diff --git a/docs/en/components/mail.md b/docs/en/components/mail.md
index c66b552c6..3eb507783 100644
--- a/docs/en/components/mail.md
+++ b/docs/en/components/mail.md
@@ -161,8 +161,13 @@ return [
 
 ```shell
 php bin/hyperf.php gen:mail TestMail
+php bin/hyperf.php gen:mail TestMail --markdown
 ```
 
+`--markdown` (or `-m`) is a flag and takes no value. It generates a mailable referencing
+`mail.test-mail` for `TestMail`; create that Blade template separately in your configured view
+directory. Without the flag, the generated class uses a regular view.
+
 ```php
 // app/Mail/TestMail.php
 
@@ -217,6 +222,22 @@ class TestMail extends Mailable
 }
 ```
 
+For pre-rendered HTML, return `Content(htmlString: ...)` from your mailable. The HTML is used
+directly without rendering a Blade view:
+
+```php
+use FriendsOfHyperf\Mail\Mailable;
+use FriendsOfHyperf\Mail\Mailable\Content;
+
+class HtmlMail extends Mailable
+{
+    public function content(): Content
+    {
+        return new Content(htmlString: '<h1>Hello</h1><p>Mail body</p>');
+    }
+}
+```
+
 ### Defining the Controller or Service
 
 ```php
diff --git a/docs/zh-cn/components/mail.md b/docs/zh-cn/components/mail.md
index cc7b0cdf4..68daa4539 100644
--- a/docs/zh-cn/components/mail.md
+++ b/docs/zh-cn/components/mail.md
@@ -162,8 +162,12 @@ return [
 
 ```shell
 php bin/hyperf.php gen:mail TestMail
+php bin/hyperf.php gen:mail TestMail --markdown
 ```
 
+`--markdown`（或 `-m`）是无需传值的开关。对于 `TestMail`，生成的邮件类引用 `mail.test-mail`；
+请在配置的视图目录中另行创建对应的 Blade 模板。不使用该开关时，生成的类使用普通视图。
+
 ```php
 // app/Mail/TestMail.php
 
@@ -218,6 +222,22 @@ class TestMail extends Mailable
 }
 ```
 
+对于已渲染的 HTML，可在 mailable 中返回 `Content(htmlString: ...)`，直接作为邮件正文，
+无需渲染 Blade 视图：
+
+```php
+use FriendsOfHyperf\Mail\Mailable;
+use FriendsOfHyperf\Mail\Mailable\Content;
+
+class HtmlMail extends Mailable
+{
+    public function content(): Content
+    {
+        return new Content(htmlString: '<h1>Hello</h1><p>Mail body</p>');
+    }
+}
+```
+
 ### 定义控制器或 Service
 
 ```php
diff --git a/docs/zh-hk/components/mail.md b/docs/zh-hk/components/mail.md
index c435a93ee..842b10034 100644
--- a/docs/zh-hk/components/mail.md
+++ b/docs/zh-hk/components/mail.md
@@ -162,8 +162,12 @@ return [
 
 ```shell
 php bin/hyperf.php gen:mail TestMail
+php bin/hyperf.php gen:mail TestMail --markdown
 ```
 
+`--markdown`（或 `-m`）是無需傳值的開關。對於 `TestMail`，生成的郵件類引用 `mail.test-mail`；
+請在配置的視圖目錄中另行創建對應的 Blade 模板。不使用該開關時，生成的類使用普通視圖。
+
 ```php
 // app/Mail/TestMail.php
 
@@ -218,6 +222,22 @@ class TestMail extends Mailable
 }
 ```
 
+對於已渲染的 HTML，可在 mailable 中返回 `Content(htmlString: ...)`，直接作為郵件正文，
+無需渲染 Blade 視圖：
+
+```php
+use FriendsOfHyperf\Mail\Mailable;
+use FriendsOfHyperf\Mail\Mailable\Content;
+
+class HtmlMail extends Mailable
+{
+    public function content(): Content
+    {
+        return new Content(htmlString: '<h1>Hello</h1><p>Mail body</p>');
+    }
+}
+```
+
 ### 定義控制器或 Service
 
 ```php
diff --git a/docs/zh-tw/components/mail.md b/docs/zh-tw/components/mail.md
index 064ec641b..9c166a6f3 100644
--- a/docs/zh-tw/components/mail.md
+++ b/docs/zh-tw/components/mail.md
@@ -162,8 +162,12 @@ return [
 
 ```shell
 php bin/hyperf.php gen:mail TestMail
+php bin/hyperf.php gen:mail TestMail --markdown
 ```
 
+`--markdown`（或 `-m`）是無需傳值的開關。對於 `TestMail`，生成的郵件類引用 `mail.test-mail`；
+請在配置的檢視目錄中另行建立對應的 Blade 模板。不使用該開關時，生成的類使用普通檢視。
+
 ```php
 // app/Mail/TestMail.php
 
@@ -218,6 +222,22 @@ class TestMail extends Mailable
 }
 ```
 
+對於已渲染的 HTML，可在 mailable 中返回 `Content(htmlString: ...)`，直接作為郵件正文，
+無需渲染 Blade 檢視：
+
+```php
+use FriendsOfHyperf\Mail\Mailable;
+use FriendsOfHyperf\Mail\Mailable\Content;
+
+class HtmlMail extends Mailable
+{
+    public function content(): Content
+    {
+        return new Content(htmlString: '<h1>Hello</h1><p>Mail body</p>');
+    }
+}
+```
+
 ### 定義控制器或 Service
 
 ```php
diff --git a/src/mail/README.md b/src/mail/README.md
index 1b67962f5..4e836d306 100644
--- a/src/mail/README.md
+++ b/src/mail/README.md
@@ -168,8 +168,13 @@ return [
 
 ```shell
 php bin/hyperf.php gen:mail TestMail
+php bin/hyperf.php gen:mail TestMail --markdown
 ```
 
+`--markdown` (or `-m`) is a flag and takes no value. It generates a mailable referencing
+`mail.test-mail` for `TestMail`; create that Blade template separately in your configured view
+directory. Without the flag, the generated class uses a regular view.
+
 ```php
 // app/Mail/TestMail.php
 
@@ -224,6 +229,22 @@ class TestMail extends Mailable
 }
 ```
 
+For pre-rendered HTML, return `Content(htmlString: ...)` from your mailable. The HTML is used
+directly without rendering a Blade view:
+
+```php
+use FriendsOfHyperf\Mail\Mailable;
+use FriendsOfHyperf\Mail\Mailable\Content;
+
+class HtmlMail extends Mailable
+{
+    public function content(): Content
+    {
+        return new Content(htmlString: '<h1>Hello</h1><p>Mail body</p>');
+    }
+}
+```
+
 ### Your Controller or Service
 
 ```php
diff --git a/src/mail/src/Command/MailCommand.php b/src/mail/src/Command/MailCommand.php
index 3fe18ca21..b81492149 100644
--- a/src/mail/src/Command/MailCommand.php
+++ b/src/mail/src/Command/MailCommand.php
@@ -32,7 +32,7 @@ public function __construct(
 
     protected function getStub(): string
     {
-        return $this->getConfig()['stub'] ?? ($this->input->getOption('markdown') !== false ? __DIR__ . '/stubs/mail.stub' : __DIR__ . '/stubs/markdown-mail.stub');
+        return $this->getConfig()['stub'] ?? ($this->input->getOption('markdown') ? __DIR__ . '/stubs/markdown-mail.stub' : __DIR__ . '/stubs/mail.stub');
     }
 
     protected function getDefaultNamespace(): string
@@ -81,7 +81,7 @@ protected function getView(): string
     {
         $view = $this->input->getOption('markdown');
 
-        if (! $view) {
+        if (! is_string($view) || $view === '') {
             $name = str_replace('\\', '/', $this->input->getArgument('name'));
 
             $view = 'mail.' . collect(explode('/', $name))
@@ -103,7 +103,7 @@ protected function buildClass(string $name): string
             parent::buildClass($name)
         );
 
-        if ($this->input->getOption('markdown') !== false) {
+        if ($this->input->getOption('markdown')) {
             $class = str_replace(['DummyView', '{{ view }}'], $this->getView(), $class);
         }
 
diff --git a/src/mail/src/Mailer.php b/src/mail/src/Mailer.php
index b39087f84..7579cee9a 100644
--- a/src/mail/src/Mailer.php
+++ b/src/mail/src/Mailer.php
@@ -285,9 +285,9 @@ protected function sendMailable(MailableContract $mailable): ?SentMessage
     /**
      * Parse the given view name or array.
      */
-    protected function parseView(null|Closure|array|string $view): array
+    protected function parseView(null|Closure|Htmlable|HtmlString|array|string $view): array
     {
-        if (is_string($view) || $view instanceof Closure) {
+        if (is_string($view) || $view instanceof Closure || $view instanceof Htmlable || $view instanceof HtmlString) {
             return [$view, null, null];
         }
 
@@ -315,7 +315,7 @@ protected function parseView(null|Closure|array|string $view): array
     /**
      * Add the content to a given message.
      */
-    protected function addContent(Message $message, null|Closure|string $view, null|Closure|string $plain, ?string $raw, array $data = []): void
+    protected function addContent(Message $message, null|Closure|Htmlable|HtmlString|string $view, null|Closure|Htmlable|HtmlString|string $plain, ?string $raw, array $data = []): void
     {
         if (isset($view)) {
             $message->html($this->renderView($view, $data) ?: ' ');
@@ -333,7 +333,7 @@ protected function addContent(Message $message, null|Closure|string $view, null|
     /**
      * Render the given view.
      */
-    protected function renderView(Closure|string $view, array $data): string
+    protected function renderView(Closure|Htmlable|HtmlString|string $view, array $data): string
     {
         $view = value($view, $data);
         if ($view instanceof Htmlable) {
diff --git a/tests/Mail/MailCommandTest.php b/tests/Mail/MailCommandTest.php
new file mode 100644
index 000000000..e9146b8dd
--- /dev/null
+++ b/tests/Mail/MailCommandTest.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of friendsofhyperf/components.
+ *
+ * @link     https://github.com/friendsofhyperf/components
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
+ * @contact  huangdijia@gmail.com
+ */
+use FriendsOfHyperf\Mail\Command\MailCommand;
+use Hyperf\Config\Config;
+use Hyperf\Contract\ConfigInterface;
+use Hyperf\Support\Filesystem\Filesystem;
+use Symfony\Component\Console\Tester\CommandTester;
+
+beforeEach(function () {
+    $this->config = new Config([]);
+    $this->swap(ConfigInterface::class, $this->config);
+    $this->files = new Filesystem();
+    $this->directory = tempnam(sys_get_temp_dir(), 'mail-command-');
+    unlink($this->directory);
+    $this->files->makeDirectory($this->directory);
+});
+
+afterEach(function () {
+    $this->files->deleteDirectory($this->directory);
+});
+
+it('generates a mailable with the correct content definition', function (string $name, array $options, string $namespace, string $content) {
+    $tester = new CommandTester(new MailCommand($this->files, $this->config));
+
+    $tester->execute(['name' => $name, '--path' => $this->directory] + $options);
+
+    $tester->assertCommandIsSuccessful();
+    $class = $this->files->get($this->directory . '/WelcomeMail.php');
+    expect($class)
+        ->toContain('namespace ' . $namespace . ';')
+        ->toContain('class WelcomeMail extends Mailable')
+        ->toContain("subject: 'Welcome Mail'")
+        ->toContain($content)
+        ->not->toContain('{{');
+})->with([
+    'view mailable' => ['WelcomeMail', [], 'App\Mail', "view: 'view.name'"],
+    'markdown flag' => ['WelcomeMail', ['--markdown' => true], 'App\Mail', "markdown: 'mail.welcome-mail'"],
+    'short markdown flag' => ['WelcomeMail', ['-m' => true], 'App\Mail', "markdown: 'mail.welcome-mail'"],
+    'slash namespace' => ['Orders/WelcomeMail', ['--markdown' => true], 'App\Mail\Orders', "markdown: 'mail.orders.welcome-mail'"],
+    'backslash namespace' => ['Orders\WelcomeMail', ['--markdown' => true], 'App\Mail\Orders', "markdown: 'mail.orders.welcome-mail'"],
+]);
+
+it('respects the configured mail stub', function () {
+    $stub = $this->directory . '/custom.stub';
+    $this->files->put($stub, '<?php namespace %NAMESPACE%; class %CLASS% { /* custom {{ view }} */ }');
+    $this->config->set('devtool.generator.mail.stub', $stub);
+    $tester = new CommandTester(new MailCommand($this->files, $this->config));
+
+    $tester->execute(['name' => 'WelcomeMail', '--path' => $this->directory, '--markdown' => true]);
+
+    $tester->assertCommandIsSuccessful();
+    expect($this->files->get($this->directory . '/WelcomeMail.php'))
+        ->toBe('<?php namespace App\Mail; class WelcomeMail { /* custom mail.welcome-mail */ }');
+});
diff --git a/tests/Mail/MailHtmlContentTest.php b/tests/Mail/MailHtmlContentTest.php
new file mode 100644
index 000000000..b81682126
--- /dev/null
+++ b/tests/Mail/MailHtmlContentTest.php
@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of friendsofhyperf/components.
+ *
+ * @link     https://github.com/friendsofhyperf/components
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
+ * @contact  huangdijia@gmail.com
+ */
+use FriendsOfHyperf\Mail\Mailable;
+use FriendsOfHyperf\Mail\Mailable\Content;
+use FriendsOfHyperf\Mail\Mailer;
+use FriendsOfHyperf\Mail\Message;
+use FriendsOfHyperf\Mail\Transport\ArrayTransport;
+use FriendsOfHyperf\Support\HtmlString;
+use Hyperf\ViewEngine\Contract\FactoryInterface as Factory;
+use Hyperf\ViewEngine\Contract\Htmlable;
+use Mockery as m;
+
+it('sends HTML and text strings without view callbacks', function () {
+    $view = m::mock(Factory::class);
+    $view->shouldNotReceive('make');
+    $mailer = new Mailer('array', $view, new ArrayTransport());
+
+    $sentMessage = $mailer->send(
+        ['html' => new HtmlString('<p>Hello Hyperf</p>'), 'text' => new HtmlString('Hello World')],
+        [],
+        function (Message $message) {
+            $message->to('recipient@example.com')->from('sender@example.com');
+        }
+    );
+
+    $this->assertSame('<p>Hello Hyperf</p>', $sentMessage->getOriginalMessage()->getHtmlBody());
+    $this->assertSame('Hello World', $sentMessage->getOriginalMessage()->getTextBody());
+});
+
+it('sends Htmlable content without rendering a view', function () {
+    $view = m::mock(Factory::class);
+    $view->shouldNotReceive('make');
+    $mailer = new Mailer('array', $view, new ArrayTransport());
+    $html = m::mock(Htmlable::class);
+    $html->expects('toHtml')->andReturn('<p>Hello Hyperf</p>');
+    $text = m::mock(Htmlable::class);
+    $text->expects('toHtml')->andReturn('Hello World');
+
+    $sentMessage = $mailer->send(['html' => $html, 'text' => $text], [], function (Message $message) {
+        $message->to('recipient@example.com')->from('sender@example.com');
+    });
+
+    $this->assertSame('<p>Hello Hyperf</p>', $sentMessage->getOriginalMessage()->getHtmlBody());
+    $this->assertSame('Hello World', $sentMessage->getOriginalMessage()->getTextBody());
+});
+
+it('renders HTML and text string content', function () {
+    $view = m::mock(Factory::class);
+    $view->shouldNotReceive('make');
+    $mailer = new Mailer('array', $view, new ArrayTransport());
+
+    $this->assertSame('<p>Hello Hyperf</p>', $mailer->render(['html' => new HtmlString('<p>Hello Hyperf</p>')]));
+    $this->assertSame('Hello World', $mailer->render(['text' => new HtmlString('Hello World')]));
+});
+
+it('sends a mailable with pre-rendered HTML content', function () {
+    $view = m::mock(Factory::class);
+    $view->shouldNotReceive('make');
+    $transport = new ArrayTransport();
+    $mailer = new Mailer('array', $view, $transport);
+    $mailable = new class extends Mailable {
+        public function content(): Content
+        {
+            return new Content(htmlString: '<h1>Hello</h1><p>Mail body</p>');
+        }
+    };
+    $mailable->from('sender@example.com')->to('recipient@example.com')->subject('Greeting');
+
+    $sentMessage = $mailer->send($mailable);
+
+    $this->assertCount(1, $transport->messages());
+    $this->assertSame('<h1>Hello</h1><p>Mail body</p>', $sentMessage->getOriginalMessage()->getHtmlBody());
+});