diff --git a/Runtime/UXComponent/Navigation/UXNavigationRuntime.cs b/Runtime/UXComponent/Navigation/UXNavigationRuntime.cs
index 5cd32c2..b7f7094 100644
--- a/Runtime/UXComponent/Navigation/UXNavigationRuntime.cs
+++ b/Runtime/UXComponent/Navigation/UXNavigationRuntime.cs
@@ -29,7 +29,7 @@ namespace UnityEngine.UI
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterSceneLoad)]
         private static void Bootstrap()
         {
-            if (AppServices.App == null || AppServices.App.Require<IUIService>() == null) return;
+            if (!AppServices.TryGetApp<IUIService>(out var uiService) || uiService == null) return;
             EnsureInstance();
             UXInputModeService.EnsureInstance();
         }
@@ -189,7 +189,7 @@ namespace UnityEngine.UI
                 return;
             }
 
-            IUIService uiModule = AppServices.App.Require<IUIService>();
+            IUIService uiModule = AppServices.RequireApp<IUIService>();
             if (uiModule?.UICanvasRoot == null)
             {
                 return;