diff --git a/src/MiniProgram/AppCode/Client.php b/src/MiniProgram/AppCode/Client.php
new file mode 100644
index 0000000..84cd2f8
--- /dev/null
+++ b/src/MiniProgram/AppCode/Client.php
@@ -0,0 +1,77 @@
+<?php
+
+
+namespace EasySwoole\WeChat\MiniProgram\AppCode;
+
+
+use EasySwoole\WeChat\Kernel\Contracts\StreamResponseInterface;
+use EasySwoole\WeChat\Kernel\Psr\StreamResponse;
+use EasySwoole\WeChat\Kernel\ServiceProviders;
+use EasySwoole\WeChat\MiniProgram\BaseClient;
+
+class Client extends BaseClient
+{
+    /**
+     * @param string $path
+     * @param array $optional
+     * @return StreamResponseInterface
+     * @throws \EasySwoole\WeChat\Kernel\Exceptions\HttpException
+     */
+    public function get(string $path, array $optional = [])
+    {
+        $params = array_merge([
+            'path' => $path,
+        ], $optional);
+
+        return $this->getStream('/wxa/getwxacode', $params);
+    }
+
+    /**
+     * @param string $scene
+     * @param array $optional
+     * @return StreamResponseInterface
+     * @throws \EasySwoole\WeChat\Kernel\Exceptions\HttpException
+     */
+    public function getUnLimit(string $scene, array $optional = [])
+    {
+        $params = array_merge([
+            'scene' => $scene,
+        ], $optional);
+
+        return $this->getStream('/wxa/getwxacodeunlimit', $params);
+    }
+
+    /**
+     * @param string $path
+     * @param int|null $width
+     * @return StreamResponseInterface
+     * @throws \EasySwoole\WeChat\Kernel\Exceptions\HttpException
+     */
+    public function getQrCode(string $path, int $width = null)
+    {
+        return $this->getStream('/cgi-bin/wxaapp/createwxaqrcode', compact('path', 'width'));
+    }
+
+    /**
+     * @param string $endpoint
+     * @param array $params
+     * @return StreamResponse
+     * @throws \EasySwoole\WeChat\Kernel\Exceptions\HttpException
+     */
+    protected function getStream(string $endpoint, array $params)
+    {
+        $response = $this->getClient()
+            ->setMethod('POST')
+            ->setBody($this->jsonDataToStream($params))
+            ->send($this->buildUrl(
+                $endpoint,
+                ['access_token' => $this->app[ServiceProviders::AccessToken]->getToken()])
+            );
+
+        if (false !== stripos($response->getHeaderLine('Content-disposition'), 'attachment')) {
+            return new StreamResponse($response->getBody());
+        }
+
+        $this->checkResponse($response);
+    }
+}
diff --git a/src/MiniProgram/AppCode/ServiceProvider.php b/src/MiniProgram/AppCode/ServiceProvider.php
new file mode 100644
index 0000000..8209664
--- /dev/null
+++ b/src/MiniProgram/AppCode/ServiceProvider.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace EasySwoole\WeChat\MiniProgram\AppCode;
+
+use EasySwoole\WeChat\MiniProgram\Application;
+use Pimple\Container;
+use Pimple\ServiceProviderInterface;
+
+/**
+ * Class ServiceProvider
+ * @package EasySwoole\WeChat\MiniProgram\AppCode
+ */
+class ServiceProvider implements ServiceProviderInterface
+{
+    public function register(Container $app)
+    {
+        $app[Application::AppCode] = function ($app) {
+            return new Client($app);
+        };
+    }
+}
diff --git a/src/MiniProgram/Application.php b/src/MiniProgram/Application.php
index 631e3e7..29e0633 100644
--- a/src/MiniProgram/Application.php
+++ b/src/MiniProgram/Application.php
@@ -11,12 +11,15 @@
  * @package EasySwoole\WeChat\MiniProgram
  * @property Auth\AccessToken $accessToken
  * @property Auth\Client $auth
+ * @property AppCode\Client $appCode
  */
 class Application extends ServiceContainer
 {
     const Auth = 'auth';
+    const AppCode = 'appCode';
 
     protected $providers = [
-        Auth\ServiceProvider::class
+        Auth\ServiceProvider::class,
+        AppCode\ServiceProvider::class
     ];
 }