From 102950330bfa89d7e04676b4d0972e0dbfab21ee Mon Sep 17 00:00:00 2001
From: Savorboard <yangxiaodong1214@126.com>
Date: Sat, 21 Oct 2017 12:45:58 +0800
Subject: [PATCH] add ICallbackMessageSender to DI with singleton.

---
 src/DotNetCore.CAP/CAP.ServiceCollectionExtensions.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/DotNetCore.CAP/CAP.ServiceCollectionExtensions.cs b/src/DotNetCore.CAP/CAP.ServiceCollectionExtensions.cs
index 826f3ba..cfb1fad 100644
--- a/src/DotNetCore.CAP/CAP.ServiceCollectionExtensions.cs
+++ b/src/DotNetCore.CAP/CAP.ServiceCollectionExtensions.cs
@@ -37,6 +37,8 @@ namespace Microsoft.Extensions.DependencyInjection
             services.TryAddSingleton<IMessagePacker, DefaultMessagePacker>();
             services.TryAddSingleton<IConsumerServiceSelector, DefaultConsumerServiceSelector>();
             services.TryAddSingleton<IModelBinderFactory, ModelBinderFactory>();
+
+            services.TryAddSingleton<ICallbackMessageSender, CallbackMessageSender>();
             services.TryAddSingleton<IConsumerInvokerFactory, ConsumerInvokerFactory>();
             services.TryAddSingleton<MethodMatcherCache>();