diff --git a/docs/en/websocket-server.md b/docs/en/websocket-server.md
index 4b196b460..4dff3e0e9 100644
--- a/docs/en/websocket-server.md
+++ b/docs/en/websocket-server.md
@@ -62,17 +62,17 @@ use Swoole\Websocket\Frame;
 
 class WebSocketController implements OnMessageInterface, OnOpenInterface, OnCloseInterface
 {
-    public function onMessage(Server $server, Frame $frame): void
+    public function onMessage($server, Frame $frame): void
     {
         $server->push($frame->fd, 'Recv: ' . $frame->data);
     }
 
-    public function onClose(Server $server, int $fd, int $reactorId): void
+    public function onClose($server, int $fd, int $reactorId): void
     {
         var_dump('closed');
     }
 
-    public function onOpen(Server $server, Request $request): void
+    public function onOpen($server, Request $request): void
     {
         $server->push($request->fd, 'Opened');
     }
diff --git a/docs/zh-cn/websocket-server.md b/docs/zh-cn/websocket-server.md
index c9fae75d2..67eee37f3 100644
--- a/docs/zh-cn/websocket-server.md
+++ b/docs/zh-cn/websocket-server.md
@@ -63,17 +63,17 @@ use Swoole\WebSocket\Server as WebSocketServer;
 
 class WebSocketController implements OnMessageInterface, OnOpenInterface, OnCloseInterface
 {
-    public function onMessage(WebSocketServer $server, Frame $frame): void
+    public function onMessage($server, Frame $frame): void
     {
         $server->push($frame->fd, 'Recv: ' . $frame->data);
     }
 
-    public function onClose(Server $server, int $fd, int $reactorId): void
+    public function onClose($server, int $fd, int $reactorId): void
     {
         var_dump('closed');
     }
 
-    public function onOpen(WebSocketServer $server, Request $request): void
+    public function onOpen($server, Request $request): void
     {
         $server->push($request->fd, 'Opened');
     }
@@ -109,12 +109,12 @@ use Swoole\WebSocket\Server as WebSocketServer;
 
 class WebSocketController implements OnMessageInterface, OnOpenInterface
 {
-    public function onMessage(WebSocketServer $server, Frame $frame): void
+    public function onMessage($server, Frame $frame): void
     {
         $server->push($frame->fd, 'Username: ' . Context::get('username'));
     }
 
-    public function onOpen(WebSocketServer $server, Request $request): void
+    public function onOpen($server, Request $request): void
     {
         Context::set('username', $request->cookie['username']);
     }
diff --git a/docs/zh-hk/websocket-server.md b/docs/zh-hk/websocket-server.md
index b8f33ad57..981bcf223 100644
--- a/docs/zh-hk/websocket-server.md
+++ b/docs/zh-hk/websocket-server.md
@@ -63,17 +63,17 @@ use Swoole\WebSocket\Server as WebSocketServer;
 
 class WebSocketController implements OnMessageInterface, OnOpenInterface, OnCloseInterface
 {
-    public function onMessage(WebSocketServer $server, Frame $frame): void
+    public function onMessage($server, Frame $frame): void
     {
         $server->push($frame->fd, 'Recv: ' . $frame->data);
     }
 
-    public function onClose(Server $server, int $fd, int $reactorId): void
+    public function onClose($server, int $fd, int $reactorId): void
     {
         var_dump('closed');
     }
 
-    public function onOpen(WebSocketServer $server, Request $request): void
+    public function onOpen($server, Request $request): void
     {
         $server->push($request->fd, 'Opened');
     }
@@ -109,12 +109,12 @@ use Swoole\WebSocket\Server as WebSocketServer;
 
 class WebSocketController implements OnMessageInterface, OnOpenInterface
 {
-    public function onMessage(WebSocketServer $server, Frame $frame): void
+    public function onMessage($server, Frame $frame): void
     {
         $server->push($frame->fd, 'Username: ' . Context::get('username'));
     }
 
-    public function onOpen(WebSocketServer $server, Request $request): void
+    public function onOpen($server, Request $request): void
     {
         Context::set('username', $request->cookie['username']);
     }
diff --git a/docs/zh-tw/websocket-server.md b/docs/zh-tw/websocket-server.md
index 1852244bc..396d7f2eb 100644
--- a/docs/zh-tw/websocket-server.md
+++ b/docs/zh-tw/websocket-server.md
@@ -63,17 +63,17 @@ use Swoole\WebSocket\Server as WebSocketServer;
 
 class WebSocketController implements OnMessageInterface, OnOpenInterface, OnCloseInterface
 {
-    public function onMessage(WebSocketServer $server, Frame $frame): void
+    public function onMessage($server, Frame $frame): void
     {
         $server->push($frame->fd, 'Recv: ' . $frame->data);
     }
 
-    public function onClose(Server $server, int $fd, int $reactorId): void
+    public function onClose($server, int $fd, int $reactorId): void
     {
         var_dump('closed');
     }
 
-    public function onOpen(WebSocketServer $server, Request $request): void
+    public function onOpen($server, Request $request): void
     {
         $server->push($request->fd, 'Opened');
     }
@@ -109,12 +109,12 @@ use Swoole\WebSocket\Server as WebSocketServer;
 
 class WebSocketController implements OnMessageInterface, OnOpenInterface
 {
-    public function onMessage(WebSocketServer $server, Frame $frame): void
+    public function onMessage($server, Frame $frame): void
     {
         $server->push($frame->fd, 'Username: ' . Context::get('username'));
     }
 
-    public function onOpen(WebSocketServer $server, Request $request): void
+    public function onOpen($server, Request $request): void
     {
         Context::set('username', $request->cookie['username']);
     }