diff --git a/contrib/config/apollo/apollo.go b/contrib/config/apollo/apollo.go
index 421606bd1..8df7465b2 100644
--- a/contrib/config/apollo/apollo.go
+++ b/contrib/config/apollo/apollo.go
@@ -11,6 +11,7 @@ type apollo struct {
 	client *agollo.Client
 }
 
+// Option is apollo option
 type Option func(*options)
 
 type options struct {
@@ -20,7 +21,7 @@ type options struct {
 	endpoint       string
 	namespace      string
 	isBackupConfig bool
-	backupPath string
+	backupPath     string
 }
 
 // WithAppID with apollo config app id
@@ -72,7 +73,6 @@ func WithNamespace(name string) Option {
 	}
 }
 
-
 // WithBackupPath with apollo config backupPath
 func WithBackupPath(backupPath string) Option {
 	return func(o *options) {
@@ -87,12 +87,12 @@ func NewSource(opts ...Option) config.Source {
 	}
 	client, err := agollo.StartWithConfig(func() (*apolloConfig.AppConfig, error) {
 		return &apolloConfig.AppConfig{
-			AppID:          op.appid,
-			Cluster:        op.cluster,
-			NamespaceName:  op.namespace,
-			IP:             op.endpoint,
-			IsBackupConfig: op.isBackupConfig,
-			Secret:         op.secret,
+			AppID:            op.appid,
+			Cluster:          op.cluster,
+			NamespaceName:    op.namespace,
+			IP:               op.endpoint,
+			IsBackupConfig:   op.isBackupConfig,
+			Secret:           op.secret,
 			BackupConfigPath: op.backupPath,
 		}, nil
 	})
diff --git a/version.go b/version.go
index 0f7638cd6..b8a598990 100644
--- a/version.go
+++ b/version.go
@@ -1,4 +1,4 @@
 package kratos
 
 // Release is the current kratos version.
-const Release = "v2.0.5"
+const Release = "v2.1.0"