调整SetOptions的方式

aliyun/aliyun.go

@@ -34,18 +34,18 @@ func NewAliyun() *Aliyun {
 	return aliyun
 }
 
-func (l *Aliyun) SetOption(ctx context.Context, opt ...interfaces.Option) (interfaces.EmailInterface, error) {
+func (l *Aliyun) SetOption(ctx context.Context, opt ...interfaces.Option) error {
 	for _, o := range opt {
 		o(&l.Options)
 	}
 
 	if l.Options.Aliyun == nil {
-		return nil, fmt.Errorf("Aliyun configuration is required")
+		return fmt.Errorf("Aliyun configuration is required")
 	}
 
 	// 验证配置
 	if err := l.validateConfig(); err != nil {
-		return nil, fmt.Errorf("invalid Aliyun config: %w", err)
+		return fmt.Errorf("invalid Aliyun config: %w", err)
 	}
 
 	// 安全日志输出
@@ -64,15 +64,17 @@ func (l *Aliyun) SetOption(ctx context.Context, opt ...interfaces.Option) (inter
 
 	client, err := dm20151123.NewClient(config)
 	if err != nil {
-		return nil, fmt.Errorf("failed to create Aliyun client: %w", err)
+		return fmt.Errorf("failed to create Aliyun client: %w", err)
 	}
 
+	l.IsSet = true
+
 	l.client = client
-	return l, nil
+	return nil
 }
 
 func (l *Aliyun) Send(ctx context.Context, params interfaces.Message) error {
-	if l.client == nil {
+	if !l.IsSet {
 		return fmt.Errorf("Aliyun client not initialized")
 	}
 

aliyun/aliyun_test.go

@@ -10,10 +10,10 @@ import (
 )
 
 func TestSend(t *testing.T) {
-	aliyun := aliyun.NewAliyun()
+	ali := aliyun.NewAliyun()
 	ctx := context.Background()
 
-	ali, err := aliyun.SetOption(ctx, interfaces.SetAliyun(&interfaces.EmialConfigDataAliyun{
+	err := ali.SetOption(ctx, interfaces.SetAliyun(&interfaces.EmialConfigDataAliyun{
 		AccessId:     "LTAI5tEQ8L8fmDir8udD3CFr",
 		AccessKey:    "llg9M1U56s2SW5PuerlKPvTB1xYhn0",
 		Endpoint:     "dm.aliyuncs.com",

aws/aws.go

@@ -14,9 +14,9 @@ import (
 )
 
 const (
-	MaxRetries     = 3
+	MaxRetries    = 3
-	DefaultRegion  = "us-east-1"
+	DefaultRegion = "us-east-1"
-	MaxRecipients  = 50 // AWS SES limit
+	MaxRecipients = 50 // AWS SES limit
 )
 
 type Aws struct {
@@ -31,18 +31,18 @@ func NewAws() *Aws {
 	return aws
 }
 
-func (l *Aws) SetOption(ctx context.Context, opt ...interfaces.Option) (interfaces.EmailInterface, error) {
+func (l *Aws) SetOption(ctx context.Context, opt ...interfaces.Option) error {
 	for _, o := range opt {
 		o(&l.Options)
 	}
 
 	if l.Options.Aws == nil {
-		return nil, fmt.Errorf("AWS configuration is required")
+		return fmt.Errorf("AWS configuration is required")
 	}
 
 	// 验证配置
 	if err := l.validateConfig(); err != nil {
-		return nil, fmt.Errorf("invalid AWS config: %w", err)
+		return fmt.Errorf("invalid AWS config: %w", err)
 	}
 
 	if l.Options.Aws.Region == "" {
@@ -51,18 +51,20 @@ func (l *Aws) SetOption(ctx context.Context, opt ...interfaces.Option) (interfac
 
 	// 初始化SES客户端
 	if err := l.initSESClient(); err != nil {
-		return nil, fmt.Errorf("failed to initialize SES client: %w", err)
+		return fmt.Errorf("failed to initialize SES client: %w", err)
 	}
 
 	// 安全日志输出
-	l.Options.Logger.Infof(ctx, "AWS SES configured - Region:%s Sender:%s", 
+	l.Options.Logger.Infof(ctx, "AWS SES configured - Region:%s Sender:%s",
 		l.Options.Aws.Region, l.Options.Aws.Sender)
 
-	return l, nil
+	l.IsSet = true
+
+	return nil
 }
 
 func (l *Aws) Send(ctx context.Context, params interfaces.Message) error {
-	if l.sesClient == nil {
+	if !l.IsSet {
 		return fmt.Errorf("AWS SES client not initialized")
 	}
 
@@ -204,4 +206,4 @@ func (l *Aws) sendEmail(ctx context.Context, params interfaces.Message) error {
 	}
 
 	return nil
-}
+}

aws/aws_old.go

@@ -25,7 +25,7 @@ func NewAwsOld() *AwsOld {
 	return aws
 }
 
-func (l *AwsOld) SetOption(ctx context.Context, opt ...interfaces.Option) (interfaces.EmailInterface, error) {
+func (l *AwsOld) SetOption(ctx context.Context, opt ...interfaces.Option) error {
 
 	for _, o := range opt {
 		o(&l.Options)
@@ -33,14 +33,14 @@ func (l *AwsOld) SetOption(ctx context.Context, opt ...interfaces.Option) (inter
 
 	l.Options.Logger.Infof(ctx, "Aws:%+v", l.Options.Aws)
 	if l.Options.Aws == nil {
-		return nil, errors.New("not aws")
+		return errors.New("not aws")
 	}
 
 	if l.Options.Aws.Region == "" {
 		l.Options.Aws.Region = "ap-northeast-1"
 	}
 
-	return l, nil
+	return nil
 }
 
 func (l *AwsOld) Send(ctx context.Context, params interfaces.Message) error {

aws/aws_test.go

@@ -21,11 +21,11 @@ func TestSend(t *testing.T) {
 	// #发件人
 	// Source: "chenlihan@dreaminglife.cn"
 
-	a := aws.NewAws()
+	ini := aws.NewAws()
 
 	ctx := context.Background()
 
-	ini, err := a.SetOption(ctx, interfaces.SetAws(&interfaces.EmailConfigDataAws{
+	err := ini.SetOption(ctx, interfaces.SetAws(&interfaces.EmailConfigDataAws{
 		AccessId:     "AKIAU6GD3MNRHKR4RZG5",
 		AccessSecret: "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",
 		Region:       "ap-northeast-1",

cmd/main.go

@@ -18,7 +18,7 @@ func main() {
 		panic(err)
 	}
 	// 使用em进行后续操作
-	em,err = em.SetOption(ctx, interfaces.SetSmtp(&interfaces.EmailConfigDataSmtp{
+	err = em.SetOption(ctx, interfaces.SetSmtp(&interfaces.EmailConfigDataSmtp{
 		Username: "support@email.blueoceanpay.com",
 		Password: "SupporT2017",
 		ReplyTo:  "",
@@ -30,10 +30,10 @@ func main() {
 	}
 
 	err = em.Send(ctx, interfaces.Message{
-		Form: "yun@blueoceanpay.com",
+		Form:    "yun@blueoceanpay.com",
-		To: []string{"995116474@qq.com"},
+		To:      []string{"995116474@qq.com"},
 		Subject: "Test Email",
-		Body: "Hello, this is a test email.",
+		Body:    "Hello, this is a test email.",
 	})
 	if err != nil {
 		panic(err)

enhanced_test.go

@@ -19,7 +19,7 @@ func TestSMTPEnhanced(t *testing.T) {
 	ctx := context.Background()
 
 	// 测试配置验证
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",
@@ -53,7 +53,7 @@ func TestAliyunEnhanced(t *testing.T) {
 	ctx := context.Background()
 
 	// 测试配置验证
-	_, err := aliyunClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := aliyunClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Aliyun = &interfaces.EmialConfigDataAliyun{
 			AccessId:    "test-access-id",
 			AccessKey:   "test-access-key",
@@ -74,7 +74,7 @@ func TestAWSEnhanced(t *testing.T) {
 	ctx := context.Background()
 
 	// 测试配置验证
-	_, err := awsClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := awsClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Aws = &interfaces.EmailConfigDataAws{
 			AccessId:     "test-access-id",
 			AccessSecret: "test-access-secret",
@@ -95,7 +95,7 @@ func TestMailgunEnhanced(t *testing.T) {
 	ctx := context.Background()
 
 	// 测试配置验证
-	_, err := mailgunClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := mailgunClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Mailgun = &interfaces.EmialConfigDataMailgun{
 			ApiKey: "test-api-key",
 			Domain: "example.com",

html_email_example.go

@@ -15,7 +15,7 @@ func ExampleHTMLEmail() {
 	smtpClient := smtp.NewSmtp()
 
 	// 配置SMTP
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.gmail.com",
 			Port:     "587",
@@ -110,7 +110,7 @@ func ExampleTextEmail() {
 	ctx := context.Background()
 	smtpClient := smtp.NewSmtp()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.gmail.com",
 			Port:     "587",
@@ -159,7 +159,7 @@ func ExampleAutoDetectContentType() {
 	ctx := context.Background()
 	smtpClient := smtp.NewSmtp()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.gmail.com",
 			Port:     "587",
@@ -205,7 +205,7 @@ func ExampleByteDataAttachment() {
 	ctx := context.Background()
 	smtpClient := smtp.NewSmtp()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.gmail.com",
 			Port:     "587",
@@ -250,7 +250,7 @@ func ExampleComplexHTMLEmail() {
 	ctx := context.Background()
 	smtpClient := smtp.NewSmtp()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.gmail.com",
 			Port:     "587",

interfaces/interfaces.go

@@ -5,10 +5,8 @@ import (
 	"errors"
 )
 
-
-
 type EmailInterface interface {
-	SetOption(ctx context.Context, opt ...Option) (EmailInterface, error) // 初始化
+	SetOption(ctx context.Context, opt ...Option) error // 初始化
 	GetEmailType() EmailType
 	// Send 发送邮件
 	Send(ctx context.Context, params Message) error
@@ -24,6 +22,7 @@ type EmailFactoryInterface interface {
 type DefaultEmail struct {
 	Options   Options // 配置信息
 	EmailType EmailType
+	IsSet     bool
 }
 
 func NewDefaultEmail() *DefaultEmail {
@@ -33,15 +32,16 @@ func NewDefaultEmail() *DefaultEmail {
 	}
 }
 
-func (l *DefaultEmail) SetOption(ctx context.Context, opt ...Option) (EmailInterface, error) {
+func (l *DefaultEmail) SetOption(ctx context.Context, opt ...Option) error {
 	// 深复制l并且返回新的
-	newL := *l
 
 	for _, o := range opt {
-		o(&newL.Options)
+		o(&l.Options)
 	}
 
-	return &newL, nil
+	l.IsSet = true
+
+	return nil
 }
 
 func (l *DefaultEmail) GetEmailType() EmailType {

mailgun/mailgun.go

@@ -29,31 +29,32 @@ func NewMailGun() *MailGun {
 	return mailgun
 }
 
-func (l *MailGun) SetOption(ctx context.Context, opt ...interfaces.Option) (interfaces.EmailInterface, error) {
+func (l *MailGun) SetOption(ctx context.Context, opt ...interfaces.Option) error {
 	for _, o := range opt {
 		o(&l.Options)
 	}
 
 	if l.Options.Mailgun == nil {
-		return nil, fmt.Errorf("Mailgun configuration is required")
+		return fmt.Errorf("Mailgun configuration is required")
 	}
 
 	// 验证配置
 	if err := l.validateConfig(); err != nil {
-		return nil, fmt.Errorf("invalid Mailgun config: %w", err)
+		return fmt.Errorf("invalid Mailgun config: %w", err)
 	}
 
 	// 安全日志输出
-	l.Options.Logger.Infof(ctx, "Mailgun configured - Domain:%s Sender:%s", 
+	l.Options.Logger.Infof(ctx, "Mailgun configured - Domain:%s Sender:%s",
 		l.Options.Mailgun.Domain, l.Options.Mailgun.Sender)
 
 	l.mg = mailgun.NewMailgun(l.Options.Mailgun.Domain, l.Options.Mailgun.ApiKey)
 
-	return l, nil
+	l.IsSet = true
+	return nil
 }
 
 func (l *MailGun) Send(ctx context.Context, params interfaces.Message) error {
-	if l.mg == nil {
+	if !l.IsSet {
 		return fmt.Errorf("Mailgun client not initialized")
 	}
 

mailgun/mailgun_test.go

@@ -15,10 +15,10 @@ var (
 )
 
 func TestSendEmail(t *testing.T) {
-	gun := mailgun.NewMailGun()
+	ini := mailgun.NewMailGun()
 	ctx := context.Background()
 
-	ini, err := gun.SetOption(ctx, interfaces.SetMailgun(&interfaces.EmialConfigDataMailgun{
+	err := ini.SetOption(ctx, interfaces.SetMailgun(&interfaces.EmialConfigDataMailgun{
 		ApiKey: apikey,
 		Domain: domain,
 		Sender: sender,

performance_test.go

@@ -17,7 +17,7 @@ func TestConcurrentSend(t *testing.T) {
 	ctx := context.Background()
 
 	// 配置SMTP客户端
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",
@@ -42,7 +42,7 @@ func TestConcurrentSend(t *testing.T) {
 		wg.Add(1)
 		go func(goroutineID int) {
 			defer wg.Done()
-			
+
 			for j := 0; j < emailsPerGoroutine; j++ {
 				message := interfaces.Message{
 					To:      []string{fmt.Sprintf("test%d_%d@example.com", goroutineID, j)},
@@ -55,7 +55,7 @@ func TestConcurrentSend(t *testing.T) {
 				if err != nil {
 					errors <- fmt.Errorf("goroutine %d, email %d: %w", goroutineID, j, err)
 				}
-				
+
 				// 模拟发送时间
 				time.Sleep(10 * time.Millisecond)
 			}
@@ -88,7 +88,7 @@ func TestMemoryUsage(t *testing.T) {
 	smtpClient := smtp.NewSmtp()
 	ctx := context.Background()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",
@@ -128,7 +128,7 @@ func TestConnectionReuse(t *testing.T) {
 	smtpClient := smtp.NewSmtp()
 	ctx := context.Background()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",
@@ -168,7 +168,7 @@ func TestErrorRecovery(t *testing.T) {
 	smtpClient := smtp.NewSmtp()
 	ctx := context.Background()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "invalid-smtp-server.com", // 故意使用无效服务器
 			Port:     "587",
@@ -187,7 +187,7 @@ func TestErrorRecovery(t *testing.T) {
 	}
 
 	start := time.Now()
-	
+
 	// 这应该失败并触发重试机制
 
 	err = smtpClient.Send(ctx, message)
@@ -228,7 +228,7 @@ func TestLargeAttachment(t *testing.T) {
 	smtpClient := smtp.NewSmtp()
 	ctx := context.Background()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",
@@ -282,11 +282,11 @@ func BenchmarkConcurrentEmailCreation(b *testing.B) {
 // 配置创建基准测试
 func BenchmarkSMTPConfiguration(b *testing.B) {
 	ctx := context.Background()
-	
+
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
 		smtpClient := smtp.NewSmtp()
-		_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+		err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 			opt.Smtp = &interfaces.EmailConfigDataSmtp{
 				Host:     "smtp.example.com",
 				Port:     "587",
@@ -318,7 +318,7 @@ func TestLoadTesting(t *testing.T) {
 	smtpClient := smtp.NewSmtp()
 	ctx := context.Background()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",
@@ -342,7 +342,7 @@ func TestLoadTesting(t *testing.T) {
 		wg.Add(1)
 		go func(emailID int) {
 			defer wg.Done()
-			
+
 			// 获取信号量
 			semaphore <- struct{}{}
 			defer func() { <-semaphore }()
@@ -367,4 +367,4 @@ func TestLoadTesting(t *testing.T) {
 	t.Logf("- Concurrency: %d", concurrency)
 	t.Logf("- Duration: %v", duration)
 	t.Logf("- Throughput: %.2f emails/second", float64(totalEmails)/duration.Seconds())
-}
+}

smtp/example_usage.go

@@ -15,7 +15,7 @@ func ExampleUsage() {
 	smtpClient := NewSmtp()
 
 	// 配置SMTP设置
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.gmail.com",
 			Port:     "587", // STARTTLS
@@ -56,7 +56,7 @@ func ExampleSSLUsage() {
 
 	smtpClient := NewSmtp()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.gmail.com",
 			Port:     "465", // SSL
@@ -87,7 +87,7 @@ func ExampleEnterpriseEmail() {
 	smtpClient := NewSmtp()
 
 	// 企业邮箱通常使用587端口和STARTTLS
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.exmail.qq.com", // 腾讯企业邮箱
 			Port:     "587",

smtp/html_email_test.go

@@ -148,7 +148,7 @@ func TestMessageValidation2(t *testing.T) {
 	ctx := context.Background()
 
 	// 配置SMTP客户端
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",
@@ -226,7 +226,7 @@ func TestMultipartEmailConstruction2(t *testing.T) {
 	smtpClient := NewSmtp()
 	ctx := context.Background()
 
-	_, err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
+	err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",

smtp/smtp.go

@@ -44,18 +44,18 @@ func NewSmtp() *Smtp {
 	return smtp
 }
 
-func (l *Smtp) SetOption(ctx context.Context, opt ...interfaces.Option) (interfaces.EmailInterface, error) {
+func (l *Smtp) SetOption(ctx context.Context, opt ...interfaces.Option)  error {
 	for _, o := range opt {
 		o(&l.Options)
 	}
 
 	if l.Options.Smtp == nil {
-		return nil, fmt.Errorf("SMTP configuration is required")
+		return  fmt.Errorf("SMTP configuration is required")
 	}
 
 	// 验证配置
 	if err := l.validateConfig(); err != nil {
-		return nil, fmt.Errorf("invalid SMTP config: %w", err)
+		return  fmt.Errorf("invalid SMTP config: %w", err)
 	}
 
 	// 初始化认证
@@ -65,11 +65,13 @@ func (l *Smtp) SetOption(ctx context.Context, opt ...interfaces.Option) (interfa
 	l.Options.Logger.Infof(ctx, "SMTP configured - Host:%s Port:%s Username:%s",
 		l.Options.Smtp.Host, l.Options.Smtp.Port, l.Options.Smtp.Username)
 
-	return l, nil
+	l.IsSet = true
+
+	return nil
 }
 
 func (l *Smtp) Send(ctx context.Context, message interfaces.Message) error {
-	if l.Options.Smtp == nil {
+	if !l.IsSet {
 		return fmt.Errorf("SMTP not initialized")
 	}
 
@@ -441,19 +443,19 @@ func (l *Smtp) writeBody(buffer *bytes.Buffer, boundary string, message interfac
 		altBoundary := "alt-" + boundary
 		buffer.WriteString(fmt.Sprintf("--%s\r\n", boundary))
 		buffer.WriteString(fmt.Sprintf("Content-Type: multipart/alternative; boundary=%s\r\n\r\n", altBoundary))
-		
+
 		// 纯文本版本
 		buffer.WriteString(fmt.Sprintf("--%s\r\n", altBoundary))
 		buffer.WriteString("Content-Type: text/plain; charset=utf-8\r\n")
 		buffer.WriteString("Content-Transfer-Encoding: quoted-printable\r\n\r\n")
 		buffer.WriteString(message.TextBody + "\r\n")
-		
+
 		// HTML版本
 		buffer.WriteString(fmt.Sprintf("--%s\r\n", altBoundary))
 		buffer.WriteString("Content-Type: text/html; charset=utf-8\r\n")
 		buffer.WriteString("Content-Transfer-Encoding: quoted-printable\r\n\r\n")
 		buffer.WriteString(message.Body + "\r\n")
-		
+
 		buffer.WriteString(fmt.Sprintf("--%s--\r\n", altBoundary))
 	} else {
 		// 单一内容类型

smtp/smtp_enhanced_test.go

@@ -15,13 +15,13 @@ func TestSmtpEnhanced(t *testing.T) {
 	ctx := context.Background()
 	
 	// 测试空配置
-	_, err := smtp.SetOption(ctx)
+	err := smtp.SetOption(ctx)
 	if err == nil {
 		t.Error("Expected error for empty config")
 	}
 	
 	// 测试不完整配置
-	_, err = smtp.SetOption(ctx, func(opt *interfaces.Options) {
+	err = smtp.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host: "smtp.example.com",
 			// 缺少用户名和密码
@@ -32,7 +32,7 @@ func TestSmtpEnhanced(t *testing.T) {
 	}
 	
 	// 测试完整配置
-	_, err = smtp.SetOption(ctx, func(opt *interfaces.Options) {
+	err = smtp.SetOption(ctx, func(opt *interfaces.Options) {
 		opt.Smtp = &interfaces.EmailConfigDataSmtp{
 			Host:     "smtp.example.com",
 			Port:     "587",

smtp/smtp_test.go

@@ -10,7 +10,7 @@ import (
 )
 
 func TestMail(t *testing.T) {
-	sm := smtp.NewSmtp()
+	ini := smtp.NewSmtp()
 	ctx := context.Background()
 
 	// ini, err := sm.SetOption(ctx, interfaces.SetSmtp(&interfaces.EmailConfigDataSmtp{
@@ -24,8 +24,7 @@ func TestMail(t *testing.T) {
 	// 	t.Fatal(err)
 	// }
 
-
+	err := ini.SetOption(ctx, interfaces.SetSmtp(&interfaces.EmailConfigDataSmtp{
-	ini, err := sm.SetOption(ctx, interfaces.SetSmtp(&interfaces.EmailConfigDataSmtp{
 		IsSSL:    true,
 		Username: "demo@yunink.net",
 		Password: "aAhVPzHydLoc9Fj8",
@@ -37,8 +36,6 @@ func TestMail(t *testing.T) {
 		t.Fatal(err)
 	}
 
-
-
 	// req, err := http.Get("https://baidu.com")
 	// if err != nil {
 	// 	t.Fatal(err)