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diff --git a/pages/spring/try-using-oauth2-in-spring-security-6x.mdx b/pages/spring/try-using-oauth2-in-spring-security-6x.mdx
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--- a/pages/spring/try-using-oauth2-in-spring-security-6x.mdx
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@@ -2,6 +2,13 @@
 
 
 ## 대략적인 흐름도
+
+### 카카오톡의 oauth2 흐름 예시
+
+![picture 0](./images/try-using-oauth2-in-spring-security-6x-1736126609463.png)  
+[참고 : 카카오 로그인 가이드](https://shieldgate.security365.co.kr/remote-browser?tabId=ff4282e6-a&usedGnb=used&redirectUrl=https%3A%2F%2Fdevelopers.kakao.com%2Fdocs%2Flatest%2Fko%2Fkakaologin%2Frest-api&code=2&accessType=site&method=get)
+
+### 직접 작성
 ![picture 0](./images/try-using-oauth2-in-spring-security-6x-1734193832802.png)