diff --git a/.env b/.env
index cc26e02..deed458 100644
--- a/.env
+++ b/.env
@@ -16,14 +16,15 @@ SESSION_SECRET=dev-secret-key-change-in-production
 # OpenAI
 OPENAI_API_KEY=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
 
-# EMAIL (SMTP)
-SMTP_HOST=smtp.gmail.com
-SMTP_PORT=587
-SMTP_USER="turbosoft11@gmail.com"
-SMTP_PASS="kojl sxbx pdfi yhxz"
-SMTP_FROM="업무관리프로그램<turbosoft11@gmail.com>"
-
+# Synology SSO
 SYNOLOGY_SERVER_URL=https://sso.osolit.net
 SYNOLOGY_CLIENT_ID=afa90b7b4a9773af41f2c7b110f92d6e
 SYNOLOGY_CLIENT_SECRET=
-SYNOLOGY_REDIRECT_URI=https://weeklyreport.turbosoft.kr/api/auth/synology/callback
+SYNOLOGY_REDIRECT_URI=http://127.0.0.1:2026/api/auth/synology/callback
+
+# EMAIL (SMTP)
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=turbosoft11@gmail.com
+SMTP_PASS="kojl sxbx pdfi yhxz"
+SMTP_FROM="업무관리프로그램 <turbosoft11@gmail.com>"
diff --git a/.env.prod b/.env.prod
index 3933a4d..8d2b3bc 100644
--- a/.env.prod
+++ b/.env.prod
@@ -11,15 +11,15 @@ SESSION_SECRET=weeklyreport-prod-secret-2026
 # OpenAI
 OPENAI_API_KEY=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
 
-# EMAIL (SMTP)
-SMTP_HOST=smtp.gmail.com
-SMTP_PORT=587
-SMTP_USER="turbosoft11@gmail.com"
-SMTP_PASS="kojl sxbx pdfi yhxz"
-SMTP_FROM="업무관리프로그램<turbosoft11@gmail.com>"
-
-
+# Synology SSO
 SYNOLOGY_SERVER_URL=https://sso.osolit.net
 SYNOLOGY_CLIENT_ID=afa90b7b4a9773af41f2c7b110f92d6e
 SYNOLOGY_CLIENT_SECRET=
 SYNOLOGY_REDIRECT_URI=https://weeklyreport.turbosoft.kr/api/auth/synology/callback
+
+# EMAIL (SMTP)
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=turbosoft11@gmail.com
+SMTP_PASS="kojl sxbx pdfi yhxz"
+SMTP_FROM="업무관리프로그램 <turbosoft11@gmail.com>"