细节优化：transaction_id 改为 trade_id

app/api/model/Order.php

@@ -41,7 +41,7 @@ class Order extends OrderModel
      */
     protected $hidden = [
         'merchant_remark',
-        'transaction_id',
+        'trade_id',
         'order_source_data',
         'is_settled',
         'is_delete',

app/api/model/recharge/Order.php

@@ -35,7 +35,7 @@ class Order extends OrderModel
      * @var array
      */
     protected $hidden = [
-        'transaction_id',
+        'trade_id',
         'store_id',
         'create_time',
         'update_time',