diff --git a/SNUTT-2022/SNUTT/Services/PopupService.swift b/SNUTT-2022/SNUTT/Services/PopupService.swift
index c44244e9..d9ac7e93 100644
--- a/SNUTT-2022/SNUTT/Services/PopupService.swift
+++ b/SNUTT-2022/SNUTT/Services/PopupService.swift
@@ -30,16 +30,15 @@ struct PopupService: PopupServiceProtocol {
     func getRecentPopupList() async throws {
         let remotePopupDtos = try await popupRepository.getRecentPopupList()
         let localPopupDtos = userDefaultsRepository.get([PopupDto].self, key: .popupList, defaultValue: [])
-        let concatPopupDtos = (localPopupDtos + remotePopupDtos).map { ($0.key, Popup(from: $0)) }
-        let popupDictByKey = Dictionary(concatPopupDtos, uniquingKeysWith: { key, _ in key })
-
-        appState.popup.currentList = popupDictByKey.values.map {
-            var popup = $0
+        let mergedPopupDtos = mergePopups(local: localPopupDtos, into: remotePopupDtos)
+        appState.popup.currentList = mergedPopupDtos.map {
+            var popup = Popup(from: $0)
             if !popup.dontShowForWhile {
                 popup.dismissedAt = nil
             }
             return popup
         }
+        userDefaultsRepository.set([PopupDto].self, key: .popupList, value: mergedPopupDtos)
     }
 
     func dismissPopup(popup: Popup, dontShowForWhile: Bool) {
@@ -53,6 +52,21 @@ struct PopupService: PopupServiceProtocol {
     }
 }
 
+extension PopupService {
+    private func mergePopups(local: [PopupDto], into remote: [PopupDto]) -> [PopupDto] {
+        let localPopupByKey = Dictionary(grouping: local, by: { $0.key })
+        return remote.map { popupDto in
+            guard let localPopup = localPopupByKey[popupDto.key]?.first else {
+                return popupDto
+            }
+            if popupDto.hidden_days != localPopup.hidden_days {
+                return popupDto
+            }
+            return localPopup
+        }
+    }
+}
+
 class FakePopupService: PopupServiceProtocol {
     func getRecentPopupList() async throws {}
     func dismissPopup(popup _: Popup, dontShowForWhile _: Bool) {}