diff --git a/applications/main.c b/applications/main.c
index f02192d..48ae048 100644
--- a/applications/main.c
+++ b/applications/main.c
@@ -415,8 +415,6 @@ int main(void)
 
                         is_event_initialized = RT_FALSE;
 
-                        // ADC_ITConfig(USED_ADC, ADC_IT_AWD, DISABLE);
-
                         H308_PWR_OFF;
                         SysControl.last_status = SysControl.status;
                         SysControl.status      = kPowerDownEvent;
diff --git a/bsp/src/bsp_h308.c b/bsp/src/bsp_h308.c
index b220536..054de00 100644
--- a/bsp/src/bsp_h308.c
+++ b/bsp/src/bsp_h308.c
@@ -187,7 +187,7 @@ static void H308_HandleAlarm(uint8_t count, uint8_t threshold)
     else if ((H308.Data.lel == 0) && (count == 0))
     {
         alarm_flag          = 0;
-        H308.detection_flag = kH308Alarm;
+        H308.detection_flag = kH308Normal;
     }
 }
 
diff --git a/bsp/src/bsp_nt26k.c b/bsp/src/bsp_nt26k.c
index 4906bbb..755c655 100644
--- a/bsp/src/bsp_nt26k.c
+++ b/bsp/src/bsp_nt26k.c
@@ -806,7 +806,6 @@ int Nt26k_Process_Events(Nt26kEvent nt26k_recv_event, struct at_device *device,
 #ifdef TEST_ENABLE
                     RTC_ShowTime(); // 每次发送打印下时间，容易定位问题
 #endif
-                    rt_thread_mdelay(IMEI_Delay());
                     LOG_D("send data cnt :%d", cnt);
                     int result = event->send_func(device, nt26k_ops);
                     if (result != RT_EOK)
@@ -837,7 +836,7 @@ int Nt26k_Process_Events(Nt26kEvent nt26k_recv_event, struct at_device *device,
             {
                 ret = RT_ERROR;
             }
-            rt_thread_mdelay(5000);
+            rt_thread_mdelay(IMEI_Delay() + 5000);//放到后面的原因是，保证了第一次发送数据的及时性
         }
     }
     if (rt_strcmp(event->event_name, "掉电事件") == RT_EOK)