diff --git a/app/Constants/OrderStatus.php b/app/Constants/OrderStatus.php
index 0874006d..40144680 100644
--- a/app/Constants/OrderStatus.php
+++ b/app/Constants/OrderStatus.php
@@ -8,7 +8,7 @@ class OrderStatus
     public const PENDING = 0;       // 待付款
     public const PAID = 1;          // 已付款/待发货
     public const SHIPPING = 2;      // 发货中
-    public const SHIPPED = 3;       // 已发货
+    public const SHIPPED = 3;       // 已发货/待收货
     public const COMPLETED = 9;     // 已完成
     public const CANCELLED = 10;    // 已取消
 }
diff --git a/app/Endpoint/Api/Http/Controllers/Order/OrderController.php b/app/Endpoint/Api/Http/Controllers/Order/OrderController.php
index 53ee2422..842f3c62 100644
--- a/app/Endpoint/Api/Http/Controllers/Order/OrderController.php
+++ b/app/Endpoint/Api/Http/Controllers/Order/OrderController.php
@@ -7,7 +7,6 @@ use App\Endpoint\Api\Http\Resources\OrderResource;
 use App\Endpoint\Api\Http\Resources\OrderResourceCollection;
 use App\Exceptions\BizException;
 use App\Helpers\Paginator as PaginatorHelper;
-use App\Models\Order;
 use App\Services\OrderService;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Http\Request;
@@ -131,20 +130,7 @@ class OrderController extends Controller
      */
     public function confirm($id, Request $request)
     {
-        $user = $request->user();
-
-        DB::transaction(function () use ($id, $user) {
-            $order = $user->orders()->lockForUpdate()->findOrFail($id);
-
-            if (! $order->isConfirmable()) {
-                throw new BizException('订单状态异常');
-            }
-
-            $order->update([
-                'status' => Order::STATUS_COMPLETED,
-                'completed_at' => now(),
-            ]);
-        });
+        // 确认收货
 
         return response()->noContent();
     }
@@ -158,19 +144,7 @@ class OrderController extends Controller
      */
     public function cancel($id, Request $request)
     {
-        $user = $request->user();
-
-        DB::transaction(function () use ($id, $user) {
-            $order = $user->orders()->lockForUpdate()->findOrFail($id);
-
-            if (! $order->isCancelable()) {
-                throw new BizException('订单状态异常');
-            }
-
-            $order->update([
-                'status' => Order::STATUS_CANCELLED,
-            ]);
-        });
+        // todo 取消订单
 
         return response()->noContent();
     }
diff --git a/app/Models/Order.php b/app/Models/Order.php
index 21cf1310..e06a2cd4 100644
--- a/app/Models/Order.php
+++ b/app/Models/Order.php
@@ -22,10 +22,6 @@ class Order extends Model
     public const SHIPPING_STATE_PROCESSING = 1; // 发货中
     public const SHIPPING_STATE_PROCESSED = 2; // 已完成
 
-    public const PAY_WAY_ALIPAY = 'alipay';
-    public const PAY_WAY_WXPAY = 'wxpay';
-    public const PAY_WAY_BALANCE = 'balance';
-
     /**
      * @var array
      */
@@ -69,15 +65,6 @@ class Order extends Model
         'completed_at',
     ];
 
-    /**
-     * @var array
-     */
-    public static $payWayTexts = [
-        self::PAY_WAY_ALIPAY => '支付宝',
-        self::PAY_WAY_WXPAY => '微信支付',
-        self::PAY_WAY_BALANCE => '余额',
-    ];
-
     /**
      * 下单人
      *
@@ -103,7 +90,8 @@ class Order extends Model
      */
     public function scopeExpired()
     {
-        return $this->where('status', static::STATUS_PENDING)->where('created_at', '<=', now()->subSeconds(1800));
+        return $this->where('status', static::STATUS_PENDING)
+            ->where('created_at', '<=', now()->subSeconds(config('settings.order_payment_expires_at')));
     }
 
     /**
@@ -125,24 +113,56 @@ class Order extends Model
     }
 
     /**
-     * 确认此订单是否可以被确认
+     * 确认此订单是否是待发货
      *
      * @return bool
      */
-    public function isConfirmable(): bool
+    public function isPaid(): bool
     {
-        return $this->status === static::STATUS_PAID;
+        return $this->status === static::STATUS_PAID
+            && $this->shipping_state === static::SHIPPING_STATE_PENDING;
     }
 
     /**
-     * 确认此订单是否可以被取消
+     * 确认此订单是否是发货中
      *
      * @return bool
      */
-    public function isCancelable(): bool
+    public function isShipping(): bool
     {
-        return in_array($this->status, [static::STATUS_PENDING, static::STATUS_PAID])
-            && $this->shipping_state === static::SHIPPING_STATE_PENDING;
+        return $this->status === static::STATUS_PAID
+            && $this->shipping_state === static::SHIPPING_STATE_PROCESSING;
+    }
+
+    /**
+     * 确认此订单是否是已发货
+     *
+     * @return bool
+     */
+    public function isShipped(): bool
+    {
+        return $this->status === static::STATUS_PAID
+            && $this->shipping_state === static::SHIPPING_STATE_PROCESSED;
+    }
+
+    /**
+     * 确认此订单是否是已完成
+     *
+     * @return bool
+     */
+    public function isCompleted(): bool
+    {
+        return $this->status === static::STATUS_COMPLETED;
+    }
+
+    /**
+     * 确认此订单是否是已取消
+     *
+     * @return bool
+     */
+    public function isCancelled(): bool
+    {
+        return $this->status === static::STATUS_CANCELLED;
     }
 
     /**
@@ -212,13 +232,15 @@ class Order extends Model
      */
     public function getExpiresAtAttribute()
     {
-        if ($this->status !== static::STATUS_PENDING) {
+        if (! $this->isPending()) {
             return 0;
         }
 
-        return now()->diffInSeconds(
-            $this->created_at->addSeconds(1800), false
+        $seconds = now()->diffInSeconds(
+            $this->created_at->addSeconds(config('settings.order_payment_expires_at')), false
         );
+
+        return $seconds > 0 ? $seconds : 0;
     }
 
     /**
@@ -228,30 +250,37 @@ class Order extends Model
      */
     public function getOrderStatusAttribute(): int
     {
-        $status = OrderStatus::UNKNOWN;
-
-        if ($this->status === static::STATUS_PENDING) {
-            $status = OrderStatus::PENDING;
-        } elseif ($this->status === static::STATUS_PAID) {
-            switch ($this->shipping_state) {
-                case static::SHIPPING_STATE_PENDING:
-                    $status = OrderStatus::PAID;
-                    break;
-
-                case static::SHIPPING_STATE_PROCESSING:
-                    $status = OrderStatus::SHIPPING;
-                    break;
-
-                case static::SHIPPING_STATE_PROCESSED:
-                    $status = OrderStatus::SHIPPED;
-                    break;
-            }
-        } elseif ($this->status === static::STATUS_COMPLETED) {
-            $status = OrderStatus::COMPLETED;
-        } elseif ($this->status === static::STATUS_CANCELLED) {
-            $status = OrderStatus::CANCELLED;
+        // 待付款
+        if ($this->isPending()) {
+            return OrderStatus::PENDING;
         }
 
-        return $status;
+        // 已付款（待发货）
+        if ($this->isPaid()) {
+            return OrderStatus::PAID;
+        }
+
+        // 发货中
+        if ($this->isShipping()) {
+            return OrderStatus::SHIPPING;
+        }
+
+        // 已发货
+        if ($this->isShipped()) {
+            return OrderStatus::SHIPPED;
+        }
+
+        // 已完成
+        if ($this->isCompleted()) {
+            return OrderStatus::COMPLETED;
+        }
+
+        // 已取消
+        if ($this->isCancelled()) {
+            return OrderStatus::CANCELLED;
+        }
+
+        // 其它
+        return OrderStatus::UNKNOWN;
     }
 }
diff --git a/config/settings.php b/config/settings.php
new file mode 100644
index 00000000..cbde7e09
--- /dev/null
+++ b/config/settings.php
@@ -0,0 +1,9 @@
+<?php
+
+return [
+    // 订单支付过期时间（秒）
+    'order_payment_expires_at' => 1800,
+
+    // 售后过期时间（天）
+    'sale_after_expire_days' => 7,
+];