diff --git a/src/websocket-server/src/Helper/WsHelper.php b/src/websocket-server/src/Helper/WsHelper.php
index 715ebbbba..56777605d 100644
--- a/src/websocket-server/src/Helper/WsHelper.php
+++ b/src/websocket-server/src/Helper/WsHelper.php
@@ -2,6 +2,7 @@
 
 namespace Swoft\WebSocket\Server\Helper;
 
+use Swoft\Console\Console;
 use Swoole\Http\Request;
 use Swoole\Http\Response;
 use function base64_decode;
@@ -10,6 +11,7 @@
 use function sha1;
 use function strlen;
 use function trim;
+use const SWOOLE_VERSION;
 
 /**
  * Class WsHelper
@@ -105,4 +107,21 @@ public static function fastHandshake(Request $request, Response $response): bool
         $response->end();
         return true;
     }
+
+    /**
+     * @param string $version
+     *
+     * @return bool
+     */
+    public static function isLtSwooleVersion(string $version = '4.4.12'): bool
+    {
+        $curVer = SWOOLE_VERSION;
+
+        if (version_compare($curVer, $version, '<')) {
+            Console::colored("[NOTICE] Swoole current version is {$curVer}, suggestion upgrade to {$version}+", 'warning');
+            return true;
+        }
+
+        return false;
+    }
 }
diff --git a/src/websocket-server/src/WebSocketServer.php b/src/websocket-server/src/WebSocketServer.php
index 25b6ba4b4..594a19f2b 100644
--- a/src/websocket-server/src/WebSocketServer.php
+++ b/src/websocket-server/src/WebSocketServer.php
@@ -6,6 +6,7 @@
 use Swoft\Server\Exception\ServerException;
 use Swoft\Server\Server;
 use Swoft\Server\SwooleEvent;
+use Swoft\WebSocket\Server\Helper\WsHelper;
 use Swoole\Websocket\Frame;
 use Throwable;
 use function array_flip;
@@ -125,6 +126,11 @@ public function sendTo(
         $fromUser = $sender < 1 ? 'SYSTEM' : $sender;
         $this->log("(private)The #{$fromUser} send message to the user #{$receiver}. Opcode: $opcode Data: {$data}");
 
+        // Fix: since swoole 4.4.12 $finish change type to int.
+        if (WsHelper::isLtSwooleVersion()) {
+            $finish = (bool)$finish;
+        }
+
         return $this->swooleServer->push($receiver, $data, $opcode, $finish);
     }