diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50d2bdfec..e892edd2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
-## 3.7.7
+## v3.7.8
+
+### added
+
+- feat: 新增 v3 付款码服务商模式(#1010)
+
+## v3.7.7
 
 ### added
 
diff --git a/src/Plugin/Wechat/V3/Pay/Pos/CancelPlugin.php b/src/Plugin/Wechat/V3/Pay/Pos/CancelPlugin.php
index 94cd3cad0..2da3ac3e1 100644
--- a/src/Plugin/Wechat/V3/Pay/Pos/CancelPlugin.php
+++ b/src/Plugin/Wechat/V3/Pay/Pos/CancelPlugin.php
@@ -13,12 +13,15 @@
 use Yansongda\Artful\Logger;
 use Yansongda\Artful\Rocket;
 use Yansongda\Pay\Exception\Exception;
+use Yansongda\Pay\Pay;
+use Yansongda\Supports\Collection;
 
 use function Yansongda\Pay\get_provider_config;
 use function Yansongda\Pay\get_wechat_type_key;
 
 /**
  * @see https://pay.weixin.qq.com/docs/merchant/apis/code-payment-v3/direct/reverse.html
+ * @see https://pay.weixin.qq.com/docs/partner/apis/partner-code-payment-v3/partner/partner-reverse.html
  */
 class CancelPlugin implements PluginInterface
 {
@@ -41,12 +44,17 @@ public function assembly(Rocket $rocket, Closure $next): Rocket
             throw new InvalidParamsException(Exception::PARAMS_NECESSARY_PARAMS_MISSING, '参数异常: 付款码支付撤销订单，参数缺少 `out_trade_no`');
         }
 
+        if (Pay::MODE_SERVICE === ($config['mode'] ?? Pay::MODE_NORMAL)) {
+            $data = $this->service($payload, $params, $config);
+        }
+
         $rocket->setPayload(array_merge(
             [
                 '_method' => 'POST',
                 '_url' => 'v3/pay/transactions/out-trade-no/'.$outTradeNo.'/reverse',
+                '_service_url' => 'v3/pay/partner/transactions/out-trade-no/'.$outTradeNo.'/reverse',
             ],
-            $this->normal($params, $config)
+            $data ?? $this->normal($params, $config)
         ));
 
         Logger::info('[Wechat][V3][Pay][Pos][CancelPlugin] 插件装载完毕', ['rocket' => $rocket]);
@@ -61,4 +69,15 @@ protected function normal(array $params, array $config): array
             'mchid' => $config['mch_id'] ?? '',
         ];
     }
+
+    protected function service(Collection $payload, array $params, array $config): array
+    {
+        $configKey = get_wechat_type_key($params);
+
+        return [
+            'sp_appid' => $config[$configKey] ?? '',
+            'sp_mchid' => $config['mch_id'] ?? '',
+            'sub_mchid' => $payload->get('sub_mchid', $config['sub_mch_id'] ?? ''),
+        ];
+    }
 }
diff --git a/src/Plugin/Wechat/V3/Pay/Pos/PayPlugin.php b/src/Plugin/Wechat/V3/Pay/Pos/PayPlugin.php
index c77ca0f05..c97f7cb28 100644
--- a/src/Plugin/Wechat/V3/Pay/Pos/PayPlugin.php
+++ b/src/Plugin/Wechat/V3/Pay/Pos/PayPlugin.php
@@ -8,15 +8,20 @@
 use Throwable;
 use Yansongda\Artful\Contract\PluginInterface;
 use Yansongda\Artful\Exception\ContainerException;
+use Yansongda\Artful\Exception\InvalidParamsException;
 use Yansongda\Artful\Exception\ServiceNotFoundException;
 use Yansongda\Artful\Logger;
 use Yansongda\Artful\Rocket;
+use Yansongda\Pay\Exception\Exception;
+use Yansongda\Pay\Pay;
+use Yansongda\Supports\Collection;
 
 use function Yansongda\Pay\get_provider_config;
 use function Yansongda\Pay\get_wechat_type_key;
 
 /**
  * @see https://pay.weixin.qq.com/docs/merchant/apis/code-payment-v3/direct/code-pay.html
+ * @see https://pay.weixin.qq.com/docs/partner/apis/partner-code-payment-v3/partner/partner-code-pay.html
  */
 class PayPlugin implements PluginInterface
 {
@@ -29,15 +34,25 @@ public function assembly(Rocket $rocket, Closure $next): Rocket
     {
         Logger::debug('[Wechat][V3][Pay][Pos][PayPlugin] 插件开始装载', ['rocket' => $rocket]);
 
+        $payload = $rocket->getPayload();
         $params = $rocket->getParams();
         $config = get_provider_config('wechat', $params);
 
+        if (is_null($payload)) {
+            throw new InvalidParamsException(Exception::PARAMS_NECESSARY_PARAMS_MISSING, '参数异常: 付款码支付，参数为空');
+        }
+
+        if (Pay::MODE_SERVICE === ($config['mode'] ?? Pay::MODE_NORMAL)) {
+            $data = $this->service($payload, $params, $config);
+        }
+
         $rocket->mergePayload(array_merge(
             [
                 '_method' => 'POST',
                 '_url' => 'v3/pay/transactions/codepay',
+                '_service_url' => 'v3/pay/partner/transactions/codepay',
             ],
-            $this->normal($params, $config)
+            $data ?? $this->normal($params, $config)
         ));
 
         Logger::info('[Wechat][V3][Pay][Pos][PayPlugin] 插件装载完毕', ['rocket' => $rocket]);
@@ -52,4 +67,15 @@ protected function normal(array $params, array $config): array
             'mchid' => $config['mch_id'] ?? '',
         ];
     }
+
+    protected function service(Collection $payload, array $params, array $config): array
+    {
+        $configKey = get_wechat_type_key($params);
+
+        return [
+            'sp_appid' => $config[$configKey] ?? '',
+            'sp_mchid' => $config['mch_id'] ?? '',
+            'sub_mchid' => $payload->get('sub_mchid', $config['sub_mch_id'] ?? ''),
+        ];
+    }
 }
diff --git a/tests/Plugin/Wechat/V3/Pay/Pos/CancelPluginTest.php b/tests/Plugin/Wechat/V3/Pay/Pos/CancelPluginTest.php
index ad4378d5d..8a39e4614 100644
--- a/tests/Plugin/Wechat/V3/Pay/Pos/CancelPluginTest.php
+++ b/tests/Plugin/Wechat/V3/Pay/Pos/CancelPluginTest.php
@@ -20,6 +20,20 @@ protected function setUp(): void
         $this->plugin = new CancelPlugin();
     }
 
+    public function testMissingOut()
+    {
+        $rocket = new Rocket();
+        $rocket->setPayload(new Collection([
+            'aaa' => 'aaa'
+        ]));
+
+        self::expectException(InvalidParamsException::class);
+        self::expectExceptionCode(Exception::PARAMS_NECESSARY_PARAMS_MISSING);
+        self::expectExceptionMessage('参数异常: 付款码支付撤销订单，参数缺少 `out_trade_no`');
+
+        $this->plugin->assembly($rocket, function ($rocket) { return $rocket; });
+    }
+
     public function testNormal()
     {
         $rocket = new Rocket();
@@ -31,25 +45,46 @@ public function testNormal()
         $result = $this->plugin->assembly($rocket, function ($rocket) { return $rocket; });
         $payload = $result->getPayload();
 
-        self::assertEqualsCanonicalizing([
-            '_method' => 'POST',
-            '_url' => 'v3/pay/transactions/out-trade-no/111/reverse',
-            'appid' => 'wx55955316af4ef13',
-            'mchid' => '1600314069'
-        ], $payload->all());
+        self::assertEquals('POST', $payload->get('_method'));
+        self::assertEquals('v3/pay/transactions/out-trade-no/111/reverse', $payload->get('_url'));
+        self::assertEquals('wx55955316af4ef13', $payload->get('appid'));
+        self::assertEquals('1600314069', $payload->get('mchid'));
     }
 
-    public function testMissingOut()
+    public function testService()
     {
         $rocket = new Rocket();
-        $rocket->setPayload(new Collection([
+        $rocket->setParams(['_config' => 'service_provider'])->setPayload(new Collection([
+            "out_trade_no" => "111",
             'aaa' => 'aaa'
         ]));
 
-        self::expectException(InvalidParamsException::class);
-        self::expectExceptionCode(Exception::PARAMS_NECESSARY_PARAMS_MISSING);
-        self::expectExceptionMessage('参数异常: 付款码支付撤销订单，参数缺少 `out_trade_no`');
+        $result = $this->plugin->assembly($rocket, function ($rocket) { return $rocket; });
+        $payload = $result->getPayload();
 
-        $this->plugin->assembly($rocket, function ($rocket) { return $rocket; });
+        self::assertEquals('POST', $payload->get('_method'));
+        self::assertEquals('v3/pay/partner/transactions/out-trade-no/111/reverse', $payload->get('_service_url'));
+        self::assertEquals('wx55955316af4ef13', $payload->get('sp_appid'));
+        self::assertEquals('1600314069', $payload->get('sp_mchid'));
+        self::assertEquals('1600314070', $payload->get('sub_mchid'));
+    }
+
+    public function testServiceParams()
+    {
+        $rocket = new Rocket();
+        $rocket->setParams(['_config' => 'service_provider'])->setPayload(new Collection([
+            'sub_mchid' => '1222',
+            "out_trade_no" => "111",
+            'aaa' => 'aaa'
+        ]));
+
+        $result = $this->plugin->assembly($rocket, function ($rocket) { return $rocket; });
+        $payload = $result->getPayload();
+
+        self::assertEquals('POST', $payload->get('_method'));
+        self::assertEquals('v3/pay/partner/transactions/out-trade-no/111/reverse', $payload->get('_service_url'));
+        self::assertEquals('wx55955316af4ef13', $payload->get('sp_appid'));
+        self::assertEquals('1600314069', $payload->get('sp_mchid'));
+        self::assertEquals('1222', $payload->get('sub_mchid'));
     }
 }
diff --git a/tests/Plugin/Wechat/V3/Pay/Pos/PayPluginTest.php b/tests/Plugin/Wechat/V3/Pay/Pos/PayPluginTest.php
index f26b9280d..acaf5ee73 100644
--- a/tests/Plugin/Wechat/V3/Pay/Pos/PayPluginTest.php
+++ b/tests/Plugin/Wechat/V3/Pay/Pos/PayPluginTest.php
@@ -3,6 +3,8 @@
 namespace Yansongda\Pay\Tests\Plugin\Wechat\V3\Pay\Pos;
 
 use Yansongda\Artful\Contract\PackerInterface;
+use Yansongda\Artful\Exception\InvalidParamsException;
+use Yansongda\Pay\Exception\Exception;
 use Yansongda\Pay\Plugin\Wechat\V3\Pay\Pos\PayPlugin;
 use Yansongda\Artful\Rocket;
 use Yansongda\Pay\Tests\TestCase;
@@ -19,6 +21,17 @@ protected function setUp(): void
         $this->plugin = new PayPlugin();
     }
 
+    public function testEmptyPayload()
+    {
+        $rocket = new Rocket();
+
+        self::expectException(InvalidParamsException::class);
+        self::expectExceptionCode(Exception::PARAMS_NECESSARY_PARAMS_MISSING);
+        self::expectExceptionMessage('参数异常: 付款码支付，参数为空');
+
+        $this->plugin->assembly($rocket, function ($rocket) { return $rocket; });
+    }
+
     public function testNormal()
     {
         $rocket = new Rocket();
@@ -50,4 +63,71 @@ public function testNormal()
         self::assertEquals(1, $payload->get('amount')['total']);
         self::assertEquals('5678', $payload->get('scene_info')['id']);
     }
+
+    public function testService()
+    {
+        $rocket = new Rocket();
+        $rocket->setParams(['_config' => 'service_provider'])->setPayload(new Collection([
+            'description' => 'test',
+            "out_trade_no" => "111",
+            'payer' => [
+                'auth_code' => '1234'
+            ],
+            'amount' => [
+                'total' => 1,
+            ],
+            'scene_info' => [
+                'id' => '5678'
+            ],
+        ]));
+
+        $result = $this->plugin->assembly($rocket, function ($rocket) { return $rocket; });
+        $payload = $result->getPayload();
+
+        self::assertEquals(PackerInterface::class, $result->getPacker());
+        self::assertEquals('v3/pay/partner/transactions/codepay', $payload->get('_service_url'));
+        self::assertEquals('POST', $payload->get('_method'));
+        self::assertEquals('wx55955316af4ef13', $payload->get('sp_appid'));
+        self::assertEquals('1600314069', $payload->get('sp_mchid'));
+        self::assertEquals('1600314070', $payload->get('sub_mchid'));
+        self::assertEquals('111', $payload->get('out_trade_no'));
+        self::assertEquals('test', $payload->get('description'));
+        self::assertEquals('1234', $payload->get('payer')['auth_code']);
+        self::assertEquals(1, $payload->get('amount')['total']);
+        self::assertEquals('5678', $payload->get('scene_info')['id']);
+    }
+
+    public function testServiceParams()
+    {
+        $rocket = new Rocket();
+        $rocket->setParams(['_config' => 'service_provider'])->setPayload(new Collection([
+            'sub_mchid' => 'aaaa',
+            'description' => 'test',
+            "out_trade_no" => "111",
+            'payer' => [
+                'auth_code' => '1234'
+            ],
+            'amount' => [
+                'total' => 1,
+            ],
+            'scene_info' => [
+                'id' => '5678'
+            ],
+        ]));
+
+        $result = $this->plugin->assembly($rocket, function ($rocket) { return $rocket; });
+        $payload = $result->getPayload();
+
+        self::assertEquals(PackerInterface::class, $result->getPacker());
+        self::assertEquals('v3/pay/partner/transactions/codepay', $payload->get('_service_url'));
+        self::assertEquals('POST', $payload->get('_method'));
+        self::assertEquals('wx55955316af4ef13', $payload->get('sp_appid'));
+        self::assertEquals('1600314069', $payload->get('sp_mchid'));
+        self::assertEquals('aaaa', $payload->get('sub_mchid'));
+        self::assertEquals('111', $payload->get('out_trade_no'));
+        self::assertEquals('test', $payload->get('description'));
+        self::assertEquals('1234', $payload->get('payer')['auth_code']);
+        self::assertEquals(1, $payload->get('amount')['total']);
+        self::assertEquals('5678', $payload->get('scene_info')['id']);
+    }
 }