Update README.md

README.md

@@ -16,7 +16,7 @@ You can also use the CAP as an EventBus. The CAP provides a simpler way to imple
 
 This is a diagram of the CAP working in the ASP.NET Core MicroService architecture:
 
-![cap.png](http://oowr92l0m.bkt.clouddn.com/cap.png)
+![cap.png](http://docs.dotnet-china.org/CAP/img/architecture.png)
 
 > CAP implements the Outbox Pattern described in the [eShop ebook](https://docs.microsoft.com/en-us/dotnet/standard/microservices-architecture/multi-container-microservice-net-applications/subscribe-events#designing-atomicity-and-resiliency-when-publishing-to-the-event-bus).