diff --git a/v2rayN/ServiceLib/Helper/DownloaderHelper.cs b/v2rayN/ServiceLib/Helper/DownloaderHelper.cs
index bbae3db5..c1d4c906 100644
--- a/v2rayN/ServiceLib/Helper/DownloaderHelper.cs
+++ b/v2rayN/ServiceLib/Helper/DownloaderHelper.cs
@@ -142,12 +142,13 @@ public class DownloaderHelper
         };
         var downloadOpt = new DownloadConfiguration()
         {
-            ChunkCount = 100,
-            MinimumChunkSize = 8 * 1024 * 1024, // 8 MB
-            MinimumSizeOfChunking = 8 * 1024 * 1024, // 8 MB
+            ChunkCount = 16,
             ParallelDownload = true,
             ParallelCount = 4,
 
+            MinimumChunkSize = 2 * 1024 * 1024, // 2 MB
+            MinimumSizeOfChunking = 4 * 1024 * 1024, // 4 MB
+
             RequestConfiguration = requestConfiguration,
             CustomHttpMessageHandlerFactory = () => GetSocketsHttpHandler(requestConfiguration),
         };