update: 更新BannerAD Loaded 事件和回调

Runtime/GuruCore/Runtime/Ads/ADServiceBase.cs

@@ -27,6 +27,8 @@ namespace Guru
         protected bool _isAutoLoadAds;
 
         private Action _onSdkInitReady;
+        
+        public static Action OnBannerLoaded;
 
         public static Action OnInterstitialLoaded;
         public static Action OnInterstitialFailed;
@@ -250,6 +252,8 @@ namespace Guru
             // Analytics.ADBadsLoaded(adUnitId, GetAdsLoadDuration(ref _badsloadStartTime), _badsCategory);
             Analytics.ADBadsLoaded(AdParams.Build(adUnitId, adInfo,
                 duration: GetAdsLoadDuration(ref _badsloadStartTime), category: _badsCategory));
+            
+            OnBannerLoaded?.Invoke();
         }
 
         private void OnBannerFailedEvent(string adUnitId, MaxSdkBase.ErrorInfo errorInfo)