diff --git a/code/application/source/sf_app/code/source/app/sf_system.c b/code/application/source/sf_app/code/source/app/sf_system.c
index 52d59432f..13f4ff0fb 100755
--- a/code/application/source/sf_app/code/source/app/sf_system.c
+++ b/code/application/source/sf_app/code/source/app/sf_system.c
@@ -1543,12 +1543,12 @@ void* sf_app_mcu_para_thread(void *arg)
     sf_mcu_flag_init();
     sf_mcu_init();
     if((SF_MCU_STARTUP_NORMAL != sf_poweron_type_get()) && (!isUsb)){
-        sf_get_power_on_mode();
-        sf_mcu_wdg_set(5);
         if(sf_get_camera_restart())
         {
             sf_mcu_reg_set(SF_MCU_SOFT_UPDATE, 0);
         }
+        sf_get_power_on_mode();
+        sf_mcu_wdg_set(5);
     }
     McuInitFlag = 1;
 	McuParaTskCfg.IsRun = 0;