diff --git a/contrib/polaris/registry_test.go b/contrib/polaris/registry_test.go
index 7295de53a..a03f807e4 100644
--- a/contrib/polaris/registry_test.go
+++ b/contrib/polaris/registry_test.go
@@ -29,8 +29,8 @@ func TestRegistry(t *testing.T) {
 	)
 
 	ins := &registry.ServiceInstance{
-		ID:      "test-ut-1",
-		Name:    "test-ut-1",
+		ID:      "test-ut",
+		Name:    "test-ut",
 		Version: "v1.0.0",
 		Endpoints: []string{
 			"grpc://127.0.0.1:8080",
@@ -50,115 +50,9 @@ func TestRegistry(t *testing.T) {
 		t.Fatal(err)
 	}
 	time.Sleep(time.Second * 3)
-	service, err := r.GetService(context.Background(), "test-ut-1")
+	service, err := r.GetService(context.Background(), "test-ut")
 	if err != nil {
 		t.Fatal(err)
 	}
 	t.Log(service)
 }
-
-func TestWatch(t *testing.T) {
-	sdk, err := polaris.NewSDKContextByAddress("127.0.0.1:8091")
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	p := New(sdk)
-
-	r := p.Registry(
-		WithRegistryTimeout(time.Second),
-		WithRegistryHealthy(true),
-		WithRegistryIsolate(false),
-		WithRegistryRetryCount(3),
-		WithRegistryWeight(100),
-		WithRegistryTTL(1000),
-	)
-
-	err = r.Register(context.Background(), &registry.ServiceInstance{
-		ID:      "test-ut",
-		Name:    "test-ut",
-		Version: "v1.0.0",
-		Endpoints: []string{
-			"grpc://127.0.0.1:8080",
-			"http://127.0.0.1:9090",
-		},
-	})
-	if err != nil {
-		t.Fatal(err)
-	}
-	time.Sleep(time.Second * 3)
-	w, err := r.Watch(context.Background(), "test-ut")
-	if err != nil {
-		t.Fatal(err)
-	}
-	service, err := w.Next()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(service) != 1 {
-		t.Fatalf("want 1, got %d, service %+v", len(service), service)
-	}
-
-	err = r.Register(context.Background(), &registry.ServiceInstance{
-		ID:      "test-ut2",
-		Name:    "test-ut",
-		Version: "v1.0.0",
-		Endpoints: []string{
-			"grpc://127.0.0.2:8080",
-			"http://127.0.0.2:9090",
-		},
-	})
-	if err != nil {
-		t.Fatal(err)
-	}
-	time.Sleep(time.Second * 3)
-	service, err = w.Next()
-	if err != nil {
-		t.Fatal(err)
-	}
-	if len(service) != 2 {
-		t.Fatalf("want 1, got %d, service %+v", len(service), service)
-	}
-
-	err = r.Deregister(context.Background(), &registry.ServiceInstance{
-		ID:      "test-ut",
-		Name:    "test-ut",
-		Version: "v1.0.0",
-		Endpoints: []string{
-			"grpc://127.0.0.1:8080",
-			"http://127.0.0.1:9090",
-		},
-	})
-	if err != nil {
-		t.Fatal(err)
-	}
-	time.Sleep(time.Second * 3)
-	service, err = w.Next()
-	if err != nil {
-		t.Fatal(err)
-	}
-	if len(service) != 1 {
-		t.Fatalf("want 1, got %d, service %+v", len(service), service)
-	}
-	err = r.Deregister(context.Background(), &registry.ServiceInstance{
-		ID:      "test-ut",
-		Name:    "test-ut",
-		Version: "v1.0.0",
-		Endpoints: []string{
-			"grpc://127.0.0.2:8080",
-			"http://127.0.0.2:9090",
-		},
-	})
-	if err != nil {
-		t.Fatal(err)
-	}
-	time.Sleep(time.Second * 3)
-	service, err = w.Next()
-	if err != nil {
-		t.Fatal(err)
-	}
-	if len(service) != 0 {
-		t.Fatalf("want 0, got %d", len(service))
-	}
-}