diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
index b14c1cfb..cc78c4f0 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
@@ -75,6 +75,11 @@ namespace YooAsset
         /// </summary>
         public bool AppendFileExtension { private set; get; } = false;
 
+        /// <summary>
+        /// 自定义参数：禁用边玩边下机制
+        /// </summary>
+        public bool DisableOnDemandDownload { private set; get; } = false;
+
         /// <summary>
         /// 自定义参数：最大并发连接数
         /// </summary>
@@ -222,6 +227,10 @@ namespace YooAsset
             {
                 AppendFileExtension = Convert.ToBoolean(value);
             }
+            else if (name == FileSystemParametersDefine.DISABLE_ONDEMAND_DOWNLOAD)
+            {
+                DisableOnDemandDownload = Convert.ToBoolean(value);
+            }
             else if (name == FileSystemParametersDefine.DOWNLOAD_MAX_CONCURRENCY)
             {
                 DownloadMaxConcurrency = Convert.ToInt32(value);
diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSLoadBundleOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSLoadBundleOperation.cs
index 9111ec86..a9396686 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSLoadBundleOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSLoadBundleOperation.cs
@@ -49,7 +49,17 @@ namespace YooAsset
                 }
                 else
                 {
-                    _steps = ESteps.DownloadFile;
+                    if (_fileSystem.DisableOnDemandDownload)
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"The bundle not cached : {_bundle.BundleName}";
+                        YooLogger.Warning(Error);
+                    }
+                    else
+                    {
+                        _steps = ESteps.DownloadFile;
+                    }
                 }
             }
 
diff --git a/Assets/YooAsset/Runtime/FileSystem/FileSystemParametersDefine.cs b/Assets/YooAsset/Runtime/FileSystem/FileSystemParametersDefine.cs
index d9fc543b..2e987d05 100644
--- a/Assets/YooAsset/Runtime/FileSystem/FileSystemParametersDefine.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/FileSystemParametersDefine.cs
@@ -11,6 +11,7 @@ namespace YooAsset
         public const string APPEND_FILE_EXTENSION = "APPEND_FILE_EXTENSION";
         public const string DISABLE_CATALOG_FILE = "DISABLE_CATALOG_FILE";
         public const string DISABLE_UNITY_WEB_CACHE = "DISABLE_UNITY_WEB_CACHE";
+        public const string DISABLE_ONDEMAND_DOWNLOAD = "DISABLE_ONDEMAND_DOWNLOAD    ";
         public const string DOWNLOAD_MAX_CONCURRENCY = "DOWNLOAD_MAX_CONCURRENCY";
         public const string DOWNLOAD_MAX_REQUEST_PER_FRAME = "DOWNLOAD_MAX_REQUEST_PER_FRAME";
         public const string RESUME_DOWNLOAD_MINMUM_SIZE = "RESUME_DOWNLOAD_MINMUM_SIZE";