diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadNormalFileOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadNormalFileOperation.cs
index a4d6f77b..12190fbe 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadNormalFileOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadNormalFileOperation.cs
@@ -168,12 +168,15 @@ namespace YooAsset
         {
             while (true)
             {
-                //TODO 如果是导入或解压本地文件，执行等待完毕
+                //TODO 如果是导入或解压本地文件，执行等待完毕，该操作会挂起主线程！
                 if (_isReuqestLocalFile)
                 {
                     InternalUpdate();
                     if (IsDone)
                         break;
+
+                    // 短暂休眠避免完全卡死
+                    System.Threading.Thread.Sleep(1);
                 }
                 else
                 {
diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadResumeFileOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadResumeFileOperation.cs
index a96fc1a7..9bff229c 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadResumeFileOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadResumeFileOperation.cs
@@ -187,12 +187,15 @@ namespace YooAsset
         {
             while (true)
             {
-                //TODO 如果是导入或解压本地文件，执行等待完毕
+                //TODO 如果是导入或解压本地文件，执行等待完毕，该操作会挂起主线程！
                 if (_isReuqestLocalFile)
                 {
                     InternalUpdate();
                     if (IsDone)
                         break;
+
+                    // 短暂休眠避免完全卡死
+                    System.Threading.Thread.Sleep(1);
                 }
                 else
                 {
diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs
index 032518c0..a3eed620 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs
@@ -71,10 +71,13 @@ namespace YooAsset
         {
             while (true)
             {
-                //TODO 等待子线程验证文件完毕，该操作会挂起主线程
+                //TODO 等待子线程验证文件完毕，该操作会挂起主线程！
                 InternalUpdate();
                 if (IsDone)
                     break;
+
+                // 短暂休眠避免完全卡死
+                System.Threading.Thread.Sleep(1);
             }
         }