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 43f5905a0..d75d55dc0 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
@@ -1082,7 +1082,6 @@ SINT32 sf_app_battery_start(void)
 		SLOGE("thread has already run !!!\n");
 		return SF_FAILURE;
 	}
-    sf_adc_init();
 	printf("[sf_app_battery_start]thread start\n");
 	ret = pthread_create(&BatteryTskCfg.TskId, NULL, sf_battery_check_thread, NULL);
 	if(ret != SF_SUCCESS)
@@ -1372,7 +1371,7 @@ void* sf_app_load_ko_thread(void *arg)
 	SLOGI("thread run\n");
 	UsbKoTskCfg.IsRun = 1;
     
-    sf_load_ko();
+    // sf_load_ko();
 
     if(PWR_ON_SETUP == sf_poweron_type_get())
     {
diff --git a/code/application/source/sf_app/code/source/battery/sf_battery.c b/code/application/source/sf_app/code/source/battery/sf_battery.c
index 94f664a04..6f71a07b1 100755
--- a/code/application/source/sf_app/code/source/battery/sf_battery.c
+++ b/code/application/source/sf_app/code/source/battery/sf_battery.c
@@ -49,6 +49,7 @@
 #include "sf_ledmng.h"
 #include "sf_dev_usb.h"
 #include "sf_commu_mcu_reg.h"
+#include <math.h>
 
 #if HUNTING_CAMERA_MCU == ENABLE
 typedef signed int          SINT32;
@@ -447,7 +448,7 @@ UINT32 sf_battery_adc_value_get_once(void)
 		
 		if(_LiPolymerVoltageVal)
 		{
-			printf("[sf_battery_level_polling]is lith battery\n");
+			// printf("[sf_battery_level_polling]is lith battery\n");
 			if(SF_BATT_LI_PACK != puiPara->BatteryType)
 			{
                 puiPara->LiBatteryType = puiPara->BatteryType;
@@ -910,12 +911,12 @@ SINT32 sf_battery_adc_value_get(void)
 void sf_battery_level_polling(void)
 {
 	UINT16 readBatCnt = 0;
-	UINT32 dcTemp = 0;
-	UINT32 batTemp = 0;
-    UINT32 LibatTemp = 0;
+	double dcTemp = 0;
+	double batTemp = 0;
+    double LibatTemp = 0;
     UINT8 LibatCnt = 0;
     UINT8 batCnt = 0;
-    UINT32 temperValue = 0;
+    double temperValue = 0;
     UIMenuStoreInfo *puiPara = sf_app_ui_para_get();
 	static UINT32 prePowerDcStatus = 0;
 
@@ -958,13 +959,13 @@ void sf_battery_level_polling(void)
             }
 			if(readBatCnt >= 10)
 			{
-                _DcVoltageVal = dcTemp / 10;
-                _TemperAdc = temperValue/10;
+                _DcVoltageVal = (UINT32)round(dcTemp / 10);
+                _TemperAdc = (UINT32)round(temperValue / 10);
 
                 if(LibatCnt)
-                    _LiPolymerVoltageVal = LibatTemp / LibatCnt;
+                    _LiPolymerVoltageVal = (UINT32)round(LibatTemp / LibatCnt);
                 if(batCnt)
-                    _BatVoltageVal = batTemp / batCnt;
+                    _BatVoltageVal = (UINT32)round(batTemp / batCnt);
 
                 if((_DcVoltageVal > _LiPolymerVoltageVal) && (_DcVoltageVal >= _BatVoltageVal) && (_DcVoltageVal >= SF_DC_IN_VOLATAGE))
                 {	
@@ -1010,7 +1011,7 @@ void sf_battery_level_polling(void)
     sf_temper_update();
     if(LiPolymerVoltageVal)
     {
-		printf("[sf_battery_level_polling]is lith battery\n");
+		// printf("[sf_battery_level_polling]is lith battery\n");
         if(SF_BATT_LI_PACK != puiPara->BatteryType)
         {
             puiPara->LiBatteryType = puiPara->BatteryType;
@@ -1093,6 +1094,7 @@ void* sf_battery_check_thread(void *arg)
 {
 	//THREAD_ENTRY();
     printf("[%s:%d] s\n", __FUNCTION__, __LINE__);
+    sf_adc_init();
 
     if(sf_is_battery_low(1, 0) == TRUE)
     {