Update README.md

README.md

@@ -137,3 +137,4 @@ The project is licensed under the [Apache 2 license](https://github.com/ctripcor
 ![现金巴士](https://github.com/ctripcorp/apollo/blob/master/doc/images/known-users/cash-bus.png) 
 ![锤子科技](https://github.com/ctripcorp/apollo/blob/master/doc/images/known-users/smartisan.png) 
 ![头等仓](https://github.com/ctripcorp/apollo/blob/master/doc/images/known-users/toodc.png) 
+![吉祥航空](https://github.com/ctripcorp/apollo/blob/master/doc/images/known-users/juneyaoair.png)