From d68643886bf366b778800f2697e92e75288dccb9 Mon Sep 17 00:00:00 2001
From: mingun <pushedGun@github.com>
Date: Mon, 11 Dec 2023 11:48:55 +0900
Subject: [PATCH] =?UTF-8?q?:art:=20Timer=20background=EC=97=90=EC=84=9C=20?=
 =?UTF-8?q?=EB=8F=8C=EB=A6=B4=20=EC=88=98=20=EC=9E=88=EB=8F=84=EB=A1=9D=20?=
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---
 .../Presentation/RewindJourneyViewController.swift            | 4 +++-
 .../RewindJourney/Presentation/RewindJourneyViewModel.swift   | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/iOS/Features/RewindJourney/Sources/RewindJourney/Presentation/RewindJourneyViewController.swift b/iOS/Features/RewindJourney/Sources/RewindJourney/Presentation/RewindJourneyViewController.swift
index 09d062d..0a5526f 100644
--- a/iOS/Features/RewindJourney/Sources/RewindJourney/Presentation/RewindJourneyViewController.swift
+++ b/iOS/Features/RewindJourney/Sources/RewindJourney/Presentation/RewindJourneyViewController.swift
@@ -49,7 +49,9 @@ public final class RewindJourneyViewController: UIViewController {
     
     private var cancellables: Set<AnyCancellable> = []
     private var presentingImageIndex: Int? {
-        didSet { self.changeProgressViews() }
+        didSet {
+            DispatchQueue.main.async { self.changeProgressViews() }
+        }
     }
     
     // MARK: - Properties: Timer
diff --git a/iOS/Features/RewindJourney/Sources/RewindJourney/Presentation/RewindJourneyViewModel.swift b/iOS/Features/RewindJourney/Sources/RewindJourney/Presentation/RewindJourneyViewModel.swift
index 18447aa..0c5b41e 100644
--- a/iOS/Features/RewindJourney/Sources/RewindJourney/Presentation/RewindJourneyViewModel.swift
+++ b/iOS/Features/RewindJourney/Sources/RewindJourney/Presentation/RewindJourneyViewModel.swift
@@ -85,6 +85,7 @@ private extension RewindJourneyViewModel {
     func startTimer() {
         self.timer = Timer.publish(every: self.timerTimeInterval, on: .main, in: .common)
             .autoconnect()
+            .receive(on: DispatchQueue.global(qos: .background))
             .sink { [weak self] _ in
                 self?.state.timerPublisher.send()
             }