From 091fc335b8d3604917d3c4a33901ccedc3b73fa0 Mon Sep 17 00:00:00 2001
From: iapyang <yklorse@gmail.com>
Date: Mon, 9 Dec 2019 11:38:59 +0800
Subject: [PATCH] =?UTF-8?q?KERNEL-2418=20refactor:=20=E6=8F=8F=E8=BF=B0?=
 =?UTF-8?q?=E4=BF=AE=E6=94=B9?=
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---
 typescript/core/widget.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/typescript/core/widget.ts b/typescript/core/widget.ts
index 65a6a9b5b..a3c5ddf92 100644
--- a/typescript/core/widget.ts
+++ b/typescript/core/widget.ts
@@ -247,7 +247,7 @@ export interface _Widget extends _OB {
     /**
      * 根据wigetname获取子元素实例
      */
-    getWidgetByName(_name: string): _Widget;
+    getWidgetByName(_name: string): _Widget | undefined;
 
     /**
      * 移除子元素