diff --git a/src/Network/UdpClient.php b/src/Network/UdpClient.php
index 8b67325..60902f4 100644
--- a/src/Network/UdpClient.php
+++ b/src/Network/UdpClient.php
@@ -7,7 +7,6 @@
 use EasySwoole\Rpc\Config\UdpServiceFinder;
 use EasySwoole\Rpc\Protocol\UdpPack;
 use EasySwoole\Rpc\Utility\Openssl;
-use Swoole\Coroutine\Client;
 
 class UdpClient
 {
@@ -22,7 +21,8 @@ function __construct(UdpServiceFinder $finder,string $clientNodeId)
 
     function send(UdpPack $pack,string $address,int $port)
     {
-        $client = new Client(SWOOLE_UDP);
+        $client = new \Swoole\Coroutine\Socket(AF_INET,SOCK_DGRAM);
+        $client->setOption(SOL_SOCKET, SO_BROADCAST, 1);
         $client->sendto( $address, $port,$this->pack2string($pack));
     }
 
diff --git a/src/Server/AssistWorker.php b/src/Server/AssistWorker.php
index a3b63fd..6b2cc4d 100644
--- a/src/Server/AssistWorker.php
+++ b/src/Server/AssistWorker.php
@@ -54,6 +54,7 @@ function run($arg)
                 $socketServer = new Coroutine\Socket(AF_INET, SOCK_DGRAM);
                 $address = $udpServiceFinderConfig->getListenAddress();
                 $port = $udpServiceFinderConfig->getListenPort();
+                $socketServer->setOption(SOL_SOCKET, SO_REUSEPORT, 1);
                 $socketServer->bind($address,$port);
                 $openssl = null;
                 $secretKey = $udpServiceFinderConfig->getEncryptKey();
diff --git a/tests/ServiceModuleTest.php b/tests/ServiceModuleTest.php
index 30894d7..fc82eae 100644
--- a/tests/ServiceModuleTest.php
+++ b/tests/ServiceModuleTest.php
@@ -77,7 +77,9 @@ function testOnException()
 
     private function buildClient($path = '/')
     {
-        $client = new \Swoole\Coroutine\Http\Client('127.0.0.1', 9501);
+        $list = [9501, 9502];
+        $port = $list[array_rand($list,1)];
+        $client = new \Swoole\Coroutine\Http\Client('127.0.0.1', $port);
         $client->get($path);
         return $client;
     }