diff --git a/html/config/calibrate.php b/html/config/calibrate.php
index 7f9f616..a5ddf3d 100644
--- a/html/config/calibrate.php
+++ b/html/config/calibrate.php
@@ -19,12 +19,12 @@ $numberofsensor=intval($ini['DEVICE INFO']['TotalSpectrometer']);
 $numberofFS=0;
     for($i=0;$i<$numberofsensor;$i++){
         $tempsens=$ini['FS'.($i+1)]['Model'];
-        if ($sensorType=$tempsens)
+        if ($sensorType==$tempsens)
         {
             $numberofFS=$i+1;
             break;
         }
-        if ($i=$numberofsensor-1)
+        if ($i==$numberofsensor-1)
         {
             echo "cannot find the sensor";
             return;
@@ -49,7 +49,7 @@ if ($position==1)
       $cmd = 'sudo /home/pi/bin/ocean_optics_calibration_console --deviceType OceanOptics -t 30 -slfs ocean_optics.lmp --cfon FSN'.$sensorType.$position.'.data --position '.$position.' --integratingSphereDetectorValue '.$nite;
     }
     else{
-        $port=$ini['FS'.$i+1]['Port'];
+        $port=$ini['FS'.($i+1)]['Port'];
         getonestring($port,'/');
         getonestring($port,'/');
         $cmd = 'sudo /home/pi/bin/ocean_optics_calibration_console --deviceType OPTOSKY --serialPort '.$port.' -t 30 -slfs ocean_optics.lmp --cfon FSN'.$sensorType.$position.'.data --position '.$position.' --integratingSphereDetectorValue '.$nite;
@@ -64,7 +64,7 @@ else
     {
       $cmd = 'sudo /home/pi/bin/ocean_optics_calibration_console --deviceType OceanOptics -t 30 -slfs 4000nit.dat --cfon FSN'.$sensorType.$position.'.data --position '.$position.' --integratingSphereDetectorValue '.$nite;
     }else{
-        $port=$ini['FS'.$i+1]['Port'];
+        $port=$ini['FS'.($i+1)]['Port'];
         getonestring($port,'/');
         getonestring($port,'/');
         $cmd = 'sudo /home/pi/bin/ocean_optics_calibration_console --deviceType OPTOSKY --serialPort '.$port.' -t 30 -slfs 4000nit.dat --cfon FSN'.$sensorType.$position.'.data --position '.$position.' --integratingSphereDetectorValue '.$nite;
diff --git a/othersoft/install.sh b/othersoft/install.sh
index c14dfb8..6ff263c 100644
--- a/othersoft/install.sh
+++ b/othersoft/install.sh
@@ -42,5 +42,8 @@ cd /root/filebrew
 chmod +x ./filebrowser
 ./filebrowser config set -a 0.0.0.0
 ./filebrowser config set -r /home/data
-
+sudo apt-get install -y timedatectl
+timedatectl set-timezone Asia/Shanghai
+date -R
+sudo hwclock -w -f /dev/rtc0
 #tc