diff --git a/apps/st/app/(main)/(with-base-layout)/layout.tsx b/apps/st/app/(main)/(with-base-layout)/layout.tsx
index 19190c901..d5f5074f5 100644
--- a/apps/st/app/(main)/(with-base-layout)/layout.tsx
+++ b/apps/st/app/(main)/(with-base-layout)/layout.tsx
@@ -97,7 +97,7 @@ function WithBaseLayoutInner({ children }: { children: React.ReactNode }) {
 
     useEffect(() => {
         if (!getToken(CLAIM_NAME)) return;
-        void statisticsApi.refreshCommonCodes().catch(() => {
+        void statisticsApi.refreshAllCommonCodes().catch(() => {
             // 캐시 동기화 실패는 화면 진입을 막지 않음
         });
     }, []);
diff --git a/apps/st/app/global-not-found.tsx b/apps/st/app/global-not-found.tsx
new file mode 100644
index 000000000..9e06ffaa1
--- /dev/null
+++ b/apps/st/app/global-not-found.tsx
@@ -0,0 +1,45 @@
+import type { Metadata } from "next";
+import Image from "next/image";
+
+import "@/app/styles/base.css";
+
+export const metadata: Metadata = {
+  title: "유역하수도 통합 정보플랫폼",
+  description: "페이지가 존재하지 않습니다. 관리자에게 문의하여 주십시오.",
+};
+
+export default function GlobalNotFound() {
+  return (
+    <html lang="ko">
+      <body>
+        <main className="flex min-h-screen flex-col items-center justify-center bg-[#f0f4f8] px-4 py-16">
+          <div className="mb-16 text-center">
+            <h1 className="text-[3.2rem] font-bold leading-snug tracking-tight">
+              <span className="text-primary">유역하수도 통합 정보플랫폼</span>에
+              오신 것을 환영합니다.
+            </h1>
+            <p className="mt-6 text-[2rem] text-[#666]">
+              오류가 발생하였습니다.
+            </p>
+          </div>
+
+          <section className="card card-border flex w-full max-w-[72rem] flex-col items-center !rounded-2xl !py-16">
+            <Image
+              src="/images/magnifying-glass-with-warning.png"
+              alt=""
+              width={280}
+              height={280}
+              className="size-[28rem] object-contain"
+            />
+            <p className="mt-4 text-[2.4rem] font-bold text-[#444]">
+              페이지가 존재하지 않습니다.
+            </p>
+            <p className="mt-2 text-[1.6rem] text-[#666]">
+              관리자에게 문의하여 주십시오
+            </p>
+          </section>
+        </main>
+      </body>
+    </html>
+  );
+}
diff --git a/apps/st/next.config.ts b/apps/st/next.config.ts
index 743a29bdd..b306b2eff 100644
--- a/apps/st/next.config.ts
+++ b/apps/st/next.config.ts
@@ -5,6 +5,9 @@ const subDomain =
 
 const nextConfig: NextConfig = {
     output: "standalone",
+    experimental: {
+        globalNotFound: true,
+    },
     async headers() {
         return [
             {
diff --git a/apps/st/public/images/magnifying-glass-with-warning.png b/apps/st/public/images/magnifying-glass-with-warning.png
new file mode 100644
index 000000000..b184da207
Binary files /dev/null and b/apps/st/public/images/magnifying-glass-with-warning.png differ
diff --git a/apps/st/src/components/statistics/management/NotEnteredStatus.tsx b/apps/st/src/components/statistics/management/NotEnteredStatus.tsx
index ea0c0aaf4..4a897589e 100644
--- a/apps/st/src/components/statistics/management/NotEnteredStatus.tsx
+++ b/apps/st/src/components/statistics/management/NotEnteredStatus.tsx
@@ -279,7 +279,6 @@ const NotEnteredStatus = () => {
             return;
         }
         const params = buildUnSubmitDataRequest(values, userInfo);
-        console.log(params);
         if (!params.dtlInstCd) {
             alert("기관 정보를 확인할 수 없습니다.");
             return;
diff --git a/apps/st/src/entities/statistics/api/statistics-service.ts b/apps/st/src/entities/statistics/api/statistics-service.ts
index c987a9a23..4c55bd556 100644
--- a/apps/st/src/entities/statistics/api/statistics-service.ts
+++ b/apps/st/src/entities/statistics/api/statistics-service.ts
@@ -370,7 +370,7 @@ export class StatisticsApiService implements StatisticsService {
         return response.data;
     }
 
-    /** 공통 코드 메모리 캐시 동기화 */
+    /** 입력 서비스 공통 코드 메모리 캐시 동기화 */
     public async refreshCommonCodes(): Promise<CodesRefreshResponse> {
         const response = await stClient.post<CodesRefreshResponse>(
             `${ENDPOINT.ST_SERVICE.INPUTCOMMON}/codes-refresh`,
@@ -379,6 +379,26 @@ export class StatisticsApiService implements StatisticsService {
         );
         return response.data;
     }
+
+    /** 관리 서비스 공통 코드 메모리 캐시 동기화 */
+    public async refreshManagementCommonCodes(): Promise<CodesRefreshResponse> {
+        const response = await stClient.post<CodesRefreshResponse>(
+            `${ENDPOINT.ST_SERVICE.COMMON}/codes/refresh`,
+            null,
+            withAuthHeader(),
+        );
+        return response.data;
+    }
+
+    /** 입력/관리 공통 코드 캐시 동기화 (한쪽 실패해도 다른 쪽은 완료) */
+    public async refreshAllCommonCodes(): Promise<
+        PromiseSettledResult<CodesRefreshResponse>[]
+    > {
+        return Promise.allSettled([
+            this.refreshCommonCodes(),
+            this.refreshManagementCommonCodes(),
+        ]);
+    }
 }
 
 export const statisticsApi = new StatisticsApiService();
diff --git a/apps/st/src/entities/statistics/model/statistics-interface.ts b/apps/st/src/entities/statistics/model/statistics-interface.ts
index f73185eb4..faaca31ca 100644
--- a/apps/st/src/entities/statistics/model/statistics-interface.ts
+++ b/apps/st/src/entities/statistics/model/statistics-interface.ts
@@ -572,4 +572,6 @@ export interface StatisticsService {
     CheckStatusCode(param: CheckStatusCodeRequest): Promise<CheckStatusCodeResponse>;
     getUnSubmitData(param: unSubmitDataRequest): Promise<unSubmitDataResponse>;
     refreshCommonCodes(): Promise<CodesRefreshResponse>;
+    refreshManagementCommonCodes(): Promise<CodesRefreshResponse>;
+    refreshAllCommonCodes(): Promise<PromiseSettledResult<CodesRefreshResponse>[]>;
 }
\ No newline at end of file
diff --git a/apps/st/src/pages/auth/login/ui/login-page.tsx b/apps/st/src/pages/auth/login/ui/login-page.tsx
index 0b2f115e3..7d07803ba 100644
--- a/apps/st/src/pages/auth/login/ui/login-page.tsx
+++ b/apps/st/src/pages/auth/login/ui/login-page.tsx
@@ -23,7 +23,7 @@ function LoginPage() {
         try {
             await authService.login({ userId, password });
             try {
-                await statisticsApi.refreshCommonCodes();
+                await statisticsApi.refreshAllCommonCodes();
             } catch {
                 // 로그인 성공 후 캐시 동기화 실패는 진입을 막지 않음
             }
diff --git a/apps/st/tailwind.config.ts b/apps/st/tailwind.config.ts
index c7fec33e1..accbdccf2 100644
--- a/apps/st/tailwind.config.ts
+++ b/apps/st/tailwind.config.ts
@@ -5,6 +5,7 @@ import presetConfig from "../../tailwind.config.preset";
 export default {
   presets: [presetConfig],
   content: [
+    "./app/**/*.{js,ts,jsx,tsx}",
     "./src/**/*.{js,ts,jsx,tsx}",
     "../../packages/common/components/src/ui/**/*.{js,ts,jsx,tsx}",
   ],