diff --git a/frontend/constants/auth.ts b/frontend/constants/auth.ts
index 98951374..c1880a69 100644
--- a/frontend/constants/auth.ts
+++ b/frontend/constants/auth.ts
@@ -15,11 +15,21 @@ export const AUTH_CONFIG = {
   },
 } as const;
 
+export const UI_CONFIG = {
+  COMPANY_NAME: "WACE 솔루션",
+  COPYRIGHT: "© 2024 WACE 솔루션. All rights reserved.",
+  POWERED_BY: "Powered by WACE PLM System",
+} as const;
+
 export const FORM_VALIDATION = {
   MESSAGES: {
     REQUIRED: "필수 입력 항목입니다.",
     INVALID_FORMAT: "형식이 올바르지 않습니다.",
     PASSWORD_MISMATCH: "비밀번호가 일치하지 않습니다.",
     INVALID_CREDENTIALS: "아이디 또는 비밀번호가 올바르지 않습니다.",
+    USER_ID_REQUIRED: "사용자 ID를 입력해주세요.",
+    PASSWORD_REQUIRED: "비밀번호를 입력해주세요.",
+    LOGIN_FAILED: "로그인에 실패했습니다.",
+    CONNECTION_FAILED: "서버 연결에 실패했습니다.",
   },
 } as const;