diff --git a/app/Endpoint/Api/Http/Resources/OrderSimpleResource.php b/app/Endpoint/Api/Http/Resources/OrderSimpleResource.php
index 05483733..a1b8f02b 100644
--- a/app/Endpoint/Api/Http/Resources/OrderSimpleResource.php
+++ b/app/Endpoint/Api/Http/Resources/OrderSimpleResource.php
@@ -21,6 +21,7 @@ class OrderSimpleResource extends JsonResource
             'status' => $this->status,
             'created_date' => $this->created_at->toDateString(),
             'products' => OrderProductResource::collection($this->whenLoaded('products')),
+            'expires_at' => $this->expires_at,
         ];
     }
 }
diff --git a/app/Models/Order.php b/app/Models/Order.php
index 89a083fe..e48d79ea 100644
--- a/app/Models/Order.php
+++ b/app/Models/Order.php
@@ -65,4 +65,16 @@ class Order extends Model
     {
         return Numeric::trimTrailingZero(bcdiv($this->attributes['total_amount'], 100, 2));
     }
+
+    /**
+     * 待支付订单过期时间
+     *
+     * @return int
+     */
+    public function getExpiresAtAttribute()
+    {
+        // todo 待支付订单过期时间
+
+        return 3600;
+    }
 }