diff --git a/app/frontend/controllers/ModelController.php b/app/frontend/controllers/ModelController.php
index 636be8b..7a3922b 100644
--- a/app/frontend/controllers/ModelController.php
+++ b/app/frontend/controllers/ModelController.php
@@ -189,4 +189,62 @@ public function batchInsertAction(){
         ]);
         var_dump($result);
     }
+
+    public function updateAction(){
+//        $articleModel = new ArticlesModel();
+//        $article = $articleModel->findFirst([
+//            'conditions' => 'aid = :aid:',
+//            'bind' => [
+//                'aid' => 3
+//            ],
+//        ]);
+//        if($article) {
+//            $result = $article->update([
+//                'title' => 'Phalcon更新测试',
+//            ]);
+//            var_dump($result);
+//        }
+
+//        $articleModel = new ArticlesModel();
+//        $articleModel->aid = 3;
+//        $result = $articleModel->update([
+//            'title' => 'Phalcon更新测试',
+//            'introduce' => "Phalcon入门教程2",
+//            'status' => 2,
+//            'view_number' => 2,
+//            'is_recommend' => 1,
+//            'is_top' => 1,
+//            'create_by' => 1,
+//            'create_time' => '2017-07-20 00:00:00',
+//            'modify_by' => 1,
+//            'modify_time' => '2017-07-20 00:00:00',
+//        ]);
+//        if(!$result){
+//            throw new \Exception('数据更新失败');
+//        }
+//        $affectedRows = $this->getDI()->get('db')->affectedRows();
+//        var_dump($result);
+//        var_dump($affectedRows);
+
+        $articleModel = new ArticlesModel();
+        $articleModel->aid = 3;
+        $result = $articleModel->iupdate([
+            'title' => 'Phalcon更新测试',
+        ]);
+        if(!$result){
+            throw new \Exception('数据更新失败');
+        }
+        $affectedRows = $this->getDI()->get('db')->affectedRows();
+        var_dump($result);
+        var_dump($affectedRows);
+    }
+
+    public function deleteAction(){
+        $articleModel = new ArticlesModel();
+        $articleModel->aid = 4;
+        $result = $articleModel->delete();
+        $affectedRows = $this->getDI()->get('db')->affectedRows();
+        var_dump($result);
+        var_dump($affectedRows);
+    }
 }
\ No newline at end of file
diff --git a/app/frontend/models/ArticlesModel.php b/app/frontend/models/ArticlesModel.php
index a445b29..0de497c 100644
--- a/app/frontend/models/ArticlesModel.php
+++ b/app/frontend/models/ArticlesModel.php
@@ -49,4 +49,19 @@ public function batch_insert(array $data){
         }
         return $result;
     }
+
+    /**
+     * 封装phalcon model的update方法，实现仅更新数据变更字段，而非所有字段更新
+     * @param array|null $data
+     * @param null $whiteList
+     * @return bool
+     */
+    public function iupdate(array $data = null, $whiteList = null)
+    {
+        if (count($data) > 0) {
+            $attributes = $this->getModelsMetaData()->getAttributes($this);
+            $this->skipAttributesOnUpdate(array_diff($attributes, array_keys($data)));
+        }
+        return parent::update($data, $whiteList);
+    }
 }
\ No newline at end of file