diff --git a/loader/Project/Model/Src/prj_main.c b/loader/Project/Model/Src/prj_main.c
index ff1119eda..9873222fb 100755
--- a/loader/Project/Model/Src/prj_main.c
+++ b/loader/Project/Model/Src/prj_main.c
@@ -155,7 +155,7 @@ static BOOL prj_isSpecialKeyPressed(UINT32 ota_flag)
     {
 		return TRUE;
 	}
-    else if(!(gpio_getPin(GPIO_SPECIAL_KEY2)) || prj_is_WDT_OTA() || prj_is_Flash_OTA(ota_flag))
+    else if((!(gpio_getPin(GPIO_SPECIAL_KEY2)) && (gpio_getPin(GPIO_SPECIAL_USB))) || prj_is_WDT_OTA() || prj_is_Flash_OTA(ota_flag))
     {
         return TRUE;
     }else {