diff --git a/BSP/root-fs/rootfs/etc_Model/etc_565_HUNTING_EVB_LINUX_4G_S550/init.d/S07_SysInit b/BSP/root-fs/rootfs/etc_Model/etc_565_HUNTING_EVB_LINUX_4G_S550/init.d/S07_SysInit
index 7ece30fb3..695b6503f 100755
--- a/BSP/root-fs/rootfs/etc_Model/etc_565_HUNTING_EVB_LINUX_4G_S550/init.d/S07_SysInit
+++ b/BSP/root-fs/rootfs/etc_Model/etc_565_HUNTING_EVB_LINUX_4G_S550/init.d/S07_SysInit
@@ -1,14 +1,72 @@
 #!/bin/sh
 
+KERVER=`cat /proc/version | awk -F'version ' '{print $2}' | awk -F' ' '{print $1}'`
+
 device_node_create()
 {
 	mknod /dev/$1 c `cat /sys/class/$1/$1/dev | sed "s/:/\ /g"`
 }
 
+P_GPIO0=32
+P_GPIO1=33
+DELAY=0.003
+
+echo ${P_GPIO0} > /sys/class/gpio/export
+echo ${P_GPIO1} > /sys/class/gpio/export
+
+sleep ${DELAY}
+
+echo "out" > /sys/devices/gpiochip0/gpio/gpio${P_GPIO0}/direction
+echo "out" > /sys/devices/gpiochip0/gpio/gpio${P_GPIO1}/direction
+
+echo 1 > /sys/devices/gpiochip0/gpio/gpio${P_GPIO0}/value
+echo 1 > /sys/devices/gpiochip0/gpio/gpio${P_GPIO1}/value
+
+sleep ${DELAY}
+
+echo "insert adc ko"
+mem bit 0xF0020074 3 0
+insmod /lib/modules/$KERVER/kernel/drivers/iio/industrialio.ko
+insmod /lib/modules/$KERVER/kernel/drivers/iio/adc/nvt_adc.ko
+mem bit 0xF0020074 3 1
+
 # Setup mdev
 echo "fs" > /proc/nvt_info/bootts
 echo "/sbin/mdev" > /proc/sys/kernel/hotplug
 #modprobe mmc_na51055
+
+if [ 1 ] ; then
+
+sleep ${DELAY}
+
+echo 0x5 > /proc/adc
+cat /sys/bus/iio/devices/iio\:device0/in_voltage0_raw
+echo 0x3 > /proc/adc
+sleep ${DELAY}
+
+echo 1 > /sys/devices/gpiochip0/gpio/gpio${P_GPIO0}/value
+echo 0 > /sys/devices/gpiochip0/gpio/gpio${P_GPIO1}/value
+sleep ${DELAY}
+cat /sys/bus/iio/devices/iio\:device0/in_voltage0_raw
+echo 0x1 > /proc/adc
+sleep ${DELAY}
+
+echo 0 > /sys/devices/gpiochip0/gpio/gpio${P_GPIO0}/value
+echo 0 > /sys/devices/gpiochip0/gpio/gpio${P_GPIO1}/value
+sleep ${DELAY}
+cat /sys/bus/iio/devices/iio\:device0/in_voltage0_raw
+echo 0x0 > /proc/adc
+sleep ${DELAY}
+
+echo 0 > /sys/devices/gpiochip0/gpio/gpio${P_GPIO0}/value
+echo 1 > /sys/devices/gpiochip0/gpio/gpio${P_GPIO1}/value
+sleep ${DELAY}
+echo 0x2 > /proc/adc
+sleep ${DELAY}
+cat /sys/bus/iio/devices/iio\:device0/in_voltage0_raw
+
+fi
+
 mdev -s
 
 # Scan for without insert card
diff --git a/BSP/root-fs/rootfs/etc_Model/etc_565_HUNTING_EVB_LINUX_4G_S550/init.d/S10_SysInit2 b/BSP/root-fs/rootfs/etc_Model/etc_565_HUNTING_EVB_LINUX_4G_S550/init.d/S10_SysInit2
index f2bdc2ac1..b0fd48c7d 100755
--- a/BSP/root-fs/rootfs/etc_Model/etc_565_HUNTING_EVB_LINUX_4G_S550/init.d/S10_SysInit2
+++ b/BSP/root-fs/rootfs/etc_Model/etc_565_HUNTING_EVB_LINUX_4G_S550/init.d/S10_SysInit2
@@ -132,13 +132,13 @@ fi
 
 #iio & adc (for keyscan)
 
-if [[ -f ${PREFIX}/lib/modules/$KERVER/kernel/drivers/iio/industrialio.ko ]]; then
-insmod ${PREFIX}/lib/modules/$KERVER/kernel/drivers/iio/industrialio.ko
-fi
+#if [[ -f ${PREFIX}/lib/modules/$KERVER/kernel/drivers/iio/industrialio.ko ]]; then
+#insmod ${PREFIX}/lib/modules/$KERVER/kernel/drivers/iio/industrialio.ko
+#fi
 
-if [[ -f ${PREFIX}/lib/modules/$KERVER/kernel/drivers/iio/adc/nvt_adc.ko ]]; then
-insmod ${PREFIX}/lib/modules/$KERVER/kernel/drivers/iio/adc/nvt_adc.ko
-fi
+#if [[ -f ${PREFIX}/lib/modules/$KERVER/kernel/drivers/iio/adc/nvt_adc.ko ]]; then
+#insmod ${PREFIX}/lib/modules/$KERVER/kernel/drivers/iio/adc/nvt_adc.ko
+#fi
 
 #usb
 #if [[ -f ${PREFIX}/lib/modules/$KERVER/hdal/comm/uvcp/nvt_uvcp.ko ]]; then
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 9ae1ae00f..25787d683 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
@@ -106,7 +106,8 @@ UINT32 sf_battery_voltage_convert(UINT32 resistanceGnd, UINT32 resistanceVin, UI
 	//volt = 27  * adcVal * (resistanceGnd + resistanceVin) / resistanceGnd / 2696;
     if(adcVal)
     {
-        volt = (27  * adcVal + 554) / 539;
+        //volt = (27  * adcVal + 554) / 539;
+		volt = 27  * adcVal * (resistanceGnd + resistanceVin) / resistanceGnd / 2696;
     }
 	return volt;
 }
@@ -131,7 +132,8 @@ UINT32 sf_aa_battery_voltage_convert(UINT32 resistanceGnd, UINT32 resistanceVin,
 	//volt = 27  * adcVal * (resistanceGnd + resistanceVin) / resistanceGnd / 511;
     if(adcVal)
     {
-	    volt = (27  * adcVal + 3097) / 531;
+		volt = 27  * adcVal * (resistanceGnd + resistanceVin) / resistanceGnd / 2696;
+	    //volt = (27  * adcVal + 3097) / 531;
     }
 	return volt;
 }
@@ -144,7 +146,8 @@ UINT32 sf_battery_convert_to_adc(UINT32 resistanceGnd, UINT32 resistanceVin, UIN
 	//adcVal = volt * resistanceGnd * 2696 / 27 / (resistanceGnd + resistanceVin);
     if(volt)
     {
-        adcVal = (volt * 539 - 554) / 27;
+        //adcVal = (volt * 539 - 554) / 27;
+		adcVal = volt * resistanceGnd * 2696 / 27 / (resistanceGnd + resistanceVin);
     }
 	return adcVal;
 }
@@ -157,7 +160,8 @@ UINT32 sf_aa_battery_convert_to_adc(UINT32 resistanceGnd, UINT32 resistanceVin,
 	//adcVal = volt * resistanceGnd * 2696 / 27 / (resistanceGnd + resistanceVin);
     if(volt)
     {
-        adcVal = (volt * 531 - 3097) / 27;
+        //adcVal = (volt * 531 - 3097) / 27;
+		adcVal = volt * resistanceGnd * 2696 / 27 / (resistanceGnd + resistanceVin);
     }
 	return adcVal;
 }
@@ -208,6 +212,7 @@ UINT32 sf_adc_value_get(UINT32 mux, UINT32 *pval)
 {
 	static UINT8 getAdcFlg = 0;
 	//static UINT8 outputflag = 1;
+	UINT32 adc_device_delay_time_ms = 100;
     *pval = 0;
 
 	if(getAdcFlg)
@@ -222,6 +227,8 @@ UINT32 sf_adc_value_get(UINT32 mux, UINT32 *pval)
         //B:0 A:0
         gpio_set_value(SF_ADC_MUXA, 0);//adc_muxa
         gpio_set_value(SF_ADC_MUXB, 0);//adc_muxb
+        vos_util_delay_ms(1);
+        *pval = adc_readVoltage_channel0_avg(0, adc_device_delay_time_ms);
     }
     else if(SF_ADC_LI == mux)//v-li_det
     {
@@ -229,23 +236,28 @@ UINT32 sf_adc_value_get(UINT32 mux, UINT32 *pval)
         gpio_set_value(SF_ADC_MUXA, 1);//adc_muxa
         gpio_set_value(SF_ADC_MUXB, 0);//adc_muxb
 
+        vos_util_delay_ms(1);
+        *pval = adc_readVoltage_channel0_avg(1, adc_device_delay_time_ms);
     }
     else if(SF_ADC_DC == mux)//dc12_det
     {
         //B:1 A:0
         gpio_set_value(SF_ADC_MUXA, 0);//adc_muxa
         gpio_set_value(SF_ADC_MUXB, 1);//adc_muxb
+        adc_readVoltage_channel0_avg(2, adc_device_delay_time_ms);
+
+        vos_util_delay_ms(1);
+        *pval = adc_readVoltage(0);
     }
     else if(SF_ADC_TEMP == mux)//temp_det
     {
         //B:1 A:1
         gpio_set_value(SF_ADC_MUXA, 1);//adc_muxa
         gpio_set_value(SF_ADC_MUXB, 1);//adc_muxb
+		vos_util_delay_ms(1);
+        *pval = adc_readVoltage_channel0_avg(3, adc_device_delay_time_ms);
     }
 
-    vos_util_delay_ms(1);
-
-    *pval = adc_readVoltage(0);
     //*pval = adc_readData(0);
     //printf("[%s:%d] *pval:%d\n", __FUNCTION__, __LINE__,*pval);
     getAdcFlg = 0;