diff --git a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs
index c3fade2..c396952 100644
--- a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs
+++ b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/Utils/AdmobTools.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using GoogleMobileAds.Api;
@@ -7,77 +8,218 @@ using Newtonsoft.Json.Linq;
 
 namespace WZ
 {
-    public class AdmobUtils
+    abstract class IStack
     {
-        public static string ParseResponseInfo(ResponseInfo responseInfo)
-        {
-            string pubid = "";
+        public abstract string GetStackName();
+        protected abstract string[] GetBannerStack();
+        protected abstract string[] GetSpStack();
+        protected abstract string[] GetIvStack();
+        protected abstract string[] GetRvStack();
+        protected abstract string[] GetNaStack();
 
-            try
+        public string[] GetStackFromName(string stackName)
+        {
+            return stackName switch
             {
-                string responseInfoJson = responseInfo.ToString();
-                JObject responseInfoObj = JObject.Parse(responseInfoJson);
-                JToken loadedAdapterResponse = responseInfoObj["Response Extras"];
-
-                if (loadedAdapterResponse != null)
-                {
-                    pubid = loadedAdapterResponse["mediation_group_name"]?.ToString();
-                }
-            }
-            catch
-            {
-            }
-
-            return pubid;
+                "BannerStack" => GetBannerStack(),
+                "SpStack" => GetSpStack(),
+                "IvStack" => GetIvStack(),
+                "RvStack" => GetRvStack(),
+                "NaStack" => GetNaStack(),
+                _ => Array.Empty<string>()
+            };
         }
+    }
 
-        public static double GetBannerEcpm(BannerView bannerView)
-        {
-            return GetEcpm(bannerView, "bannerView", "adView", BannerStack);
-        }
-
-        public static double GetRewardedAdEcpm(RewardedAd rewardedAd)
-        {
-            return GetEcpm(rewardedAd, "androidRewardedAd", "rewardedAd", RvStack);
-        }
-
-        public static double GetInterstitialAdEcpm(InterstitialAd interstitialAd)
-        {
-            return GetEcpm(interstitialAd, "androidInterstitialAd", "interstitialAd", IvStack);
-        }
-
-        public static double GetAppOpenAdEcpm(AppOpenAd appOpenAd)
-        {
-            return GetEcpm(appOpenAd, "androidAppOpenAd", "appOpenAd", SpStack);
-        }
-
-
-        public static double GetNativeEcpm(NativeOverlayAd ad)
-        {
-            return GetEcpm(ad, "nativeOverlayAd", "nativeAd", NaStack);
-        }
-
-        private static double GetEcpm(object o, string cShapeFieldName, string javaFieldName, string[] stack)
-        {
-            try
-            {
-                return GetEcpm(GetAdValue(GetJavaAdViewOjb(o, cShapeFieldName, javaFieldName), stack));
-            }
-            catch (Exception e)
-            {
-                LoggerUtils.Error("[AdmobTools] e : " + e.Message + "\t cShapeFieldName : " + cShapeFieldName);
-            }
-
-            return -1;
-        }
-
-
+    internal class Stack1 : IStack
+    {
         private static readonly string[] BannerStack = { "zza", "zzj", "zzi", "zze", "zza", "zzk", "zzae" };
         private static readonly string[] SpStack = { "zzb", "zza", "zzc", "zza", "zzk", "zzae" };
         private static readonly string[] IvStack = { "zzc", "zzj", "zzf", "zzd", "zzae" };
         private static readonly string[] RvStack = { "zzb", "zzi", "zze", "zze", "zzae" };
         private static readonly string[] NaStack = { "zza", "zzb", "zzf", "zzD", "zzb", "zzae" };
 
+        public override string GetStackName()
+        {
+            return "Stack1";
+        }
+
+        protected override string[] GetBannerStack()
+        {
+            return BannerStack;
+        }
+
+        protected override string[] GetSpStack()
+        {
+            return SpStack;
+        }
+
+        protected override string[] GetIvStack()
+        {
+            return IvStack;
+        }
+
+        protected override string[] GetRvStack()
+        {
+            return RvStack;
+        }
+
+        protected override string[] GetNaStack()
+        {
+            return NaStack;
+        }
+    }
+
+    internal class Stack2 : IStack
+    {
+        private static readonly string[] BannerStack = { "zza", "zzj", "zza", "a", "a", "e", "a", "e", "ae" };
+        private static readonly string[] SpStack = { "zzb", "zza", "a", "a", "a", "e", "ae" };
+        private static readonly string[] IvStack = { "zzc", "zza", "a", "a", "d", "d", "ae" };
+        private static readonly string[] RvStack = { "zzb", "zza", "b", "g", "e", "ae" };
+        private static readonly string[] NaStack = { "zza", "zza", "b", "c", "c", "ae" };
+
+        public override string GetStackName()
+        {
+            return "Stack2";
+        }
+
+        protected override string[] GetBannerStack()
+        {
+            return BannerStack;
+        }
+
+        protected override string[] GetSpStack()
+        {
+            return SpStack;
+        }
+
+        protected override string[] GetIvStack()
+        {
+            return IvStack;
+        }
+
+        protected override string[] GetRvStack()
+        {
+            return RvStack;
+        }
+
+        protected override string[] GetNaStack()
+        {
+            return NaStack;
+        }
+    }
+
+    internal class EmptyStack : IStack
+    {
+        public override string GetStackName()
+        {
+            return "EmptyStack";
+        }
+
+        protected override string[] GetBannerStack()
+        {
+            return Array.Empty<string>();
+        }
+
+        protected override string[] GetSpStack()
+        {
+            return Array.Empty<string>();
+        }
+
+        protected override string[] GetIvStack()
+        {
+            return Array.Empty<string>();
+        }
+
+        protected override string[] GetRvStack()
+        {
+            return Array.Empty<string>();
+        }
+
+        protected override string[] GetNaStack()
+        {
+            return Array.Empty<string>();
+        }
+    }
+
+
+    public class AdmobUtils
+    {
+        private static IStack _stack;
+
+        private static readonly List<IStack> AvailableStrategies = new()
+        {
+            new Stack1(),
+            new Stack2()
+            // 新增策略只需在此处添加
+        };
+
+        public static double GetBannerEcpm(BannerView bannerView)
+        {
+            return GetEcpm(bannerView, "bannerView", "adView", "BannerStack");
+        }
+
+        public static double GetRewardedAdEcpm(RewardedAd rewardedAd)
+        {
+            return GetEcpm(rewardedAd, "androidRewardedAd", "rewardedAd", "RvStack");
+        }
+
+        public static double GetInterstitialAdEcpm(InterstitialAd interstitialAd)
+        {
+            return GetEcpm(interstitialAd, "androidInterstitialAd", "interstitialAd", "IvStack");
+        }
+
+        public static double GetAppOpenAdEcpm(AppOpenAd appOpenAd)
+        {
+            return GetEcpm(appOpenAd, "androidAppOpenAd", "appOpenAd", "SpStack");
+        }
+
+
+        public static double GetNativeEcpm(NativeOverlayAd ad)
+        {
+            return GetEcpm(ad, "nativeOverlayAd", "nativeAd", "NaStack");
+        }
+
+        private static double GetEcpm(object o, string cShapeFieldName, string javaFieldName, string stack)
+        {
+            if (_stack is EmptyStack)
+            {
+                return -0.1;
+            }
+
+            try
+            {
+                if (_stack != null)
+                {
+                    return GetEcpm(GetAdValue(GetJavaAdViewOjb(o, cShapeFieldName, javaFieldName), _stack.GetStackFromName(stack)));
+                }
+            }
+            catch (Exception e)
+            {
+                LoggerUtils.Error("[AdmobTools] e : " + e.Message + "\t cShapeFieldName : " + cShapeFieldName);
+                return -0.2;
+            }
+
+
+            foreach (var availableStrategy in AvailableStrategies)
+            {
+                try
+                {
+                    var ecpm = GetEcpm(GetAdValue(GetJavaAdViewOjb(o, cShapeFieldName, javaFieldName), availableStrategy.GetStackFromName(stack)));
+                    _stack = availableStrategy;
+                    LoggerUtils.Debug("[AdmobTools] stack name  : " + _stack.GetStackName());
+                    return ecpm;
+                }
+                catch (Exception e)
+                {
+                    LoggerUtils.Error("[AdmobTools] stack name " + availableStrategy.GetStackName() + "e : " + e.Message + "\t cShapeFieldName : " + cShapeFieldName);
+                }
+            }
+
+            _stack = new EmptyStack();
+
+            return -1.0;
+        }
 
         /// <summary>
         /// 获取java ad view 对象