Update README.md

Author: wysaid

README.md

@@ -7,11 +7,7 @@ Generator: A tool for quickly creating cge-filters.
 
 Checker: A tool for checking if the cge-rule-string is valid.
 
-ref: 
-
-1. Android: [https://github.com/wysaid/android-gpuimage-plus](https://github.com/wysaid/android-gpuimage-plus)
-
-2. iOS: [https://github.com/wysaid/ios-gpuimage-plus](https://github.com/wysaid/ios-gpuimage-plus)
+ref: [Android](https://github.com/wysaid/android-gpuimage-plus) [iOS](https://github.com/wysaid/ios-gpuimage-plus)
 
 
 ## Platform ##