diff --git a/manifest.config.ts b/manifest.config.ts
index 92d5b7c..f844c84 100644
--- a/manifest.config.ts
+++ b/manifest.config.ts
@@ -1,6 +1,7 @@
 import { defineManifest } from '@crxjs/vite-plugin'
 
 import packageJson from './package.json'
+import { UNIVERITY_LINK_LIST } from './src/constants/univ'
 
 const [major, minor, patch, label = '0'] = packageJson.version.replace(/[^\d.-]+/g, '').split(/[.-]/)
 
@@ -34,12 +35,12 @@ export default defineManifest(async () => ({
   },
   content_scripts: [
     {
-      matches: ['https://cyber.gachon.ac.kr/*'],
-      exclude_matches: [
-        'https://cyber.gachon.ac.kr/login.php*',
-        'https://cyber.gachon.ac.kr/mod/ubfile/viewer.php*',
-        'https://cyber.gachon.ac.kr/mod/vod/viewer.php*',
-      ],
+      matches: UNIVERITY_LINK_LIST.map(univ => `${univ}/*`),
+      exclude_matches: UNIVERITY_LINK_LIST.map(univ => [
+        `${univ}/login.php*`,
+        `${univ}/mod/ubfile/viewer.php*`,
+        `${univ}/mod/vod/viewer.php*`,
+      ]).flat(),
       js: isDev ? ['src/content/index.dev.tsx'] : ['src/content/index.prod.tsx'],
       run_at: 'document_start',
     },
@@ -51,6 +52,6 @@ export default defineManifest(async () => ({
       matches: ['*://*/*'],
     },
   ],
-  host_permissions: ['https://cyber.gachon.ac.kr/*'],
+  host_permissions: UNIVERITY_LINK_LIST.map(univ => `${univ}/*`),
   permissions: ['storage', 'unlimitedStorage', 'scripting', 'activeTab'],
 }))
diff --git a/src/constants/univ.ts b/src/constants/univ.ts
new file mode 100644
index 0000000..d914fdf
--- /dev/null
+++ b/src/constants/univ.ts
@@ -0,0 +1,7 @@
+export type University = '가천대학교' | '서울시립대학교'
+export const UNIVERITY_LINK_LIST = ['https://cyber.gachon.ac.kr', 'https://uclass.uos.ac.kr']
+
+export const UNIVERITY_NAME_MAP: Record<(typeof UNIVERITY_LINK_LIST)[number], University> = {
+  'https://cyber.gachon.ac.kr': '가천대학교',
+  'https://uclass.uos.ac.kr': '서울시립대학교',
+}
diff --git a/src/services/index.ts b/src/services/index.ts
index ad01a86..5cd839c 100644
--- a/src/services/index.ts
+++ b/src/services/index.ts
@@ -1,5 +1,6 @@
 import * as cheerio from 'cheerio'
 
+import { UNIVERITY_NAME_MAP } from '@/constants/univ'
 import type { Activity, Assignment, Course, Video } from '@/types'
 import { getLinkId, mapElement, getAttr, getText } from '@/utils'
 
@@ -7,9 +8,21 @@ import type { AnyNode } from 'domhandler'
 
 type CheerioAPI = cheerio.CheerioAPI
 
+const origin = document.location.origin
+const university = UNIVERITY_NAME_MAP[origin]
+
+const univSpecific = {
+  가천대학교: {
+    titleRegex: /\((\w{5}_\w{3})\)/,
+  },
+  서울시립대학교: {
+    titleRegex: /\[(?:\w{5}_\w{2}|\w{2})]/,
+  },
+}[university]
+
 // 네트워크 요청을 담당하는 함수
 export async function fetchHtml(url: string): Promise<string> {
-  const response = await fetch(url)
+  const response = await fetch(document.location.origin + url)
   if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`)
   return await response.text()
 }
@@ -38,14 +51,14 @@ function parseCourses($: CheerioAPI): Course[] {
   return mapElement($('.coursefullname'), (_, el) => {
     const $el = $(el)
     const id = getLinkId(getAttr($el, 'href'))
-    const title = getText($el).replace(/ \((\w{5}_\w{3})\)/, '')
+    const title = getText($el).replace(univSpecific.titleRegex, '')
     return { id, title }
   })
 }
 
 // 강의 목록 가져오기
 export const getCourses = async (): Promise<Course[]> => {
-  const $ = await getDocument('https://cyber.gachon.ac.kr/local/ubion/user')
+  const $ = await getDocument('/local/ubion/user')
   return parseCourses($)
 }
 
@@ -105,7 +118,7 @@ export const getActivities = async (
   assignmentSubmittedArray: Awaited<ReturnType<typeof getAssignmentSubmitted>>,
   videoSubmittedArray: Awaited<ReturnType<typeof getVideoSubmitted>>,
 ): Promise<Activity[]> => {
-  const $ = await getDocument(`https://cyber.gachon.ac.kr/course/view.php?id=${courseId}`)
+  const $ = await getDocument(`/course/view.php?id=${courseId}`)
 
   const assignments = parseAssignments($, courseId).reduce<Assignment[]>((acc, cur) => {
     const findAssignment = assignmentSubmittedArray.find(a => a.id === cur.id)
@@ -141,7 +154,7 @@ export function parseAssignmentSubmitted(
 export const getAssignmentSubmitted = async (
   courseId: string,
 ): Promise<Array<Pick<Assignment, 'id' | 'title' | 'hasSubmitted' | 'endAt'>>> => {
-  const $ = await getDocument(`https://cyber.gachon.ac.kr/mod/assign/index.php?id=${courseId}`)
+  const $ = await getDocument(`/mod/assign/index.php?id=${courseId}`)
   return parseAssignmentSubmitted($)
 }
 
@@ -173,6 +186,6 @@ function parseVideoSubmitted($: CheerioAPI): Array<Pick<Video, 'title' | 'hasSub
 export const getVideoSubmitted = async (
   courseId: string,
 ): Promise<Array<Pick<Video, 'title' | 'hasSubmitted' | 'sectionTitle'>>> => {
-  const $ = await getDocument(`https://cyber.gachon.ac.kr/report/ubcompletion/user_progress.php?id=${courseId}`)
+  const $ = await getDocument(`/report/ubcompletion/user_progress.php?id=${courseId}`)
   return parseVideoSubmitted($)
 }