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 aa6427f95..afb53979c 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -329,14 +329,14 @@ UINT8 sf_get_fw_update(void)
 
 void sf_set_fw_update(UINT8 flag)
 {
-    SF_MESSAGE_BUF_S stMessageBuf = {0};
+    /*SF_MESSAGE_BUF_S stMessageBuf = {0};
     if(FwUpdate != flag)
     {
         stMessageBuf.arg2 = flag;
         stMessageBuf.arg1 = SF_PARA_CMD_FWUP;
         stMessageBuf.cmdId = CMD_PARA;
         sf_com_message_send_to_app(&stMessageBuf);
-    }
+    }*/
 	FwUpdate = flag;
 }
 
@@ -1294,27 +1294,6 @@ BOOL sf_cmd_usb_mux_s(unsigned char argc, char **argv)
 	return TRUE;
 }
 
-/*************************************************
-  Function:     sf_signal_led_show  
-  Description: signal led show
-  Input:  signal level     
-  Output: N/A         
-  Return: N/A        
-  Others: N/A        
-*************************************************/
-void sf_signal_led_show(UINT8 signalLevel)
-{
-	if(signalLevel == 0)
-		sf_sys_status_led_set(SF_LED_SYS_STATE_GPRS_SIGNAL_0);
-	else if (signalLevel == 1)
-		sf_sys_status_led_set(SF_LED_SYS_STATE_GPRS_SIGNAL_1);
-	else if (signalLevel == 2)
-		sf_sys_status_led_set(SF_LED_SYS_STATE_GPRS_SIGNAL_2);
-	else if (signalLevel == 3)
-		sf_sys_status_led_set(SF_LED_SYS_STATE_GPRS_SIGNAL_3);
-	else
-		sf_sys_status_led_set(SF_LED_SYS_STATE_GPRS_SIGNAL_4);
-}
 /*************************************************
   Function: sf_rtsp_stop
   Description: 
@@ -1619,7 +1598,8 @@ static SINT32 sf_cardv_proccess_cmd_wifi(SF_MESSAGE_BUF_S *pMessageBuf)
 	switch(pMessageBuf->arg1)
 	{
 		case SF_WIFI_CMD_START:
-            sf_cardv_wifi_start();
+            if((0 == sf_get_fw_update()) && (sf_get_mode_flag()))
+                sf_cardv_wifi_start();
 			break;
         
         case SF_WIFI_CMD_STOP:
@@ -1998,7 +1978,7 @@ void* sf_sys_do_upgrade(void *arg)
     }
     else{
         sf_mcu_reg_set(SF_MCU_SOFT_UPDATE, 1);
-        sf_set_fw_update(1);
+        //sf_set_fw_update(1);
         sf_set_send_statu(TRUE);
         sf_sys_status_led_set(SF_LED_SYS_STATE_UPDATE);
         //BKG_PostEvent(NVTEVT_BKW_FW_UPDATE);
@@ -2011,7 +1991,7 @@ void* sf_sys_do_upgrade(void *arg)
             Save_MenuInfo();
             //sync();
         }
-        //sf_mcu_reg_set(SF_MCU_SOFT_UPDATE, 1);
+        sf_mcu_reg_set(SF_MCU_SOFT_UPDATE, 0);
         sf_set_send_statu(FALSE);
         if(PWR_ON_SETUP == sf_cardv_convert_power_on_mode()){
             vos_util_delay_ms(1000);
@@ -2019,7 +1999,7 @@ void* sf_sys_do_upgrade(void *arg)
         }
 
     }
-    sf_set_fw_update(0);
+    //sf_set_fw_update(0);
 	UpgradeTskParam.IsRun = 2;
 
 	return NULL;