diff --git a/src/org/redkale/boot/NodeHttpServer.java b/src/org/redkale/boot/NodeHttpServer.java
index c2cd90cd2..f529782f7 100644
--- a/src/org/redkale/boot/NodeHttpServer.java
+++ b/src/org/redkale/boot/NodeHttpServer.java
@@ -329,7 +329,7 @@ public class NodeHttpServer extends NodeServer {
                     return;
                 }
                 restedObjects.add(stype); //避免重复创建Rest对象
-                HttpServlet servlet = httpServer.addRestWebSocketServlet(serverClassLoader, stype, prefix, en.getProperty());
+                WebSocketServlet servlet = httpServer.addRestWebSocketServlet(serverClassLoader, stype, prefix, en.getProperty());
                 if (servlet == null) return; //没有RestOnMessage方法的HttpServlet调用Rest.createRestWebSocketServlet就会返回null 
                 String prefix2 = prefix;
                 WebServlet ws = servlet.getClass().getAnnotation(WebServlet.class);
diff --git a/src/org/redkale/net/http/HttpServer.java b/src/org/redkale/net/http/HttpServer.java
index 7b7de5181..90fa4efa4 100644
--- a/src/org/redkale/net/http/HttpServer.java
+++ b/src/org/redkale/net/http/HttpServer.java
@@ -220,7 +220,7 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
      *
      * @return RestServlet
      */
-    public <S extends WebSocket, T extends HttpServlet> T addRestWebSocketServlet(final ClassLoader classLoader, final Class<S> webSocketType, final String prefix, final AnyValue conf) {
+    public <S extends WebSocket, T extends WebSocketServlet> T addRestWebSocketServlet(final ClassLoader classLoader, final Class<S> webSocketType, final String prefix, final AnyValue conf) {
         T servlet = Rest.createRestWebSocketServlet(classLoader, webSocketType);
         if (servlet != null) this.prepare.addServlet(servlet, prefix, conf);
         return servlet;
diff --git a/src/org/redkale/net/http/Rest.java b/src/org/redkale/net/http/Rest.java
index 15879446f..79fd8b832 100644
--- a/src/org/redkale/net/http/Rest.java
+++ b/src/org/redkale/net/http/Rest.java
@@ -210,7 +210,7 @@ public final class Rest {
         return t == null ? defValue : t;
     }
 
-    public static <T extends HttpServlet> T createRestWebSocketServlet(final ClassLoader classLoader, final Class<? extends WebSocket> webSocketType) {
+    public static <T extends WebSocketServlet> T createRestWebSocketServlet(final ClassLoader classLoader, final Class<? extends WebSocket> webSocketType) {
         if (webSocketType == null) throw new RuntimeException("Rest WebSocket Class is null on createRestWebSocketServlet");
         if (Modifier.isAbstract(webSocketType.getModifiers())) throw new RuntimeException("Rest WebSocket Class(" + webSocketType + ") cannot abstract on createRestWebSocketServlet");
         if (Modifier.isFinal(webSocketType.getModifiers())) throw new RuntimeException("Rest WebSocket Class(" + webSocketType + ") cannot final on createRestWebSocketServlet");