diff --git a/README.md b/README.md
index d0589efe..dc598344 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
-# QCast3 API
+# QCast3 API Service
 
-QCast3 api service
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+### Code Formatter 적용
+
+1.google-java-format plugin 설치  
+2.settings -> google-java-format setting -> enable  
+3.settings -> tools -> actions on save -> Reformat code, Optimize import check
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