diff --git a/src/org/redkale/net/http/WebSocketServlet.java b/src/org/redkale/net/http/WebSocketServlet.java
index 48f7a0c19..6beef6625 100644
--- a/src/org/redkale/net/http/WebSocketServlet.java
+++ b/src/org/redkale/net/http/WebSocketServlet.java
@@ -177,7 +177,7 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
         return null;
     }
 
-    protected abstract WebSocket createWebSocket();
+    protected abstract <T> WebSocket<T> createWebSocket();
 
     private static MessageDigest getMessageDigest() {
         try {