diff --git a/bsp/inc/bsp_h308.h b/bsp/inc/bsp_h308.h
index cb45814..9f5a4a7 100644
--- a/bsp/inc/bsp_h308.h
+++ b/bsp/inc/bsp_h308.h
@@ -2,7 +2,7 @@
  * @Author: mbw
  * @Date: 2025-01-24 08:40:39
  * @LastEditors: mbw && 1600520629@qq.com
- * @LastEditTime: 2025-01-25 13:35:20
+ * @LastEditTime: 2025-01-25 14:14:51
  * @FilePath: \JT-DT-YD4N02A_RTT_MRS-NT26K\bsp\inc\bsp_h308.h
  * @Description: 
  * @
@@ -76,7 +76,7 @@ typedef struct __attribute__((packed))
     rt_uint8_t checksum;   // 校验
 } TsH308Data;
 
-typedef struct
+typedef struct __attribute__((packed))
 {
     uint8_t end_of_life;                            // 寿命到期
     uint8_t last_life;                              // 上次状态
diff --git a/bsp/src/bsp_h308.c b/bsp/src/bsp_h308.c
index 78d692a..ff8f12f 100644
--- a/bsp/src/bsp_h308.c
+++ b/bsp/src/bsp_h308.c
@@ -2,7 +2,7 @@
  * @Author: mbw
  * @Date: 2024-11-14 10:21:04
  * @LastEditors: mbw && 1600520629@qq.com
- * @LastEditTime: 2025-01-25 14:04:15
+ * @LastEditTime: 2025-01-25 14:34:41
  * @FilePath: \JT-DT-YD4N02A_RTT_MRS-NT26K\bsp\src\bsp_h308.c
  * @Description:
  *
@@ -37,7 +37,7 @@ static rt_sem_t uart4_rx_ok_sem;
 static struct rt_timer uart4_rx_timer;
 
 uint8_t sensor_rx_flag       = 0; // 接收缓冲区中，已经收到的数据包数量static rt_uint8_t alarm_flag = 0, fault_flag = 0;
-static rt_uint8_t alarm_flag = 0, fault_flag = 0;
+rt_uint8_t alarm_flag = 0, fault_flag = 0;
 TsH308 H308 = {0};
 
 void _UART4_RxTimeout(void *parameter)
@@ -166,50 +166,55 @@ static uint8_t H308_Count(const rt_uint8_t *buffer, uint8_t value, uint8_t size)
 //     }
 // }
 
-static void H308_HandleAlarm(uint8_t count, uint8_t *flag, uint8_t threshold)
+static void H308_HandleAlarm(uint8_t count, uint8_t threshold)
 {
-    if (count >= threshold && *flag == 0)
+    if (count >= threshold && alarm_flag == 0)
     {
         if (H308.Data.lel > H308.alarm_value)
         {
-            *flag = 1;
+            alarm_flag = 1;
             H308.detection_flag = kH308Alarm;
             Send_Laser_Alarm_Event(kAlarmEvent); 
         }
     }
-    else if (*flag == 1 && count == 0)
+    else if (alarm_flag == 1 && count == 0)
     {
-        *flag               = 0;
+        alarm_flag               = 0;
         H308.detection_flag = kH308Normal;
         Send_Laser_Alarm_Event(kAlarmRcyEvent);
     }
+    else if ((H308.Data.lel == 0) && (count == 0))
+    {
+        alarm_flag = 0;
+        H308.detection_flag = kH308Alarm;
+    }
 }
 
-static void H308_HandleFault(uint8_t count, uint8_t *flag, uint8_t threshold)
+static void H308_HandleFault(uint8_t count, uint8_t threshold)
 {
-    if (count >= threshold && *flag != 1)
+    if (count >= threshold && fault_flag != 1)
     {
-        *flag               = 1;
+        fault_flag               = 1;
         H308.detection_flag = kH308Fault;
+        rt_thread_mdelay(1);
         Send_Laser_Alarm_Event(kFaultEvent);
     }
-    else if (*flag == 1 && count == 0)
+    else if (fault_flag == 1 && count == 0)
     {
-        *flag               = 0;
+       fault_flag              = 0;
         H308.detection_flag = kH308Normal;
+        rt_thread_mdelay(1);
         Send_Laser_Alarm_Event(kFaultRcyEvent);
     }
     else if (rt_pin_read(LED_Y_PIN) == PIN_HIGH && (count == 0))
     {
-        *flag               = 0;
+        fault_flag               = 0;
         H308.detection_flag = kH308Normal;
     }
-    LOG_D(" *flag = [%d]; H308.detection_flag:[%d]", *flag, H308.detection_flag);
 }
 
-static uint8_t H308_CheckData(rt_uint8_t *alarm_flag, rt_uint8_t *fault_flag)
+static uint8_t H308_CheckData(void)
 {
-
     static rt_uint8_t alarm_count = 0, fault_count = 0;
     static rt_uint8_t index                                   = 0;
     static rt_uint8_t alarm_status_buffer[H308_SAMPLING_TIMS] = {0};
@@ -222,11 +227,13 @@ static uint8_t H308_CheckData(rt_uint8_t *alarm_flag, rt_uint8_t *fault_flag)
     {
         index = 0;
     }
-
     alarm_count = H308_Count(alarm_status_buffer, kH308Alarm, H308_SAMPLING_TIMS);
+    rt_thread_mdelay(1);
     fault_count = H308_Count(fault_buf, kH308Fault, H308_SAMPLING_TIMS);
-    H308_HandleAlarm(alarm_count, alarm_flag, H308_SAMPLING_TIMS);
-    H308_HandleFault(fault_count, fault_flag, H308_SAMPLING_TIMS);
+    rt_thread_mdelay(1);
+    H308_HandleAlarm(alarm_count, H308_SAMPLING_TIMS);
+    rt_thread_mdelay(1);
+    H308_HandleFault(fault_count, H308_SAMPLING_TIMS);
 
     return RT_EOK;
 }
@@ -235,7 +242,7 @@ static uint8_t H308_CheckData(rt_uint8_t *alarm_flag, rt_uint8_t *fault_flag)
 uint8_t IS_H308_EndOfLife(void)
 {
     RTC_GetTime();
-    if (RtcDateTime.year > 2035) // 至少大于2035年再检测
+    if (RtcDateTime.year >= 2035) // 至少大于2035年再检测
     {
         if (RTC_GetCounter() >= H308.expiration_seconds)
         {
@@ -244,11 +251,13 @@ uint8_t IS_H308_EndOfLife(void)
         else
         {
             H308.end_of_life = 0;
+            return 0;  
         }
     }
     else
     {
         H308.end_of_life = 0;
+        return 0;
     }
     return H308.end_of_life;
 }
@@ -303,7 +312,13 @@ static void h308_thread_entry(void *param)
     static uint8_t h308_rx_timout_cnt      = 0;
     static uint8_t h308_err_cnt            = 0;
     rt_thread_mdelay(1000);
-    H308.alarm_value = Flash_Get_SysCfg(kAlarmLValueId); // 获取系统报警阈值
+    rt_uint8_t alarm_value = Flash_Get_SysCfg(kAlarmLValueId); // 获取系统报警阈值;
+    if (alarm_value > 25)
+    {
+        alarm_value = 10;
+    }
+    
+    H308.alarm_value = alarm_value;
     LOG_D("报警阈值:%d%LEL", H308.alarm_value);
 
     while (1)
@@ -320,7 +335,7 @@ static void h308_thread_entry(void *param)
                 LOG_I("str:%s", str);
                 if (ret == 0)
                 {
-                    H308_CheckData(&alarm_flag, &fault_flag);
+                    H308_CheckData();
                 }
                 else
                 {
@@ -330,6 +345,7 @@ static void h308_thread_entry(void *param)
             else
             {
                 h308_err_cnt++;
+                
                 LOG_E("(len = %d) < 44, error data:[%s]", len, str);
                 if (h308_err_cnt >= 5)
                 {