diff --git a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobAdsManager.cs b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobAdsManager.cs
index af365d7..4b3e9e2 100644
--- a/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobAdsManager.cs
+++ b/Assets/Script/SDKManager/AdsSDKManager/AdmobAdsManager/AdmobAdsManager.cs
@@ -186,6 +186,7 @@ namespace WZ
 
         public bool IsInterstitialAvailable()
         {
+            if (!_initialized || _interstitialAdUnits.Count == 0) return false;
             return _admobInterstitialAdManager.GetAvailableAdUnits().Count > 0;
         }
 
@@ -321,7 +322,7 @@ namespace WZ
 
         public bool IsNativeAvailable(string adUnitId)
         {
-            return _admobNativeAdManager.IsAdAvailable(adUnitId);
+            return _admobNativeAdManager?.IsAdAvailable(adUnitId) ?? false;
         }
 
         public void DisplayNative(string _adPos, string adUnitId, NativeAdPosition position)
diff --git a/Assets/Script/SDKManager/RushSDKManager.cs b/Assets/Script/SDKManager/RushSDKManager.cs
index 50b9301..bbb4525 100644
--- a/Assets/Script/SDKManager/RushSDKManager.cs
+++ b/Assets/Script/SDKManager/RushSDKManager.cs
@@ -21,7 +21,7 @@ public class RushSDKManager : D_MonoSingleton<RushSDKManager>
     
     public static string GetSDKVersion()
     {
-        return "1.0.4.5";
+        return "1.0.4.6";
     }
     protected override void Initialized()
     {
diff --git a/Assets/Script/Version/Version.md b/Assets/Script/Version/Version.md
index 400e44f..1b9700d 100644
--- a/Assets/Script/Version/Version.md
+++ b/Assets/Script/Version/Version.md
@@ -1,3 +1,17 @@
+# Version 1.0.4.6 2025.10.10
+
+## Bugs
+
+- None
+
+## Known issues
+
+- None
+
+## Changelog
+
+- 修复提前调用native ready接口导致的报错问题
+
 # Version 1.0.4.5 2025.9.29
 
 ## Bugs