diff --git a/README.md b/README.md
index e255c21..4b071e2 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,21 @@ ODROID-M1S 용 UPS모듈용 파이썬 스크립트
   + BE400같은 통신기능이 없는 UPS를 대신하여 다른 서버/컴퓨터에 종료신호 뿌리기(작업중)
 + ### 설치방법
   + 1.https://wiki.odroid.com/odroid-m1s/application_note/circuitpython#set_environment 이링크를 따라서 /boot/config.ini 수정후 재부팅
-  + 2.[git clone](https://github.com/gunu3371/m1s_ups_control.git)
+  + 2.'''git clone https://github.com/gunu3371/m1s_ups_control.git''' 실행
+  + 3.'''sh install_service.sh''' 실행
++ ### 사용방법
+  + '''systemctl status m1s_ups''' 로 상태확인
+  + '''/etc/m1s_ups/log/''' 에서 로그확인
 ## EN
 Python script for UPS module for ODROID-M1S
 + ### Features
   + Automatic shutdown
   + Save UPS/power status in log
   + Providing a shutdown signal to other servers/computers in place of a UPS that does not have a communication function such as BE400 (work in progress)
++ ### Installation method
+  + 1. https://wiki.odroid.com/odroid-m1s/application_note/circuitpython#set_environment Follow this link, edit /boot/config.ini and reboot.
+  + 2. Run '''git clone https://github.com/gunu3371/m1s_ups_control.git'''
+  + 3. Run '''sh install_service.sh'''
++ ### How to use
+  + Check status with '''systemctl status m1s_ups'''
+  + Check log in '''/etc/m1s_ups/log/'''