diff --git a/bsp/src/bsp_nt26k.c b/bsp/src/bsp_nt26k.c
index fbd760b..2d901f1 100644
--- a/bsp/src/bsp_nt26k.c
+++ b/bsp/src/bsp_nt26k.c
@@ -2,7 +2,7 @@
  * @Author: mbw
  * @Date: 2024-10-09 08:42:14
  * @LastEditors: mbw && 1600520629@qq.com
- * @LastEditTime: 2025-01-18 11:16:47
+ * @LastEditTime: 2025-01-18 11:29:56
  * @FilePath: \JT-DT-YD4N02A_RTT_MRS-NT26K\bsp\src\bsp_nt26k.c
  * @Description:
  *
@@ -1564,7 +1564,18 @@ int BSP_Nt26k_Thread_Init(void)
 
     Nt26k_Event_Init();
     rt_uint32_t iot_upload_time = (uint16_t)Flash_Get_SysCfg(kIotUploadCycleId);
-    unsigned long timeout       = iot_upload_time * 60 * RT_TICK_PER_SECOND;
+    rt_uint32_t timeout   = 0;
+    
+    if (iot_upload_time > 24 * 60 * 60 * RT_TICK_PER_SECOND)
+     {
+        timeout = 24 * 60 * 60 * RT_TICK_PER_SECOND;
+        LOG_E("iot_upload_time > 24 * 60 * 60 * RT_TICK_PER_SECOND");
+    }
+    else
+    {
+        timeout = iot_upload_time * 60 * RT_TICK_PER_SECOND;
+    }
+    
     LOG_I("上报服务器周期：%d分钟", iot_upload_time);
     nt26k_mutex = rt_mutex_create("nt26k_mutex", RT_IPC_FLAG_PRIO);
     if (nt26k_mutex == RT_NULL)
@@ -1586,6 +1597,7 @@ int BSP_Nt26k_Thread_Init(void)
     {
         LOG_E("nt26k_disconnect_sem create failed");
     }
+    LOG_D("定时周期ticks = %d", timeout);
     // 创建定时器
     nt26k_timer = rt_timer_create("heartbeat",
                                   Nt26k_Ht_Timer_Cb,       // 回调函数