diff --git a/code/lib/source/sifar/code/source/mcu/sf_mcu_client.c b/code/lib/source/sifar/code/source/mcu/sf_mcu_client.c
index 6cbdbe2c0..1b281ad35 100644
--- a/code/lib/source/sifar/code/source/mcu/sf_mcu_client.c
+++ b/code/lib/source/sifar/code/source/mcu/sf_mcu_client.c
@@ -777,6 +777,11 @@ void sf_mcu_dataready_ck(UINT8 startMode)
 		else if(startMode == 1) //SETUP
 		{
 			/*exit pir mode*/
+            if(sf_get_pir_statu_flag()){
+                sf_set_auto_off_time(0);
+                sf_set_pir_statu_flag(0);
+                sf_sys_status_led_set(SF_LED_SYS_STATE_EXIT_GO_TO_PIR);
+            }
 		}
 		else if(startMode == 3) //ON
 		{