diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/setting/DownloadProviders.java b/HMCL/src/main/java/org/jackhuang/hmcl/setting/DownloadProviders.java
index 02c3af7be..0b9fd31ec 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/DownloadProviders.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/DownloadProviders.java
@@ -54,10 +54,6 @@ public final class DownloadProviders {
                 () -> Optional.ofNullable(providersById.get(config().getDownloadType()))
                         .orElse(providersById.get(DEFAULT_PROVIDER_ID)),
                 config().downloadTypeProperty());
-
-        FXUtils.onChangeAndOperate(downloadProviderProperty, provider -> {
-            Schedulers.io().setMaximumPoolSize(provider.getConcurrency());
-        });
     }
 
     /**
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/DefaultGameRepository.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/DefaultGameRepository.java
index 9407a5920..a4ce679be 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/DefaultGameRepository.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/DefaultGameRepository.java
@@ -118,7 +118,7 @@ public class DefaultGameRepository implements GameRepository {
 
     @Override
     public File getNativeDirectory(String id) {
-        return new File(getVersionRoot(id), id + "-natives");
+        return new File(getVersionRoot(id), "natives");
     }
 
     @Override
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/Schedulers.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/Schedulers.java
index f3f4260bc..4975b54c3 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/Schedulers.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/Schedulers.java
@@ -42,35 +42,22 @@ public final class Schedulers {
         return CACHED_EXECUTOR;
     }
 
-    private static volatile ThreadPoolExecutor IO_EXECUTOR;
+    private static volatile ExecutorService IO_EXECUTOR;
 
-    public static synchronized ThreadPoolExecutor io() {
-        if (IO_EXECUTOR == null)
-            IO_EXECUTOR = new ThreadPoolExecutor(6, 6,
-                    60L, TimeUnit.SECONDS,
-                    new LinkedBlockingQueue<>(),
+    public static synchronized ExecutorService io() {
+        if (IO_EXECUTOR == null) {
+            int threads = Math.min(Runtime.getRuntime().availableProcessors() * 4, 64);
+            IO_EXECUTOR = Executors.newFixedThreadPool(threads,
                     runnable -> {
                         Thread thread = Executors.defaultThreadFactory().newThread(runnable);
                         thread.setDaemon(true);
                         return thread;
                     });
+        }
 
         return IO_EXECUTOR;
     }
 
-    private static volatile ExecutorService SINGLE_EXECUTOR;
-
-    public static synchronized ExecutorService computation() {
-        if (SINGLE_EXECUTOR == null)
-            SINGLE_EXECUTOR = Executors.newSingleThreadExecutor(runnable -> {
-                Thread thread = Executors.defaultThreadFactory().newThread(runnable);
-                thread.setDaemon(true);
-                return thread;
-            });
-
-        return SINGLE_EXECUTOR;
-    }
-
     public static Executor javafx() {
         return Platform::runLater;
     }
@@ -91,9 +78,6 @@ public final class Schedulers {
 
         if (IO_EXECUTOR != null)
             IO_EXECUTOR.shutdownNow();
-
-        if (SINGLE_EXECUTOR != null)
-            SINGLE_EXECUTOR.shutdownNow();
     }
 
     public static Future<?> schedule(Executor executor, Runnable command) {