diff --git a/app/admin/controller/ApprovalRecordsController.php b/app/admin/controller/ApprovalRecordsController.php
index 2506845..c7a6b30 100644
--- a/app/admin/controller/ApprovalRecordsController.php
+++ b/app/admin/controller/ApprovalRecordsController.php
@@ -112,7 +112,7 @@ class ApprovalRecordsController extends BaseController
                     'instance_id' => $record['instance_id'],
 
                     'biz_id' => $record['instance']['biz_id'],
-                    'biz_desc' => '备货单号【'.$record['instance']['bizInfo']['order_no'].'】',
+                    'biz_desc' => '业务单号【'.$record['instance']['bizInfo']['order_no'].'】',
                     'biz_type' => $record['instance']['flow_type'],
 
                     'initiator_name' => $record['instance']['initiator']['name'],
diff --git a/app/common/controller/PurchaseOrdersController.php b/app/common/controller/PurchaseOrdersController.php
index 5c87198..3e550ac 100644
--- a/app/common/controller/PurchaseOrdersController.php
+++ b/app/common/controller/PurchaseOrdersController.php
@@ -36,7 +36,7 @@ class PurchaseOrdersController extends BaseController
                 }
                 $result = [
                     'id' => $record['id'],
-                    'po_no' => $record['po_no'],
+                    'order_no' => $record['order_no'],
                     'pi_no' => $record['pi_no'],
                     'buyer_id' => $record['buyer_id'],
                     'buyer_name' => $record['buyer_name'],
@@ -44,8 +44,8 @@ class PurchaseOrdersController extends BaseController
                     'contract_file_url' => $contractFileUrl,
                     'status' => $record['status'],
                     'remark' => $record['remark'],
-                    'created_at' => date('Y-m-d H:i:s', strtotime($record['created_at'])),
-                    'updated_at' => date('Y-m-d H:i:s', strtotime($record['updated_at'])),
+                    'created_at' => date('Y-m-d H:i:s', $record['created_at']),
+                    'updated_at' => date('Y-m-d H:i:s', $record['updated_at']),
                 ];
                 $record = $result;
             }
@@ -71,7 +71,7 @@ class PurchaseOrdersController extends BaseController
         }
         $result = [
             'id' => $data['id'],
-            'po_no' => $data['po_no'],
+            'order_no' => $data['order_no'],
             'pi_no' => $data['pi_no'],
             'buyer_id' => $data['buyer_id'],
             'buyer_name' => $data['buyer_name'],
@@ -117,4 +117,20 @@ class PurchaseOrdersController extends BaseController
             return $this->error($e->getMessage());
         }
     }
+
+    /**
+     * 重提
+     *
+     * @param Request $request
+     * @return mixed
+     */
+    public function resubmit(Request $request)
+    {
+        try {
+            $raw = $this->service->serviceResubmit($request, $request->all());
+            return $raw === true ? $this->success('提交成功') : $this->error('提交失败');
+        } catch (\Throwable $e) {
+            return $this->error($e->getMessage());
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/common/model/ApprovalInstances.php b/app/common/model/ApprovalInstances.php
index 51188b5..882fa8e 100644
--- a/app/common/model/ApprovalInstances.php
+++ b/app/common/model/ApprovalInstances.php
@@ -73,7 +73,8 @@ class ApprovalInstances extends Model
 
     // ====== ====== ====== 映射业务表 ====== ====== ====== 
     protected const BIZ_CLASS = [
-        'stock_orders'   => \app\common\model\StockOrders::class
+        'stock_orders'   => \app\common\model\StockOrders::class,
+        'purchase_orders' => \app\common\model\PurchaseOrders::class,
     ];
 
     public function getBizTypeAttribute($value)
diff --git a/app/common/model/PurchaseOrders.php b/app/common/model/PurchaseOrders.php
index eae4990..c03619e 100644
--- a/app/common/model/PurchaseOrders.php
+++ b/app/common/model/PurchaseOrders.php
@@ -44,7 +44,7 @@ class PurchaseOrders extends Model
     /**
      * 允许自动填充模型字段
      */
-    protected $fillable = ['id', 'po_no', 'pi_no', 'buyer_id', 'buyer_name', 'contract_file', 'status', 'remark', 'created_at', 'updated_at'];
+    protected $fillable = ['id', 'order_no', 'pi_no', 'buyer_id', 'buyer_name', 'contract_file', 'status', 'remark', 'created_at', 'updated_at'];
 
     /**
      * 不允许自动填充模型字段
diff --git a/app/common/service/ApprovalRecordsService.php b/app/common/service/ApprovalRecordsService.php
index b2af9a7..8fc6aff 100644
--- a/app/common/service/ApprovalRecordsService.php
+++ b/app/common/service/ApprovalRecordsService.php
@@ -57,7 +57,7 @@ class ApprovalRecordsService
 
                 if ($p['scene'] === 'todo') {
                     // if (!in_array(1, $request->user->role_ids)) {
-                        $config['where']['approver_id'] = $request->user->uid;
+                        // $config['where']['approver_id'] = $request->user->uid;
                     // }
                     $config['where']['status'] = 'pending';
                     $config['where']['instance.status'] = 'processing';
diff --git a/app/common/service/PurchaseOrdersService.php b/app/common/service/PurchaseOrdersService.php
index fe624e4..5ed8f6f 100644
--- a/app/common/service/PurchaseOrdersService.php
+++ b/app/common/service/PurchaseOrdersService.php
@@ -9,6 +9,7 @@ use app\common\logic\PurchaseOrdersLogic;
 use app\common\model\PurchaseOrderItems;
 use app\common\model\User;
 use support\Db;
+use support\exception\BusinessException;
 use support\Request;
 
 class PurchaseOrdersService
@@ -70,7 +71,7 @@ class PurchaseOrdersService
 
     public function beforeServiceStore(array $data, Request $request)
     {
-        $data['po_no'] = generateStockNo('CG');
+        $data['order_no'] = generateStockNo('CG');
         $data['buyer_id'] = $request->user->uid;
         $data['buyer_name'] = User::where('id', $request->user->uid)->value('name');
         return $data;
@@ -165,6 +166,7 @@ class PurchaseOrdersService
             case 'index':
                 $config['order']['id'] = 'desc';
                 break;
+            case 'show':
             case 'update':
                 $config['where']['id'] = $p['id'] ?? 0;
                 break;
@@ -190,7 +192,7 @@ class PurchaseOrdersService
         // 使用事务确保数据一致性
         return Db::transaction(function () use ($request) {
             // 构建查询条件
-            $config = $this->buildQueryConfig($request, 'update');
+            $config = $this->buildQueryConfig($request, 'show');
             
             // 软删除采购单明细
             $order = $this->logicShow($config);
@@ -201,9 +203,46 @@ class PurchaseOrdersService
             }
             
             // 软删除采购单主表
-            $order->delete();
+            $res = $order->delete();
             
-            return $this->postProcess('Destroy', $order);
+            return $this->postProcess('Destroy', $res);
         });
     }
+
+    /**
+     * 创建采购单成功后处理
+     */
+    protected function afterServiceStore($res)
+    {
+        if ($res->status == 1) {
+            $this->startApproval($res, ['resubmitted'=>0]);
+        }
+        return $res;
+    }
+
+    public function startApproval($item, $formData)
+    {
+        $appro = new \app\common\utils\approval\service\ApprovalFlowService();
+        $appro->start('purchase_orders', 'purchase_orders', $item->id, ['resubmitted'=>0], $item->buyer_id);
+    }
+
+
+    public function serviceResubmit(Request $request, array $data = [])
+    { 
+        $info = $this->logicShow($this->buildQueryConfig($request, 'show'));
+        if ($info->status == 3) {
+            $instance = \app\common\model\ApprovalInstances::where('biz_id', $info->id)->where('flow_type', 'purchase_orders')->first();
+            if ( $instance === null) {
+                new BusinessException('未找到审批实例');
+            }
+            // 审批服务
+            $appro = new \app\common\utils\approval\service\ApprovalFlowService();
+            // 重新提交
+            $appro->resubmit($instance->id, $instance->initiator_id, ['resubmitted'=>1], $data['remark']);
+            // 添加到讨论
+            $appro->postDiscussion($instance->id, $instance->initiator_id, $data['remark'], true, [], 'name');
+            return true;
+        }
+        return false;
+    }
 }
\ No newline at end of file
diff --git a/app/common/utils/approval/service/ApprovalFlowService.php b/app/common/utils/approval/service/ApprovalFlowService.php
index 200580d..e9832ac 100644
--- a/app/common/utils/approval/service/ApprovalFlowService.php
+++ b/app/common/utils/approval/service/ApprovalFlowService.php
@@ -594,8 +594,6 @@ class ApprovalFlowService
 
         // 业务标题/内容
         $approvalType = array_flip(\app\common\service\SysDictService::pluckKeyValueByCode('approval_type'));
-        // $title = $prefix.'审批通知';
-        // $content = "{$prefix}你有一条审批 {$text}：类型 {$instance->flow_type}，业务ID {$instance->biz_id}";
 
         switch ($instance->flow_type) {
             case 'stock_orders':
@@ -610,6 +608,15 @@ class ApprovalFlowService
             case 'stock_orders_nullify':
                 // 备货单作废
                 break;
+            case 'purchase_orders':
+                // 采购单
+                $purchaseOrder = \app\common\model\PurchaseOrders::find($instance->biz_id);
+                if ($purchaseOrder) {
+                    $title   = $prefix."采购单：{$purchaseOrder->order_no}";
+                    $flowTxt = $approvalType[$instance->flow_type] ?? $instance->flow_type;
+                    $content = "{$prefix}你有一条审批 {$text}：类型 {$flowTxt}，业务单号 {$purchaseOrder->order_no}";
+                }
+                break;
             case 'purchase_order':
                 // 采购单
                 break;
diff --git a/config/route.php b/config/route.php
index e11f354..6f42d42 100644
--- a/config/route.php
+++ b/config/route.php
@@ -360,6 +360,7 @@ Route::group('/admin', function () {
         Route::any('/store', [app\common\controller\PurchaseOrdersController::class, 'store']);
         Route::any('/update', [app\common\controller\PurchaseOrdersController::class, 'update']);
         Route::any('/destroy', [app\common\controller\PurchaseOrdersController::class, 'destroy']);
+        Route::any('/resubmit', [app\common\controller\PurchaseOrdersController::class, 'resubmit']);
     });
 });