diff --git a/code/application/source/sf_app/code/include/sf_system.h b/code/application/source/sf_app/code/include/sf_system.h
index 337efbac7..cdc3a7e1b 100755
--- a/code/application/source/sf_app/code/include/sf_system.h
+++ b/code/application/source/sf_app/code/include/sf_system.h
@@ -63,6 +63,7 @@ SINT32 sf_app_load_ko_start(void);
 SINT32 sf_app_mcu_para_start(void);
 SINT32 app_auto_poweroff_start(void);
 UINT8 sf_check_power_on_mode(void);
+void sf_power_off_msg_to_cardv(void);
 #ifdef __cplusplus
 #if __cplusplus
 }
diff --git a/code/application/source/sf_app/code/source/app/sf_system.c b/code/application/source/sf_app/code/source/app/sf_system.c
index 1c71c6be5..8b05728ce 100755
--- a/code/application/source/sf_app/code/source/app/sf_system.c
+++ b/code/application/source/sf_app/code/source/app/sf_system.c
@@ -894,7 +894,6 @@ UINT8 *sf_versionGet(UINT8 ver[],UINT8 fea[])
 *************************************************/
 void sf_power_off(void)
 {	
-    SF_MESSAGE_BUF_S stMessageBuf = {0};
     UINT8 PowerOnMode = sf_poweron_type_get();
 	printf("[%s:%d] s\n", __FUNCTION__, __LINE__);
     if(SF_FAILURE == sf_check_sd())
@@ -935,11 +934,7 @@ void sf_power_off(void)
     sf_power_off_check_ui_para_sava();
     sf_statistics_param_save(psfPara);
 
-    MLOGI(" SF_KEY_PIN_AOTU_MODE_POWOFF CMD_KEY\n");
-    stMessageBuf.cmdId = CMD_KEY;
-    stMessageBuf.arg1 = SF_EVENT_KEY_SHORT_CLICK;
-    stMessageBuf.arg2 = SF_KEY_PIN_AOTU_MODE_POWOFF;//auto mode powoff
-    sf_com_message_send_to_cardv(&stMessageBuf);
+    sf_power_off_msg_to_cardv();
 	printf("[%s:%d] e\n", __FUNCTION__, __LINE__);
 }
 pthread_cond_t condition;
@@ -1481,4 +1476,22 @@ SINT32 sf_app_mcu_para_stop(void)
 		return ret;
     }
 	return SF_SUCCESS;
+}
+
+/*************************************************
+   Function:    sf_power_off_msg_to_cardv
+   Description: power off
+   Input:  N/A
+   Output: N/A
+   Return: N/A
+   Others: N/A
+*************************************************/
+void sf_power_off_msg_to_cardv(void)
+{
+    SF_MESSAGE_BUF_S stMessageBuf = {0};
+    SLOGI(" SF_KEY_PIN_AOTU_MODE_POWOFF CMD_KEY\n");
+    stMessageBuf.cmdId = CMD_KEY;
+    stMessageBuf.arg1 = SF_EVENT_KEY_SHORT_CLICK;
+    stMessageBuf.arg2 = SF_KEY_PIN_AOTU_MODE_POWOFF;//auto mode powoff
+    sf_com_message_send_to_cardv(&stMessageBuf);
 }
\ No newline at end of file
diff --git a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
index 00c697923..06c8d0c2a 100755
--- a/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
+++ b/code/application/source/sf_app/code/source/systemMng/sf_commu_mcu_reg.c
@@ -30,7 +30,9 @@
 #include <sf_device.h>
 #include <sf_dev_usb.h>
 #include "sf_common.h"
+#include "sf_param_common.h"
 #include "sf_sms.h"
+#include "sf_system.h"
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
@@ -128,12 +130,15 @@ unsigned char sf_mcu_power_on_para_get (MCUParam_t attrId)
 {
 	unsigned char dataTemp1 = 0, dataTemp2 = 0;
 	unsigned char startMode = 0;
+    unsigned char startModetmp = sf_poweron_type_get();
+    int startflag = 1;
 	//unsigned char mcuVer = 0;
     unsigned char mcuReg[REG_SIZE] = { 0 };
 	unsigned char mcuData[REG_SIZE] = { 0 };
     unsigned char i = 0;
     SF_TIME_S time;
 
+    SF_CHK_STARTMODE:
 	if(attrId == SF_MCU_STARTMODE)
 	{
 		sf_mcu_read(START_MODE, &dataTemp1);
@@ -163,15 +168,29 @@ unsigned char sf_mcu_power_on_para_get (MCUParam_t attrId)
     	IRSHTTER = (dataTemp2 << 8) | dataTemp1;
 	}
 
+    if((startMode != startModetmp) && (startflag))
+    {
+        startflag = 0;
+        sf_sleep_ms(200);
+        goto SF_CHK_STARTMODE;
+    }
 	printf(" start mode = %d IRSHTTER = %d McuVersion:%d.%d.%d\n", startMode, IRSHTTER, (McuVersion>>8)&0xFF, McuVersion & 0xFF, McuSubVersion);
     sf_mcu_rtc_get(&time);
-    if(SF_TRUE == sf_sys_rtc_time_check((SF_PARA_TIME_S*)&time)){
-        sf_sys_rtc_time_set((SF_PARA_TIME_S*)&time);
-    }else{
-        sf_sys_rtc_time_reset();
+    if(startMode == startModetmp)
+    {
+        if(SF_TRUE == sf_sys_rtc_time_check((SF_PARA_TIME_S*)&time)){
+            sf_sys_rtc_time_set((SF_PARA_TIME_S*)&time);
+        }else{
+            sf_sys_rtc_time_reset();
+        }
     }
-    sf_poweron_type_set(startMode);
-    if(SF_MCU_STARTUP_ONKEY == startMode)
+    else
+    {
+        sf_power_off_msg_to_cardv();
+    }
+    //sf_poweron_type_set(startMode);
+    
+    if(SF_MCU_STARTUP_ONKEY == startModetmp)
         ConfigureModeFlag = 1;
 	//McuPowerOnMode = startMode;
     return startMode;