diff --git a/ios/WeexDemo/extend/component/WXSelectComponent.h b/ios/WeexDemo/extend/component/WXSelectComponent.h
index a50bd5b..f9a4776 100644
--- a/ios/WeexDemo/extend/component/WXSelectComponent.h
+++ b/ios/WeexDemo/extend/component/WXSelectComponent.h
@@ -23,3 +23,4 @@
 @interface WXSelectComponent : WXComponent <UIPickerViewDataSource, UIPickerViewDelegate>
 
 @end
+