diff --git a/Assets/YooAsset/Runtime/PackageSystem/BundleInfo.cs b/Assets/YooAsset/Runtime/PackageSystem/BundleInfo.cs
index a3d9e15..99b662a 100644
--- a/Assets/YooAsset/Runtime/PackageSystem/BundleInfo.cs
+++ b/Assets/YooAsset/Runtime/PackageSystem/BundleInfo.cs
@@ -30,7 +30,12 @@ namespace YooAsset
 		/// 开发者分发的文件地址
 		/// </summary>
 		public string DeliveryFilePath { private set; get; }
-		
+
+		/// <summary>
+		/// 开发者分发的文件偏移量
+		/// </summary>
+		public ulong DeliveryFileOffset { private set; get; }
+
 		/// <summary>
 		/// 注意：该字段只用于帮助编辑器下的模拟模式。
 		/// </summary>
@@ -47,14 +52,16 @@ namespace YooAsset
 			RemoteMainURL = mainURL;
 			RemoteFallbackURL = fallbackURL;
 			DeliveryFilePath = string.Empty;
+			DeliveryFileOffset = 0;
 		}
-		public BundleInfo(PackageBundle bundle, ELoadMode loadMode, string deliveryFilePath)
+		public BundleInfo(PackageBundle bundle, ELoadMode loadMode, string deliveryFilePath, ulong deliveryFileOffset)
 		{
 			Bundle = bundle;
 			LoadMode = loadMode;
 			RemoteMainURL = string.Empty;
 			RemoteFallbackURL = string.Empty;
 			DeliveryFilePath = deliveryFilePath;
+			DeliveryFileOffset = deliveryFileOffset;
 		}
 		public BundleInfo(PackageBundle bundle, ELoadMode loadMode)
 		{
@@ -63,6 +70,7 @@ namespace YooAsset
 			RemoteMainURL = string.Empty;
 			RemoteFallbackURL = string.Empty;
 			DeliveryFilePath = string.Empty;
+			DeliveryFileOffset = 0;
 		}
 
 		/// <summary>
diff --git a/Assets/YooAsset/Runtime/PackageSystem/PlayMode/HostPlayModeImpl.cs b/Assets/YooAsset/Runtime/PackageSystem/PlayMode/HostPlayModeImpl.cs
index edca06d..9575c6f 100644
--- a/Assets/YooAsset/Runtime/PackageSystem/PlayMode/HostPlayModeImpl.cs
+++ b/Assets/YooAsset/Runtime/PackageSystem/PlayMode/HostPlayModeImpl.cs
@@ -60,13 +60,13 @@ namespace YooAsset
 		{
 			return CacheSystem.IsCached(packageBundle.PackageName, packageBundle.CacheGUID);
 		}
-		private bool IsDeliveryPackageBundle(PackageBundle packageBundle, out string deliveryFilePath)
+		private bool IsDeliveryPackageBundle(PackageBundle packageBundle)
 		{
-			deliveryFilePath = _queryServices.QueryDeliveryFiles(_packageName, packageBundle.FileName);
-			if (string.IsNullOrEmpty(deliveryFilePath))
-				return false;
-			else
-				return true;
+			return _queryServices.QueryDeliveryFiles(_packageName, packageBundle.FileName);
+		}
+		private DeliveryFileInfo GetDeiveryFileInfo(PackageBundle packageBundle)
+		{
+			return _queryServices.GetDeliveryFileInfo(_packageName, packageBundle.FileName);
 		}
 
 		#region IPlayModeServices接口
@@ -119,6 +119,10 @@ namespace YooAsset
 			List<PackageBundle> downloadList = new List<PackageBundle>(1000);
 			foreach (var packageBundle in manifest.BundleList)
 			{
+				// 忽略分发文件
+				if (IsDeliveryPackageBundle(packageBundle))
+					continue;
+
 				// 忽略缓存文件
 				if (IsCachedPackageBundle(packageBundle))
 					continue;
@@ -144,6 +148,10 @@ namespace YooAsset
 			List<PackageBundle> downloadList = new List<PackageBundle>(1000);
 			foreach (var packageBundle in manifest.BundleList)
 			{
+				// 忽略分发文件
+				if (IsDeliveryPackageBundle(packageBundle))
+					continue;
+
 				// 忽略缓存文件
 				if (IsCachedPackageBundle(packageBundle))
 					continue;
@@ -205,6 +213,10 @@ namespace YooAsset
 			List<PackageBundle> downloadList = new List<PackageBundle>(1000);
 			foreach (var packageBundle in checkList)
 			{
+				// 忽略分发文件
+				if (IsDeliveryPackageBundle(packageBundle))
+					continue;
+
 				// 忽略缓存文件
 				if (IsCachedPackageBundle(packageBundle))
 					continue;
@@ -279,9 +291,10 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 查询分发资源
-			if (IsDeliveryPackageBundle(packageBundle, out string deliveryFilePath))
+			if (IsDeliveryPackageBundle(packageBundle))
 			{
-				BundleInfo bundleInfo = new BundleInfo(packageBundle, BundleInfo.ELoadMode.LoadFromDelivery, deliveryFilePath);
+				DeliveryFileInfo deliveryFileInfo = GetDeiveryFileInfo(packageBundle);
+				BundleInfo bundleInfo = new BundleInfo(packageBundle, BundleInfo.ELoadMode.LoadFromDelivery, deliveryFileInfo.DeliveryFilePath, deliveryFileInfo.DeliveryFileOffset);
 				return bundleInfo;
 			}
 
diff --git a/Assets/YooAsset/Runtime/Services/IQueryServices.cs b/Assets/YooAsset/Runtime/Services/IQueryServices.cs
index 404a5f2..e9ba2f5 100644
--- a/Assets/YooAsset/Runtime/Services/IQueryServices.cs
+++ b/Assets/YooAsset/Runtime/Services/IQueryServices.cs
@@ -1,6 +1,15 @@
 
 namespace YooAsset
 {
+	/// <summary>
+	/// 分发的资源信息
+	/// </summary>
+	public struct DeliveryFileInfo
+	{
+		public string DeliveryFilePath;
+		public ulong DeliveryFileOffset;
+	}
+
 	public interface IQueryServices
 	{
 		/// <summary>
@@ -9,8 +18,13 @@ namespace YooAsset
 		bool QueryStreamingAssets(string packageName, string fileName);
 
 		/// <summary>
-		/// 查询开发者分发的文件加载路径
+		/// 查询是否为开发者分发的资源
 		/// </summary>
-		string QueryDeliveryFiles(string packageName, string fileName);
+		bool QueryDeliveryFiles(string packageName, string fileName);
+
+		/// <summary>
+		/// 获取开发者分发的资源信息
+		/// </summary>
+		DeliveryFileInfo GetDeliveryFileInfo(string packageName, string fileName);
 	}
 }
\ No newline at end of file
diff --git a/Assets/YooAsset/Runtime/Services/Internal/IRemoteServices.cs b/Assets/YooAsset/Runtime/Services/IRemoteServices.cs
similarity index 100%
rename from Assets/YooAsset/Runtime/Services/Internal/IRemoteServices.cs
rename to Assets/YooAsset/Runtime/Services/IRemoteServices.cs
diff --git a/Assets/YooAsset/Runtime/Services/Internal/IRemoteServices.cs.meta b/Assets/YooAsset/Runtime/Services/IRemoteServices.cs.meta
similarity index 100%
rename from Assets/YooAsset/Runtime/Services/Internal/IRemoteServices.cs.meta
rename to Assets/YooAsset/Runtime/Services/IRemoteServices.cs.meta