diff --git a/src/components/auth/LoginPage.tsx b/src/components/auth/LoginPage.tsx
index 41e55819..24882ab9 100644
--- a/src/components/auth/LoginPage.tsx
+++ b/src/components/auth/LoginPage.tsx
@@ -24,8 +24,8 @@ export function LoginPage() {
   const t = useTranslations('auth');
   const tCommon = useTranslations('common');
   const tValidation = useTranslations('validation');
-  const [userId, setUserId] = useState("");
-  const [password, setPassword] = useState("");
+  const [userId, setUserId] = useState(process.env.NEXT_PUBLIC_DEV_USER_ID || "");
+  const [password, setPassword] = useState(process.env.NEXT_PUBLIC_DEV_USER_PWD || "");
   const [showPassword, setShowPassword] = useState(false);
   const [rememberMe, setRememberMe] = useState(false);
   const [error, setError] = useState("");