调整SetOptions的方式

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",
-		To: []string{"995116474@qq.com"},
+		Form:    "yun@blueoceanpay.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)