diff --git a/Assets/YooAsset/Runtime/PatchSystem/Operations/UpdateManifestOperation.cs b/Assets/YooAsset/Runtime/PatchSystem/Operations/UpdateManifestOperation.cs
index 45773ab..32a8127 100644
--- a/Assets/YooAsset/Runtime/PatchSystem/Operations/UpdateManifestOperation.cs
+++ b/Assets/YooAsset/Runtime/PatchSystem/Operations/UpdateManifestOperation.cs
@@ -113,6 +113,7 @@ namespace YooAsset
 					if (cachedManifestHash == webManifestHash)
 					{
 						YooLogger.Log($"Patch manifest file hash is not change : {webManifestHash}");
+						LoadSandboxPatchManifest(_updateResourceVersion);
 						_steps = ESteps.InitPrepareCache;
 					}
 					else
@@ -140,7 +141,7 @@ namespace YooAsset
 
 				// Check error
 				if (_downloaderManifest.HasError())
-				{			
+				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
 					Error = _downloaderManifest.GetError();
@@ -211,6 +212,17 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 加载沙盒内的补丁清单
+		/// </summary>
+		private void LoadSandboxPatchManifest(int updateResourceVersion)
+		{
+			YooLogger.Log("Load sandbox patch manifest file.");
+			string filePath = PathHelper.MakePersistentLoadPath(YooAssetSettingsData.GetPatchManifestFileName(updateResourceVersion));
+			string jsonData = File.ReadAllText(filePath);
+			_impl.LocalPatchManifest = PatchManifest.Deserialize(jsonData);
+		}
+
 		/// <summary>
 		/// 获取沙盒内补丁清单文件的哈希值
 		/// 注意：如果沙盒内补丁清单文件不存在，返回空字符串