diff --git a/layers/middleware/init.route.global.ts b/layers/middleware/init.route.global.ts
index efdfc69..7357c27 100644
--- a/layers/middleware/init.route.global.ts
+++ b/layers/middleware/init.route.global.ts
@@ -23,7 +23,7 @@ export default defineNuxtRouteMiddleware(to => {
 
   // 최종 로케일 결정
   const finalLocale =
-    csrGetFinalLocale(fullPath, langCodes.value) ||
+    csrGetFinalLocale(fullPath, langCodes.value, defaultLangCode.value) ||
     defaultLangCode.value ||
     DEFAULT_LOCALE_CODE
 
diff --git a/layers/middleware/inspection.ts b/layers/middleware/inspection.ts
index 51f30de..694d2a7 100644
--- a/layers/middleware/inspection.ts
+++ b/layers/middleware/inspection.ts
@@ -9,7 +9,7 @@ export default defineNuxtRouteMiddleware(async to => {
 
   try {
     const gameDataStore = useGameDataStore()
-    const { gameId, langCodes } = storeToRefs(gameDataStore)
+    const { gameId, langCodes, defaultLangCode } = storeToRefs(gameDataStore)
 
     // app.vue에서 설정한 스토어 값이 없으면 대기
     if (!gameId.value || !langCodes.value) return
@@ -19,7 +19,11 @@ export default defineNuxtRouteMiddleware(async to => {
     // const stoveMaintenanceApiUrl = `${runtimeConfig.public.stoveMaintenanceApiUrl}`
     const stoveGameId = gameId.value
 
-    const finalLocale = csrGetFinalLocale(to.path, langCodes.value)
+    const finalLocale = csrGetFinalLocale(
+      to.path,
+      langCodes.value,
+      defaultLangCode.value
+    )
 
     // 웹 점검 -----
     const { isWebInspection, getInspectionDataExternal } =
diff --git a/layers/middleware/pageData.global.ts b/layers/middleware/pageData.global.ts
index e54a075..c0bbdf4 100644
--- a/layers/middleware/pageData.global.ts
+++ b/layers/middleware/pageData.global.ts
@@ -26,7 +26,8 @@ export default defineNuxtRouteMiddleware(async (to, _from) => {
   const accessToken = csrGetAccessToken()
   const gameDomain = getGameDomain()
   const pathWithoutLocale = getPathAfterLanguage(to.path)
-  const langCode = csrGetFinalLocale(to.path, langCodes.value) || 'ko'
+  const langCode =
+    csrGetFinalLocale(to.path, langCodes.value, defaultLangCode.value) || 'ko'
 
   let pageDataResponse: PageDataResponse | null = null
 
diff --git a/layers/server/middleware/gameData.ts b/layers/server/middleware/gameData.ts
index 9b3611f..0755b5b 100644
--- a/layers/server/middleware/gameData.ts
+++ b/layers/server/middleware/gameData.ts
@@ -69,6 +69,7 @@ const cache = new LRUCache<string, WebInspectionData>({
 /**
  * Locale Middleware 역할 함수
  * URL의 언어 코드를 최종 언어로 변경하거나 추가
+ * template에서는 i18n 버전 때문에 사용 필요. (동일 코드 init.route.global -> csr에서만 실행.)
  */
 function fnLocaleMiddleware(
   event: H3Event,
diff --git a/layers/utils/localeUtil.ts b/layers/utils/localeUtil.ts
index cfd3f0d..0168c20 100644
--- a/layers/utils/localeUtil.ts
+++ b/layers/utils/localeUtil.ts
@@ -1,5 +1,3 @@
-import { DEFAULT_LOCALE_CODE } from '@/i18n.config'
-
 // 사용자 선호 언어 조회
 export const getPreferredLanguage = (acceptLanguageHeader = '') => {
   const languages = acceptLanguageHeader
@@ -32,11 +30,15 @@ const parseCookies = (cookieHeader: string) => {
  *
  * @param {string} path - 현재 URL 경로
  */
-export const csrGetFinalLocale = (path = '', coveragesLocales: string[]) => {
+export const csrGetFinalLocale = (
+  path = '',
+  coveragesLocales: string[],
+  defaultLocale: string
+) => {
   const runtimeConfig = useRuntimeConfig()
   const baseDomain = `${runtimeConfig.public.baseDomain}`
 
-  let finalLocale = DEFAULT_LOCALE_CODE // 기본값 설정
+  let finalLocale = defaultLocale // 기본값 설정
 
   // 1. URL 패스에 포함된 언어
   if (path && path !== '' && path.split('/').length > 1) {
@@ -83,8 +85,6 @@ export const csrGetFinalLocale = (path = '', coveragesLocales: string[]) => {
   }
 
   // 3. 서비스 기본 언어
-  finalLocale = DEFAULT_LOCALE_CODE
-
   return finalLocale
 }