diff --git a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobNativeAdManager.cs b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobNativeAdManager.cs
index baf2b42..2860337 100644
--- a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobNativeAdManager.cs
+++ b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobNativeAdManager.cs
@@ -27,6 +27,7 @@ namespace WZ
         private Dictionary<string, int> _retryCounters = new Dictionary<string, int>();
         private Dictionary<string, float> _adStartLoadTimes = new Dictionary<string, float>();
         private Dictionary<string, ShowNativePosition> showingNativeAds = new();
+        private Dictionary<string, bool> TimingRefreshDict = new();
 
         public void InitializeAdUnits(List<string> adUnitIds)
         {
@@ -128,7 +129,7 @@ namespace WZ
                     adUnitId,
                     AdsType.Native,
                     AdmobUtils.GetNativeEcpm(ad));
-                    
+
                 _retryCounters[adUnitId] = 0;
 
 
@@ -143,8 +144,8 @@ namespace WZ
                 ad.OnAdPaid += (AdValue adValue) =>
                 {
                     LoggerUtils.Debug($"[Admob] Native ad paid {adValue.Value} {adValue.CurrencyCode}.");
-                    AdmobAdsManager.Instance.TrackAdImpression(ad?.GetResponseInfo()?.GetLoadedAdapterResponseInfo().AdSourceName??"",
-                        ad?.GetResponseInfo()?.GetLoadedAdapterResponseInfo().AdSourceInstanceId??"",
+                    AdmobAdsManager.Instance.TrackAdImpression(ad?.GetResponseInfo()?.GetLoadedAdapterResponseInfo().AdSourceName ?? "",
+                        ad?.GetResponseInfo()?.GetLoadedAdapterResponseInfo().AdSourceInstanceId ?? "",
                         adValue,
                         AdsType.Native,
                         adUnitId);
@@ -275,6 +276,16 @@ namespace WZ
 
         private void TimingRefresh(string adUnitId)
         {
+            // 同一个id只允许触发一次定时刷新。 避免多次调用show ，多次来触发刷新
+            if (TimingRefreshDict.TryGetValue(adUnitId, out var timingRefresh))
+            {
+                if (timingRefresh)
+                {
+                    LoggerUtils.Debug($"[Admob] Native ad ({adUnitId}) timing refresh finished. 正在刷新中.不用重复刷新.");
+                    return;
+                }
+            }
+
             var nativeReflashGap = int.Parse(FireBaseRemoteConfigManager.Instance.GetRemoteConfigString("Native_Reflash_Gap", "0"));
 
             if (nativeReflashGap <= 0)
@@ -295,10 +306,15 @@ namespace WZ
                 return;
             }
 
+            LoggerUtils.Debug($"[Admob] Native ad ({adUnitId}) timing refresh start. nativeReflashGap = {nativeReflashGap}");
+
+            TimingRefreshDict.AddIfNotExists(adUnitId, true);
+
             WLoom.QueueOnMainThread(o =>
             {
                 var refreshAdUnitId = (string)o;
-                LoggerUtils.Debug($"[Admob] Native ad ({adUnitId}) timing refresh load start refreshAdUnitId : {refreshAdUnitId}.");
+                var remove = TimingRefreshDict.Remove(refreshAdUnitId);
+                LoggerUtils.Debug($"[Admob] Native ad ({adUnitId}) timing refresh load start refreshAdUnitId : {refreshAdUnitId}. TimingRefreshDict.Remove = {remove}");
                 if (showingNativeAds.ContainsKey(refreshAdUnitId))
                 {
                     LoadAd(refreshAdUnitId, true);
@@ -332,10 +348,10 @@ namespace WZ
         public string GetHighestPayingAdUnit()
         {
             return _adRevenueCache
-                    .Where(kvp => IsAdAvailable(kvp.Key))  
-                    .OrderByDescending(kvp => kvp.Value)  
-                    .Select(kvp => kvp.Key)                
-                    .FirstOrDefault();                     
+                .Where(kvp => IsAdAvailable(kvp.Key))
+                .OrderByDescending(kvp => kvp.Value)
+                .Select(kvp => kvp.Key)
+                .FirstOrDefault();
         }
 
         // 获取价格最高的广告收益信息