diff --git a/protocol/dubbo/dubbo_invoker_test.go b/protocol/dubbo/dubbo_invoker_test.go
index 7d60090e2d81bcb750d1e6d79a08059687c7937d..8a032d0ca9536e53dc18c43f8e699212f7c30ec4 100644
--- a/protocol/dubbo/dubbo_invoker_test.go
+++ b/protocol/dubbo/dubbo_invoker_test.go
@@ -40,8 +40,8 @@ func TestDubboInvoker_Invoke(t *testing.T) {
 		pendingResponses: new(sync.Map),
 		conf:             *clientConf,
 		opts: Options{
-			ConnectTimeout: 3e9,
-			RequestTimeout: 6e9,
+			ConnectTimeout: 3 * time.Second,
+			RequestTimeout: 6 * time.Second,
 		},
 	}
 	c.pool = newGettyRPCClientConnPool(c, clientConf.PoolSize, time.Duration(int(time.Second)*clientConf.PoolTTL))
diff --git a/protocol/grpc/grpc_invoker_test.go b/protocol/grpc/grpc_invoker_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..2da602d0a333d0b8e0bac75d8bd9928cde48cd31
--- /dev/null
+++ b/protocol/grpc/grpc_invoker_test.go
@@ -0,0 +1,57 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package grpc
+
+import (
+	"context"
+	"reflect"
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+import (
+	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/protocol/grpc/internal"
+	"github.com/apache/dubbo-go/protocol/invocation"
+)
+
+func TestInvoke(t *testing.T) {
+	go internal.InitGrpcServer()
+	defer internal.ShutdownGrpcServer()
+
+	var impl *internal.GrpcGreeterImpl
+	url, err := common.NewURL(context.Background(), "grpc://127.0.0.1:20000/GrpcGreeterImpl?accesslog=&anyhost=true&app.version=0.0.1&application=BDTService&async=false&bean.name=GrpcGreeterImpl&category=providers&cluster=failover&dubbo=dubbo-provider-golang-2.6.0&environment=dev&execute.limit=&execute.limit.rejected.handler=&generic=false&group=&interface=io.grpc.examples.helloworld.GreeterGrpc%24IGreeter&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!")
+	assert.Nil(t, err)
+
+	cli := NewClient(impl, url)
+
+	invoker := NewGrpcInvoker(url, cli)
+
+	args := []reflect.Value{}
+	args = append(args, reflect.ValueOf(&internal.HelloRequest{Name: "request name"}))
+	bizReply := &internal.HelloReply{}
+	invo := invocation.NewRPCInvocationWithOptions(invocation.WithMethodName("SayHello"),
+		invocation.WithParameterValues(args), invocation.WithReply(bizReply))
+	res := invoker.Invoke(invo)
+	assert.Nil(t, res.Error())
+	assert.NotNil(t, res.Result())
+	assert.Equal(t, "Hello request name", bizReply.Message)
+}