diff --git a/sai/modules/saimod_sys_cron/js/saimod_sys_cron.js b/sai/modules/saimod_sys_cron/js/saimod_sys_cron.js
index 26168a4..b6accd2 100644
--- a/sai/modules/saimod_sys_cron/js/saimod_sys_cron.js
+++ b/sai/modules/saimod_sys_cron/js/saimod_sys_cron.js
@@ -50,7 +50,12 @@ function register_cron_add(){
                         month: month},
                 type: 'GET',
                 success: function(data) {
-                        console.log("new cronjob added");
+                    if(data.status){
+                        $('#content-wrapper').load(SAI_ENDPOINT + 'sai_mod=.SYSTEM.SAI.saimod_sys_cron',function(){
+                            init__SYSTEM_SAI_saimod_sys_cron();
+                        });
+                    }else{
+                        alert('Problem: '+data);}
                 }
         });
     });
diff --git a/sai/modules/saimod_sys_cron/saimod_sys_cron.php b/sai/modules/saimod_sys_cron/saimod_sys_cron.php
index 49da9b7..4038218 100644
--- a/sai/modules/saimod_sys_cron/saimod_sys_cron.php
+++ b/sai/modules/saimod_sys_cron/saimod_sys_cron.php
@@ -17,6 +17,8 @@ class saimod_sys_cron extends \SYSTEM\SAI\SaiModule {
     public static function sai_mod__system_sai_saimod_sys_cron_action_add($cls,$min,$hour,$day,$day_week,$month){
         if(!\SYSTEM\SECURITY\Security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI_CRON)){
             throw new \SYSTEM\LOG\ERROR("You dont have edit Rights - Cant proceeed");}
+        if(!\SYSTEM\CRON\cron::check($cls)){
+            throw new \SYSTEM\LOG\ERROR("Given Class is not a CronJob");}
         \SYSTEM\DBD\SYS_SAIMOD_CRON_ADD::QI(array($cls,$min,$hour,$day,$day_week,$month));
         return \SYSTEM\LOG\JsonResult::ok();
     }
diff --git a/sai/modules/saimod_sys_cron/tpl/tabs.tpl b/sai/modules/saimod_sys_cron/tpl/tabs.tpl
index e426171..e79d3fb 100644
--- a/sai/modules/saimod_sys_cron/tpl/tabs.tpl
+++ b/sai/modules/saimod_sys_cron/tpl/tabs.tpl
@@ -20,11 +20,11 @@
             ${content}
             <tr>
                 <td><input type="text" id="input_cron_class" placeholder="class" style="width: 200px;"></td>
-                <td><input type="text" id="input_cron_min" placeholder="min" style="width: 40px;"></td>
-                <td><input type="text" id="input_cron_hour" placeholder="hour" style="width: 40px;"></td>
-                <td><input type="text" id="input_cron_day" placeholder="day" style="width: 40px;"></td>
-                <td><input type="text" id="input_cron_day_week" placeholder="day_week" style="width: 40px;"></td>
-                <td><input type="text" id="input_cron_month" placeholder="month" style="width: 40px;"></td>
+                <td><input type="text" id="input_cron_min" placeholder="min" value="0" style="width: 40px;"></td>
+                <td><input type="text" id="input_cron_hour" placeholder="hour" value="0" style="width: 40px;"></td>
+                <td><input type="text" id="input_cron_day" placeholder="day" value="0" style="width: 40px;"></td>
+                <td><input type="text" id="input_cron_day_week" placeholder="day_week" value="0" style="width: 40px;"></td>
+                <td><input type="text" id="input_cron_month" placeholder="month" value="0" style="width: 40px;"></td>
                 <td></td>
                 <td></td>
                 <td></td>
diff --git a/sai/modules/saimod_sys_log/tpl/saimod_sys_log_stats.tpl b/sai/modules/saimod_sys_log/tpl/saimod_sys_log_stats.tpl
index 1130667..a004b46 100644
--- a/sai/modules/saimod_sys_log/tpl/saimod_sys_log_stats.tpl
+++ b/sai/modules/saimod_sys_log/tpl/saimod_sys_log_stats.tpl
@@ -14,7 +14,7 @@
                 <option value="43200">12h</option>
                 <option value="21600">6h</option>
                 <option value="14400">4h</option>
-                <option value="172800">2h</option>
+                <option value="7200">2h</option>
                 <option value="3600">1h</option>
                 <option value="1800">30m</option>
                 <option value="600">10m</option>