Update install.sh

Author: HamedAp

install.sh

@@ -279,7 +279,7 @@ crontab -l | grep -v '/p/posttraffic.php'  | crontab  -
 crontab -l | grep -v '/p/synctraffic.php'  | crontab  -
 crontab -l | grep -v 'p/killusers.sh'  | crontab  -
 crontab -l | grep -v 'p/versioncheck.php'  | crontab  -
-(crontab -l ; echo "* */3 * * * php /var/www/html/p/versioncheck.php >/dev/null 2>&1
+(crontab -l ; echo "1 1-23/2 * * * php /var/www/html/p/versioncheck.php >/dev/null 2>&1
 * * * * * php /var/www/html/p/expire.php >/dev/null 2>&1
 * * * * * php /var/www/html/p/posttraffic.php >/dev/null 2>&1
 * * * * * bash /var/www/html/p/killusers.sh >/dev/null 2>&1" ) | crontab - &