update readme

README.md

 # CAP 　　　　　　　　　　　　　　　　　　　　　　[中文](https://github.com/dotnetcore/CAP/blob/develop/README.zh-cn.md)
 [![Travis branch](https://img.shields.io/travis/dotnetcore/CAP/develop.svg?label=travis-ci)](https://travis-ci.org/dotnetcore/CAP)
-[![AppVeyor](https://ci.appveyor.com/api/projects/status/4mpe0tbu7n126vyw?svg=true)](https://ci.appveyor.com/project/yuleyule66/cap)
+[![AppVeyor](https://ci.appveyor.com/api/projects/status/v8gfh6pe2u2laqoa?svg=true)](https://ci.appveyor.com/project/yuleyule66/cap)
 [![NuGet](https://img.shields.io/nuget/v/DotNetCore.CAP.svg)](https://www.nuget.org/packages/DotNetCore.CAP/)
 [![NuGet Preview](https://img.shields.io/nuget/vpre/DotNetCore.CAP.svg?label=nuget-pre)](https://www.nuget.org/packages/DotNetCore.CAP/)
 [![Member project of .NET Core Community](https://img.shields.io/badge/member%20project%20of-NCC-9e20c9.svg)](https://github.com/dotnetcore)
@@ -157,7 +157,7 @@ namespace BusinessCode.Service
 {
     public interface ISubscriberService
     {
-        public void CheckReceivedMessage(DateTime person);
+        public void CheckReceivedMessage(DateTime datetime);
     }
 
     public class SubscriberService: ISubscriberService, ICapSubscribe

README.zh-cn.md

 # CAP 　　　　　　　　　　　　　　　　　　　　　　[English](https://github.com/dotnetcore/CAP/blob/develop/README.md)
 [![Travis branch](https://img.shields.io/travis/dotnetcore/CAP/develop.svg?label=travis-ci)](https://travis-ci.org/dotnetcore/CAP)
-[![AppVeyor](https://ci.appveyor.com/api/projects/status/4mpe0tbu7n126vyw?svg=true)](https://ci.appveyor.com/project/yuleyule66/cap)
+[![AppVeyor](https://ci.appveyor.com/api/projects/status/v8gfh6pe2u2laqoa?svg=true)](https://ci.appveyor.com/project/yuleyule66/cap)
 [![NuGet](https://img.shields.io/nuget/v/DotNetCore.CAP.svg)](https://www.nuget.org/packages/DotNetCore.CAP/)
 [![NuGet Preview](https://img.shields.io/nuget/vpre/DotNetCore.CAP.svg?label=nuget-pre)](https://www.nuget.org/packages/DotNetCore.CAP/)
 [![Member project of .NET Core Community](https://img.shields.io/badge/member%20project%20of-NCC-9e20c9.svg)](https://github.com/dotnetcore)
@@ -166,7 +166,7 @@ namespace xxx.Service
 {
     public interface ISubscriberService
     {
-        public void CheckReceivedMessage(Person person);
+        public void CheckReceivedMessage(DateTime datetime);
     }
 
     public class SubscriberService: ISubscriberService, ICapSubscribe
@@ -215,9 +215,9 @@ public void ShowTime2(DateTime datetime)
 }
 
 ```
-`ShowTime1` and `ShowTime2` are In different groups, they will be called at the same time.
+`ShowTime1` 和 `ShowTime2` 处于不同的组，他们将会被同时调用。
 
-BTW, You can specify the default group name in the configuration :
+PS，你可以通过下面的方式来指定默认的消费者组名称：
 
 ```C#
 services.AddCap(x =>
@@ -227,7 +227,6 @@ services.AddCap(x =>
 
 ```
 
-
 ### Dashboard
 
 CAP 2.1+ 以上版本中提供了仪表盘（Dashboard）功能，你可以很方便的查看发出和接收到的消息。除此之外，你还可以在仪表盘中实时查看发送或者接收到的消息。