diff --git a/code/lib/source/sifar/code/source/common/sf_common.c b/code/lib/source/sifar/code/source/common/sf_common.c
index 7d461810e..8fa0f14ee 100644
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -175,7 +175,7 @@ void sf_mode_detect(void)
 		{
 			state = sf_pir_statu_read();
 			//printf("PIR_STATE_READ:%d\n", state);
-			if(((!sf_get_pir_statu_flag()) && (AutoOfftime < 180)))
+			if(((!sf_get_pir_statu_flag()) && (AutoOfftime < 185)))
 			{
 				if(!state)
 				{
@@ -210,7 +210,7 @@ void sf_mode_detect(void)
 	
 	time=0;
 
-	if(sf_get_pir_statu_flag())
+	if((sf_get_pir_statu_flag()) && (gpio_getPin(GPIO_KEY_TEST)))
 	{
 		pwroffcnt++;
 		//printf("[%s:%d]pwroffcnt=%d\n",__FUNCTION__,__LINE__,pwroffcnt);
@@ -228,7 +228,7 @@ void sf_mode_detect(void)
             sf_check_card_full();
 			sf_sys_status_led_set(SF_LED_SYS_STATE_POWER_OFF);
 			printf("[power off] %s(%d) AutoOfftime:%d\n", __FUNCTION__, __LINE__, AutoOfftime);
-			if(AutoOfftime >= 180)
+			if(AutoOfftime >= 185)
 			{
                 Ux_PostEvent(NVTEVT_SYSTEM_SHUTDOWN, 1, APP_POWER_OFF_APO); //shutdown start
 			}
@@ -257,7 +257,7 @@ void sf_mode_detect(void)
         || ((System_GetState(SYS_STATE_CURRMODE) == PRIMARY_MODE_MOVIE) && (FlowMovie_GetMovDataState() == MOV_ST_VIEW)))
 	{	
 		//printf("----AutoOfftime=%d\n",AutoOfftime);
-		if(AutoOfftime<180)
+		if(AutoOfftime<185)
 		{
 			AutoOfftime++;
 
@@ -269,7 +269,7 @@ void sf_mode_detect(void)
 					sf_sys_status_led_set(SF_LED_SYS_STATE_EXIT_GO_TO_PIR);
 			}
 		}
-		else if(AutoOfftime == 180) 
+		else if(AutoOfftime == 185) 
 		{
             sf_set_pir_statu_flag(TRUE);
 			countDownOffFlg = 1;
@@ -1087,7 +1087,7 @@ BOOL cmd_rtc_set(unsigned char argc, char **argv)
         
         GxTime_SetTime(Curr_DateTime);
         printf("[%s:%d] DateTime:%d %d %d %d %d %d\n", __FUNCTION__, __LINE__,Curr_DateTime.tm_year,Curr_DateTime.tm_mon,Curr_DateTime.tm_mday,Curr_DateTime.tm_hour,Curr_DateTime.tm_min,Curr_DateTime.tm_sec);
-
+        sf_cardv_set_mcu_rtc_flag();
     }
 
 	return TRUE;
@@ -2280,4 +2280,26 @@ UINT8 sf_cardv_battery_value_get(void)
 UINT8 sf_cardv_battery_type_get(void)
 {
 	return batteryType;
+}
+
+/*************************************************
+  Function:    sf_is_flash_voltage_abnormal   
+  Description: Is it lower than the flash safe voltage
+  Input:  N/A     
+  Output: N/A         
+  Return: TRUE/FALSE    
+  Others: N/A        
+*************************************************/
+BOOL sf_is_flash_voltage_abnormal(void)
+{
+
+	printf("batteryVal=%d batteryType=%d \n", batteryVal, batteryType);
+
+	if((/*SF_POWER_TYPE_DC*/1 != batteryType) && (batteryVal < 55) && (batteryVal < 55))
+	{
+		printf("low battery no write flash\n");
+		return TRUE;
+	}
+
+	return FALSE;
 }
\ No newline at end of file