diff --git a/bin/roadrunner/cron-worker.php b/bin/roadrunner/cron.php
similarity index 100%
rename from bin/roadrunner/cron-worker.php
rename to bin/roadrunner/cron.php
diff --git a/module/cron/control.php b/module/cron/control.php
index 2aa3da6d0c..085bc408c6 100644
--- a/module/cron/control.php
+++ b/module/cron/control.php
@@ -120,6 +120,55 @@ class cron extends control
         return print(js::reload('parent'));
     }
 
+    /**
+     * Ajax run cron job.
+     *
+     * @access public
+     * @return void
+     */
+    public function ajaxSchedule()
+    {
+        if(empty($this->config->global->cron)) return;
+
+        /* Zand queue. */
+        $zand  = $this->app->loadClass('zand');
+        $queue = $zand->connectQueue('crons');
+
+        /* Schedule loop. */
+        $cronTimes = array();
+        while(true)
+        {
+            /* Get and parse crons. */
+            $crons       = $this->cron->getCrons('nostop');
+            $parsedCrons = $this->cron->parseCron($crons);
+
+            $now = date(DT_DATETIME1);
+            foreach($parsedCrons as $id => $cron)
+            {
+                $cronInfo = $crons[$id];
+
+                /* Skip empty and stop cron.*/
+                if(empty($cronInfo) or $cronInfo->status == 'stop') continue;
+
+                if(!$cron['command'] || !isset($crons[$id])) continue;
+
+                /* Check time. */
+                $cronTime = $cron['time']->format(DT_DATETIME1);
+                if(!isset($cronTimes[$id])) $cronTimes[$id] = $cronTime;
+
+                if($now < $cronTimes[$id]) continue;
+
+                /* Push message into queue. */
+                $message = array('id' => $id, 'type' => $crons[$id]->type, 'command' => $cron['command']);
+                $queue->push($message);
+
+                $cronTimes[$id] = $cron['cron']->getNextRunDate()->format(DT_DATETIME1);
+            }
+
+            sleep(10);
+        }
+    }
+
     /**
      * Ajax exec cron.
      *
@@ -129,12 +178,13 @@ class cron extends control
      */
     public function ajaxExec($restart = false)
     {
-        if ('cli' !== PHP_SAPI)
+        if('cli' !== PHP_SAPI)
         {
             ignore_user_abort(true);
             set_time_limit(0);
             session_write_close();
         }
+
         /* Check cron turnon. */
         if(empty($this->config->global->cron)) return;
 
@@ -176,10 +226,13 @@ class cron extends control
             foreach($parsedCrons as $id => $cron)
             {
                 $cronInfo = $this->cron->getById($id);
+
                 /* Skip empty and stop cron.*/
                 if(empty($cronInfo) or $cronInfo->status == 'stop') continue;
+
                 /* Skip cron that status is running and run time is less than max. */
                 if($cronInfo->status == 'running' and (time() - strtotime($cronInfo->lastTime)) < $this->config->cron->maxRunTime) continue;
+
                 /* Skip cron that last time is more than this cron time. */
                 if('cli' === PHP_SAPI)
                 {
diff --git a/module/cron/model.php b/module/cron/model.php
index ae28602815..adc26282f3 100644
--- a/module/cron/model.php
+++ b/module/cron/model.php
@@ -76,7 +76,7 @@ class cronModel extends model
                 }
             }
         }
-        $this->dao->update(TABLE_CRON)->set('lastTime')->eq(date(DT_DATETIME1))->where('lastTime')->eq('0000-00-00 00:00:00')->andWhere('status')->ne('stop')->exec();
+        $this->dao->update(TABLE_CRON)->set('lastTime')->eq(date(DT_DATETIME1))->where('`lastTime` IS NULL')->andWhere('status')->ne('stop')->exec();
         return $parsedCrons;
     }
 
@@ -171,7 +171,7 @@ class cronModel extends model
      */
     public function checkChange()
     {
-        $updatedCron = $this->dao->select('*')->from(TABLE_CRON)->where('lastTime')->eq('0000-00-00 00:00:00')->andWhere('status')->ne('stop')->fetch();
+        $updatedCron = $this->dao->select('*')->from(TABLE_CRON)->where('`lastTime` IS NULL')->andWhere('status')->ne('stop')->fetch();
         return $updatedCron ? true : false;
     }
 
@@ -185,7 +185,6 @@ class cronModel extends model
     {
         $cron = fixer::input('post')
             ->add('status', 'normal')
-            ->add('lastTime', '0000-00-00 00:00:00')
             ->skipSpecial('m,h,dom,mon,dow,command')
             ->get();
 
@@ -217,7 +216,7 @@ class cronModel extends model
     public function update($cronID)
     {
         $cron = fixer::input('post')
-            ->add('lastTime', '0000-00-00 00:00:00')
+            ->add('lastTime', NULL)
             ->skipSpecial('m,h,dom,mon,dow,command')
             ->get();
 
diff --git a/module/cron/ui/index.html.php b/module/cron/ui/index.html.php
index 81a1ce05d8..69664669a5 100644
--- a/module/cron/ui/index.html.php
+++ b/module/cron/ui/index.html.php
@@ -20,8 +20,8 @@ foreach($crons as $cron)
     if(!empty($cron->command) and common::hasPriv('cron', 'edit'))   $actionsHtml .= html::a(inlink('edit', "id=$cron->id"), $lang->edit, '', "class='primary-500'");
     if($cron->buildin == 0 and common::hasPriv('cron', 'delete'))    $actionsHtml .= html::a('###', $lang->delete, '', "class='primary-500 ajaxDelete' data-id={$cron->id}");
 
-    $cron->actions  = $actionsHtml;
-    $cron->lastTime = substr($cron->lastTime, 2, 17);
+    $cron->actions = $actionsHtml;
+    if($cron->lastTime) $cron->lastTime = substr($cron->lastTime, 2, 17);
 }
 
 panel