diff --git a/KMNavigationBarTransition/UIViewController+KMNavigationBarTransition.m b/KMNavigationBarTransition/UIViewController+KMNavigationBarTransition.m
index 6f4b9e7..2b8122f 100644
--- a/KMNavigationBarTransition/UIViewController+KMNavigationBarTransition.m
+++ b/KMNavigationBarTransition/UIViewController+KMNavigationBarTransition.m
@@ -150,6 +150,11 @@ - (void)km_addTransitionNavigationBarIfNeeded {
     }
     [self.km_transitionNavigationBar removeFromSuperview];
     self.km_transitionNavigationBar = bar;
+    if (@available(iOS 15, *)) {
+        if (bar.scrollEdgeAppearance == nil) {
+            self.km_transitionNavigationBar = nil;
+        }
+    }
     [self km_resizeTransitionNavigationBarFrame];
     if (!self.navigationController.navigationBarHidden && !self.navigationController.navigationBar.hidden) {
         [self.view addSubview:self.km_transitionNavigationBar];