diff --git a/src/App.vue b/src/App.vue
index 9da18d9b..1de87ef7 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,11 +1,13 @@
-<script setup lang='ts'>
-import { RouterView } from 'vue-router'
-import { provide, ref } from 'vue'
+<script setup lang="ts">
+import { RouterView, useRoute } from 'vue-router'
+import { provide, ref, computed } from 'vue'
 import HeaderComponent from '@/components/HeaderComponent.vue'
 import FooterComponent from '@/components/FooterComponent.vue'
 import { debounce } from 'lodash'
 
 let isScrollEnd = ref<boolean>(false)
+const route = useRoute()
+const displayHeader = computed(() => !route.path.startsWith('/order-success'))
 
 const onScroll = debounce(async (event: any) => {
   const { scrollHeight, scrollTop, clientHeight } = event.target
@@ -19,11 +21,11 @@ provide('isScrollEnd', isScrollEnd)
 </script>
 
 <template>
-  <div class='container' @scroll='onScroll'>
+  <div class="container" @scroll="onScroll">
     <header>
-      <HeaderComponent />
+      <HeaderComponent v-if="displayHeader" />
     </header>
-    <main class='main'>
+    <main class="main">
       <RouterView />
     </main>
     <footer>
diff --git a/src/apis/notification/notification.ts b/src/apis/notification/notification.ts
index 45a1a579..3970f4af 100644
--- a/src/apis/notification/notification.ts
+++ b/src/apis/notification/notification.ts
@@ -115,7 +115,7 @@ export const subscribeToNotifications = (
 
   return () => {
     // console.log('SSE connection을 해제합니다.')
-    eventSource.close()
+    eventSource.close() // eventSourceUnsubscribe를 구독상태에서 호출하면 close함.
     console.log('SSE connection이 해제되었습니다.')
   }
 }