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 879629655..8162ed466 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
@@ -762,6 +762,7 @@ UINT32 sf_gpio_get_status(UINT32 ipin)
 *************************************************/
 void sf_mcu_dataready_ck(UINT8 startMode)
 {
+    static UINT8 McupwrFlag = 0;
 	printf("startMode=%d\n", startMode);
 #if 1
 	if(GxUSB_GetIsUSBPlug())//sf_gpio_get_status(GPIO_INT_USBPLUGIN))
@@ -787,6 +788,11 @@ void sf_mcu_dataready_ck(UINT8 startMode)
                 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);
+                McupwrFlag++;
+            }
+            else if(McupwrFlag){
+                printf("%s:%d power off err\n", __FUNCTION__, __LINE__);
+                system("watchdog -T 1 -t 5 /dev/watchdog");
             }
 		}
 		else if(startMode == 3) //ON
@@ -799,13 +805,18 @@ void sf_mcu_dataready_ck(UINT8 startMode)
 	}
 	else
 	{
-		if((startMode == 0) || (startMode == 1))        //PIR MODE: ON->OFF/ ON->SETUP
+        if((startMode == 0) || (startMode == 1))        //PIR MODE: ON->OFF/ ON->SETUP
 		{
 			gModuleSleep = 0;                       //power off 4G module
             sf_set_power_off_flag(1);
 			printf("[power off] %s(%d)\n", __FUNCTION__, __LINE__);
             Ux_PostEvent(NVTEVT_SYSTEM_SHUTDOWN, 1, 0); //shutdown start
+            McupwrFlag++;
 		}
+        else if(McupwrFlag){
+                printf("%s:%d power off err\n", __FUNCTION__, __LINE__);
+                system("watchdog -T 1 -t 5 /dev/watchdog");
+        }
 	}
 
 #endif