diff --git a/troubleshooting/250827_frontend_backend_user_preferences_mismatch.md b/troubleshooting/250827_frontend_backend_preferences_API_연동_완료.md
similarity index 99%
rename from troubleshooting/250827_frontend_backend_user_preferences_mismatch.md
rename to troubleshooting/250827_frontend_backend_preferences_API_연동_완료.md
index 9b60eda..df1ee95 100644
--- a/troubleshooting/250827_frontend_backend_user_preferences_mismatch.md
+++ b/troubleshooting/250827_frontend_backend_preferences_API_연동_완료.md
@@ -1,4 +1,4 @@
-# Frontend ActivityPanel과 Backend user_preferences 연동 구현
+# ✅ Frontend-Backend Preferences API 연동 완료 - asyncpg TIME 타입 변환 해결
 
 ## 작성일: 2025-08-27
 ## 작성자: happybell80 / 51123 서버 관리자