fix: change port
diff --git a/protocol/dubbo3/dubbo3_invoker_test.go b/protocol/dubbo3/dubbo3_invoker_test.go
index 719d8a8..5252d9d 100644
--- a/protocol/dubbo3/dubbo3_invoker_test.go
+++ b/protocol/dubbo3/dubbo3_invoker_test.go
@@ -34,11 +34,19 @@
 	"github.com/apache/dubbo-go/protocol/invocation"
 )
 
+const (
+	mockDubbo3CommonUrl2 = "tri://127.0.0.1:20000/DubboGreeterImpl?accesslog=&anyhost=true&app.version=0.0.1&application=BDTService&async=false&bean.name=DubboGreeterImpl" +
+		"&category=providers&cluster=failover&dubbo=dubbo-provider-golang-2.6.0&environment=dev&execute.limit=&execute.limit.rejected.handler=&generic=false&group=&interface=org.apache.dubbo.DubboGreeterImpl" +
+		"&ip=192.168.1.106&loadbalance=random&methods.SayHello.loadbalance=random&methods.SayHello.retries=1&methods.SayHello.tps.limit.interval=&methods.SayHello.tps.limit.rate=&methods.SayHello.tps.limit.strategy=" +
+		"&methods.SayHello.weight=0&module=dubbogo+say-hello+client&name=BDTService&organization=ikurento.com&owner=ZX&pid=49427&reference.filter=cshutdown&registry.role=3&remote.timestamp=1576923717&retries=" +
+		"&service.filter=echo%2Ctoken%2Caccesslog%2Ctps%2Cexecute%2Cpshutdown&side=provider&timestamp=1576923740&tps.limit.interval=&tps.limit.rate=&tps.limit.rejected.handler=&tps.limit.strategy=&tps.limiter=&version=&warmup=100!"
+)
+
 func TestInvoke(t *testing.T) {
 	go internal.InitDubboServer()
 	time.Sleep(time.Second * 3)
 
-	url, err := common.NewURL(mockDubbo3CommonUrl)
+	url, err := common.NewURL(mockDubbo3CommonUrl2)
 	assert.Nil(t, err)
 
 	invoker, err := NewDubboInvoker(url)
diff --git a/protocol/dubbo3/internal/server.go b/protocol/dubbo3/internal/server.go
index 048f9c3..4ca67b3 100644
--- a/protocol/dubbo3/internal/server.go
+++ b/protocol/dubbo3/internal/server.go
@@ -44,7 +44,7 @@
 func InitDubboServer() {
 	providerConfig := config.NewProviderConfig(
 		config.WithProviderAppConfig(config.NewDefaultApplicationConfig()),
-		config.WithProviderProtocol("tri", "tri", "20002"), // protocol and port
+		config.WithProviderProtocol("tri", "tri", "20000"), // protocol and port
 		config.WithProviderServices("DubboGreeterImpl", config.NewServiceConfigByAPI(
 			config.WithServiceProtocol("tri"),                                // export protocol
 			config.WithServiceInterface("org.apache.dubbo.DubboGreeterImpl"), // interface id