更新

server/app/adminapi/lists/tcm/PrescriptionOrderLists.php

@@ -560,6 +560,8 @@ class PrescriptionOrderLists extends BaseAdminDataLists implements ListsSearchIn
 
         $poIds = array_values(array_filter(array_map('intval', array_column($lists, 'id'))));
         $paidSumByPo = [];
+        // 关联支付单数量：批量统计，避免后续逐行 count() 造成 N+1 查询（导出/大列表明显变慢）
+        $linkCountByPo = [];
         if ($poIds !== []) {
             $links = PrescriptionOrderPayOrder::whereIn('prescription_order_id', $poIds)
                 ->field(['prescription_order_id', 'pay_order_id'])
@@ -569,6 +571,9 @@ class PrescriptionOrderLists extends BaseAdminDataLists implements ListsSearchIn
             foreach ($links as $l) {
                 $poid = (int) ($l['prescription_order_id'] ?? 0);
                 $oid = (int) ($l['pay_order_id'] ?? 0);
+                if ($poid > 0) {
+                    $linkCountByPo[$poid] = ($linkCountByPo[$poid] ?? 0) + 1;
+                }
                 if ($poid > 0 && $oid > 0) {
                     $byPo[$poid][] = $oid;
                 }
@@ -664,10 +669,7 @@ class PrescriptionOrderLists extends BaseAdminDataLists implements ListsSearchIn
             PrescriptionOrderLogic::maskInternalCostIfNeeded($item, $this->adminInfo);
             PrescriptionOrderLogic::maskRemarkExtraIfNeeded($item, $this->adminInfo);
             $pid = (int) ($item['id'] ?? 0);
-            $item['linked_pay_order_count'] = (int) PrescriptionOrderPayOrder::where(
-                'prescription_order_id',
-                $pid
-            )->count();
+            $item['linked_pay_order_count'] = (int) ($linkCountByPo[$pid] ?? 0);
             $item['linked_pay_paid_total'] = $paidSumByPo[$pid] ?? 0.0;
             $item['deposit_min_amount'] = $depMin;
             $item['can_upload_gancao_reciperl'] = PrescriptionOrderLogic::canUploadGancaoRecipel(