diff --git a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UIInfo.c b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UIInfo.c
index ddff14480..59f340237 100755
--- a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UIInfo.c
+++ b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIInfo/UIInfo.c
@@ -505,6 +505,10 @@ void Load_MenuInfo(void)
         #if HUNTING_CAMERA_MCU == ENABLE
         if(sf_get_ui_para_flag())
         {
+            if(!sf_is_usb_flag())
+            {
+                sf_mcu_reg_set(SF_MCU_SOFT_UPDATE, 0);
+            }
             memcpy(&origInfo, &currentInfo, sizeof(currentInfo));
             memcpy(&origInfo_check, &currentInfo, sizeof(currentInfo));
            return;
@@ -515,10 +519,14 @@ void Load_MenuInfo(void)
 		
 		#if HUNTING_CAMERA_MCU == ENABLE
         sf_power_on_para_check_init();
-		if(sf_is_usb_flag())
-		{
-			Save_MenuInfo();
-		}
+        if(sf_is_usb_flag())
+        {
+            Save_MenuInfo();
+        }
+        else
+        {
+            sf_mcu_reg_set(SF_MCU_SOFT_UPDATE, 0);
+        }
 		#endif
 		#if HUNTING_CAMERA_MCU == ENABLE
         //origInfo = currentInfo;
diff --git a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
index c35a971dc..76b4dc56d 100755
--- a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
+++ b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
@@ -882,6 +882,8 @@ unsigned char sf_mcu_reg_set(MCUParam_t attrId, unsigned char val)
         if(val == 1)
         {
             mcuData[i++] = (puiPara->CamArmDiable) << 6 | isUsb << 2 | isCardFull << 1 | isCard << 0 | 0x08;
+            mcuReg[i] = WDT_TIME;
+	        mcuData[i++] = 16;/*16 min*/
         }
         else
         {