diff --git a/src/com/wentch/redkale/net/http/WebSocketServlet.java b/src/com/wentch/redkale/net/http/WebSocketServlet.java
index 926cc0154..b1843512d 100644
--- a/src/com/wentch/redkale/net/http/WebSocketServlet.java
+++ b/src/com/wentch/redkale/net/http/WebSocketServlet.java
@@ -35,7 +35,7 @@ public abstract class WebSocketServlet extends HttpServlet {
     }
 
     @Resource
-    protected WebSocketNodeService nodeService;
+    private WebSocketNodeService nodeService;
 
     protected final WebSocketEngine engine = new WebSocketEngine();