diff --git a/Assets/YooAsset/Runtime/ResourcePackage/Operation/PreDownloadContentOperation.cs b/Assets/YooAsset/Runtime/ResourcePackage/Operation/PreDownloadContentOperation.cs
index eda69dc0..5326a3f5 100644
--- a/Assets/YooAsset/Runtime/ResourcePackage/Operation/PreDownloadContentOperation.cs
+++ b/Assets/YooAsset/Runtime/ResourcePackage/Operation/PreDownloadContentOperation.cs
@@ -101,8 +101,7 @@ namespace YooAsset
         /// </summary>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateResourceDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateResourceDownloader(int downloadingMaxNumber, int failedTryAgain)
         {
             if (Status != EOperationStatus.Succeed)
             {
@@ -121,8 +120,7 @@ namespace YooAsset
         /// <param name="tag">资源标签</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateResourceDownloader(string tag, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateResourceDownloader(string tag, int downloadingMaxNumber, int failedTryAgain)
         {
             if (Status != EOperationStatus.Succeed)
             {
@@ -141,8 +139,7 @@ namespace YooAsset
         /// <param name="tags">资源标签列表</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateResourceDownloader(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateResourceDownloader(string[] tags, int downloadingMaxNumber, int failedTryAgain)
         {
             if (Status != EOperationStatus.Succeed)
             {
@@ -161,8 +158,7 @@ namespace YooAsset
         /// <param name="location">资源定位地址</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateBundleDownloader(string location, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(string location, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain)
         {
             if (Status != EOperationStatus.Succeed)
             {
@@ -185,8 +181,7 @@ namespace YooAsset
         /// <param name="locations">资源定位地址列表</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateBundleDownloader(string[] locations, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(string[] locations, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain)
         {
             if (Status != EOperationStatus.Succeed)
             {
diff --git a/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs b/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs
index 53cc733c..452893c5 100644
--- a/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs
+++ b/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs
@@ -966,8 +966,7 @@ namespace YooAsset
         /// </summary>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateResourceDownloader(int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateResourceDownloader(int downloadingMaxNumber, int failedTryAgain)
         {
             DebugCheckInitialize();
             return _playModeImpl.CreateResourceDownloaderByAll(downloadingMaxNumber, failedTryAgain);
@@ -979,8 +978,7 @@ namespace YooAsset
         /// <param name="tag">资源标签</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateResourceDownloader(string tag, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateResourceDownloader(string tag, int downloadingMaxNumber, int failedTryAgain)
         {
             DebugCheckInitialize();
             return _playModeImpl.CreateResourceDownloaderByTags(new string[] { tag }, downloadingMaxNumber, failedTryAgain);
@@ -992,8 +990,7 @@ namespace YooAsset
         /// <param name="tags">资源标签列表</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateResourceDownloader(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateResourceDownloader(string[] tags, int downloadingMaxNumber, int failedTryAgain)
         {
             DebugCheckInitialize();
             return _playModeImpl.CreateResourceDownloaderByTags(tags, downloadingMaxNumber, failedTryAgain);
@@ -1006,15 +1003,14 @@ namespace YooAsset
         /// <param name="recursiveDownload">下载资源对象所属资源包内所有资源对象依赖的资源包</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateBundleDownloader(string location, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(string location, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain)
         {
             DebugCheckInitialize();
             var assetInfo = ConvertLocationToAssetInfo(location, null);
             AssetInfo[] assetInfos = new AssetInfo[] { assetInfo };
             return _playModeImpl.CreateResourceDownloaderByPaths(assetInfos, recursiveDownload, downloadingMaxNumber, failedTryAgain);
         }
-        public ResourceDownloaderOperation CreateBundleDownloader(string location, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(string location, int downloadingMaxNumber, int failedTryAgain)
         {
             return CreateBundleDownloader(location, false, downloadingMaxNumber, failedTryAgain);
         }
@@ -1026,8 +1022,7 @@ namespace YooAsset
         /// <param name="recursiveDownload">下载资源对象所属资源包内所有资源对象依赖的资源包</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateBundleDownloader(string[] locations, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(string[] locations, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain)
         {
             DebugCheckInitialize();
             List<AssetInfo> assetInfos = new List<AssetInfo>(locations.Length);
@@ -1038,7 +1033,7 @@ namespace YooAsset
             }
             return _playModeImpl.CreateResourceDownloaderByPaths(assetInfos.ToArray(), recursiveDownload, downloadingMaxNumber, failedTryAgain);
         }
-        public ResourceDownloaderOperation CreateBundleDownloader(string[] locations, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(string[] locations, int downloadingMaxNumber, int failedTryAgain)
         {
             return CreateBundleDownloader(locations, false, downloadingMaxNumber, failedTryAgain);
         }
@@ -1050,14 +1045,13 @@ namespace YooAsset
         /// <param name="recursiveDownload">下载资源对象所属资源包内所有资源对象依赖的资源包</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateBundleDownloader(AssetInfo assetInfo, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(AssetInfo assetInfo, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain)
         {
             DebugCheckInitialize();
             AssetInfo[] assetInfos = new AssetInfo[] { assetInfo };
             return _playModeImpl.CreateResourceDownloaderByPaths(assetInfos, recursiveDownload, downloadingMaxNumber, failedTryAgain);
         }
-        public ResourceDownloaderOperation CreateBundleDownloader(AssetInfo assetInfo, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(AssetInfo assetInfo, int downloadingMaxNumber, int failedTryAgain)
         {
             return CreateBundleDownloader(assetInfo, false, downloadingMaxNumber, failedTryAgain);
         }
@@ -1069,13 +1063,12 @@ namespace YooAsset
         /// <param name="recursiveDownload">下载资源对象所属资源包内所有资源对象依赖的资源包</param>
         /// <param name="downloadingMaxNumber">同时下载的最大文件数</param>
         /// <param name="failedTryAgain">下载失败的重试次数</param>
-        /// <param name="timeout">超时时间</param>
-        public ResourceDownloaderOperation CreateBundleDownloader(AssetInfo[] assetInfos, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(AssetInfo[] assetInfos, bool recursiveDownload, int downloadingMaxNumber, int failedTryAgain)
         {
             DebugCheckInitialize();
             return _playModeImpl.CreateResourceDownloaderByPaths(assetInfos, recursiveDownload, downloadingMaxNumber, failedTryAgain);
         }
-        public ResourceDownloaderOperation CreateBundleDownloader(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout = 60)
+        public ResourceDownloaderOperation CreateBundleDownloader(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain)
         {
             return CreateBundleDownloader(assetInfos, false, downloadingMaxNumber, failedTryAgain);
         }