diff --git a/backend/app/Model/Refund.php b/backend/app/Model/Refund.php
index 36cff73..e96e7de 100644
--- a/backend/app/Model/Refund.php
+++ b/backend/app/Model/Refund.php
@@ -15,34 +15,23 @@ use Hyperf\DbConnection\Model\Model;
  * @property string $platform_order_id 平台订单 ID
  * @property string $platform_refund_id 平台退款单 ID
  * @property int $refund_status_id 退款状态 ID
- * @property int $refund_status_id 退款状态 ID
- * @property int $refund_status_id 退款状态 ID
- * @property int $refund_type_id 退款类型：1 仅退款 2 退货退款 3 补偿退款
- * @property int $refund_type_id 退款类型：1 仅退款 2 退货退款 3 补偿退款
  * @property int $refund_type_id 退款类型：1 仅退款 2 退货退款 3 补偿退款
  * @property string $reason 退款原因
  * @property string $refund_amount 退款金额
  * @property string $freight_refund 退运费金额
  * @property string $refund_total 退款合计金额，为退款金额+退运费金额，为主要参与聚合计算的字段
- * @property string $refund_total 退款合计金额，为退款金额+退运费金额，为主要参与聚合计算的字段
- * @property string $refund_total 退款合计金额，为退款金额+退运费金额，为主要参与聚合计算的字段
- * @property string $currency 币种
- * @property string $currency 币种
- * @property string $currency 币种
  * @property string $currency 币种
  * @property string $buyer_user_id 平台买家 ID
  * @property string $order_created_date 关联订单的创建时间
  * @property string $order_paid_date 关联订单的付款时间
  * @property string $created_date 退款单在平台的创建时间
- * @property string $created_date 退款单在平台的创建时间
  * @property string $updated_date 退款单在平台的更新时间
  * @property string $completed_date 退款完成时间
- * @property string $completed_date 退款完成时间
- * @property string $raw 平台返回的原始数据
- * @property string $ext 扩展字段
+ * @property array $raw 平台返回的原始数据
+ * @property array $ext 扩展字段
  * @property string $hash raw 字段的 MD5 哈希值，用于检测数据变化
- * @property \Carbon\Carbon $created_at 
- * @property \Carbon\Carbon $updated_at 
+ * @property \Carbon\Carbon $created_at
+ * @property \Carbon\Carbon $updated_at
  * @mixin \App_Model_Refund
  */
 class Refund extends Model
@@ -55,10 +44,10 @@ class Refund extends Model
     /**
      * The attributes that are mass assignable.
      */
-    protected array $fillable = ['id', 'company_id', 'platform_id', 'store_id', 'order_id', 'platform_order_id', 'platform_refund_id', 'refund_status_id', 'refund_status_id', 'refund_status_id', 'refund_type_id', 'refund_type_id', 'refund_type_id', 'reason', 'refund_amount', 'freight_refund', 'refund_total', 'refund_total', 'refund_total', 'currency', 'currency', 'currency', 'currency', 'buyer_user_id', 'order_created_date', 'order_paid_date', 'created_date', 'created_date', 'updated_date', 'completed_date', 'completed_date', 'raw', 'ext', 'hash', 'created_at', 'updated_at'];
+    protected array $fillable = ['id', 'company_id', 'platform_id', 'store_id', 'order_id', 'platform_order_id', 'platform_refund_id', 'refund_status_id', 'refund_type_id', 'reason', 'refund_amount', 'freight_refund', 'refund_total', 'currency', 'buyer_user_id', 'order_created_date', 'order_paid_date', 'created_date', 'updated_date', 'completed_date', 'raw', 'ext', 'hash', 'created_at', 'updated_at'];
 
     /**
      * The attributes that should be cast to native types.
      */
-    protected array $casts = ['id' => 'integer', 'company_id' => 'integer', 'platform_id' => 'integer', 'store_id' => 'integer', 'order_id' => 'integer', 'refund_status_id' => 'integer', 'refund_status_id' => 'integer', 'refund_status_id' => 'integer', 'refund_type_id' => 'integer', 'refund_type_id' => 'integer', 'refund_type_id' => 'integer', 'created_at' => 'datetime', 'updated_at' => 'datetime'];
+    protected array $casts = ['id' => 'integer', 'company_id' => 'integer', 'platform_id' => 'integer', 'store_id' => 'integer', 'order_id' => 'integer', 'refund_status_id' => 'integer', 'refund_type_id' => 'integer', 'raw' => 'json', 'ext' => 'json', 'created_at' => 'datetime', 'updated_at' => 'datetime'];
 }
diff --git a/backend/app/Model/RefundItem.php b/backend/app/Model/RefundItem.php
index a36991e..5d362d4 100644
--- a/backend/app/Model/RefundItem.php
+++ b/backend/app/Model/RefundItem.php
@@ -13,39 +13,26 @@ use Hyperf\DbConnection\Model\Model;
  * @property int $store_id 店铺 ID
  * @property int $refund_id 关联本地 refunds 表 ID，业务层保证约束
  * @property string $platform_parent_refund_id 平台父退款 ID, Tmall 售后单体系中的无此信息，使用默认值
- * @property string $platform_parent_refund_id 平台父退款 ID, Tmall 售后单体系中的无此信息，使用默认值
- * @property string $platform_refund_id 平台退款子项 ID，如 Tmall 售后单 ID
  * @property string $platform_refund_id 平台退款子项 ID，如 Tmall 售后单 ID
  * @property int $refund_status_id 退款状态 ID
- * @property int $refund_status_id 退款状态 ID
- * @property int $refund_status_id 退款状态 ID
- * @property int $refund_type_id 退款类型：1 仅退款 2 退货退款 3 补偿退款
- * @property int $refund_type_id 退款类型：1 仅退款 2 退货退款 3 补偿退款
  * @property int $refund_type_id 退款类型：1 仅退款 2 退货退款 3 补偿退款
  * @property string $reason 退款原因
  * @property string $currency 币种
- * @property string $currency 币种
- * @property string $currency 币种
- * @property string $currency 币种
  * @property string $buyer_user_id 平台买家 ID
  * @property string $platform_order_id 平台订单 ID
  * @property string $platform_sub_order_id 平台子订单 ID
  * @property string $platform_product_id 平台商品 ID
  * @property int $quantity 退款商品数量
  * @property string $refund_amount 该子项退款金额
- * @property string $refund_amount 该子项退款金额
- * @property string $refund_amount 该子项退款金额
  * @property string $order_created_date 关联订单的创建时间
  * @property string $order_paid_date 关联订单的付款时间
  * @property string $created_date 退款单在平台的创建时间
- * @property string $created_date 退款单在平台的创建时间
  * @property string $updated_date 退款单在平台的更新时间
  * @property string $completed_date 退款完成时间
- * @property string $completed_date 退款完成时间
- * @property string $raw 平台返回的原始子项数据
- * @property string $ext 扩展字段
- * @property \Carbon\Carbon $created_at 
- * @property \Carbon\Carbon $updated_at 
+ * @property array $raw 平台返回的原始子项数据
+ * @property array $ext 扩展字段
+ * @property \Carbon\Carbon $created_at
+ * @property \Carbon\Carbon $updated_at
  * @mixin \App_Model_RefundItem
  */
 class RefundItem extends Model
@@ -58,10 +45,10 @@ class RefundItem extends Model
     /**
      * The attributes that are mass assignable.
      */
-    protected array $fillable = ['id', 'company_id', 'platform_id', 'store_id', 'refund_id', 'platform_parent_refund_id', 'platform_parent_refund_id', 'platform_refund_id', 'platform_refund_id', 'refund_status_id', 'refund_status_id', 'refund_status_id', 'refund_type_id', 'refund_type_id', 'refund_type_id', 'reason', 'currency', 'currency', 'currency', 'currency', 'buyer_user_id', 'platform_order_id', 'platform_sub_order_id', 'platform_product_id', 'quantity', 'refund_amount', 'refund_amount', 'refund_amount', 'order_created_date', 'order_paid_date', 'created_date', 'created_date', 'updated_date', 'completed_date', 'completed_date', 'raw', 'ext', 'created_at', 'updated_at'];
+    protected array $fillable = ['id', 'company_id', 'platform_id', 'store_id', 'refund_id', 'platform_parent_refund_id', 'platform_refund_id', 'refund_status_id', 'refund_type_id', 'reason', 'currency', 'buyer_user_id', 'platform_order_id', 'platform_sub_order_id', 'platform_product_id', 'quantity', 'refund_amount', 'order_created_date', 'order_paid_date', 'created_date', 'updated_date', 'completed_date', 'raw', 'ext', 'created_at', 'updated_at'];
 
     /**
      * The attributes that should be cast to native types.
      */
-    protected array $casts = ['id' => 'integer', 'company_id' => 'integer', 'platform_id' => 'integer', 'store_id' => 'integer', 'refund_id' => 'integer', 'refund_status_id' => 'integer', 'refund_status_id' => 'integer', 'refund_status_id' => 'integer', 'refund_type_id' => 'integer', 'refund_type_id' => 'integer', 'refund_type_id' => 'integer', 'quantity' => 'integer', 'created_at' => 'datetime', 'updated_at' => 'datetime'];
+    protected array $casts = ['id' => 'integer', 'company_id' => 'integer', 'platform_id' => 'integer', 'store_id' => 'integer', 'refund_id' => 'integer', 'refund_status_id' => 'integer', 'refund_type_id' => 'integer', 'quantity' => 'integer', 'raw' => 'json', 'ext' => 'json', 'created_at' => 'datetime', 'updated_at' => 'datetime'];
 }