diff --git a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobAdsManager.cs b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobAdsManager.cs
index ae2ae34..1a2aeb1 100644
--- a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobAdsManager.cs
+++ b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobAdsManager.cs
@@ -6,7 +6,6 @@ using Script.SDKManager.AdsSDKManager.Utils;
 using Script.Utils;
 using SDK.Utils;
 using SDKManager.AdsSDKManager.Constant;
-using Unity.VisualScripting;
 
 namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
 {
@@ -63,8 +62,8 @@ namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
         #region 激励广告功能
         public void LoadRewarded()
         {
-            _admobRewardedAdManager = new AdmobRewardedAdManager();
             _admobRewardedAdManager.Destroy();
+            _admobRewardedAdManager = new AdmobRewardedAdManager();
             _admobRewardedAdManager.InitializeAdUnits(
                 _rewardedAdUnits,
                 OnRewardedAdLoaded,
@@ -115,7 +114,6 @@ namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
 
             _rvCloseCallback?.Invoke(true);
             _rvCloseCallback = null;
-            _admobRewardedAdManager.Destroy();
             LoadRewarded();
         }
 
@@ -123,7 +121,6 @@ namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
         {
             _rvShowFailedCallback?.Invoke();
             _rvShowFailedCallback = null;
-            _admobRewardedAdManager.Destroy();
             LoadRewarded();
         }
 
@@ -142,8 +139,8 @@ namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
         #region 插页广告功能
         public void LoadInterstitial()
         {
-            _admobInterstitialAdManager = new AdmobInterstitialAdManager();
             _admobInterstitialAdManager.Destroy();
+            _admobInterstitialAdManager = new AdmobInterstitialAdManager();
             _admobInterstitialAdManager.InitializeAdUnits(
                 _interstitialAdUnits,
                 OnInterstitialAdLoaded,
@@ -201,7 +198,6 @@ namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
         {
             _ivCloseCallback?.Invoke();
             _ivCloseCallback = null;
-            _admobInterstitialAdManager.Destroy();
             LoadInterstitial();
         }
 
@@ -209,7 +205,6 @@ namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
         {
             _ivCloseCallback?.Invoke();
             _ivCloseCallback = null;
-            _admobInterstitialAdManager.Destroy();
             LoadInterstitial();
         }
         #endregion
@@ -219,8 +214,8 @@ namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
         #region 开屏广告功能
         public void LoadSplash()
         {
-            _admobSplashAdManager = new AdmobSplashAdManager();
             _admobSplashAdManager.Destroy();
+            _admobSplashAdManager = new AdmobSplashAdManager();
             _admobSplashAdManager.InitializeAdUnits(
                 _splashAdUnits,
                 OnSplashAdLoaded,
diff --git a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobUtils.cs b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs
similarity index 100%
rename from Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobUtils.cs
rename to Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs
diff --git a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs.meta b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs.meta
new file mode 100644
index 0000000..b42d2cb
--- /dev/null
+++ b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 3a7b10d4700bc4808b22cd6be81314e8
\ No newline at end of file
diff --git a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobUtils.cs.meta b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobUtils.cs.meta
deleted file mode 100644
index 0a6b527..0000000
--- a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobUtils.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: cc11ff1f480fa4d58969d2154bf532ec
\ No newline at end of file
diff --git a/Assets/Script/SDKManager/AdsSDKManager/AdsSDKManager.cs b/Assets/Script/SDKManager/AdsSDKManager/AdsSDKManager.cs
index 0cf6fd4..5f648a7 100644
--- a/Assets/Script/SDKManager/AdsSDKManager/AdsSDKManager.cs
+++ b/Assets/Script/SDKManager/AdsSDKManager/AdsSDKManager.cs
@@ -8,6 +8,7 @@ using Script.SDKManager.AdsSDKManager.BigoAdsManager;
 using Script.SDKManager.AdsSDKManager.MaxAdsManager;
 using Script.SDKManager.AdsSDKManager.TpnAdsManager;
 using Script.SDKManager.AdsSDKManager.Utils;
+using Script.Utils;
 using SDK.Utils;
 using SDKManager.AdsSDKManager.Constant;
 using UnityEngine;
@@ -27,15 +28,22 @@ public class AdsSDKManager : NormalSingleton<AdsSDKManager>
 
     private void InitSDK()
     {
-        KwaiAdsManager.Instance.Init();
-        AdmobAdsManager.Instance.Initialize();
-        BigoAdsManager.Instance.Initialize();
-        TpnAdsManager.Instance.Initialize();
-        MaxAdsManager.Instance.Initialize();
+        // 初始化广告平台状态
+        BidPlatformManager.Instance.InitializePlatformStates(AdConfigParser.GetAdExpireInSec());
+        InitializeAdNetworks();
+    }
+
+    private void InitializeAdNetworks()
+    {
         _adNetworks.Add(AdmobAdsManager.Instance);
         _adNetworks.Add(BigoAdsManager.Instance);
         _adNetworks.Add(TpnAdsManager.Instance);
         _adNetworks.Add(MaxAdsManager.Instance);
+
+        foreach (var network in _adNetworks)
+        {
+            network.Initialize();
+        }
     }
 
     public bool IsRewardAdReady()
@@ -54,8 +62,9 @@ public class AdsSDKManager : NormalSingleton<AdsSDKManager>
             _showFailedCallback?.Invoke();
             return;
         }
-        
+
         PlatformType result = GetBestPlatformType(false);
+        BidPlatformManager.Instance.RecordBidSuccess(result, AdsType.Rewarded);
         if (result == PlatformType.Max)
         {
             MaxAdsManager.Instance.DisplayRewarded(_adPos, _rewardCallback, _showFailedCallback);
@@ -73,13 +82,14 @@ public class AdsSDKManager : NormalSingleton<AdsSDKManager>
             TpnAdsManager.Instance.DisplayRewarded(_adPos, _rewardCallback, _showFailedCallback);
         }
         else if (result == PlatformType.Kwai)
-        { 
+        {
 
         }
         else
         {
             _showFailedCallback?.Invoke();
-        } 
+        }
+        CheckAndRefreshExpiredBids(AdsType.Rewarded); 
     }
 
     public bool IsInterstitialReady()
@@ -99,15 +109,16 @@ public class AdsSDKManager : NormalSingleton<AdsSDKManager>
             _closeCallback = null;
             return;
         }
-        
+
         PlatformType result = GetBestPlatformType(true);
+        BidPlatformManager.Instance.RecordBidSuccess(result, AdsType.Interstitial);
         if (result == PlatformType.Max)
         {
-            MaxAdsManager.Instance.DisplayInterstitial(_adPos, _IvType, _closeCallback);
+            MaxAdsManager.Instance.DisplayInterstitial(_adPos, _IvType,_closeCallback);
         }
         else if (result == PlatformType.Admob)
         {
-            AdmobAdsManager.Instance.DisplayInterstitial(_adPos, _IvType, _closeCallback);
+            AdmobAdsManager.Instance.DisplayInterstitial(_adPos, _IvType,_closeCallback);
         }
         else if (result == PlatformType.Bigo)
         {
@@ -118,13 +129,15 @@ public class AdsSDKManager : NormalSingleton<AdsSDKManager>
             TpnAdsManager.Instance.DisplayInterstitial(_adPos, _IvType, _closeCallback);
         }
         else if (result == PlatformType.Kwai)
-        { 
+        {
 
         }
         else
         {
             _closeCallback?.Invoke();
         } 
+        // 刷新其他类型广告
+        CheckAndRefreshExpiredBids(AdsType.Interstitial);
     }
 
     private PlatformType GetBestPlatformType(bool isInterstitial)
@@ -135,6 +148,8 @@ public class AdsSDKManager : NormalSingleton<AdsSDKManager>
                 maxPrice: MaxAdsManager.Instance.GetInterstitialRevenue(),
                 admobPrice: AdmobAdsManager.Instance.GetInterstitialRevenue(),
                 bigoPrice: BigoAdsManager.Instance.GetInterstitialRevenue(),
+                // todo : 这里的kwaiPrice暂时设置为0，后续需要根据实际情况设置
+                kwaiPrice: 0,
                 toponAdUnitId: TpnAdsManager.Instance.topon_interstitial_units
             );
             return AdsBidResult.GetPlatformType(priceInfo);
@@ -145,12 +160,143 @@ public class AdsSDKManager : NormalSingleton<AdsSDKManager>
                 maxPrice: MaxAdsManager.Instance.GetRewardedRevenue(),
                 admobPrice: AdmobAdsManager.Instance.GetRewardedRevenue(),
                 bigoPrice: BigoAdsManager.Instance.GetRewardedRevenue(),
+                // todo : 这里的kwaiPrice暂时设置为0，后续需要根据实际情况设置
+                kwaiPrice: 0,
                 toponAdUnitId: TpnAdsManager.Instance.topon_rewarded_units
             );
             return AdsBidResult.GetPlatformType(priceInfo);
         }
     }
 
+    // 检查并刷新过期竞价
+    private void CheckAndRefreshExpiredBids(AdsType _adsType)
+    {
+        Dictionary<PlatformType, List<AdsType>> expiredBids = BidPlatformManager.Instance.GetExpiredBids();
+        
+        foreach (var kvp in expiredBids)
+        {
+            PlatformType platformName = kvp.Key;
+            foreach (AdsType adType in kvp.Value)
+            {
+                if (_adsType == adType)
+                { 
+                    LoggerUtils.Debug($"{platformName} 平台 {adType} 广告竞价已过期，重新加载广告");
+                    RefreshPlatformAds(platformName, adType);
+                } 
+            }
+        }
+    }
+    private void RefreshPlatformAds(PlatformType platformName, AdsType adType)
+    {
+        switch (platformName)
+        {
+            case PlatformType.Admob:
+                RefreshAdmobAds(adType);
+                break;
+            case PlatformType.Tpn:
+                RefreshTopOnAds(adType);
+                break;
+            case PlatformType.Max:
+                RefreshMaxAds(adType);
+                break;
+            case PlatformType.Bigo:
+                RefreshBigoAds(adType);
+                break;
+            case PlatformType.Kwai:
+                RefreshKwaiAds(adType);
+                break;
+            default:
+                break;
+        }
+    }
+
+    private void RefreshAdmobAds(AdsType adType)
+    {
+        switch (adType)
+        {
+            case AdsType.Rewarded:
+                AdmobAdsManager.Instance.LoadRewarded();
+                break;
+            case AdsType.Interstitial:
+                AdmobAdsManager.Instance.LoadInterstitial();
+                break;
+            case AdsType.Banner:
+                AdmobAdsManager.Instance.LoadBanner();
+                break;
+            case AdsType.Native:
+                AdmobAdsManager.Instance.LoadNative();
+                break;
+            case AdsType.Splash:
+                AdmobAdsManager.Instance.LoadSplash();
+                break;
+            default:
+            break;
+        }
+    }
+    
+    // 刷新TopOn广告
+    private void RefreshTopOnAds(AdsType adType)
+    {
+        switch (adType)
+        {
+            case AdsType.Rewarded:
+                TpnAdsManager.Instance.LoadRewarded();
+                break;
+            case AdsType.Interstitial:
+                TpnAdsManager.Instance.LoadInterstitial();
+                break;
+            default:
+            break;
+        }
+    }
+    
+    // 刷新Max广告
+    private void RefreshMaxAds(AdsType adType)
+    {
+        switch (adType)
+        {
+            case AdsType.Rewarded:
+                MaxAdsManager.Instance.LoadRewarded();
+                break;
+            case AdsType.Interstitial:
+                MaxAdsManager.Instance.LoadInterstitial();
+                break;
+            default:
+                break;
+        }
+    }
+    
+    // 刷新Bigo广告
+    private void RefreshBigoAds(AdsType adType)
+    {
+        switch (adType)
+        {
+            case AdsType.Rewarded:
+                BigoAdsManager.Instance.LoadRewarded();
+                break;
+            case AdsType.Interstitial:
+                BigoAdsManager.Instance.LoadInterstitial();
+                break;
+            default:
+                break;
+        }
+    }
+
+    private void RefreshKwaiAds (AdsType adType)
+    {
+        switch (adType)
+        {
+            case AdsType.Rewarded:
+                // todo: 刷新激励广告
+                break;
+            case AdsType.Interstitial:
+                // todo: 刷新插屏广告
+                break;
+            default:
+                break;
+        }
+    }
+
     /// <summary>
     /// 广告看完回调
     /// </summary>
diff --git a/Assets/Script/SDKManager/AdsSDKManager/BigoAdsManager/BigoAdsManager.cs b/Assets/Script/SDKManager/AdsSDKManager/BigoAdsManager/BigoAdsManager.cs
index 2c498eb..12780e2 100644
--- a/Assets/Script/SDKManager/AdsSDKManager/BigoAdsManager/BigoAdsManager.cs
+++ b/Assets/Script/SDKManager/AdsSDKManager/BigoAdsManager/BigoAdsManager.cs
@@ -94,7 +94,6 @@ namespace Script.SDKManager.AdsSDKManager.BigoAdsManager
         {
             _rvCloseCallback?.Invoke(true);
             _rvCloseCallback = null;
-            _rewardedAdManager.Destroy();
             LoadRewarded();
 
         }
@@ -103,7 +102,6 @@ namespace Script.SDKManager.AdsSDKManager.BigoAdsManager
         {
             _rvShowFailedCallback?.Invoke();
             _rvShowFailedCallback = null;
-            _rewardedAdManager.Destroy();
             LoadRewarded();
         }
 
@@ -114,7 +112,7 @@ namespace Script.SDKManager.AdsSDKManager.BigoAdsManager
 
         public void LoadRewarded()
         {
-
+            _rewardedAdManager.Destroy();
             foreach (var adUnitId in _rewardedAdUnits)
             {
                 _rewardedAdManager.LoadAd(adUnitId);
@@ -159,7 +157,6 @@ namespace Script.SDKManager.AdsSDKManager.BigoAdsManager
         {
             _ivCloseCallback?.Invoke();
             _ivCloseCallback = null;
-            _interstitialAdManager.Destroy();
             LoadInterstitial();
         }
 
@@ -167,7 +164,6 @@ namespace Script.SDKManager.AdsSDKManager.BigoAdsManager
         {
             _ivCloseCallback?.Invoke();
             _ivCloseCallback = null;
-            _interstitialAdManager.Destroy();
             LoadInterstitial();
 
         }
@@ -179,6 +175,7 @@ namespace Script.SDKManager.AdsSDKManager.BigoAdsManager
 
         public void LoadInterstitial()
         {
+            _interstitialAdManager.Destroy();
             foreach (var adUnitId in _interstitialAdUnits)
             {
                 _interstitialAdManager.LoadAd(adUnitId);
diff --git a/Assets/Script/SDKManager/AdsSDKManager/Utils/AdConfigParser.cs b/Assets/Script/SDKManager/AdsSDKManager/Utils/AdConfigParser.cs
index bc02b5d..e16da87 100644
--- a/Assets/Script/SDKManager/AdsSDKManager/Utils/AdConfigParser.cs
+++ b/Assets/Script/SDKManager/AdsSDKManager/Utils/AdConfigParser.cs
@@ -177,7 +177,7 @@ namespace Script.SDKManager.AdsSDKManager.Utils
         /// </summary>
         public static int GetAdExpireInSec()
         {
-            return _config?.ad_expire_in_sec ?? 3000; // 默认值
+            return _config?.ad_expire_in_sec ?? -1; // 默认值
         }
         
         /// <summary>
diff --git a/Assets/Script/SDKManager/AdsSDKManager/Utils/AdsBidResult.cs b/Assets/Script/SDKManager/AdsSDKManager/Utils/AdsBidResult.cs
index cce3736..e73e795 100644
--- a/Assets/Script/SDKManager/AdsSDKManager/Utils/AdsBidResult.cs
+++ b/Assets/Script/SDKManager/AdsSDKManager/Utils/AdsBidResult.cs
@@ -11,13 +11,15 @@ namespace Script.SDKManager.AdsSDKManager.Utils
         public double MaxPrice;
         public double AdmobPrice;
         public double BigoPrice;
+        public double KwaiPrice;
         public string ToponAdUnitId;
         
-        public AdPriceInfo(double maxPrice, double admobPrice, double bigoPrice, string toponAdUnitId)
+        public AdPriceInfo(double maxPrice, double admobPrice, double bigoPrice, double kwaiPrice,string toponAdUnitId)
         {
             MaxPrice = maxPrice;
             AdmobPrice = admobPrice;
             BigoPrice = bigoPrice;
+            KwaiPrice = kwaiPrice;
             ToponAdUnitId = toponAdUnitId;
         }
     }
@@ -27,6 +29,7 @@ namespace Script.SDKManager.AdsSDKManager.Utils
         private static object m_maxObj = "m_maxObj";
         private static object m_admobObj = "m_admobObj";
         private static object m_bigoObj = "m_bigoObj";
+        private static object m_kwaiObj = "m_kwaiObj";
         public static PlatformType GetPlatformType(AdPriceInfo priceInfo)
         {
 #if UNITY_ANDROID && !UNITY_EDITOR
@@ -37,12 +40,15 @@ namespace Script.SDKManager.AdsSDKManager.Utils
                 AndroidJavaObject admobCustomContentInfo = new AndroidJavaObject("com.anythink.core.api.ATCustomContentInfo", priceInfo.AdmobPrice * 1000, m_admobObj);
                 AndroidJavaObject maxCustomContentInfo = new AndroidJavaObject("com.anythink.core.api.ATCustomContentInfo", priceInfo.MaxPrice * 1000, m_maxObj);
                 AndroidJavaObject bigoCustomContentInfo = new AndroidJavaObject("com.anythink.core.api.ATCustomContentInfo", priceInfo.BigoPrice * 1000, m_bigoObj);
+                AndroidJavaObject kwaiCustomContentInfo = new AndroidJavaObject("com.anythink.core.api.ATCustomContentInfo", priceInfo.KwaiPrice * 1000, m_kwaiObj);
+
 
                 AndroidJavaObject atCustomContentInfoList = new AndroidJavaObject("java.util.ArrayList");
                 atCustomContentInfoList.Call<bool>("add", toponCustomContentInfo);
                 atCustomContentInfoList.Call<bool>("add", admobCustomContentInfo);
                 atCustomContentInfoList.Call<bool>("add", maxCustomContentInfo);
                 atCustomContentInfoList.Call<bool>("add", bigoCustomContentInfo);
+                atCustomContentInfoList.Call<bool>("add", kwaiCustomContentInfo);
 
                 AndroidJavaClass sdkGlobalSetting = new AndroidJavaClass("com.anythink.core.api.ATSDKGlobalSetting");
                 AndroidJavaObject maxPriceCustomContentInfo = sdkGlobalSetting.CallStatic<AndroidJavaObject>("customContentReviewResult", atCustomContentInfoList);
@@ -52,7 +58,7 @@ namespace Script.SDKManager.AdsSDKManager.Utils
                 AndroidJavaObject customContentObject = maxPriceCustomContentInfo.Get<AndroidJavaObject>("customContentObject");
 
                 string customContentObjectString = customContentObject != null ? customContentObject.Call<string>("toString") : "null";
-                LoggerUtils.Debug("[AdsBidResult] maxPrice: " + priceInfo.MaxPrice * 1000 + " bigoPrice: " + priceInfo.BigoPrice * 1000 + " admobPrice: " + priceInfo.AdmobPrice * 1000);
+                LoggerUtils.Debug("[AdsBidResult] maxPrice: " + priceInfo.MaxPrice * 1000 + " bigoPrice: " + priceInfo.BigoPrice * 1000 + " admobPrice: " + priceInfo.AdmobPrice * 1000 + " kwaiPrice: " + priceInfo.KwaiPrice * 1000 + " toponAdUnitId: " + priceInfo.ToponAdUnitId);
                 LoggerUtils.Debug("[AdsBidResult] final maxPriceCustomContentInfo: " + customContentString + " double: " + customContentDouble + " object:" + customContentObjectString);
                 if (customContentObjectString.Equals(m_toponObj))
                 {
@@ -70,6 +76,10 @@ namespace Script.SDKManager.AdsSDKManager.Utils
                 {
                     return PlatformType.Bigo;
                 }
+                else if (customContentObjectString.Equals(m_kwaiObj))
+                { 
+                    return PlatformType.Kwai;
+                }
                 else
                 {
                     return PlatformType.NULL;
diff --git a/Assets/Script/SDKManager/AdsSDKManager/Utils/BidPlatformManager.cs b/Assets/Script/SDKManager/AdsSDKManager/Utils/BidPlatformManager.cs
new file mode 100644
index 0000000..4354734
--- /dev/null
+++ b/Assets/Script/SDKManager/AdsSDKManager/Utils/BidPlatformManager.cs
@@ -0,0 +1,142 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using Script.Utils;
+using SDK.Utils;
+using UnityEngine;
+using DKManager.AdsSDKManager.Constant;
+using SDKManager.AdsSDKManager.Constant;
+
+namespace Script.SDKManager.AdsSDKManager.Utils
+{
+    [Serializable]
+    public class AdTypeBidState
+    {
+        public AdsType AdType;
+        public DateTime LastBidSuccessTime;
+        
+        public AdTypeBidState(AdsType adType)
+        {
+            AdType = adType;
+            LastBidSuccessTime = DateTime.MinValue;
+        }
+        
+        public bool IsBidExpired(int expireInSec)
+        {
+            // 如果功能关闭，则不视为过期
+            if (expireInSec == -1) return false;
+            
+            // 如果从未成功竞价过，则视为过期
+            // if (LastBidSuccessTime == DateTime.MinValue) return true;
+            
+            // 检查是否超过过期时间
+            TimeSpan timeSinceLastBid = DateTime.Now - LastBidSuccessTime;
+            return timeSinceLastBid.TotalSeconds > expireInSec;
+        }
+    }
+    
+    [Serializable]
+    public class BidPlatformState
+    {
+        public PlatformType PlatformName;
+        public bool IsEnabled = true;
+        
+        // 每种广告类型的竞价状态
+        public Dictionary<AdsType, AdTypeBidState> AdTypeStates = new Dictionary<AdsType, AdTypeBidState>();
+        
+        public BidPlatformState(PlatformType platformName)
+        {
+            PlatformName = platformName;
+            
+            // 初始化所有广告类型的状态
+            foreach (AdsType adType in Enum.GetValues(typeof(AdsType)))
+            {
+                AdTypeStates.Add(adType, new AdTypeBidState(adType));
+            }
+        }
+        
+        // 记录特定广告类型的竞价成功
+        public void RecordBidSuccess(AdsType adType)
+        {
+            if (AdTypeStates.TryGetValue(adType, out var state))
+            {
+                state.LastBidSuccessTime = DateTime.Now;
+                Debug.Log($"{PlatformName} 平台 {adType} 广告竞价成功，记录时间: {state.LastBidSuccessTime}");
+            }
+        }
+        
+        // 检查特定广告类型的竞价是否过期
+        public bool IsBidExpired(AdsType adType, int expireInSec)
+        {
+            if (!IsEnabled || expireInSec == -1) return false;
+            
+            if (AdTypeStates.TryGetValue(adType, out var state))
+            {
+                return state.IsBidExpired(expireInSec);
+            }
+            
+            return false;
+        }
+        
+        // 获取所有过期的广告类型
+        public List<AdsType> GetExpiredAdTypes(int expireInSec)
+        {
+            List<AdsType> expiredAdTypes = new List<AdsType>();
+            
+            if (!IsEnabled || expireInSec == -1) return expiredAdTypes;
+            
+            foreach (var kvp in AdTypeStates)
+            {
+                if (kvp.Value.IsBidExpired(expireInSec))
+                {
+                    expiredAdTypes.Add(kvp.Key);
+                }
+            }
+            
+            return expiredAdTypes;
+        }
+    }
+    public class BidPlatformManager : NormalSingleton<BidPlatformManager>
+    {
+        private Dictionary<PlatformType, BidPlatformState> _platformStates = new Dictionary<PlatformType, BidPlatformState>();
+        private int _bidExpireInSec = -1;
+
+        public void InitializePlatformStates(int expireInSec)
+        {
+            _bidExpireInSec = expireInSec;
+            _platformStates.Clear();
+            _platformStates.Add(PlatformType.Admob, new BidPlatformState(PlatformType.Admob));
+            _platformStates.Add(PlatformType.Tpn, new BidPlatformState(PlatformType.Tpn));
+            _platformStates.Add(PlatformType.Max, new BidPlatformState(PlatformType.Max));
+            _platformStates.Add(PlatformType.Bigo, new BidPlatformState(PlatformType.Bigo));
+            _platformStates.Add(PlatformType.Kwai, new BidPlatformState(PlatformType.Kwai));
+        }
+
+        // 记录平台竞价成功
+        public void RecordBidSuccess(PlatformType platformName, AdsType adType)
+        {
+            if (_platformStates.TryGetValue(platformName, out var state))
+            {
+                state.RecordBidSuccess(adType);
+            }
+        }
+        // 获取所有过期平台
+        public Dictionary<PlatformType, List<AdsType>> GetExpiredBids()
+        {
+            Dictionary<PlatformType, List<AdsType>> expiredBids = new Dictionary<PlatformType, List<AdsType>>();
+
+            if (_bidExpireInSec == -1) return expiredBids;
+
+            foreach (var kvp in _platformStates)
+            {
+                List<AdsType> expiredAdTypes = kvp.Value.GetExpiredAdTypes(_bidExpireInSec);
+                if (expiredAdTypes.Count > 0)
+                {
+                    expiredBids.Add(kvp.Key, expiredAdTypes);
+                }
+            }
+
+            return expiredBids;
+        }
+    }
+}
diff --git a/Assets/Script/SDKManager/AdsSDKManager/Utils/BidPlatformManager.cs.meta b/Assets/Script/SDKManager/AdsSDKManager/Utils/BidPlatformManager.cs.meta
new file mode 100644
index 0000000..00cd42f
--- /dev/null
+++ b/Assets/Script/SDKManager/AdsSDKManager/Utils/BidPlatformManager.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 8b14631fb6b6547ee9890a43a8ecb2a7
\ No newline at end of file