diff --git a/cluster/cluster_impl/base_cluster_invoker.go b/cluster/cluster_impl/base_cluster_invoker.go
index 644f67c5244350897bbc3e291e66e2421758fce5..12799994125c4bf5d968dfc811cda374effbf85c 100644
--- a/cluster/cluster_impl/base_cluster_invoker.go
+++ b/cluster/cluster_impl/base_cluster_invoker.go
@@ -45,6 +45,7 @@ func newBaseClusterInvoker(directory cluster.Directory) baseClusterInvoker {
 		destroyed:      atomic.NewBool(false),
 	}
 }
+
 func (invoker *baseClusterInvoker) GetUrl() common.URL {
 	return invoker.directory.GetUrl()
 }
diff --git a/cluster/cluster_impl/base_cluster_invoker_test.go b/cluster/cluster_impl/base_cluster_invoker_test.go
index 49df78c41b3c3cc7dacf92153fc7e4515a0caec0..d074697b85a3cf5b770de90da4847043d98c9df1 100644
--- a/cluster/cluster_impl/base_cluster_invoker_test.go
+++ b/cluster/cluster_impl/base_cluster_invoker_test.go
@@ -47,6 +47,7 @@ func Test_StickyNormal(t *testing.T) {
 	result1 := base.doSelect(loadbalance.NewRandomLoadBalance(), invocation.NewRPCInvocation("getUser", nil, nil), invokers, invoked)
 	assert.Equal(t, result, result1)
 }
+
 func Test_StickyNormalWhenError(t *testing.T) {
 	invokers := []protocol.Invoker{}
 	for i := 0; i < 10; i++ {
diff --git a/cluster/cluster_impl/failover_cluster_test.go b/cluster/cluster_impl/failover_cluster_test.go
index 99c584bb583c1d59ece505feafd74ad6e11f6b9a..1be21067a6a9045cb6ae6f84655d516fea1f844b 100644
--- a/cluster/cluster_impl/failover_cluster_test.go
+++ b/cluster/cluster_impl/failover_cluster_test.go
@@ -118,6 +118,7 @@ func normalInvoke(t *testing.T, successCount int, urlParam url.Values, invocatio
 	}
 	return clusterInvoker.Invoke(context.Background(), &invocation.RPCInvocation{})
 }
+
 func Test_FailoverInvokeSuccess(t *testing.T) {
 	urlParams := url.Values{}
 	result := normalInvoke(t, 3, urlParams)
diff --git a/common/proxy/proxy.go b/common/proxy/proxy.go
index 9d3f3f882156e1df61eac1adca67dec450964396..6765a810a5ed48d95f49b5b97fbf660dd8587715 100644
--- a/common/proxy/proxy.go
+++ b/common/proxy/proxy.go
@@ -59,6 +59,7 @@ func NewProxy(invoke protocol.Invoker, callBack interface{}, attachments map[str
 // 		type XxxProvider struct {
 //  		Yyy func(ctx context.Context, args []interface{}, rsp *Zzz) error
 // 		}
+
 func (p *Proxy) Implement(v common.RPCService) {
 
 	// check parameters, incoming interface must be a elem's pointer.
diff --git a/common/url_test.go b/common/url_test.go
index 835973065b6d7426e5487fe76602ca27701130a1..2372de520e88b0949023e88cec64871736dd6aa0 100644
--- a/common/url_test.go
+++ b/common/url_test.go
@@ -164,6 +164,7 @@ func TestURL_GetParamAndDecoded(t *testing.T) {
 	v, _ := u.GetParamAndDecoded("rule")
 	assert.Equal(t, rule, v)
 }
+
 func TestURL_GetRawParam(t *testing.T) {
 	u, _ := NewURL("condition://0.0.0.0:8080/com.foo.BarService?serialization=fastjson")
 	u.Username = "test"
@@ -176,6 +177,7 @@ func TestURL_GetRawParam(t *testing.T) {
 	assert.Equal(t, "/com.foo.BarService", u.GetRawParam("path"))
 	assert.Equal(t, "fastjson", u.GetRawParam("serialization"))
 }
+
 func TestURL_ToMap(t *testing.T) {
 	u, _ := NewURL("condition://0.0.0.0:8080/com.foo.BarService?serialization=fastjson")
 	u.Username = "test"
diff --git a/config/base_config.go b/config/base_config.go
index 942e966eb31e9570e957ad74aa696aa9ef29c5b0..787297c1857647aa570f4404d2365e49174bda1c 100644
--- a/config/base_config.go
+++ b/config/base_config.go
@@ -138,6 +138,7 @@ func getKeyPrefix(val reflect.Value) []string {
 	return retPrefixs
 
 }
+
 func getPtrElement(v reflect.Value) reflect.Value {
 	if v.Kind() == reflect.Ptr {
 		v = v.Elem()
@@ -147,6 +148,7 @@ func getPtrElement(v reflect.Value) reflect.Value {
 	}
 	return v
 }
+
 func setFieldValue(val reflect.Value, id reflect.Value, config *config.InmemoryConfiguration) {
 	for i := 0; i < val.NumField(); i++ {
 		if key := val.Type().Field(i).Tag.Get("property"); key != "-" && key != "" {
@@ -300,6 +302,7 @@ func setFieldValue(val reflect.Value, id reflect.Value, config *config.InmemoryC
 		}
 	}
 }
+
 func (c *BaseConfig) fresh() {
 	configList := config.GetEnvInstance().Configuration()
 	for element := configList.Front(); element != nil; element = element.Next() {
diff --git a/config/registry_config_test.go b/config/registry_config_test.go
index 45d38b29cc7089dabc5d7b7e34390ee48a58dc97..6c2fed605d6c50b483f7ad2900e5a483b3986e1b 100644
--- a/config/registry_config_test.go
+++ b/config/registry_config_test.go
@@ -46,6 +46,7 @@ func Test_loadRegistries(t *testing.T) {
 	fmt.Println(urls[0])
 	assert.Equal(t, "127.0.0.2:2181,128.0.0.1:2181", urls[0].Location)
 }
+
 func Test_loadRegistries1(t *testing.T) {
 	target := "shanghai1"
 	regs := map[string]*RegistryConfig{
diff --git a/config_center/apollo/impl.go b/config_center/apollo/impl.go
index 85dff14a1ec9ba3905890bf37dc1e1827d59d80f..4dc19817846fe5c9c0552738f2058a15d20efabc 100644
--- a/config_center/apollo/impl.go
+++ b/config_center/apollo/impl.go
@@ -163,6 +163,7 @@ func (c *apolloConfiguration) getAddressWithProtocolPrefix(url *common.URL) stri
 func (c *apolloConfiguration) Parser() parser.ConfigurationParser {
 	return c.parser
 }
+
 func (c *apolloConfiguration) SetParser(p parser.ConfigurationParser) {
 	c.parser = p
 }
diff --git a/config_center/configurator/override.go b/config_center/configurator/override.go
index d0b23ef2f20d065135547536c2cebcec3eec0ce1..18415bee3a28b37ffc2f3f73cc7309b685de5408 100644
--- a/config_center/configurator/override.go
+++ b/config_center/configurator/override.go
@@ -36,6 +36,7 @@ import (
 func init() {
 	extension.SetDefaultConfigurator(newConfigurator)
 }
+
 func newConfigurator(url *common.URL) config_center.Configurator {
 	return &overrideConfigurator{configuratorUrl: url}
 }
diff --git a/config_center/configurator/override_test.go b/config_center/configurator/override_test.go
index 329c598efe8ef79d7fc1b79ae182c59b238283ac..c0aeb15130e7862fcb00d6cb82cbef60df777acb 100644
--- a/config_center/configurator/override_test.go
+++ b/config_center/configurator/override_test.go
@@ -40,8 +40,8 @@ func Test_configureVerison2p6(t *testing.T) {
 	assert.NoError(t, err)
 	configurator.Configure(&providerUrl)
 	assert.Equal(t, "failfast", providerUrl.GetParam(constant.CLUSTER_KEY, ""))
-
 }
+
 func Test_configureVerisonOverrideAddr(t *testing.T) {
 	url, err := common.NewURL("override://0.0.0.0:0/com.xxx.mock.userProvider?group=1&version=1&cluster=failfast&application=BDTService&providerAddresses=127.0.0.2:20001|127.0.0.3:20001")
 	assert.NoError(t, err)
@@ -52,8 +52,8 @@ func Test_configureVerisonOverrideAddr(t *testing.T) {
 	assert.NoError(t, err)
 	configurator.Configure(&providerUrl)
 	assert.Equal(t, "failover", providerUrl.GetParam(constant.CLUSTER_KEY, ""))
-
 }
+
 func Test_configureVerison2p6WithIp(t *testing.T) {
 	url, err := common.NewURL("override://127.0.0.1:20001/com.xxx.mock.userProvider?group=1&version=1&cluster=failfast&application=BDTService")
 	assert.NoError(t, err)
diff --git a/config_center/parser/configuration_parser.go b/config_center/parser/configuration_parser.go
index 58fcdb49dad2c53270894a65bf4ebd9595dc420e..f342dc62e765f8d38c9e64ba3be03f3362f0bf61 100644
--- a/config_center/parser/configuration_parser.go
+++ b/config_center/parser/configuration_parser.go
@@ -109,6 +109,7 @@ func (parser *DefaultConfigurationParser) ParseToUrls(content string) ([]*common
 	}
 	return allUrls, nil
 }
+
 func serviceItemToUrls(item ConfigItem, config ConfiguratorConfig) ([]*common.URL, error) {
 	var addresses = item.Addresses
 	if len(addresses) == 0 {
@@ -154,6 +155,7 @@ func serviceItemToUrls(item ConfigItem, config ConfiguratorConfig) ([]*common.UR
 	}
 	return urls, nil
 }
+
 func appItemToUrls(item ConfigItem, config ConfiguratorConfig) ([]*common.URL, error) {
 	var addresses = item.Addresses
 	if len(addresses) == 0 {
@@ -246,6 +248,7 @@ func getParamString(item ConfigItem) (string, error) {
 
 	return retStr, nil
 }
+
 func getEnabledString(item ConfigItem, config ConfiguratorConfig) string {
 	retStr := "&enabled="
 	if len(item.Type) == 0 || item.Type == GeneralType {
diff --git a/config_center/zookeeper/impl.go b/config_center/zookeeper/impl.go
index 70fb196a1eedb994eae38576de35d36deb450aaa..404243d4751146d1edc9a61d51cbb81d73c2ffb1 100644
--- a/config_center/zookeeper/impl.go
+++ b/config_center/zookeeper/impl.go
@@ -155,6 +155,7 @@ func (c *zookeeperDynamicConfiguration) GetRule(key string, opts ...config_cente
 func (c *zookeeperDynamicConfiguration) Parser() parser.ConfigurationParser {
 	return c.parser
 }
+
 func (c *zookeeperDynamicConfiguration) SetParser(p parser.ConfigurationParser) {
 	c.parser = p
 }
diff --git a/config_center/zookeeper/impl_test.go b/config_center/zookeeper/impl_test.go
index 1d62f3df86f5706823cab7c9ed0bc1a7d9b380f3..22e15193cba1b533a2b1b965a44bf9665a6a4e5e 100644
--- a/config_center/zookeeper/impl_test.go
+++ b/config_center/zookeeper/impl_test.go
@@ -77,6 +77,7 @@ func initZkData(group string, t *testing.T) (*zk.TestCluster, *zookeeperDynamicC
 
 	return ts, reg
 }
+
 func Test_GetConfig(t *testing.T) {
 	ts, reg := initZkData("dubbo", t)
 	defer ts.Stop()
diff --git a/filter/filter_impl/auth/consumer_sign.go b/filter/filter_impl/auth/consumer_sign.go
index 4280a491970d869a4063bafd2d5be49c63f05a5c..062744771acf8ccd505265875a103d24afeb06af 100644
--- a/filter/filter_impl/auth/consumer_sign.go
+++ b/filter/filter_impl/auth/consumer_sign.go
@@ -55,6 +55,7 @@ func (csf *ConsumerSignFilter) Invoke(ctx context.Context, invoker protocol.Invo
 func (csf *ConsumerSignFilter) OnResponse(ctx context.Context, result protocol.Result, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result {
 	return result
 }
+
 func getConsumerSignFilter() filter.Filter {
 	return &ConsumerSignFilter{}
 }
diff --git a/filter/filter_impl/auth/provider_auth.go b/filter/filter_impl/auth/provider_auth.go
index fc88e29471fa9e0a937b1474aa6a704aab9f24fd..0d5772e5508894111a88443bfe2d1b02ebfac54a 100644
--- a/filter/filter_impl/auth/provider_auth.go
+++ b/filter/filter_impl/auth/provider_auth.go
@@ -58,6 +58,7 @@ func (paf *ProviderAuthFilter) Invoke(ctx context.Context, invoker protocol.Invo
 func (paf *ProviderAuthFilter) OnResponse(ctx context.Context, result protocol.Result, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result {
 	return result
 }
+
 func getProviderAuthFilter() filter.Filter {
 	return &ProviderAuthFilter{}
 }
diff --git a/filter/filter_impl/generic_filter.go b/filter/filter_impl/generic_filter.go
index e8ff2679b0294d6519aecd1cc1fe37bdeab89e46..9bc131ef8903942b84df2b8fc14fd11143d1a7b6 100644
--- a/filter/filter_impl/generic_filter.go
+++ b/filter/filter_impl/generic_filter.go
@@ -83,6 +83,7 @@ func (ef *GenericFilter) OnResponse(_ context.Context, result protocol.Result, _
 func GetGenericFilter() filter.Filter {
 	return &GenericFilter{}
 }
+
 func struct2MapAll(obj interface{}) interface{} {
 	if obj == nil {
 		return obj
@@ -127,6 +128,7 @@ func struct2MapAll(obj interface{}) interface{} {
 		return obj
 	}
 }
+
 func setInMap(m map[string]interface{}, structField reflect.StructField, value interface{}) (result map[string]interface{}) {
 	result = m
 	if tagName := structField.Tag.Get("m"); tagName == "" {
@@ -136,6 +138,7 @@ func setInMap(m map[string]interface{}, structField reflect.StructField, value i
 	}
 	return
 }
+
 func headerAtoa(a string) (b string) {
 	b = strings.ToLower(a[:1]) + a[1:]
 	return
diff --git a/filter/filter_impl/generic_filter_test.go b/filter/filter_impl/generic_filter_test.go
index 22948353fc16a99696a85489ce5df7dc9b18a7ba..b08229199898a30657682d47c32689dc084f5bf4 100644
--- a/filter/filter_impl/generic_filter_test.go
+++ b/filter/filter_impl/generic_filter_test.go
@@ -88,6 +88,7 @@ func Test_struct2MapAll_Slice(t *testing.T) {
 	assert.Equal(t, reflect.Slice, reflect.TypeOf(m["caCa"]).Kind())
 	assert.Equal(t, reflect.Map, reflect.TypeOf(m["caCa"].([]interface{})[0].(map[string]interface{})["xxYy"]).Kind())
 }
+
 func Test_struct2MapAll_Map(t *testing.T) {
 	var testData struct {
 		AaAa string
diff --git a/filter/filter_impl/hystrix_filter_test.go b/filter/filter_impl/hystrix_filter_test.go
index 66c17d920c14e23f1562773c152e99955a48bfb9..71fc097c8bf4752e0cb2b451b0da7e16480b0701 100644
--- a/filter/filter_impl/hystrix_filter_test.go
+++ b/filter/filter_impl/hystrix_filter_test.go
@@ -213,6 +213,7 @@ func TestGetHystrixFilterConsumer(t *testing.T) {
 	assert.NotNil(t, get)
 	assert.True(t, get.(*HystrixFilter).COrP)
 }
+
 func TestGetHystrixFilterProvider(t *testing.T) {
 	get := GetHystrixFilterProvider()
 	assert.NotNil(t, get)
diff --git a/registry/directory/directory_test.go b/registry/directory/directory_test.go
index 8ebd130d7d1797a9d8707628d7e5920be758e389..69ef9cbec6fb05658f58af31a019a05c15410c48 100644
--- a/registry/directory/directory_test.go
+++ b/registry/directory/directory_test.go
@@ -43,6 +43,7 @@ import (
 func init() {
 	config.SetConsumerConfig(config.ConsumerConfig{ApplicationConfig: &config.ApplicationConfig{Name: "test-application"}})
 }
+
 func TestSubscribe(t *testing.T) {
 	registryDirectory, _ := normalRegistryDir()
 
@@ -121,6 +122,7 @@ func Test_List(t *testing.T) {
 	assert.Equal(t, true, registryDirectory.IsAvailable())
 
 }
+
 func Test_MergeProviderUrl(t *testing.T) {
 	registryDirectory, mockRegistry := normalRegistryDir(true)
 	providerUrl, _ := common.NewURL("dubbo://0.0.0.0:20000/org.apache.dubbo-go.mockService",
diff --git a/registry/etcdv3/listener.go b/registry/etcdv3/listener.go
index 79e3ad514584937e742db4bbc993202dd6a9f5b9..f9b046a2c52814cd4e5ea38f9ea4c58c8bdb5bc4 100644
--- a/registry/etcdv3/listener.go
+++ b/registry/etcdv3/listener.go
@@ -83,6 +83,7 @@ func NewConfigurationListener(reg *etcdV3Registry) *configurationListener {
 	reg.WaitGroup().Add(1)
 	return &configurationListener{registry: reg, events: make(chan *config_center.ConfigChangeEvent, 32)}
 }
+
 func (l *configurationListener) Process(configType *config_center.ConfigChangeEvent) {
 	l.events <- configType
 }
@@ -108,6 +109,7 @@ func (l *configurationListener) Next() (*registry.ServiceEvent, error) {
 		}
 	}
 }
+
 func (l *configurationListener) Close() {
 	l.registry.WaitGroup().Done()
 }
diff --git a/registry/protocol/protocol_test.go b/registry/protocol/protocol_test.go
index de57a0afa7529dd5c77c1fe5440b336cdd212fca..cee2a6a625368f655d1b9bc5fe8cc37031e1aef7 100644
--- a/registry/protocol/protocol_test.go
+++ b/registry/protocol/protocol_test.go
@@ -44,6 +44,7 @@ import (
 func init() {
 	config.SetProviderConfig(config.ProviderConfig{ApplicationConfig: &config.ApplicationConfig{Name: "test-application"}})
 }
+
 func referNormal(t *testing.T, regProtocol *registryProtocol) {
 	extension.SetProtocol("registry", GetProtocol)
 	extension.SetRegistry("mock", registry.NewMockRegistry)
diff --git a/registry/zookeeper/registry.go b/registry/zookeeper/registry.go
index f4e53dcc4219d947fea93a10bccc420811afd2b9..e13443d57d7dae9fb5d50b2e1c28f618780fd850 100644
--- a/registry/zookeeper/registry.go
+++ b/registry/zookeeper/registry.go
@@ -141,6 +141,7 @@ func (r *zkRegistry) CloseAndNilClient() {
 	r.client.Close()
 	r.client = nil
 }
+
 func (r *zkRegistry) ZkClient() *zookeeper.ZookeeperClient {
 	return r.client
 }
diff --git a/remoting/zookeeper/facade_test.go b/remoting/zookeeper/facade_test.go
index 97ea775652cf82ce86388fb376832ccb7e07a205..a41f6cd3230700332519ce1c2d3489bfcc4b6ef0 100644
--- a/remoting/zookeeper/facade_test.go
+++ b/remoting/zookeeper/facade_test.go
@@ -70,6 +70,7 @@ func (r *mockFacade) Destroy() {
 func (r *mockFacade) RestartCallBack() bool {
 	return true
 }
+
 func (r *mockFacade) IsAvailable() bool {
 	return true
 }
diff --git a/remoting/zookeeper/listener_test.go b/remoting/zookeeper/listener_test.go
index 43e9aca3f44470873c3c97ec2447bebcc57e5545..7301cd52c392b6950b3a49f78e8124eae532b083 100644
--- a/remoting/zookeeper/listener_test.go
+++ b/remoting/zookeeper/listener_test.go
@@ -66,6 +66,7 @@ func initZkData(t *testing.T) (*zk.TestCluster, *ZookeeperClient, <-chan zk.Even
 
 	return ts, client, event
 }
+
 func TestListener(t *testing.T) {
 	changedData := `
 	dubbo.consumer.request_timeout=3s