diff --git a/apps/cs/.env.example b/apps/cs/.env.example
index 9f786831b..19231af8a 100644
--- a/apps/cs/.env.example
+++ b/apps/cs/.env.example
@@ -1,7 +1,8 @@
 # apps/cs/src/shared/config/env.ts 참고
 NEXT_PUBLIC_PORT=3000
 NEXT_PUBLIC_PROXY_HOST=http://localhost:3000
+SERVER_API_URL=http://192.168.0.102:8000
 NEXT_PUBLIC_SITE_ID=CS
 NEXT_PUBLIC_SUB_DOMAIN=http://localhost:3000
-NEXT_PUBLIC_SERVER_API_URL=http://192.168.0.102:8000
-NEXT_PUBLIC_TINY_API_KEY=t9nc4z6inquvvd5pq1vea8wcp7lb01qmqseh6egms9vpaju2
\ No newline at end of file
+NEXT_PUBLIC_TINY_API_KEY=t9nc4z6inquvvd5pq1vea8wcp7lb01qmqseh6egms9vpaju2
+NEXT_PUBLIC_TINY_BASE_URL=
\ No newline at end of file
diff --git a/apps/cs/middleware.ts b/apps/cs/middleware.ts
index 4cc85b307..98b741325 100644
--- a/apps/cs/middleware.ts
+++ b/apps/cs/middleware.ts
@@ -1,21 +1,25 @@
 import { NextRequest, NextResponse } from "next/server";
+
 import {
-  CLAIM_NAME,
   AUTH_USER_ID,
+  CLAIM_NAME,
   PORT,
   PROXY_HOST,
   SERVER_API_URL,
   SITE_ID,
 } from "./src/shared/config";
 
-const serverApiUrl =
-  process.env.NEXT_PUBLIC_SERVER_API_URL ?? "http://localhost:3000";
+const serverApiUrl = process.env.SERVER_API_URL ?? "http://localhost:3000";
 
-const linkBackendApiHost = process.env.NEXT_PUBLIC_LINK_BACKEND_API_HOST ?? "http://localhost:8080";
+const linkBackendApiHost =
+  process.env.NEXT_PUBLIC_LINK_BACKEND_API_HOST ?? "http://localhost:8080";
 
 // CSP 헤더 설정 함수 (img-src만)
 function addSecurityHeaders(response: NextResponse): NextResponse {
-  response.headers.set("Content-Security-Policy", "img-src 'self' data: https: blob:;");
+  response.headers.set(
+    "Content-Security-Policy",
+    "img-src 'self' data: https: blob:;",
+  );
   return response;
 }
 
@@ -66,7 +70,7 @@ export function middleware(req: NextRequest) {
     const requestHeaders = new Headers(req.headers);
     const token = req.cookies.get(CLAIM_NAME)?.value;
     const userId = req.cookies.get(AUTH_USER_ID)?.value;
-    
+
     // /api/link 경로를 제거하고 백엔드 API 경로로 변환
     const apiPath = pathname.replace("/api/link", "");
     const queryParams = searchParams.toString();
@@ -94,11 +98,16 @@ export function middleware(req: NextRequest) {
 
   logMessages.push("\n--------------------------------\n");
   // console.log(logMessages.join("\n"));
-  
+
   const response = NextResponse.next();
   return addSecurityHeaders(response);
 }
 
 export const config = {
-  matcher: ["/server/:path*", "/attach-service/:path*", "/api/link/:path*", "/"],
+  matcher: [
+    "/server/:path*",
+    "/attach-service/:path*",
+    "/api/link/:path*",
+    "/",
+  ],
 };
diff --git a/apps/cs/src/entities/editor/model/editor-base-config.ts b/apps/cs/src/entities/editor/model/editor-base-config.ts
index ee465b675..f0684c5c8 100644
--- a/apps/cs/src/entities/editor/model/editor-base-config.ts
+++ b/apps/cs/src/entities/editor/model/editor-base-config.ts
@@ -1,4 +1,4 @@
-import { SERVER_API_URL } from "@/shared/config";
+import { TINY_BASE_URL } from "@/shared/config";
 
 export const editorBaseConfig = {
   // 폐쇄망 환경에서는 API 키 없이 자체 호스팅 모드 사용
@@ -7,7 +7,7 @@ export const editorBaseConfig = {
   licenseKey: "gpl",
   init: {
     language: "ko_KR",
-    language_url: '/tinymce/langs/ko_KR.js', // 직접 호스팅한 경우 경로 지정
+    language_url: "/tinymce/langs/ko_KR.js", // 직접 호스팅한 경우 경로 지정
     height: 500,
     // 폐쇄망 환경을 위한 설정
     base_url: "/tinymce",
@@ -38,7 +38,7 @@ export const editorBaseConfig = {
       "undo redo | blocks fontfamily fontsize | bold italic underline strikethrough forecolor backcolor | alignleft aligncenter alignright alignjustify | bullist numlist blockquote | table",
       "link image",
     ],
-    images_upload_base_path: SERVER_API_URL,
+    images_upload_base_path: TINY_BASE_URL,
     file_picker_types: "image",
     // 폐쇄망 환경을 위한 추가 설정
     content_css: "/tinymce/skins/content/default/content.min.css",
diff --git a/apps/cs/src/shared/config/env.ts b/apps/cs/src/shared/config/env.ts
index 5e1392b4d..f352e1bd7 100644
--- a/apps/cs/src/shared/config/env.ts
+++ b/apps/cs/src/shared/config/env.ts
@@ -1,7 +1,7 @@
 export const PORT = process.env.NEXT_PUBLIC_PORT || "3000";
 export const PROXY_HOST =
   process.env.NEXT_PUBLIC_PROXY_HOST || `http://localhost:${PORT}`;
-export const SERVER_API_URL = process.env.NEXT_PUBLIC_SERVER_API_URL;
+export const SERVER_API_URL = process.env.SERVER_API_URL;
 export const AUTH_LOGIN_REDIRECT_URL =
   process.env.NEXT_PUBLIC_AUTH_LOGIN_REDIRECT_URL || "/auth/login";
 export const SITE_ID = process.env.NEXT_PUBLIC_SITE_ID || "CS";
@@ -11,4 +11,5 @@ export const ACCESS_TOKEN =
 export const REFRESH_TOKEN =
   process.env.NEXT_PUBLIC_REFRESH_TOKEN || "refresh-token";
 export const AUTH_USER_ID = process.env.NEXT_PUBLIC_AUTH_USER_ID || "token-id";
+export const TINY_BASE_URL = process.env.NEXT_PUBLIC_TINY_BASE_URL;
 export const COOKIE_DOMAIN = process.env.NEXT_PUBLIC_COOKIE_DOMAIN;