diff --git a/source/app/task_appstatus.h b/source/app/task_appstatus.h
index c1949ce..124b761 100644
--- a/source/app/task_appstatus.h
+++ b/source/app/task_appstatus.h
@@ -25,7 +25,6 @@ typedef struct _s_task_appstatus
 }S_TASK_APPSTATUS;
 
 extern S_TASK_APPSTATUS _s_task_appstatus;
-extern vU32 Nowtime ;
 extern void L3_task_AppStatus_init(void);
 extern void L3_task_appstatus_handler(S_TASK_APPSTATUS *s);
 extern void Power_Off_judge();