fix issue

templates/custom/task_wait_count.tmpl

@@ -12,7 +12,7 @@
         var specsSelEl = $('select#__specs__');
         var seldOption = specsSelEl.find('option:selected');
         var queueCode = seldOption.attr('queueCode');
-        $('span.__task_wait_count__').text(queuesDetail[queueCode]+1);
+        $('span.__task_wait_count__').text((queuesDetail[queueCode] || 0) +1);
       };
       $('body').on('change', 'select#__specs__', function(e) {
         changeSpecs();