diff --git a/docs/guide-zh-CN/start-forms.md b/docs/guide-zh-CN/start-forms.md
index 446a59ebf4..ec98899228 100644
--- a/docs/guide-zh-CN/start-forms.md
+++ b/docs/guide-zh-CN/start-forms.md
@@ -98,7 +98,7 @@ class SiteController extends Controller
 
     public function actionEntry()
     {
-        $model = new EntryForm;
+        $model = new EntryForm();
 
         if ($model->load(Yii::$app->request->post()) && $model->validate()) {
             // 验证 $model 收到的数据