From eef11245eb46f2527da5f20e162b75dcb669036a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=96=9F=E9=85=8C=20=E9=B5=AC=E5=85=84?= <tgckpg@gmail.com>
Date: Sun, 10 Jul 2016 03:29:00 +0800
Subject: [PATCH] Should return empty function

---
 model/chain.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/model/chain.js b/model/chain.js
index 9876f02..7c9c4b9 100644
--- a/model/chain.js
+++ b/model/chain.js
@@ -69,7 +69,7 @@ class Chain
 		{
 			Dragonfly.Info( "MultiChain " + name + ": length is zero, directly running handler" );
 			handler.apply( undefined, [] );
-			return;
+			return () => {};
 		}
 
 		var _self = this;