diff --git a/helpers/DeviceGrid.php b/helpers/DeviceGrid.php
index 21596305..549d9ea1 100644
--- a/helpers/DeviceGrid.php
+++ b/helpers/DeviceGrid.php
@@ -34,25 +34,24 @@ class DeviceGrid extends CommonGrid {
         };
     }
 
+    public static function openDoorHeader() {
+        return function($model, $index, $widget, $grid) {
+            return [
+                'class' => 'text-center',
+                'onclick' => "common.form(this, '', true);",
+                'data-href' => Url::to(['doors', 'id' => $model->id])
+            ];
+        };
+    }
+
     public static function openDoor() {
         return function($model) {
-            $doors = Door::find()->andWhere(["device_id" => $model->id])->count();
-            return Html::button("<i class='fa fa-list'></i> Danh sách cửa " . Html::label($doors, "", ["class" => "label label-danger"]), [
-                        'class' => 'btn btn-info',
-                        'data' => [
-                            'href' => Url::to(['doors', 'id' => $model->id])
-                        ],
-                        'onclick' => "common.form(this, '', true);"
-            ]);
-//            foreach ($doors as $key => $value) {
-//                $html .= Html::button($value->code, [
-//                            'class' => 'btn btn-info',
-//                            'data' => ['toggle' => 'tooltip', 'href' => Url::to(['open-door', 'id' => $model->id, 'door' => $value->code])],
-//                            'title' => \Yii::t('app', 'Mở cửa'),
-//                            'onclick' => "openDoor(this);"
-//                        ]) . "&nbsp;";
-//            }
-//            return $html;
+            $doors = Door::find()->andWhere(["device_id" => $model->id])->all();
+            $ls = [];
+            foreach ($doors as $key => $value) {
+                $ls[] = $value->name;
+            }
+            return implode("<br>", $ls);
         };
     }
 
diff --git a/views/device/index.tpl b/views/device/index.tpl
index c3a7f7d4..e8f76871 100644
--- a/views/device/index.tpl
+++ b/views/device/index.tpl
@@ -117,7 +117,7 @@
                     'attribute' => 'door',
                     'format' => 'raw',
                     'headerOptions' => ['style' => 'width:10%'],    
-                    'contentOptions' => ['class' => 'text-center'],   
+                    'contentOptions' => \app\helpers\DeviceGrid::openDoorHeader(),
                     'value' => \app\helpers\DeviceGrid::openDoor()
                 ]
             ],