diff --git a/app/admin/service/InvRequisitionService.php b/app/admin/service/InvRequisitionService.php
index a5c4f1d..23e9254 100644
--- a/app/admin/service/InvRequisitionService.php
+++ b/app/admin/service/InvRequisitionService.php
@@ -95,6 +95,6 @@ class InvRequisitionService
         //requisition_id:申请id
         //action:审批动作：1通过 2驳回
         //comment:审批意见
-            return $appro->approve($param['requisition_id'], $param['approve_id'], $request->user->uid, $param['action'], $param['comment']);
+            return $appro->approve($param['requisition_id'], $param['approve_id'], $request->user->uid, $param['action'], $param['comment'], $param['attachment']);
     }
 }
\ No newline at end of file
diff --git a/app/common/controller/InvRequisitionItemReturnController.php b/app/common/controller/InvRequisitionItemReturnController.php
index 4be066d..6635fa6 100644
--- a/app/common/controller/InvRequisitionItemReturnController.php
+++ b/app/common/controller/InvRequisitionItemReturnController.php
@@ -99,12 +99,19 @@ class InvRequisitionItemReturnController extends BaseController
         if (isset($data['return_at']))
             $data['return_at'] = date('Y-m-d H:i:s', $data['return_at']);
         if (isset($data['id'])){
+            //归还附件
             $data['return_attachment'] = InvRequisitionItemReturnAttachment::where('return_id', $data['id'])->get();
             $ossservice = new OssService();
             foreach ($data['return_attachment'] as $item){
                 $item['file_path_pull'] = $ossservice->generatePrivateUrl($item['file_path']);
 
             }
+
+            //归还审核附件
+            $data['return_approve_attachment'] = InvRequisitionItemReturnAttachment::where('return_id', $data['id'])->get();
+            foreach ($data['return_approve_attachment'] as $item){
+                $item['file_path_pull'] = $ossservice->generatePrivateUrl($item['file_path']);
+            }
         }
         /*if (isset($data['created_at']))
             $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
diff --git a/app/common/model/InvRequisitionApproveAttachment.php b/app/common/model/InvRequisitionApproveAttachment.php
new file mode 100644
index 0000000..7b55e91
--- /dev/null
+++ b/app/common/model/InvRequisitionApproveAttachment.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace app\common\model;
+
+use support\Model;
+
+class InvRequisitionApproveAttachment extends Model
+{
+    /**
+     * The connection name for the model.
+     *
+     * @var string|null
+     */
+    protected $connection = 'mysql';
+    
+    /**
+     * The table associated with the model.
+     *
+     * @var string
+     */
+    protected $table = 'inv_requisition_approve_attachment';
+
+    /**
+     * The primary key associated with the table.
+     *
+     * @var string
+     */
+    protected $primaryKey = 'id';
+
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = true;
+    
+    
+    protected $dateFormat = 'U';
+
+    /**
+     * 允许自动填充模型字段
+     */
+    protected $fillable = ['id', 'requisition_id', 'approve_id', 'file_name', 'file_path', 'file_size', 'created_at', 'updated_at'];
+
+    /**
+     * 不允许自动填充模型字段
+     */
+    protected $guarded = [];
+}
\ No newline at end of file
diff --git a/app/common/model/InvRequisitionReturnApproveAttachment.php b/app/common/model/InvRequisitionReturnApproveAttachment.php
new file mode 100644
index 0000000..6cb8c33
--- /dev/null
+++ b/app/common/model/InvRequisitionReturnApproveAttachment.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace app\common\model;
+
+use support\Model;
+
+class InvRequisitionReturnApproveAttachment extends Model
+{
+    /**
+     * The connection name for the model.
+     *
+     * @var string|null
+     */
+    protected $connection = 'mysql';
+    
+    /**
+     * The table associated with the model.
+     *
+     * @var string
+     */
+    protected $table = 'inv_requisition_return_approve_attachment';
+
+    /**
+     * The primary key associated with the table.
+     *
+     * @var string
+     */
+    protected $primaryKey = 'id';
+
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = true;
+    
+    
+    protected $dateFormat = 'U';
+
+    /**
+     * 允许自动填充模型字段
+     */
+    protected $fillable = [];
+
+    /**
+     * 不允许自动填充模型字段
+     */
+    protected $guarded = [];
+}
\ No newline at end of file
diff --git a/app/common/service/InvRequisitionApproveService.php b/app/common/service/InvRequisitionApproveService.php
index 6c43906..7c22eec 100644
--- a/app/common/service/InvRequisitionApproveService.php
+++ b/app/common/service/InvRequisitionApproveService.php
@@ -93,13 +93,13 @@ class InvRequisitionApproveService
     }
 
     /** 执行审批 */
-    public function approve(int $requisitionId, int $approverId, int $uid, string $action, string $comment = '')
+    public function approve(int $requisitionId, int $approverId, int $uid, string $action, string $comment = '', array $attachment = [])
     {
         if (!in_array($action, ['1','2'], true)) { //审批动作：1通过 2驳回
             throw new BusinessException("无效的审批操作");
         }
 
-        return Db::transaction(function () use ($requisitionId, $approverId, $uid, $action, $comment) {
+        return Db::transaction(function () use ($requisitionId, $approverId, $uid, $action, $comment, $attachment) {
 //            $instance = Db::table('approval_instances')->where('id', $instanceId)->lockForUpdate()->first();
             $requisition = Db::table('inv_requisition')->where('id', $requisitionId)->lockForUpdate()->first();
             if (!$requisition) throw new BusinessException("审批实例未找到");
@@ -151,6 +151,16 @@ class InvRequisitionApproveService
                 'action_at' => $now,
                 'updated_at'  => $now,
             ]);
+            foreach ($attachment as $attac) {
+                Db::table('inv_requisition_approve_attachment')->insertGetId([
+                    'requisition_id'      => $requisitionId,
+                    'approve_id'     => $approverId,
+                    'file_name' => $attac['original_name'],
+                    'file_path'  => $attac['file_path'],
+                    'created_at'  => $now,
+                ]);
+            }
+
 
             // 2) 已通过步骤与总步数相等则结束审核流程
             $pass = Db::table('inv_requisition_approve')
diff --git a/app/common/service/InvRequisitionItemReturnService.php b/app/common/service/InvRequisitionItemReturnService.php
index a2aee68..5c15c74 100644
--- a/app/common/service/InvRequisitionItemReturnService.php
+++ b/app/common/service/InvRequisitionItemReturnService.php
@@ -386,8 +386,10 @@ class InvRequisitionItemReturnService
     public function serviceReturnConfirm(Request $request, array $data, string $scene = 'returnConfirm')
     {
         try {
+            $attachment = $request->post('attachment');
+            unset($data['attachment']);
             // 归还确认是业务顶层方法，这里统一使用事务
-            return Db::transaction(function () use ($request, $data, $scene) {
+            return Db::transaction(function () use ($request, $data, $scene, $attachment) {
 
                 // 1. 当前操作人信息
                 $userInfo = (new UserService())->getUserInfo($request->user->uid, '');
@@ -430,7 +432,16 @@ class InvRequisitionItemReturnService
                 // 4. 更新归还记录（状态 + 审核人 + 备注等）
                 $updateResult = $this->logicUpdateBy($config, $data);
                 $resultItem = $this->logicShow($config);
-                InvRequisitionReturn::where('id',$resultItem['status'])->update(['status' => $data['status']]);
+                InvRequisitionReturn::where('id',$resultItem['return_id'])->update(['status' => $data['status']]);
+                foreach ($attachment as $attac) {
+                    Db::table('inv_requisition_return_approve_attachment')->insertGetId([
+                        'requisition_id'     => $resultItem['requisition_id'],
+                        'return_id'     => $resultItem['return_id'],
+                        'file_name' => $attac['original_name'],
+                        'file_path'  => $attac['file_path'],
+                        'created_at'  => time(),
+                    ]);
+                }
                 if ($updateResult === 0) {
                     throw new BusinessException('更新归还申请失败，可能记录不存在或已被处理');
                 }
diff --git a/app/mobile/controller/InvRequisitionController.php b/app/mobile/controller/InvRequisitionController.php
index d2351b6..4e372c0 100644
--- a/app/mobile/controller/InvRequisitionController.php
+++ b/app/mobile/controller/InvRequisitionController.php
@@ -5,6 +5,7 @@ use app\common\controller\BaseController;
 use app\common\model\Corp;
 use app\common\model\InvItem;
 use app\common\model\InvRequisitionApprove;
+use app\common\model\InvRequisitionApproveAttachment;
 use app\common\model\InvRequisitionAttachment;
 use app\common\model\InvRequisitionItem;
 use app\common\service\OssService;
@@ -117,8 +118,17 @@ class InvRequisitionController extends BaseController
      */
      protected function showFormat($data)
      {
+         $oss = new OssService();
          if (isset($data['id'])){
              $data['approve'] = InvRequisitionApprove::where('requisition_id', $data['id'])->get()->toArray();
+             foreach ($data['approve'] as $key => $item){
+                 $attachment = InvRequisitionApproveAttachment::where('approve_id', $item['id'])->get();
+                 foreach ($attachment as $k => $v){
+                     $attachment[$k] = $v->toArray();
+                     $attachment[$k]['file_path_pull'] = $oss->generatePrivateUrl($v['file_path']);
+                 }
+                 $data['approve'][$key]['attachment'] = $attachment;
+             }
              $approve_id = !empty($data['approve'])?array_pop($data['approve'])['id']:null;
              $data['approve_id'] = $approve_id;
          }
@@ -129,7 +139,6 @@ class InvRequisitionController extends BaseController
          if (isset($data['id'])){
              $data['item'] = InvRequisitionItem::where('requisition_id', $data['id'])->get();
              $data['attachment'] = InvRequisitionAttachment::where('requisition_id', $data['id'])->get();
-             $oss = new OssService();
              foreach ($data['attachment'] as $key => $value) {
                  $data['attachment'][$key]['file_path_pull'] = $oss->generatePrivateUrl($value['file_path']);
              }
diff --git a/app/mobile/controller/InvRequisitionItemReturnController.php b/app/mobile/controller/InvRequisitionItemReturnController.php
index 8426acd..1657d9f 100644
--- a/app/mobile/controller/InvRequisitionItemReturnController.php
+++ b/app/mobile/controller/InvRequisitionItemReturnController.php
@@ -106,6 +106,12 @@ class InvRequisitionItemReturnController extends BaseController
                  $item['file_path_pull'] = $ossservice->generatePrivateUrl($item['file_path']);
 
              }
+
+             //归还审核附件
+             $data['return_approve_attachment'] = InvRequisitionItemReturnAttachment::where('return_id', $data['id'])->get();
+             foreach ($data['return_approve_attachment'] as $item){
+                 $item['file_path_pull'] = $ossservice->generatePrivateUrl($item['file_path']);
+             }
          }
          /*if (isset($data['created_at']))
              $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
@@ -144,7 +150,6 @@ class InvRequisitionItemReturnController extends BaseController
         try {
             // 验证申请数据
             $data = $this->validate($this->service->getValidator(), $request->post(), 'returnConfirm');
-            
             // 处理申请逻辑
             $result = $this->service->serviceReturnConfirm($request, $data, 'returnConfirm');