diff --git a/src/org/redkale/util/ThreadHashExecutor.java b/src/org/redkale/util/ThreadHashExecutor.java
index 3f874ac89..d34adfa75 100644
--- a/src/org/redkale/util/ThreadHashExecutor.java
+++ b/src/org/redkale/util/ThreadHashExecutor.java
@@ -80,4 +80,8 @@ public class ThreadHashExecutor {
     public boolean isShutdown() {
         return this.executors[0].isShutdown();
     }
+
+    public int size() {
+        return executors.length;
+    }
 }