更新

@@ -9,7 +9,7 @@
     <div class="form-group">
     <div class="form-group">
         <label class="control-label col-xs-12 col-sm-2">{:__('Title')}:</label>
         <label class="control-label col-xs-12 col-sm-2">{:__('Title')}:</label>
         <div class="col-xs-12 col-sm-8">
         <div class="col-xs-12 col-sm-8">
-            <input id="c-title" class="form-control" name="row[title]" type="text">
+            <input id="c-title" class="form-control" data-rule="required;length(1~20)" name="row[title]" type="text">
         </div>
         </div>
     </div>
     </div>
     <div class="form-group">
     <div class="form-group">