diff --git a/Runtime/GuruCore/Runtime/Ads/ADService.cs b/Runtime/GuruCore/Runtime/Ads/ADService.cs
index 2a6808c..7a754a2 100644
--- a/Runtime/GuruCore/Runtime/Ads/ADService.cs
+++ b/Runtime/GuruCore/Runtime/Ads/ADService.cs
@@ -124,6 +124,7 @@ namespace Guru
         public override void RequestInterstitialAD()
         {
 	        if (!IsInitialized) return;
+	        if (IsIadsLoading) return;
 	        OnChannelLoadInterstitialAD();
         }
 
@@ -154,6 +155,7 @@ namespace Guru
         public override void RequestRewardedAD()
         {
 	        if (!IsInitialized) return;
+	        if (IsRadsLoading) return;
 	        OnChannelLoadRewardAD();
         }
         
diff --git a/Runtime/GuruCore/Runtime/Ads/ADServiceBase.cs b/Runtime/GuruCore/Runtime/Ads/ADServiceBase.cs
index 36f3efe..0468424 100644
--- a/Runtime/GuruCore/Runtime/Ads/ADServiceBase.cs
+++ b/Runtime/GuruCore/Runtime/Ads/ADServiceBase.cs
@@ -342,11 +342,15 @@ namespace Guru
         private int _interstitialRetryAttempt;
         protected float _iadsLoadStartTime;
         private Action _interstitialDismissAction;
+        protected bool _isIadsLoading = false;
+        public bool IsIadsLoading => _isIadsLoading;
 
         public virtual void RequestInterstitialAD()
         {
-            if (!CanLoadAds())
-                return;
+            if (!CanLoadAds()) return;
+            
+            if(_isIadsLoading) return;
+            _isIadsLoading = true;
 
             LoadMaxInterstitial();
         }
@@ -368,9 +372,7 @@ namespace Guru
 
         public bool IsInterstitialADReady()
         {
-            if (!IsInitialized)
-                return false;
-
+            if (!IsInitialized) return false;
             return MaxSdk.IsInterstitialReady(GetInterstitialID());
         }
 
@@ -398,11 +400,12 @@ namespace Guru
             _interstitialDismissAction = dismissAction;
             MaxSdk.ShowInterstitial(GetInterstitialID());
 
-            RequestInterstitialAD(); // 直接加载下一个广告
+            // RequestInterstitialAD(); // 直接加载下一个广告
         }
 
         protected virtual void OnInterstitialLoadedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
         {
+            _isIadsLoading = false;
             // Interstitial ad is ready to be shown. MaxSdk.IsInterstitialReady(interstitialAdUnitId) will now return 'true'
             // Reset retry attempt
             // Analytics.ADIadsLoaded(adUnitId, GetAdsLoadDuration(ref _iadsLoadStartTime), _iadsCategory);
@@ -415,6 +418,7 @@ namespace Guru
 
         protected virtual void OnInterstitialFailedEvent(string adUnitId, MaxSdkBase.ErrorInfo errorInfo)
         {
+            _isIadsLoading = false;
             // Interstitial ad failed to load 
             // We recommend retrying with exponentially higher delays up to a maximum delay (in this case 64 seconds)
             this.LogError(
@@ -477,12 +481,16 @@ namespace Guru
         private Action _rewardAction;
         private Action<string> _failAction;
         private Action _dismissAction;
+        protected bool _isRadsLoading = false;
+        public bool IsRadsLoading => _isRadsLoading;
 
         public virtual void RequestRewardedAD()
         {
-            if (!IsInitialized)
-                return;
+            if (!CanLoadAds()) return;
 
+            if (_isRadsLoading) return;
+            _isRadsLoading = true;
+            
             LoadMaxRewardAd();
         }
 
@@ -492,6 +500,8 @@ namespace Guru
         /// </summary>
         protected void LoadMaxRewardAd(string unitId = "")
         {
+            if (IsRadsLoading) return;
+            
             OnLoadRads();
             var id = GetRewardedVideoID();
             Analytics.ADRadsLoad(AdParams.Build(id)); // 上报打点
@@ -539,11 +549,13 @@ namespace Guru
             _dismissAction = dismissAction;
             MaxSdk.ShowRewardedAd(GetRewardedVideoID());
 
-            RequestRewardedAD();
+            // RequestRewardedAD();
         }
 
         protected virtual void OnRewardedAdLoadedEvent(string adUnitId, MaxSdkBase.AdInfo adInfo)
         {
+            _isRadsLoading = false;
+            
             // Rewarded ad is ready to be shown. MaxSdk.IsRewardedAdReady(rewardedAdUnitId) will now return 'true'
             // Reset retry attempt
             // this.Log("OnRewardedAdLoadedEvent");
@@ -557,6 +569,8 @@ namespace Guru
 
         protected virtual void OnRewardedAdFailedEvent(string adUnitId, MaxSdkBase.ErrorInfo errorInfo)
         {
+            _isRadsLoading = false;
+            
             // Rewarded ad failed to load 
             // We recommend retrying with exponentially higher delays up to a maximum delay (in this case 64 seconds)
             this.LogError(