diff --git a/src/main/java/com/knowledge/base/infrastructure/util/ThreadPoolUtil.java b/src/main/java/com/knowledge/base/infrastructure/util/ThreadPoolUtil.java
index 7a744f4..c305446 100644
--- a/src/main/java/com/knowledge/base/infrastructure/util/ThreadPoolUtil.java
+++ b/src/main/java/com/knowledge/base/infrastructure/util/ThreadPoolUtil.java
@@ -11,7 +11,7 @@ import java.util.concurrent.*;
  */
 public class ThreadPoolUtil {
 
-    private static final int CORE_POOL_SIZE = Runtime.getRuntime().availableProcessors();
+    private static final int CORE_POOL_SIZE = Runtime.getRuntime().availableProcessors() + 1;
     private static final int MAX_POOL_SIZE = CORE_POOL_SIZE * 2 + 1;
     private static final int QUEUE_CAPACITY = 500;
     private static final long KEEP_ALIVE_TIME = 60L;