diff --git a/app/Admin/Actions/Grid/PartCoupon.php b/app/Admin/Actions/Grid/PartCoupon.php
new file mode 100644
index 00000000..0b322e7d
--- /dev/null
+++ b/app/Admin/Actions/Grid/PartCoupon.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Admin\Actions\Grid;
+
+use App\Admin\Forms\PartCoupon as PartCouponForm;
+use Dcat\Admin\Grid\RowAction;
+use Dcat\Admin\Widgets\Modal;
+
+class PartCoupon extends RowAction
+{
+    /**
+     * @return string
+     */
+    protected $title = '<i class="feather icon-list grid-action-icon"></i>';
+
+    public function title()
+    {
+        if ($this->title) {
+            return $this->title.'&nbsp;赠券';
+        }
+
+        return '赠券';
+    }
+
+    /**
+     * @param Model|Authenticatable|HasPermissions|null $user
+     *
+     * @return bool
+     */
+    protected function authorize($user): bool
+    {
+        return $user->can('dcat.admin.product_parts.coupons');
+    }
+
+    public function render()
+    {
+        $form = PartCouponForm::make()->payload(['id'=>$this->getKey()]);
+        return Modal::make()
+            ->lg()
+            ->title($this->title())
+            ->body($form)
+            ->button($this->title());
+    }
+}
diff --git a/app/Admin/Actions/Show/AfterSaleFinanceShipping.php b/app/Admin/Actions/Show/AfterSaleFinanceShipping.php
index a2e38b35..b2d35688 100644
--- a/app/Admin/Actions/Show/AfterSaleFinanceShipping.php
+++ b/app/Admin/Actions/Show/AfterSaleFinanceShipping.php
@@ -52,7 +52,7 @@ class AfterSaleFinanceShipping extends AbstractTool
         try {
             DB::beginTransaction();
             $afterSale = AfterSale::where('state', AfterSale::STATE_FINANCE)->findOrFail($key);
-            $afterSaleService->finance($afterSale);
+            $afterSaleService->finance($afterSale, '同意换货');
             DB::commit();
         } catch (Throwable $th) {
             DB::rollBack();
diff --git a/app/Admin/Controllers/ProductPartController.php b/app/Admin/Controllers/ProductPartController.php
index 8da7c262..000d74fc 100644
--- a/app/Admin/Controllers/ProductPartController.php
+++ b/app/Admin/Controllers/ProductPartController.php
@@ -2,6 +2,7 @@
 
 namespace App\Admin\Controllers;
 
+use App\Admin\Actions\Grid\PartCoupon;
 use App\Admin\Renderable\ProductPartSkuTable;
 use App\Admin\Renderable\ProductSkuSimpleTable;
 use App\Admin\Repositories\ProductPart;
@@ -60,6 +61,9 @@ class ProductPartController extends AdminController
             //删除以及自定义操作
             $grid->actions(function (Grid\Displayers\Actions $actions) {
                 $actions->disableDelete(Admin::user()->cannot('dcat.admin.product_parts.destroy'));
+                if (Admin::user()->can('dcat.admin.product_parts.coupons')) {
+                    $actions->append(new PartCoupon());
+                }
             });
 
             /** 查询 **/
@@ -128,6 +132,7 @@ class ProductPartController extends AdminController
 
 
             $form->switch('is_show')->default(0);
+            $form->textarea('description');
 
             $form->display('created_at');
             $form->display('updated_at');
diff --git a/app/Admin/Forms/PartCoupon.php b/app/Admin/Forms/PartCoupon.php
new file mode 100644
index 00000000..102941df
--- /dev/null
+++ b/app/Admin/Forms/PartCoupon.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace App\Admin\Forms;
+
+use App\Models\Coupon;
+use App\Models\ProductPart;
+use App\Models\ProductPartCoupon;
+use Dcat\Admin\Contracts\LazyRenderable;
+use Dcat\Admin\Form\NestedForm;
+use Dcat\Admin\Traits\LazyWidget;
+use Dcat\Admin\Widgets\Form;
+use Illuminate\Support\Facades\DB;
+use Throwable;
+
+class PartCoupon extends Form implements LazyRenderable
+{
+    use LazyWidget;
+
+    /**
+     * @param Model|Authenticatable|HasPermissions|null $user
+     *
+     * @return bool
+     */
+    protected function authorize($user): bool
+    {
+        return $user->can('dcat.admin.product_parts.coupons');
+    }
+
+    /**
+     * Handle the form request.
+     *
+     * @param array $input
+     *
+     * @return mixed
+     */
+    public function handle(array $input)
+    {
+        $couponIds = [];
+        $coupons = [];
+        $delCouponIds = [];
+        foreach ($input['coupons'] as $coupon) {
+            if ($coupon['_remove_'] == 1) {
+                $delCouponIds[] = $coupon['id'];
+            } else {
+                if (is_null($coupon['id'])) {
+                    $coupons[] = new ProductPartCoupon($coupon);
+                } else {
+                    $_coupon = ProductPartCoupon::find($coupon['id']);
+                    $_coupon->coupon_id = $coupon['coupon_id'];
+                    $_coupon->num = $coupon['num'];
+
+                    $coupons[] = $_coupon;
+                }
+            }
+        }
+        $partId = $input['part_id'];
+        $part = ProductPart::findOrFail($partId);
+
+        try {
+            DB::beginTransaction();
+            $part->coupons()->saveMany($coupons);
+
+            ProductPartCoupon::whereIn('id', $delCouponIds)->delete();
+            DB::commit();
+        } catch (Throwable $th) {
+            DB::rollBack();
+            report($th);
+            return $this->response()->error('操作失败:'.$th->getMessage())->refresh();
+        }
+
+        return $this->response()
+                    ->success(__('admin.update_succeeded'))
+                    ->refresh();
+    }
+
+    /**
+     * Build a form here.
+     */
+    public function form()
+    {
+        $id = $this->payload['id'] ?? 0;
+        $part = ProductPart::with('coupons')->findOrFail($id);
+
+        $this->hasMany('coupons', function (NestedForm $form) {
+            $form->select('coupon_id')->options(function ($id) {
+                $coupon = Coupon::find($id);
+                if ($coupon) {
+                    return [$coupon->id => $coupon->name];
+                }
+            })->ajax(admin_route('api.coupons'))->required();
+            $form->number('num')->min(1)->default(1);
+        })->customFormat(function () use ($part) {
+            return $part->coupons;
+        });
+        $this->hidden('part_id')->value($id);
+    }
+}
diff --git a/app/Console/Commands/AdminSendCoupon.php b/app/Console/Commands/AdminSendCoupon.php
index 4e48eedd..22ce547d 100644
--- a/app/Console/Commands/AdminSendCoupon.php
+++ b/app/Console/Commands/AdminSendCoupon.php
@@ -6,6 +6,7 @@ use App\Models\Coupon;
 use App\Models\CouponSendTask;
 use App\Models\CouponTaskLog;
 use App\Models\UserCoupon;
+use App\Services\CouponService;
 use Illuminate\Console\Command;
 use Illuminate\Support\Facades\DB;
 use Throwable;
@@ -53,7 +54,6 @@ class AdminSendCoupon extends Command
         $logs = CouponTaskLog::where('status', '0')->where('num', '>', 0)->orderBy('id')->limit($this->limit)->get();
         $logs = $logs->groupBy('task_id');
         foreach ($logs as $taskId => $taskLogs) {
-            $nowTime = now();
             $task = CouponSendTask::find($taskId);
             $coupon = Coupon::find($task->coupon_id);
             //如果优惠券限量，则获取优惠券余量，只发送前面的人；
@@ -62,30 +62,12 @@ class AdminSendCoupon extends Command
                 $failedLogs = $taskLogs->slice($coupon->stock);
                 $taskLogs = $taskLogs->slice(0, $coupon->stock);
             }
-            if ($coupon->use_start_at && $coupon->use_end_at) {
-                $useStartAt = $coupon->use_start_at;
-                $useEndAt = $coupon->use_end_at;
-            } else {
-                $useStartAt = now();
-                $useEndAt = now()->addDays($coupon->use_day);
-            }
 
             //批量插入用户优惠券
             $insertUserCoupons = [];
             foreach ($taskLogs as $taskLog) {
                 for ($i=0; $i< $taskLog->num; $i++) {
-                    $insertUserCoupons[] = [
-                        'user_id'       => $taskLog->user_id,
-                        'coupon_id'     => $taskLog->coupon_id,
-                        'coupon_name'   => $coupon->name,
-                        'coupon_type'   => $coupon->type,
-                        'coupon_amount' => (int) bcmul($coupon->amount, 100),
-                        'coupon_threshold'=> (int) bcmul($coupon->threshold, 100),
-                        'use_start_at'  => $useStartAt,
-                        'use_end_at'    => $useEndAt,
-                        'created_at'    => $nowTime,
-                        'updated_at'    => $nowTime,
-                    ];
+                    $insertUserCoupons[] = CouponService::createUserCouponData($taskLog->user_id, $coupon);
                 }
             }
             try {
diff --git a/app/Models/ProductPart.php b/app/Models/ProductPart.php
index cf9854e5..d73151e9 100644
--- a/app/Models/ProductPart.php
+++ b/app/Models/ProductPart.php
@@ -52,4 +52,12 @@ class ProductPart extends Model
     {
         return $this->belongsToMany(ProductSku::class, ProductPartSku::class, 'part_id', 'sku_id')->withTimestamps();
     }
+
+    /**
+     * 此分区购买赠送的券
+     */
+    public function coupons()
+    {
+        return $this->hasMany(ProductPartCoupon::class, 'part_id');
+    }
 }
diff --git a/app/Models/ProductPartCoupon.php b/app/Models/ProductPartCoupon.php
new file mode 100644
index 00000000..917f870b
--- /dev/null
+++ b/app/Models/ProductPartCoupon.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ProductPartCoupon extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'part_id', 'coupon_id', 'num',
+    ];
+}
diff --git a/app/Models/ReceivePartCouponLog.php b/app/Models/ReceivePartCouponLog.php
new file mode 100644
index 00000000..2d828d49
--- /dev/null
+++ b/app/Models/ReceivePartCouponLog.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ReceivePartCouponLog extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'user_id', 'part_id',
+    ];
+}
diff --git a/app/Services/CouponService.php b/app/Services/CouponService.php
index 0e3ad802..238fa06e 100644
--- a/app/Services/CouponService.php
+++ b/app/Services/CouponService.php
@@ -2,7 +2,11 @@
 
 namespace App\Services;
 
+use App\Models\Coupon;
+use App\Models\ProductPart;
+use App\Models\ReceivePartCouponLog;
 use App\Models\User;
+use App\Models\UserCoupon;
 
 class CouponService
 {
@@ -50,4 +54,96 @@ class CouponService
 
         return $availableCoupons;
     }
+
+    /**
+     * 根据分区，领取优惠券
+     */
+    public function receivePartCoupon(ProductPart $part, User $user)
+    {
+        //如果分区不显示，直接退出；
+        if (!$part->is_show) {
+            return;
+        }
+        //如果用户已领取过该分区设置的券，直接退出；
+        if (ReceivePartCouponLog::where(['user_id'=>$user->id, 'part_id'=>$part->id])->exists()) {
+            return;
+        }
+
+        //取出需要发放的券
+        $coupons = Coupon::whereIn('id', $part->coupons->pluck('coupon_id')->toArray())->get();
+        $coupons = $coupons->keyBy('id');
+        $someCoupons = [];
+        foreach ($part->coupons as $coupon) {
+            $someCoupons[] = [
+                'coupon'=>$coupons[$coupon->coupon_id],
+                'num'=>$coupon->num,
+            ];
+        }
+        $this->receiveSomeCoupons($user, $someCoupons);
+
+        ReceivePartCouponLog::create(['user_id'=>$user->id, 'part_id'=>$part->id]);
+    }
+
+    /**
+     * 领取一批券
+     *
+     * @param User $user
+     * @param array $coupons
+     * @return void
+     */
+    protected function receiveSomeCoupons(User $user, array $coupons)
+    {
+        $userCoupons = [];
+        foreach ($coupons as $coupon) {
+            for ($i=0; $i<$coupon['num']; $i++) {
+                $userCoupons[] = self::createUserCouponData($user->id, $coupon['coupon']);
+            }
+        }
+        UserCoupon::insert($userCoupons);
+    }
+
+    /**
+     * todo-领取指定券
+     *
+     * @param User $user
+     * @param Coupon $coupon
+     * @param int $num
+     * @return void
+     */
+    public function receiveCoupon(User $user, Coupon $coupon, int $num = 1)
+    {
+        return;
+    }
+
+    /**
+     * 创建用户券数据
+     *
+     * @return array
+     */
+    public static function createUserCouponData(int $userId, Coupon $coupon)
+    {
+        //如果userId小于等于0，直接退出
+        if ($userId <= 0) {
+            return [];
+        }
+        if ($coupon->use_start_at && $coupon->use_end_at) {
+            $useStartAt = $coupon->use_start_at;
+            $useEndAt = $coupon->use_end_at;
+        } else {
+            $useStartAt = now();
+            $useEndAt = now()->addDays($coupon->use_day);
+        }
+        return [
+            'user_id'       => $userId,
+            'coupon_id'     => $coupon->id,
+            'coupon_name'   => $coupon->name,
+            'coupon_type'   => $coupon->type,
+            'coupon_amount' => (int) bcmul($coupon->amount, 100),
+            'coupon_threshold'=> (int) bcmul($coupon->threshold, 100),
+            'use_start_at'  => $useStartAt,
+            'use_end_at'    => $useEndAt,
+            'created_at'    => now(),
+            'updated_at'    => now(),
+        ];
+    }
 }
diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index 1f3522f7..198f5f4e 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -742,6 +742,9 @@ class OrderService
             'status' => Order::STATUS_PAID,
         ]);
 
+        // todo 处理购买分区商品送券
+        $this->sendPartCoupon($order);
+
         // todo 处理预收益
 
         return $order;
@@ -826,4 +829,31 @@ class OrderService
             'status' => Order::STATUS_CANCELLED,
         ]);
     }
+
+    /**
+     * 发送分区优惠券
+     *
+     * @param Order $order
+     * @return void
+     */
+    protected function sendPartCoupon(Order $order)
+    {
+        $products = $order->products()->with('sku.parts')->get();
+        // 整理订单商品的分区
+        $inValidParts = [];
+        foreach ($products->pluck('sku.parts') as $parts) {
+            foreach ($parts as $part) {
+                if ($part->is_show) {
+                    // 分区去重
+                    $inValidParts[$part->id] = $part;
+                }
+            }
+        }
+
+        // 将有效的分区丢进去领券
+        $couponService = new CouponService();
+        foreach ($inValidParts as $inValidPart) {
+            $couponService->receivePartCoupon($inValidPart, $order->user);
+        }
+    }
 }
diff --git a/database/migrations/2021_12_23_094908_create_product_part_coupons_table.php b/database/migrations/2021_12_23_094908_create_product_part_coupons_table.php
new file mode 100644
index 00000000..cbda253e
--- /dev/null
+++ b/database/migrations/2021_12_23_094908_create_product_part_coupons_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateProductPartCouponsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('product_part_coupons', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('part_id')->comment('分区ID');
+            $table->unsignedBigInteger('coupon_id')->comment('券ID');
+            $table->unsignedInteger('num')->default(0)->comment('张数');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('product_part_coupons');
+    }
+}
diff --git a/database/migrations/2021_12_23_095348_create_receive_part_coupon_logs_table.php b/database/migrations/2021_12_23_095348_create_receive_part_coupon_logs_table.php
new file mode 100644
index 00000000..28244b0b
--- /dev/null
+++ b/database/migrations/2021_12_23_095348_create_receive_part_coupon_logs_table.php
@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateReceivePartCouponLogsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('receive_part_coupon_logs', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('user_id')->comment('用户ID');
+            $table->unsignedBigInteger('part_id')->comment('分区ID');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('receive_part_coupon_logs');
+    }
+}
diff --git a/database/migrations/2021_12_23_104444_add_description_to_product_parts_table.php b/database/migrations/2021_12_23_104444_add_description_to_product_parts_table.php
new file mode 100644
index 00000000..26b70e62
--- /dev/null
+++ b/database/migrations/2021_12_23_104444_add_description_to_product_parts_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddDescriptionToProductPartsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('product_parts', function (Blueprint $table) {
+            //
+            $table->text('description')->nullable()->comment('分区描述');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('product_parts', function (Blueprint $table) {
+            //
+            $table->dropColumn('description');
+        });
+    }
+}
diff --git a/resources/lang/zh_CN/product-part.php b/resources/lang/zh_CN/product-part.php
index 50bd234b..b22a024f 100644
--- a/resources/lang/zh_CN/product-part.php
+++ b/resources/lang/zh_CN/product-part.php
@@ -13,6 +13,10 @@ return [
         'skus'=> '分区商品',
         'sku_id' => '商品名称',
         'sort' => '排序',
+        'coupons'=>'赠券配置',
+        'coupon_id' => '优惠券',
+        'num'=>'数量',
+        'description'=>'分区描述',
     ],
     'options' => [
     ],