Update README.md

Author: jjxtra

README.md

@@ -2,7 +2,7 @@
 
 [![Github Sponsorship](.github/github_sponsor_btn.svg)](https://github.com/sponsors/jjxtra)
 
-[![Build Status](https://dev.azure.com/DigitalRuby/DigitalRuby/_apis/build/status/jjxtra_ExchangeSharp?branchName=master)](https://dev.azure.com/DigitalRuby/DigitalRuby/_build/latest?definitionId=5&branchName=master) [![NuGet](https://img.shields.io/nuget/dt/DigitalRuby.ExchangeSharp.svg)][nuget]
+[![Build Status](https://dev.azure.com/DigitalRuby/DigitalRuby/_apis/build/status/DigitalRuby_ExchangeSharp?branchName=master)](https://dev.azure.com/DigitalRuby/DigitalRuby/_build/latest?definitionId=5&branchName=master) [![NuGet](https://img.shields.io/nuget/dt/DigitalRuby.ExchangeSharp.svg)][nuget]
 
 ## Overview
 
@@ -194,4 +194,4 @@ http://www.digitalruby.com
 
 [nuget]: https://www.nuget.org/packages/DigitalRuby.ExchangeSharp/
 [websocket4net]: https://github.com/kerryjiang/WebSocket4Net
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