diff --git a/internal/pkg/core/deployer/deployer.go b/internal/pkg/core/deployer/deployer.go
index 67ce7ef7..85a4e156 100644
--- a/internal/pkg/core/deployer/deployer.go
+++ b/internal/pkg/core/deployer/deployer.go
@@ -20,7 +20,7 @@ type Deployer interface {
 	// 出参：
 	//   - res：部署结果。
 	//   - err: 错误。
-	Deploy(ctx context.Context, certPEM string, privkeyPEM string) (res *DeployResult, err error)
+	Deploy(ctx context.Context, certPEM string, privkeyPEM string) (_res *DeployResult, _err error)
 }
 
 // 表示证书部署结果的数据结构。
diff --git a/internal/pkg/core/notifier/notifier.go b/internal/pkg/core/notifier/notifier.go
index 876b5d48..f04084aa 100644
--- a/internal/pkg/core/notifier/notifier.go
+++ b/internal/pkg/core/notifier/notifier.go
@@ -19,7 +19,7 @@ type Notifier interface {
 	// 出参：
 	//   - res：发送结果。
 	//   - err: 错误。
-	Notify(ctx context.Context, subject string, message string) (res *NotifyResult, err error)
+	Notify(ctx context.Context, subject string, message string) (_res *NotifyResult, _err error)
 }
 
 // 表示通知发送结果的数据结构。
diff --git a/internal/pkg/core/notifier/providers/bark/bark.go b/internal/pkg/core/notifier/providers/bark/bark.go
index f82fd180..805a72b0 100644
--- a/internal/pkg/core/notifier/providers/bark/bark.go
+++ b/internal/pkg/core/notifier/providers/bark/bark.go
@@ -49,7 +49,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	const defaultServerURL = "https://api.day.app/"
 	serverUrl := defaultServerURL
 	if n.config.ServerUrl != "" {
diff --git a/internal/pkg/core/notifier/providers/dingtalkbot/dingtalkbot.go b/internal/pkg/core/notifier/providers/dingtalkbot/dingtalkbot.go
index d13380a6..81358ef4 100644
--- a/internal/pkg/core/notifier/providers/dingtalkbot/dingtalkbot.go
+++ b/internal/pkg/core/notifier/providers/dingtalkbot/dingtalkbot.go
@@ -45,7 +45,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	webhookUrl, err := url.Parse(n.config.WebhookUrl)
 	if err != nil {
 		return nil, fmt.Errorf("dingtalk api error: invalid webhook url: %w", err)
diff --git a/internal/pkg/core/notifier/providers/discordbot/discordbot.go b/internal/pkg/core/notifier/providers/discordbot/discordbot.go
index e4b15aae..704e7c79 100644
--- a/internal/pkg/core/notifier/providers/discordbot/discordbot.go
+++ b/internal/pkg/core/notifier/providers/discordbot/discordbot.go
@@ -48,7 +48,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	// REF: https://discord.com/developers/docs/resources/message#create-message
 	req := n.httpClient.R().
 		SetContext(ctx).
diff --git a/internal/pkg/core/notifier/providers/email/email.go b/internal/pkg/core/notifier/providers/email/email.go
index b2802c7f..c8405554 100644
--- a/internal/pkg/core/notifier/providers/email/email.go
+++ b/internal/pkg/core/notifier/providers/email/email.go
@@ -57,7 +57,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	var smtpAuth smtp.Auth
 	if n.config.Username != "" || n.config.Password != "" {
 		smtpAuth = smtp.PlainAuth("", n.config.Username, n.config.Password, n.config.SmtpHost)
@@ -76,10 +76,11 @@ func (n *NotifierProvider) Notify(ctx context.Context, subject string, message s
 
 	var yak *mailyak.MailYak
 	if n.config.SmtpTls {
-		yak, err = mailyak.NewWithTLS(smtpAddr, smtpAuth, newTlsConfig())
+		yakWithTls, err := mailyak.NewWithTLS(smtpAddr, smtpAuth, newTlsConfig())
 		if err != nil {
 			return nil, err
 		}
+		yak = yakWithTls
 	} else {
 		yak = mailyak.New(smtpAddr, smtpAuth)
 	}
@@ -89,8 +90,7 @@ func (n *NotifierProvider) Notify(ctx context.Context, subject string, message s
 	yak.Subject(subject)
 	yak.Plain().Set(message)
 
-	err = yak.Send()
-	if err != nil {
+	if err := yak.Send(); err != nil {
 		return nil, err
 	}
 
diff --git a/internal/pkg/core/notifier/providers/gotify/gotify.go b/internal/pkg/core/notifier/providers/gotify/gotify.go
index 0e96e9f7..75d8737b 100644
--- a/internal/pkg/core/notifier/providers/gotify/gotify.go
+++ b/internal/pkg/core/notifier/providers/gotify/gotify.go
@@ -51,7 +51,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	serverUrl := strings.TrimRight(n.config.ServerUrl, "/")
 
 	// REF: https://gotify.net/api-docs#/message/createMessage
diff --git a/internal/pkg/core/notifier/providers/larkbot/larkbot.go b/internal/pkg/core/notifier/providers/larkbot/larkbot.go
index 01bfeb1c..8c5022c0 100644
--- a/internal/pkg/core/notifier/providers/larkbot/larkbot.go
+++ b/internal/pkg/core/notifier/providers/larkbot/larkbot.go
@@ -42,7 +42,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	bot := lark.NewNotificationBot(n.config.WebhookUrl)
 	content := lark.NewPostBuilder().
 		Title(subject).
diff --git a/internal/pkg/core/notifier/providers/mattermost/mattermost.go b/internal/pkg/core/notifier/providers/mattermost/mattermost.go
index b725b961..de72d192 100644
--- a/internal/pkg/core/notifier/providers/mattermost/mattermost.go
+++ b/internal/pkg/core/notifier/providers/mattermost/mattermost.go
@@ -53,7 +53,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	serverUrl := strings.TrimRight(n.config.ServerUrl, "/")
 
 	// REF: https://developers.mattermost.com/api-documentation/#/operations/Login
diff --git a/internal/pkg/core/notifier/providers/pushover/pushover.go b/internal/pkg/core/notifier/providers/pushover/pushover.go
index 7367688b..aedf8d3a 100644
--- a/internal/pkg/core/notifier/providers/pushover/pushover.go
+++ b/internal/pkg/core/notifier/providers/pushover/pushover.go
@@ -48,7 +48,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	// REF: https://pushover.net/api
 	req := n.httpClient.R().
 		SetContext(ctx).
diff --git a/internal/pkg/core/notifier/providers/pushplus/pushplus.go b/internal/pkg/core/notifier/providers/pushplus/pushplus.go
index a2e3de0e..9f565ce5 100644
--- a/internal/pkg/core/notifier/providers/pushplus/pushplus.go
+++ b/internal/pkg/core/notifier/providers/pushplus/pushplus.go
@@ -47,7 +47,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	// REF: https://pushplus.plus/doc/guide/api.html#%E4%B8%80%E3%80%81%E5%8F%91%E9%80%81%E6%B6%88%E6%81%AF%E6%8E%A5%E5%8F%A3
 	req := n.httpClient.R().
 		SetContext(ctx).
diff --git a/internal/pkg/core/notifier/providers/serverchan/serverchan.go b/internal/pkg/core/notifier/providers/serverchan/serverchan.go
index 5ee42785..ea6adf2b 100644
--- a/internal/pkg/core/notifier/providers/serverchan/serverchan.go
+++ b/internal/pkg/core/notifier/providers/serverchan/serverchan.go
@@ -46,7 +46,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	// REF: https://sct.ftqq.com/
 	req := n.httpClient.R().
 		SetContext(ctx).
diff --git a/internal/pkg/core/notifier/providers/slackbot/slackbot.go b/internal/pkg/core/notifier/providers/slackbot/slackbot.go
index 221235fc..92db106c 100644
--- a/internal/pkg/core/notifier/providers/slackbot/slackbot.go
+++ b/internal/pkg/core/notifier/providers/slackbot/slackbot.go
@@ -48,7 +48,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	// REF: https://docs.slack.dev/messaging/sending-and-scheduling-messages#publishing
 	req := n.httpClient.R().
 		SetContext(ctx).
diff --git a/internal/pkg/core/notifier/providers/telegrambot/telegrambot.go b/internal/pkg/core/notifier/providers/telegrambot/telegrambot.go
index 31463a0c..80d03a21 100644
--- a/internal/pkg/core/notifier/providers/telegrambot/telegrambot.go
+++ b/internal/pkg/core/notifier/providers/telegrambot/telegrambot.go
@@ -48,7 +48,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	// REF: https://core.telegram.org/bots/api#sendmessage
 	req := n.httpClient.R().
 		SetContext(ctx).
diff --git a/internal/pkg/core/notifier/providers/webhook/webhook.go b/internal/pkg/core/notifier/providers/webhook/webhook.go
index 507cc812..523f7b4d 100644
--- a/internal/pkg/core/notifier/providers/webhook/webhook.go
+++ b/internal/pkg/core/notifier/providers/webhook/webhook.go
@@ -67,7 +67,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	// 处理 Webhook URL
 	webhookUrl, err := url.Parse(n.config.WebhookUrl)
 	if err != nil {
diff --git a/internal/pkg/core/notifier/providers/wecombot/wecombot.go b/internal/pkg/core/notifier/providers/wecombot/wecombot.go
index c6ad2daa..93b03c4d 100644
--- a/internal/pkg/core/notifier/providers/wecombot/wecombot.go
+++ b/internal/pkg/core/notifier/providers/wecombot/wecombot.go
@@ -46,7 +46,7 @@ func (n *NotifierProvider) WithLogger(logger *slog.Logger) notifier.Notifier {
 	return n
 }
 
-func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+func (n *NotifierProvider) Notify(ctx context.Context, subject string, message string) (*notifier.NotifyResult, error) {
 	// REF: https://developer.work.weixin.qq.com/document/path/91770
 	req := n.httpClient.R().
 		SetContext(ctx).
diff --git a/internal/pkg/core/uploader/providers/1panel-ssl/1panel_ssl.go b/internal/pkg/core/uploader/providers/1panel-ssl/1panel_ssl.go
index bc36e565..7391129d 100644
--- a/internal/pkg/core/uploader/providers/1panel-ssl/1panel_ssl.go
+++ b/internal/pkg/core/uploader/providers/1panel-ssl/1panel_ssl.go
@@ -59,7 +59,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 遍历证书列表，避免重复上传
 	if res, err := u.getCertIfExists(ctx, certPEM, privkeyPEM); err != nil {
 		return nil, err
@@ -94,7 +94,7 @@ func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPE
 	}
 }
 
-func (u *UploaderProvider) getCertIfExists(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) getCertIfExists(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	searchWebsiteSSLPageNumber := int32(1)
 	searchWebsiteSSLPageSize := int32(100)
 	for {
diff --git a/internal/pkg/core/uploader/providers/aliyun-cas/aliyun_cas.go b/internal/pkg/core/uploader/providers/aliyun-cas/aliyun_cas.go
index ecf4c8cf..ea0968eb 100644
--- a/internal/pkg/core/uploader/providers/aliyun-cas/aliyun_cas.go
+++ b/internal/pkg/core/uploader/providers/aliyun-cas/aliyun_cas.go
@@ -61,7 +61,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/aliyun-slb/aliyun_slb.go b/internal/pkg/core/uploader/providers/aliyun-slb/aliyun_slb.go
index b331df05..dac9c7bd 100644
--- a/internal/pkg/core/uploader/providers/aliyun-slb/aliyun_slb.go
+++ b/internal/pkg/core/uploader/providers/aliyun-slb/aliyun_slb.go
@@ -64,7 +64,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/aws-acm/aws_acm.go b/internal/pkg/core/uploader/providers/aws-acm/aws_acm.go
index 32b0a2e4..f68ebadc 100644
--- a/internal/pkg/core/uploader/providers/aws-acm/aws_acm.go
+++ b/internal/pkg/core/uploader/providers/aws-acm/aws_acm.go
@@ -58,7 +58,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/azure-keyvault/azure_keyvault.go b/internal/pkg/core/uploader/providers/azure-keyvault/azure_keyvault.go
index 3d0ec5b5..eb67fd2f 100644
--- a/internal/pkg/core/uploader/providers/azure-keyvault/azure_keyvault.go
+++ b/internal/pkg/core/uploader/providers/azure-keyvault/azure_keyvault.go
@@ -65,7 +65,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/baiducloud-cert/baiducloud_cert.go b/internal/pkg/core/uploader/providers/baiducloud-cert/baiducloud_cert.go
index c7ae8304..b0fca821 100644
--- a/internal/pkg/core/uploader/providers/baiducloud-cert/baiducloud_cert.go
+++ b/internal/pkg/core/uploader/providers/baiducloud-cert/baiducloud_cert.go
@@ -53,7 +53,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/byteplus-cdn/byteplus_cdn.go b/internal/pkg/core/uploader/providers/byteplus-cdn/byteplus_cdn.go
index e54b01c6..a654db31 100644
--- a/internal/pkg/core/uploader/providers/byteplus-cdn/byteplus_cdn.go
+++ b/internal/pkg/core/uploader/providers/byteplus-cdn/byteplus_cdn.go
@@ -56,7 +56,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/dogecloud/dogecloud.go b/internal/pkg/core/uploader/providers/dogecloud/dogecloud.go
index aa76f621..1b0b963f 100644
--- a/internal/pkg/core/uploader/providers/dogecloud/dogecloud.go
+++ b/internal/pkg/core/uploader/providers/dogecloud/dogecloud.go
@@ -51,7 +51,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 生成新证书名（需符合多吉云命名规则）
 	var certId, certName string
 	certName = fmt.Sprintf("certimate-%d", time.Now().UnixMilli())
diff --git a/internal/pkg/core/uploader/providers/gcore-cdn/gcore_cdn.go b/internal/pkg/core/uploader/providers/gcore-cdn/gcore_cdn.go
index 276baff8..f3127602 100644
--- a/internal/pkg/core/uploader/providers/gcore-cdn/gcore_cdn.go
+++ b/internal/pkg/core/uploader/providers/gcore-cdn/gcore_cdn.go
@@ -53,7 +53,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 生成新证书名（需符合 Gcore 命名规则）
 	var certId, certName string
 	certName = fmt.Sprintf("certimate_%d", time.Now().UnixMilli())
diff --git a/internal/pkg/core/uploader/providers/huaweicloud-elb/huaweicloud_elb.go b/internal/pkg/core/uploader/providers/huaweicloud-elb/huaweicloud_elb.go
index 5858a9c0..d429c259 100644
--- a/internal/pkg/core/uploader/providers/huaweicloud-elb/huaweicloud_elb.go
+++ b/internal/pkg/core/uploader/providers/huaweicloud-elb/huaweicloud_elb.go
@@ -66,7 +66,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/huaweicloud-scm/huaweicloud_scm.go b/internal/pkg/core/uploader/providers/huaweicloud-scm/huaweicloud_scm.go
index acba2b65..4e35562e 100644
--- a/internal/pkg/core/uploader/providers/huaweicloud-scm/huaweicloud_scm.go
+++ b/internal/pkg/core/uploader/providers/huaweicloud-scm/huaweicloud_scm.go
@@ -61,7 +61,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/huaweicloud-waf/huaweicloud_waf.go b/internal/pkg/core/uploader/providers/huaweicloud-waf/huaweicloud_waf.go
index 809ccddd..789876ba 100644
--- a/internal/pkg/core/uploader/providers/huaweicloud-waf/huaweicloud_waf.go
+++ b/internal/pkg/core/uploader/providers/huaweicloud-waf/huaweicloud_waf.go
@@ -66,7 +66,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/jdcloud-ssl/jdcloud_ssl.go b/internal/pkg/core/uploader/providers/jdcloud-ssl/jdcloud_ssl.go
index 91ea632e..44ed7f29 100644
--- a/internal/pkg/core/uploader/providers/jdcloud-ssl/jdcloud_ssl.go
+++ b/internal/pkg/core/uploader/providers/jdcloud-ssl/jdcloud_ssl.go
@@ -59,7 +59,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/qiniu-sslcert/qiniu_sslcert.go b/internal/pkg/core/uploader/providers/qiniu-sslcert/qiniu_sslcert.go
index 07343371..99a1a0b5 100644
--- a/internal/pkg/core/uploader/providers/qiniu-sslcert/qiniu_sslcert.go
+++ b/internal/pkg/core/uploader/providers/qiniu-sslcert/qiniu_sslcert.go
@@ -55,7 +55,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/rainyun-sslcenter/rainyun_sslcenter.go b/internal/pkg/core/uploader/providers/rainyun-sslcenter/rainyun_sslcenter.go
index 4ea70ba0..613fc7a9 100644
--- a/internal/pkg/core/uploader/providers/rainyun-sslcenter/rainyun_sslcenter.go
+++ b/internal/pkg/core/uploader/providers/rainyun-sslcenter/rainyun_sslcenter.go
@@ -51,7 +51,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	if res, err := u.getCertIfExists(ctx, certPEM); err != nil {
 		return nil, err
 	} else if res != nil {
@@ -80,7 +80,7 @@ func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPE
 	}
 }
 
-func (u *UploaderProvider) getCertIfExists(ctx context.Context, certPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) getCertIfExists(ctx context.Context, certPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/tencentcloud-ssl/tencentcloud_ssl.go b/internal/pkg/core/uploader/providers/tencentcloud-ssl/tencentcloud_ssl.go
index 5a96a951..db4e92f4 100644
--- a/internal/pkg/core/uploader/providers/tencentcloud-ssl/tencentcloud_ssl.go
+++ b/internal/pkg/core/uploader/providers/tencentcloud-ssl/tencentcloud_ssl.go
@@ -53,7 +53,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 上传新证书
 	// REF: https://cloud.tencent.com/document/product/400/41665
 	uploadCertificateReq := tcssl.NewUploadCertificateRequest()
diff --git a/internal/pkg/core/uploader/providers/ucloud-ussl/ucloud_ussl.go b/internal/pkg/core/uploader/providers/ucloud-ussl/ucloud_ussl.go
index 90b40754..acfbb214 100644
--- a/internal/pkg/core/uploader/providers/ucloud-ussl/ucloud_ussl.go
+++ b/internal/pkg/core/uploader/providers/ucloud-ussl/ucloud_ussl.go
@@ -63,7 +63,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 生成新证书名（需符合优刻得命名规则）
 	var certId, certName string
 	certName = fmt.Sprintf("certimate-%d", time.Now().UnixMilli())
@@ -111,7 +111,7 @@ func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPE
 	}, nil
 }
 
-func (u *UploaderProvider) getCertIfExists(ctx context.Context, certPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) getCertIfExists(ctx context.Context, certPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/upyun-ssl/upyun_ssl.go b/internal/pkg/core/uploader/providers/upyun-ssl/upyun_ssl.go
index 1669e56b..6b45e130 100644
--- a/internal/pkg/core/uploader/providers/upyun-ssl/upyun_ssl.go
+++ b/internal/pkg/core/uploader/providers/upyun-ssl/upyun_ssl.go
@@ -51,7 +51,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 上传证书
 	uploadHttpsCertificateReq := &upyunsdk.UploadHttpsCertificateRequest{
 		Certificate: certPEM,
diff --git a/internal/pkg/core/uploader/providers/volcengine-cdn/volcengine_cdn.go b/internal/pkg/core/uploader/providers/volcengine-cdn/volcengine_cdn.go
index 59fca8f9..00ac07ae 100644
--- a/internal/pkg/core/uploader/providers/volcengine-cdn/volcengine_cdn.go
+++ b/internal/pkg/core/uploader/providers/volcengine-cdn/volcengine_cdn.go
@@ -57,7 +57,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/volcengine-certcenter/volcengine_certcenter.go b/internal/pkg/core/uploader/providers/volcengine-certcenter/volcengine_certcenter.go
index fd5ce670..9accc17d 100644
--- a/internal/pkg/core/uploader/providers/volcengine-certcenter/volcengine_certcenter.go
+++ b/internal/pkg/core/uploader/providers/volcengine-certcenter/volcengine_certcenter.go
@@ -56,7 +56,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 上传证书
 	// REF: https://www.volcengine.com/docs/6638/1365580
 	importCertificateReq := &veccsdk.ImportCertificateInput{
diff --git a/internal/pkg/core/uploader/providers/volcengine-live/volcengine_live.go b/internal/pkg/core/uploader/providers/volcengine-live/volcengine_live.go
index 11948f04..d758fbb4 100644
--- a/internal/pkg/core/uploader/providers/volcengine-live/volcengine_live.go
+++ b/internal/pkg/core/uploader/providers/volcengine-live/volcengine_live.go
@@ -54,7 +54,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/providers/wangsu-certificate/wangsu_certificate.go b/internal/pkg/core/uploader/providers/wangsu-certificate/wangsu_certificate.go
index e401810a..59eb4ca2 100644
--- a/internal/pkg/core/uploader/providers/wangsu-certificate/wangsu_certificate.go
+++ b/internal/pkg/core/uploader/providers/wangsu-certificate/wangsu_certificate.go
@@ -57,7 +57,7 @@ func (u *UploaderProvider) WithLogger(logger *slog.Logger) uploader.Uploader {
 	return u
 }
 
-func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *uploader.UploadResult, err error) {
+func (u *UploaderProvider) Upload(ctx context.Context, certPEM string, privkeyPEM string) (*uploader.UploadResult, error) {
 	// 解析证书内容
 	certX509, err := certutil.ParseCertificateFromPEM(certPEM)
 	if err != nil {
diff --git a/internal/pkg/core/uploader/uploader.go b/internal/pkg/core/uploader/uploader.go
index 34d2813a..0a1681a7 100644
--- a/internal/pkg/core/uploader/uploader.go
+++ b/internal/pkg/core/uploader/uploader.go
@@ -21,7 +21,7 @@ type Uploader interface {
 	// 出参：
 	//   - res：上传结果。
 	//   - err: 错误。
-	Upload(ctx context.Context, certPEM string, privkeyPEM string) (res *UploadResult, err error)
+	Upload(ctx context.Context, certPEM string, privkeyPEM string) (_res *UploadResult, _err error)
 }
 
 // 表示证书上传结果的数据结构，包含上传后的证书 ID、名称和其他数据。
diff --git a/internal/pkg/sdk3rd/qiniu/auth.go b/internal/pkg/sdk3rd/qiniu/auth.go
index 7f053f56..6df13752 100644
--- a/internal/pkg/sdk3rd/qiniu/auth.go
+++ b/internal/pkg/sdk3rd/qiniu/auth.go
@@ -18,10 +18,10 @@ func newTransport(mac *auth.Credentials, tr http.RoundTripper) *transport {
 	return &transport{tr, mac}
 }
 
-func (t *transport) RoundTrip(req *http.Request) (resp *http.Response, err error) {
+func (t *transport) RoundTrip(req *http.Request) (*http.Response, error) {
 	token, err := t.mac.SignRequestV2(req)
 	if err != nil {
-		return
+		return nil, err
 	}
 
 	req.Header.Set("Authorization", "Qiniu "+token)
diff --git a/internal/pkg/utils/cert/converter.go b/internal/pkg/utils/cert/converter.go
index b726e86d..0d7e4c53 100644
--- a/internal/pkg/utils/cert/converter.go
+++ b/internal/pkg/utils/cert/converter.go
@@ -16,7 +16,7 @@ import (
 // 出参:
 //   - certPEM: 证书 PEM 内容。
 //   - err: 错误。
-func ConvertCertificateToPEM(cert *x509.Certificate) (certPEM string, err error) {
+func ConvertCertificateToPEM(cert *x509.Certificate) (_certPEM string, _err error) {
 	if cert == nil {
 		return "", errors.New("`cert` is nil")
 	}
@@ -37,14 +37,14 @@ func ConvertCertificateToPEM(cert *x509.Certificate) (certPEM string, err error)
 // 出参:
 //   - privkeyPEM: 私钥 PEM 内容。
 //   - err: 错误。
-func ConvertECPrivateKeyToPEM(privkey *ecdsa.PrivateKey) (privkeyPEM string, err error) {
+func ConvertECPrivateKeyToPEM(privkey *ecdsa.PrivateKey) (_privkeyPEM string, _err error) {
 	if privkey == nil {
 		return "", errors.New("`privkey` is nil")
 	}
 
-	data, err := x509.MarshalECPrivateKey(privkey)
-	if err != nil {
-		return "", fmt.Errorf("failed to marshal EC private key: %w", err)
+	data, _err := x509.MarshalECPrivateKey(privkey)
+	if _err != nil {
+		return "", fmt.Errorf("failed to marshal EC private key: %w", _err)
 	}
 
 	block := &pem.Block{
diff --git a/internal/pkg/utils/cert/extractor.go b/internal/pkg/utils/cert/extractor.go
index 94d0a8da..a4077d37 100644
--- a/internal/pkg/utils/cert/extractor.go
+++ b/internal/pkg/utils/cert/extractor.go
@@ -14,7 +14,7 @@ import (
 //   - serverCertPEM: 服务器证书的 PEM 内容。
 //   - intermediaCertPEM: 中间证书的 PEM 内容。
 //   - err: 错误。
-func ExtractCertificatesFromPEM(certPEM string) (serverCertPEM string, intermediaCertPEM string, err error) {
+func ExtractCertificatesFromPEM(certPEM string) (_serverCertPEM string, _intermediaCertPEM string, _err error) {
 	pemBlocks := make([]*pem.Block, 0)
 	pemData := []byte(certPEM)
 	for {
@@ -27,8 +27,8 @@ func ExtractCertificatesFromPEM(certPEM string) (serverCertPEM string, intermedi
 		pemData = rest
 	}
 
-	serverCertPEM = ""
-	intermediaCertPEM = ""
+	serverCertPEM := ""
+	intermediaCertPEM := ""
 
 	if len(pemBlocks) == 0 {
 		return "", "", errors.New("failed to decode PEM block")
diff --git a/internal/pkg/utils/cert/parser.go b/internal/pkg/utils/cert/parser.go
index eb743f78..3ecb8639 100644
--- a/internal/pkg/utils/cert/parser.go
+++ b/internal/pkg/utils/cert/parser.go
@@ -21,7 +21,7 @@ import (
 // 出参:
 //   - cert: x509.Certificate 对象。
 //   - err: 错误。
-func ParseCertificateFromPEM(certPEM string) (cert *x509.Certificate, err error) {
+func ParseCertificateFromPEM(certPEM string) (_cert *x509.Certificate, _err error) {
 	pemData := []byte(certPEM)
 
 	block, _ := pem.Decode(pemData)
@@ -29,7 +29,7 @@ func ParseCertificateFromPEM(certPEM string) (cert *x509.Certificate, err error)
 		return nil, errors.New("failed to decode PEM block")
 	}
 
-	cert, err = x509.ParseCertificate(block.Bytes)
+	cert, err := x509.ParseCertificate(block.Bytes)
 	if err != nil {
 		return nil, fmt.Errorf("failed to parse certificate: %w", err)
 	}
@@ -45,7 +45,7 @@ func ParseCertificateFromPEM(certPEM string) (cert *x509.Certificate, err error)
 // 出参:
 //   - privkey: crypto.PrivateKey 对象，可能是 rsa.PrivateKey、ecdsa.PrivateKey 或 ed25519.PrivateKey。
 //   - err: 错误。
-func ParsePrivateKeyFromPEM(privkeyPEM string) (privkey crypto.PrivateKey, err error) {
+func ParsePrivateKeyFromPEM(privkeyPEM string) (_privkey crypto.PrivateKey, _err error) {
 	pemData := []byte(privkeyPEM)
 	return certcrypto.ParsePEMPrivateKey(pemData)
 }
@@ -58,7 +58,7 @@ func ParsePrivateKeyFromPEM(privkeyPEM string) (privkey crypto.PrivateKey, err e
 // 出参:
 //   - privkey: ecdsa.PrivateKey 对象。
 //   - err: 错误。
-func ParseECPrivateKeyFromPEM(privkeyPEM string) (privkey *ecdsa.PrivateKey, err error) {
+func ParseECPrivateKeyFromPEM(privkeyPEM string) (_privkey *ecdsa.PrivateKey, _err error) {
 	pemData := []byte(privkeyPEM)
 
 	block, _ := pem.Decode(pemData)
@@ -66,7 +66,7 @@ func ParseECPrivateKeyFromPEM(privkeyPEM string) (privkey *ecdsa.PrivateKey, err
 		return nil, errors.New("failed to decode PEM block")
 	}
 
-	privkey, err = x509.ParseECPrivateKey(block.Bytes)
+	privkey, err := x509.ParseECPrivateKey(block.Bytes)
 	if err != nil {
 		return nil, fmt.Errorf("failed to parse private key: %w", err)
 	}
@@ -82,7 +82,7 @@ func ParseECPrivateKeyFromPEM(privkeyPEM string) (privkey *ecdsa.PrivateKey, err
 // 出参:
 //   - privkey: rsa.PrivateKey 对象。
 //   - err: 错误。
-func ParsePKCS1PrivateKeyFromPEM(privkeyPEM string) (privkey *rsa.PrivateKey, err error) {
+func ParsePKCS1PrivateKeyFromPEM(privkeyPEM string) (_privkey *rsa.PrivateKey, _err error) {
 	pemData := []byte(privkeyPEM)
 
 	block, _ := pem.Decode(pemData)
@@ -90,7 +90,7 @@ func ParsePKCS1PrivateKeyFromPEM(privkeyPEM string) (privkey *rsa.PrivateKey, er
 		return nil, errors.New("failed to decode PEM block")
 	}
 
-	privkey, err = x509.ParsePKCS1PrivateKey(block.Bytes)
+	privkey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
 	if err != nil {
 		return nil, fmt.Errorf("failed to parse private key: %w", err)
 	}