diff --git a/suixinkan/UI/TravelAlbum/TravelAlbumPhotoPreviewViewController.swift b/suixinkan/UI/TravelAlbum/TravelAlbumPhotoPreviewViewController.swift
index 9f57596..27956ed 100644
--- a/suixinkan/UI/TravelAlbum/TravelAlbumPhotoPreviewViewController.swift
+++ b/suixinkan/UI/TravelAlbum/TravelAlbumPhotoPreviewViewController.swift
@@ -138,7 +138,7 @@ final class TravelAlbumPhotoPreviewViewController: UIViewController {
         divider.backgroundColor = UIColor.white.withAlphaComponent(0.12)
 
         var backConfiguration = UIButton.Configuration.plain()
-        backConfiguration.image = UIImage(systemName: "chevron.backward")
+        backConfiguration.image = UIImage(systemName: "chevron.down")
         backConfiguration.preferredSymbolConfigurationForImage = UIImage.SymbolConfiguration(
             pointSize: 21,
             weight: .semibold
diff --git a/suixinkanTests/TravelAlbumDetailViewControllerTests.swift b/suixinkanTests/TravelAlbumDetailViewControllerTests.swift
index d92f3c0..82ee432 100644
--- a/suixinkanTests/TravelAlbumDetailViewControllerTests.swift
+++ b/suixinkanTests/TravelAlbumDetailViewControllerTests.swift
@@ -346,9 +346,11 @@ final class TravelAlbumDetailViewControllerTests: XCTestCase {
                 barMetrics: .default
             )
         )
-        XCTAssertEqual(segmentedControl.bounds.size, CGSize(width: 180, height: 32))
+        XCTAssertEqual(segmentedControl.bounds.width, 180, accuracy: 0.5)
+        XCTAssertEqual(segmentedControl.bounds.height, 32, accuracy: 1)
         XCTAssertGreaterThanOrEqual(highResolutionButton.frame.minX - segmentedControl.frame.maxX, 12)
         XCTAssertEqual(backButton.bounds.size, CGSize(width: 44, height: 44))
+        XCTAssertEqual(backButton.configuration?.image, UIImage(systemName: "chevron.down"))
         XCTAssertNil(backButton.configuration?.baseBackgroundColor)
         XCTAssertEqual(actionStack.spacing, 10)
         XCTAssertTrue(actionStack.isLayoutMarginsRelativeArrangement)