diff --git a/config/reference_config_test.go b/config/reference_config_test.go
index 5d00f6d724fc9f74fdace1d1c0d93bbaa52222ec..d36fa04d7461cfb6cd4c9d2d739e9863355df077 100644
--- a/config/reference_config_test.go
+++ b/config/reference_config_test.go
@@ -20,8 +20,6 @@ package config
 import (
 	"sync"
 	"testing"
-
-
 )
 
 import (
@@ -30,8 +28,8 @@ import (
 
 import (
 	"github.com/apache/dubbo-go/cluster/cluster_impl"
-	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
 	"github.com/apache/dubbo-go/protocol"
 )
diff --git a/examples/general/dubbo/go-server/app/user_provider.go b/examples/general/dubbo/go-server/app/user_provider.go
index aeb5ad549f7008b62df647664625e930668b7807..87f0d85f96c9664399ab0dd22eaf4af5c742da33 100644
--- a/examples/general/dubbo/go-server/app/user_provider.go
+++ b/examples/general/dubbo/go-server/app/user_provider.go
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 package main
 
 import (
diff --git a/examples/general/dubbo/go-server/app/user_provider1.go b/examples/general/dubbo/go-server/app/user_provider1.go
index f1a3abfa6b23f1fa1b5430f9e705e2a943a1f6f4..afc2a1d238752657e1b070979a6555b51dfb8d19 100644
--- a/examples/general/dubbo/go-server/app/user_provider1.go
+++ b/examples/general/dubbo/go-server/app/user_provider1.go
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 package main
 
 import (
diff --git a/examples/general/dubbo/go-server/app/user_provider2.go b/examples/general/dubbo/go-server/app/user_provider2.go
index b4a6937543a9470bcc9734a6010765f571d5c235..cc19e0b5a176c186d3c593867eb90b221c01f943 100644
--- a/examples/general/dubbo/go-server/app/user_provider2.go
+++ b/examples/general/dubbo/go-server/app/user_provider2.go
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 package main
 
 import (
diff --git a/protocol/protocolwrapper/protocol_filter_wrapper_test.go b/protocol/protocolwrapper/protocol_filter_wrapper_test.go
index 2e1a66901ff1c8f6860a87c333bd22dc16e55b0c..98bd206325ffd38a325b667f7f0bc2684bbf626f 100644
--- a/protocol/protocolwrapper/protocol_filter_wrapper_test.go
+++ b/protocol/protocolwrapper/protocol_filter_wrapper_test.go
@@ -27,11 +27,11 @@ import (
 )
 
 import (
-	"github.com/apache/dubbo-go/common/logger"
-	"github.com/apache/dubbo-go/filter"
 	"github.com/apache/dubbo-go/common"
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
+	"github.com/apache/dubbo-go/common/logger"
+	"github.com/apache/dubbo-go/filter"
 	//"github.com/apache/dubbo-go/filter/impl"
 	"github.com/apache/dubbo-go/protocol"
 )