diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java b/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java
index 568bb4e09..8762f610d 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java
@@ -106,7 +106,6 @@ public final class Launcher extends Application {
             Schedulers.shutdown();
             Controllers.shutdown();
             Platform.exit();
-            Lang.executeDelayed(OperatingSystem::forceGC, TimeUnit.SECONDS, 5, true);
         });
     }
 
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 b1bd28c76..d8397207b 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/Schedulers.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/Schedulers.java
@@ -73,11 +73,15 @@ public final class Schedulers {
     public static synchronized void shutdown() {
         Logging.LOG.info("Shutting down executor services.");
 
+        // shutdownNow will interrupt all threads.
+        // So when we want to close the app, no threads need to be waited for finish.
+        // Sometimes it resolves the problem that the app does not exit.
+
         if (CACHED_EXECUTOR != null)
-            CACHED_EXECUTOR.shutdown();
+            CACHED_EXECUTOR.shutdownNow();
 
         if (IO_EXECUTOR != null)
-            IO_EXECUTOR.shutdown();
+            IO_EXECUTOR.shutdownNow();
     }
 
     public static Future<?> schedule(Executor executor, Runnable command) {