
   /*******************************************************************************
diff --git a/usrc/service/report_generator_service.c b/usrc/service/report_generator_service.c
index 3ffb0b7..1aa8983 100644
--- a/usrc/service/report_generator_service.c
+++ b/usrc/service/report_generator_service.c
@@ -3,9 +3,9 @@
 #include "project_dep.h"
 //
 #include "base_service/fpga_if.h"
+#include "base_service/task_level_config.h"
 #include "iflytop_xsync\xs_udp.h"
 #include "reg_manager.h"
-#include "base_service/task_level_config.h"
 
 static udp_broadcast_handler_t m_udp_camera_sync_sender;      //
 static udp_broadcast_handler_t m_udp_camera_timecode_sender;  //
@@ -13,7 +13,8 @@ static udp_broadcast_handler_t m_udp_camera_timecode_sender;  //
 osThreadId timecode_report_thread_id;
 osThreadId xync_signal_report_thread_id;
 
-static uint32_t m_sync_count = 0;
+static uint32_t m_sync_count                       = 0;
+static uint32_t m_camera_sync_packet_report_period = 1;
 
 static uint32_t m_timecode_trigger_input_off;
 static uint32_t m_xync_trigger_input_off;
@@ -65,12 +66,17 @@ static void timecode_report_thread(void const *argument) {
 static void xync_signal_report_thread(void const *argument) {
   while (true) {
     osEvent signal = osSignalWait(0x01, osWaitForever);
-    if (signal.value.signals == 0x01) create_and_send_camera_sync_msg(m_sync_count++);
+    if (signal.value.signals == 0x01) {
+      if (m_sync_count % m_camera_sync_packet_report_period == 0) {
+        create_and_send_camera_sync_msg(m_sync_count);
+      }
+      m_sync_count++;
+    }
     // osSignalClear(xync_signal_report_thread_id, 0x01);
   }
 }
 
-void report_generator_service_irq_trigger(uint16_t gpiopin) {
+void ReportGeneratorService_irq_trigger(uint16_t gpiopin) {
   if (gpiopin == m_timecode_trigger_input_off) {
     // printf("1trigger\n");
     osSignalSet(timecode_report_thread_id, 0x01);
@@ -81,7 +87,7 @@ void report_generator_service_irq_trigger(uint16_t gpiopin) {
   }
 }
 
-void report_generator_service_init() {
+void ReportGeneratorService_init() {
   ZASSERT(xs_udp_broadcast_init(&m_udp_camera_sync_sender, IFLYTOP_XSYNC_CAMERA_SYNC_PACKET_XSYNC_PORT));
   ZASSERT(xs_udp_broadcast_init(&m_udp_camera_timecode_sender, IFLYTOP_XSYNC_TIMECODE_REPORT_XSYNC_PORT));
 
@@ -98,7 +104,12 @@ void report_generator_service_init() {
   m_xync_trigger_input_off     = fpga_if_get_instance()->camera_sync_code_irq_io.pinoff;
 }
 
-void report_generator_service_xsync_set_count(uint32_t count){
-  m_sync_count = count;
+void     ReportGeneratorService_xsync_set_count(uint32_t count) { m_sync_count = count; }
+uint32_t ReportGeneratorService_xsync_get_count(void) { return m_sync_count; }
+uint32_t ReportGeneratorService_set_camera_sync_code_report_period(uint32_t period) {
+  if (period == 0) period = 1;
+  m_camera_sync_packet_report_period = period;
+  return period;
 }
-uint32_t report_generator_service_xsync_get_count(void) { return m_sync_count; }
\ No newline at end of file
+
+uint32_t ReportGeneratorService_get_camera_sync_code_report_period(void) { return m_camera_sync_packet_report_period; }
diff --git a/usrc/service/report_generator_service.h b/usrc/service/report_generator_service.h
index 0a6090c..4fd928f 100644
--- a/usrc/service/report_generator_service.h
+++ b/usrc/service/report_generator_service.h
@@ -23,24 +23,27 @@ extern "C" {
  * @param timecode_trigger_pin
  * @param xync_trigger_pin
  */
-void report_generator_service_init(Pin_t timecode_trigger_pin, Pin_t xync_trigger_pin);
+void ReportGeneratorService_init(Pin_t timecode_trigger_pin, Pin_t xync_trigger_pin);
 
 /**
  * @brief 中断触发函数，当IO中断触发时，调用此方法
  *
  * @param gpiopin
  */
-void report_generator_service_irq_trigger(uint16_t gpiopin);
+void ReportGeneratorService_irq_trigger(uint16_t gpiopin);
 /**
  * @brief 清除xync计数
  */
-void report_generator_service_xsync_set_count(uint32_t count);
+void ReportGeneratorService_xsync_set_count(uint32_t count);
 /**
  * @brief 获取xync计数
  *
  * @return uint32_t
  */
-uint32_t report_generator_service_xsync_get_count(void);
+uint32_t ReportGeneratorService_xsync_get_count(void);
+
+uint32_t ReportGeneratorService_set_camera_sync_code_report_period(uint32_t period);
+uint32_t ReportGeneratorService_get_camera_sync_code_report_period(void);
 
 #ifdef __cplusplus
 }