diff --git a/applications/main.c b/applications/main.c
index 8172db4..802cb5a 100644
--- a/applications/main.c
+++ b/applications/main.c
@@ -2,7 +2,7 @@
  * @Author: mbw
  * @Date: 2024-10-23 17:14:16
  * @LastEditors: mbw && 1600520629@qq.com
- * @LastEditTime: 2024-12-01 14:44:58
+ * @LastEditTime: 2024-12-01 15:55:01
  * @FilePath: \ble_bjq_ch303rct6_ml307\applications\main.c
  * @Descrt_thread_
  *
@@ -156,7 +156,7 @@ int main(void)
         LED_CTRL(g, "1000,500", -1);                        
         LED_START(g);
 
-        uint16_t ticks = 0, gas_calibration_voltage;
+        uint32_t ticks = 0, gas_calibration_voltage;
         while (1)
         {
             gas_calibration_voltage = Get_Gas_VoltageInt1000x();