diff --git a/README.md b/README.md
index 931e0b3..8d160fe 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ V3
         5.dhcp失败自动触发LLA，生成随机本地IP
 V3.1
         1.电源部分的指示灯显示IP获取状态
+        2.调整广播时间，优化复位逻辑
 
 ```
 
diff --git a/usrc/service/extern_if_service.c b/usrc/service/extern_if_service.c
index f353253..58e6fc5 100644
--- a/usrc/service/extern_if_service.c
+++ b/usrc/service/extern_if_service.c
@@ -2,6 +2,7 @@
 #include "project_configs.h"
 #include "project_dep.h"
 //
+#include "global_flag.h"
 #include "iflytop_xsync\xs_udp.h"
 #include "reg_manager.h"
 #define TAG "extern_if_service"
@@ -106,6 +107,11 @@ static void udp_on_packet(udp_t *server, struct sockaddr_in *client, uint8_t *da
     receipt[1] = reg_manager_write_reg(regadd, regval);
     create_and_send_receipt(&cx, receipt, 2);
 
+    if (g_try_reboot_flag) {
+      osDelay(100);
+      HAL_NVIC_SystemReset();
+    }
+
   } else if (rxpacket->cmd == kxsync_packet_type_reg_read_regs) {
     uint32_t start_regadd = rxpacket->data[0];
     uint32_t nreg         = rxpacket->data[1];
diff --git a/usrc/service/global_flag.c b/usrc/service/global_flag.c
index e69de29..73a8eb2 100644
--- a/usrc/service/global_flag.c
+++ b/usrc/service/global_flag.c
@@ -0,0 +1,2 @@
+#include "global_flag.h"
+bool g_try_reboot_flag = false;
\ No newline at end of file
diff --git a/usrc/service/global_flag.h b/usrc/service/global_flag.h
index e69de29..7f70491 100644
--- a/usrc/service/global_flag.h
+++ b/usrc/service/global_flag.h
@@ -0,0 +1,13 @@
+#pragma once
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern bool g_try_reboot_flag;
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/usrc/service/reg_manager.c b/usrc/service/reg_manager.c
index ba4f5a1..dea0699 100644
--- a/usrc/service/reg_manager.c
+++ b/usrc/service/reg_manager.c
@@ -4,7 +4,7 @@
 #include "base_service/fpga_if.h"
 #include "iflytop_xsync_protocol/iflytop_xsync_protocol.h"
 #include "service/report_generator_service.h"
-
+#include "global_flag.h"
 uint32_t m_action_val0;
 uint32_t m_action_receipt;
 
@@ -22,7 +22,7 @@ static uint32_t doaction(uint32_t action, uint32_t val) {
     config_factory_reset();
     return 0;
   } else if (action == xsync_stm32_action_reboot) {
-    NVIC_SystemReset();
+    g_try_reboot_flag = true;
     return 0;
   } else if (action == xsync_stm32_action_storage_cfg) {
     config_flush();
@@ -32,7 +32,7 @@ static uint32_t doaction(uint32_t action, uint32_t val) {
 }
 
 uint32_t reg_manager_read_reg(uint32_t addr) {
-  uint32_t    readbak = 0;
+  uint32_t readbak = 0;
   if (addr == kxsync_reg_software_version) {  // read only
     readbak = PC_VERSION;
   } else if (addr == kxsync_reg_manufacturer0) {  // read only
@@ -65,7 +65,7 @@ uint32_t reg_manager_read_reg(uint32_t addr) {
     readbak = config_get()->netmask;
   } else if (addr == kxsync_reg_stm32_config0) {
     readbak = config_get()->config0;
-  } 
+  }
 
   /*******************************************************************************
    *                                   ACTION                                    *
@@ -116,7 +116,7 @@ uint32_t reg_manager_write_reg(uint32_t addr, uint32_t value) {
     readbak               = config_get()->netmask;
   } else if (addr == kxsync_reg_stm32_config0) {
     readbak = config_get()->config0;
-  } 
+  }
   /*******************************************************************************
    *                                   ACTION                                    *
    *******************************************************************************/
diff --git a/usrc/service/report_generator_service.c b/usrc/service/report_generator_service.c
index 8c1a0a4..32c8790 100644
--- a/usrc/service/report_generator_service.c
+++ b/usrc/service/report_generator_service.c
@@ -5,6 +5,7 @@
 #include "base_service/fpga_if.h"
 #include "base_service/task_level_config.h"
 #include "base_service/xsync_regs.hpp"
+#include "global_flag.h"
 #include "iflytop_xsync\xs_udp.h"
 #include "reg_manager.h"
 
@@ -123,7 +124,7 @@ static uint32_t dtimes(timecode_parse_result_t *a, timecode_parse_result_t *b, b
 static uint32_t last_report_packet_time;
 
 static void try_report_device_info_packet() {
-  if (xs_has_passedms(last_report_packet_time) >= 3000) {
+  if (xs_has_passedms(last_report_packet_time) >= 300) {
     last_report_packet_time = xs_get_ticket();
     create_and_send_device_online_packet();
   }