diff --git a/src/main/java/net/lamgc/cgj/bot/event/BotEventHandler.java b/src/main/java/net/lamgc/cgj/bot/event/BotEventHandler.java
index e4e7f07..ec04791 100644
--- a/src/main/java/net/lamgc/cgj/bot/event/BotEventHandler.java
+++ b/src/main/java/net/lamgc/cgj/bot/event/BotEventHandler.java
@@ -52,8 +52,8 @@ public class BotEventHandler implements EventHandler {
      */
     public final static EventExecutor executor = new EventExecutor(new TimeLimitThreadPoolExecutor(
             60 * 1000,
-            Runtime.getRuntime().availableProcessors(),
-            Math.max(Runtime.getRuntime().availableProcessors() * 2, 16),
+            Math.max(Runtime.getRuntime().availableProcessors(), 4),
+            Math.max(Math.max(Runtime.getRuntime().availableProcessors() * 2, 4), 32),
             30L,
     TimeUnit.SECONDS,
             new LinkedBlockingQueue<>(1536),