diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 56e500a..25bddf5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -80,8 +80,11 @@ jobs:
           CI: true
           NEXT_TELEMETRY_DISABLED: 1
           NEXT_PUBLIC_API_URL: ${{ secrets.NEXT_PUBLIC_API_URL }}
+          CYPRESS_NEXT_PUBLIC_API_URL: ${{ secrets.NEXT_PUBLIC_API_URL }}
           CYPRESS_TEST_USER_ID: ${{ secrets.CYPRESS_TEST_USER_ID }}
           CYPRESS_TEST_USER_PW: ${{ secrets.CYPRESS_TEST_USER_PW }}
+          CYPRESS_TEST_USER_NUMBER: ${{ secrets.CYPRESS_TEST_USER_NUMBER }}
+          CYPRESS_TEST_UNIVERSITY_NAME: ${{ secrets.TEST_UNIVERSITY_NAME }}
 
       - name: "========== 🧪 AllClass E2E • END =========="
         if: always()
diff --git a/app/layout.tsx b/app/layout.tsx
index 7f290d2..14b8884 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -15,6 +15,7 @@ const geistMono = Geist_Mono({
 });
 
 export const metadata: Metadata = {
+  metadataBase: new URL('https://allclass.vercel.app'),
   title: {
     default: 'AllClass - 부산소속 대학교 강의정보 플랫폼',
     template: '%s | AllClass',
diff --git a/app/sitemap.ts b/app/sitemap.ts
index f056e08..1be0126 100644
--- a/app/sitemap.ts
+++ b/app/sitemap.ts
@@ -1,44 +1,24 @@
 import { MetadataRoute } from 'next';
 import { universityNames } from '@/constants';
-import { getLectureListStatic } from '@/lib/lecture';
 
-export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
-  const baseUrl = 'https://all-class.vercel.app';
+export default function sitemap(): MetadataRoute.Sitemap {
+  const baseUrl = 'https://allclass.vercel.app';
 
-  const staticPages = [
+  const staticPages: MetadataRoute.Sitemap = [
     {
       url: baseUrl,
       lastModified: new Date(),
-      changeFrequency: 'daily' as const,
+      changeFrequency: 'daily',
       priority: 1,
     },
   ];
 
-  const universityPages = universityNames.map((universityName) => ({
+  const universityPages: MetadataRoute.Sitemap = universityNames.map((universityName) => ({
     url: `${baseUrl}/${encodeURIComponent(universityName)}`,
     lastModified: new Date(),
-    changeFrequency: 'daily' as const,
+    changeFrequency: 'daily',
     priority: 0.8,
   }));
 
-  const lecturePages: MetadataRoute.Sitemap = [];
-
-  for (const universityName of universityNames) {
-    try {
-      const lectures = await getLectureListStatic(universityName);
-      if (lectures.success && lectures.lectures) {
-        const pages = lectures.lectures.map((lecture) => ({
-          url: `${baseUrl}/${encodeURIComponent(universityName)}/${lecture.lectureId}`,
-          lastModified: new Date(),
-          changeFrequency: 'weekly' as const,
-          priority: 0.7,
-        }));
-        lecturePages.push(...pages);
-      }
-    } catch (error) {
-      console.error(`Error generating sitemap for ${universityName}:`, error);
-    }
-  }
-
-  return [...staticPages, ...universityPages, ...lecturePages];
+  return [...staticPages, ...universityPages];
 }
diff --git a/cypress/e2e/tier1-critical/01-auth-and-review.cy.ts b/cypress/e2e/tier1-critical/01-auth-and-review.cy.ts
index e3a4d6d..004380b 100644
--- a/cypress/e2e/tier1-critical/01-auth-and-review.cy.ts
+++ b/cypress/e2e/tier1-critical/01-auth-and-review.cy.ts
@@ -11,7 +11,17 @@ describe('사용자는 로그인을하고 자신이 들은 강의에 리뷰를 
     cy.uiLogin();
 
     cy.getMyLectures().then((response) => {
+      // eslint-disable-next-line @typescript-eslint/no-unused-expressions
       expect(response.status).to.eq(200);
+
+      cy.then(() => console.log('getMyLectures response:', response.body));
+
+      // eslint-disable-next-line @typescript-eslint/no-unused-expressions
+      expect(response.body.data).to.not.be.null;
+
+      // eslint-disable-next-line @typescript-eslint/no-unused-expressions
+      expect(response.body.data).to.be.an('array');
+      // eslint-disable-next-line @typescript-eslint/no-unused-expressions
       expect(response.body.data).to.have.length.greaterThan(0);
 
       const enrolledLecture = response.body.data[0];
@@ -47,6 +57,12 @@ describe('사용자는 로그인을하고 자신이 들은 강의에 리뷰를 
     cy.uiLogin();
 
     cy.getMyLectures().then((enrolledResponse) => {
+      cy.then(() => console.log('getMyLectures response:', enrolledResponse.body));
+      // eslint-disable-next-line @typescript-eslint/no-unused-expressions
+      expect(enrolledResponse.body.data).to.not.be.null;
+      // eslint-disable-next-line @typescript-eslint/no-unused-expressions
+      expect(enrolledResponse.body.data).to.be.an('array');
+
       const enrolledLectures = enrolledResponse.body.data.map(
         (lecture: { lectureName: string }) => lecture.lectureName
       );
diff --git a/cypress/support/commands.ts b/cypress/support/commands.ts
index 1d87680..f96cc52 100644
--- a/cypress/support/commands.ts
+++ b/cypress/support/commands.ts
@@ -49,17 +49,32 @@ Cypress.Commands.add('uiLogin', (userId?: string, userPw?: string) => {
 });
 
 Cypress.Commands.add('getMyLectures', () => {
+  const apiUrl = Cypress.env('NEXT_PUBLIC_API_URL') || Cypress.env('CYPRESS_NEXT_PUBLIC_API_URL');
+  if (!apiUrl) {
+    throw new Error('NEXT_PUBLIC_API_URL 환경변수가 설정되지 않았습니다');
+  }
+
+  const userNumber = Cypress.env('TEST_USER_NUMBER') || Cypress.env('CYPRESS_TEST_USER_NUMBER');
+
+  cy.log(`API URL: ${apiUrl}`);
+  cy.log(`User Number: ${userNumber}`);
+
   return cy.request({
     method: 'GET',
-    url: `${Cypress.env('NEXT_PUBLIC_API_URL')}/class/me`,
-    qs: { userNumber: Cypress.env('TEST_USER_NUMBER') },
+    url: `${apiUrl}/class/me`,
+    qs: { userNumber },
   });
 });
 
 Cypress.Commands.add('getUniversityLectures', (universityName: string) => {
+  const apiUrl = Cypress.env('NEXT_PUBLIC_API_URL') || Cypress.env('CYPRESS_NEXT_PUBLIC_API_URL');
+  if (!apiUrl) {
+    throw new Error('NEXT_PUBLIC_API_URL 환경변수가 설정되지 않았습니다');
+  }
+
   return cy.request({
     method: 'GET',
-    url: `${Cypress.env('NEXT_PUBLIC_API_URL')}/class`,
+    url: `${apiUrl}/class`,
     qs: { university: universityName },
   });
 });
@@ -82,7 +97,6 @@ Cypress.Commands.add('getLectureWithReviews', (universityName: string) => {
   return cy.getUniversityLectures(universityName).then((response) => {
     const lectures = response.body.data as { lectureName: string; lectureId: number }[];
 
-    // 각 강의를 순차적으로 확인하여 리뷰가 있는 첫 번째 강의 찾기
     let currentIndex = 0;
 
     const checkNextLecture = (): Cypress.Chainable<{ lectureName: string; lectureId: number }> => {
@@ -92,10 +106,16 @@ Cypress.Commands.add('getLectureWithReviews', (universityName: string) => {
 
       const lecture = lectures[currentIndex];
 
+      const apiUrl =
+        Cypress.env('NEXT_PUBLIC_API_URL') || Cypress.env('CYPRESS_NEXT_PUBLIC_API_URL');
+      if (!apiUrl) {
+        throw new Error('NEXT_PUBLIC_API_URL 환경변수가 설정되지 않았습니다');
+      }
+
       return cy
         .request({
           method: 'GET',
-          url: `${Cypress.env('NEXT_PUBLIC_API_URL')}/class`,
+          url: `${apiUrl}/class`,
           qs: {
             university: universityName,
             lectureId: lecture.lectureId,