diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/Scheduler/DownloadAndCacheLocalFileOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/Scheduler/DownloadAndCacheLocalFileOperation.cs
index 42555066..c8cbfed1 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/Scheduler/DownloadAndCacheLocalFileOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/Scheduler/DownloadAndCacheLocalFileOperation.cs
@@ -183,13 +183,15 @@ namespace YooAsset
         {
             while (true)
             {
-                //TODO 等待导入或解压本地文件完毕，该操作会挂起主线程！
+                //TODO 更新下载后台，防止无限挂起
                 _fileSystem.DownloadBackend.Update();
+
+                //TODO 等待导入或解压本地文件完毕，该操作会挂起主线程！
                 InternalUpdate();
                 if (IsDone)
                     break;
 
-                // 短暂休眠避免完全卡死
+                //TODO 短暂休眠避免完全卡死
                 System.Threading.Thread.Sleep(1);
             }
         }
diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/Scheduler/DownloadSchedulerOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/Scheduler/DownloadSchedulerOperation.cs
index 943934e6..6f6ff833 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/Scheduler/DownloadSchedulerOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/Scheduler/DownloadSchedulerOperation.cs
@@ -113,6 +113,10 @@ namespace YooAsset
                 }
             }
         }
+        internal override string InternalGetDesc()
+        {
+            return $"{_fileSystem.GetType().FullName}";
+        }
 
         /// <summary>
         /// 中止所有下载任务
diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs
index a3eed620..b88aa886 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs
@@ -76,7 +76,7 @@ namespace YooAsset
                 if (IsDone)
                     break;
 
-                // 短暂休眠避免完全卡死
+                //TODO 短暂休眠避免完全卡死
                 System.Threading.Thread.Sleep(1);
             }
         }
diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultEditorFileSystem/Operation/internal/DownloadVirutalBundleOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultEditorFileSystem/Operation/internal/DownloadVirutalBundleOperation.cs
index 192185bb..ec6ac221 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultEditorFileSystem/Operation/internal/DownloadVirutalBundleOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultEditorFileSystem/Operation/internal/DownloadVirutalBundleOperation.cs
@@ -128,6 +128,7 @@ namespace YooAsset
                 _steps = ESteps.Done;
                 Status = EOperationStatus.Failed;
                 Error = $"Try load bundle {Bundle.BundleName} from remote !";
+                YooLogger.Error(Error);
             }
         }