delay showing banner at first time to avoid crash

src/Starward/AppConfig.cs

@@ -664,6 +664,9 @@ public static void DeleteAllSettings()
     public static bool IsPlayingVideo { get; set; }
 
 
+    public static bool LauncherPageFirstLoaded { get; set; }
+
+
 
     #endregion
 

src/Starward/Pages/LauncherPage.xaml.cs

@@ -85,7 +85,12 @@ protected override async void OnLoaded()
             InitializePlayTime();
             GetGameAccount();
 
-            await Task.Delay(150);
+            if (!AppConfig.LauncherPageFirstLoaded)
+            {
+                // 避免加载窗口和缓存图片同时进行可能导致的崩溃
+                await Task.Delay(150);
+                AppConfig.LauncherPageFirstLoaded = true;
+            }
             await UpdateLauncherContentAsync();
             await UpdateGameNoticesAlertAsync();
         }