diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/WechatFileSystem/WechatFileSystem.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/WechatFileSystem/WechatFileSystem.cs
index 1a2a916..21a4c12 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Runtime/WechatFileSystem/WechatFileSystem.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/WechatFileSystem/WechatFileSystem.cs	
@@ -162,6 +162,15 @@ internal class WechatFileSystem : IFileSystem
         return false;
     }
 
+    public virtual byte[] ReadFileData(PackageBundle bundle)
+    {
+        throw new System.NotImplementedException();
+    }
+    public virtual string ReadFileText(PackageBundle bundle)
+    {
+        throw new System.NotImplementedException();
+    }
+
     #region 内部方法
     private string GetWXFileLoadPath(PackageBundle bundle)
     {