diff --git a/internal/certmgmt/deployers/sp_qingcloud_lb.go b/internal/certmgmt/deployers/sp_qingcloud_lb.go
index 10218fb3a..eb30457e7 100644
--- a/internal/certmgmt/deployers/sp_qingcloud_lb.go
+++ b/internal/certmgmt/deployers/sp_qingcloud_lb.go
@@ -17,12 +17,12 @@ func init() {
 		}
 
 		provider, err := dplyimpl.NewDeployer(&dplyimpl.DeployerConfig{
-			AccessKeyId:         credentials.AccessKeyId,
-			SecretAccessKey:     credentials.SecretAccessKey,
-			ZoneId:              xmaps.GetString(options.ProviderExtendedConfig, "zoneId"),
-			DeployTarget:        xmaps.GetString(options.ProviderExtendedConfig, "deployTarget"),
-			LoadbalancerId:      xmaps.GetString(options.ProviderExtendedConfig, "loadbalancerId"),
-			ListenerId:          xmaps.GetString(options.ProviderExtendedConfig, "listenerId"),
+			AccessKeyId:     credentials.AccessKeyId,
+			SecretAccessKey: credentials.SecretAccessKey,
+			ZoneId:          xmaps.GetString(options.ProviderExtendedConfig, "zoneId"),
+			DeployTarget:    xmaps.GetString(options.ProviderExtendedConfig, "deployTarget"),
+			LoadbalancerId:  xmaps.GetString(options.ProviderExtendedConfig, "loadbalancerId"),
+			ListenerId:      xmaps.GetString(options.ProviderExtendedConfig, "listenerId"),
 		})
 		return provider, err
 	})
diff --git a/pkg/core/certifier/challengers/dns01/linode/internal/lego.go b/pkg/core/certifier/challengers/dns01/linode/internal/lego.go
index 0295855b7..98fa23b78 100644
--- a/pkg/core/certifier/challengers/dns01/linode/internal/lego.go
+++ b/pkg/core/certifier/challengers/dns01/linode/internal/lego.go
@@ -1,4 +1,4 @@
-package internal
+package internal
 
 import (
 	"context"
@@ -14,7 +14,6 @@ import (
 	linodesdk "github.com/certimate-go/certimate/pkg/sdk3rd/linode"
 )
 
-// Environment variables names.
 const (
 	envNamespace = "LINODE_"
 
diff --git a/pkg/sdk3rd/kong/models.go b/pkg/sdk3rd/kong/models.go
index f30aa1478..397e9d25f 100644
--- a/pkg/sdk3rd/kong/models.go
+++ b/pkg/sdk3rd/kong/models.go
@@ -8,6 +8,6 @@ type Certificate struct {
 	KeyAlt    *string   `json:"key_alt,omitempty"`
 	SNIs      []*string `json:"snis,omitempty"`
 	Tags      []*string `json:"tags,omitempty"`
-	CreatedAt *int64   `json:"created_at,omitempty"`
-	UpdatedAt *int64   `json:"updated_at,omitempty"`
+	CreatedAt *int64    `json:"created_at,omitempty"`
+	UpdatedAt *int64    `json:"updated_at,omitempty"`
 }
diff --git a/pkg/sdk3rd/qiniu/doc.go b/pkg/sdk3rd/qiniu/doc.go
index 5931d1ca5..a15e691e1 100644
--- a/pkg/sdk3rd/qiniu/doc.go
+++ b/pkg/sdk3rd/qiniu/doc.go
@@ -1,3 +1,3 @@
-// An extension SDK client for Qiniu.
+// An extension SDK client for Qiniu.
 // Based on github.com/qiniu/go-sdk.
-package qiniu
\ No newline at end of file
+package qiniu
diff --git a/pkg/sdk3rd/vercel/types.go b/pkg/sdk3rd/vercel/types.go
index 256a396ed..4ff5b2e3d 100644
--- a/pkg/sdk3rd/vercel/types.go
+++ b/pkg/sdk3rd/vercel/types.go
@@ -1,20 +1,20 @@
 package vercel
 
 type sdkResponse interface {
-	GetError() *sdkError
+	GetError() *sdkAPIError
 }
 
 type sdkResponseBase struct {
-	Error *sdkError `json:"error,omitempty"`
+	Error *sdkAPIError `json:"error,omitempty"`
 }
 
-type sdkError struct {
+type sdkAPIError struct {
 	Code         string `json:"code"`
 	Message      string `json:"message"`
 	MissingToken bool   `json:"missingToken,omitempty"`
 }
 
-func (r *sdkResponseBase) GetError() *sdkError {
+func (r *sdkResponseBase) GetError() *sdkAPIError {
 	return r.Error
 }