新增

server/app/adminapi/controller/tcm/DiagnosisController.php

@@ -301,6 +301,9 @@ class DiagnosisController extends BaseAdminController
      */
     public function getImChatMessages()
     {
+        // 增加执行时间限制到 120 秒
+        set_time_limit(120);
+        
         $diagnosisId = (int)$this->request->get('diagnosis_id', 0);
         if ($diagnosisId <= 0) {
             return $this->fail('诊单ID不能为空');

server/app/adminapi/controller/tcm/PrescriptionOrderController.php

@@ -21,7 +21,7 @@ class PrescriptionOrderController extends BaseAdminController
     }
 
     /**
-     * 指定诊单下已支付支付单（创建/编辑业务订单时多选关联）
+     * 指定诊单下可关联的支付单（待支付/已支付，创建/编辑业务订单时多选关联）
      */
     public function paidPayOrders()
     {
@@ -236,6 +236,20 @@ class PrescriptionOrderController extends BaseAdminController
         return $this->success('新增支付单成功', $result);
     }
 
+    /**
+     * 为「已发货」订单关联已有支付单，并重置支付单审核状态为待审核
+     */
+    public function linkPayOrder()
+    {
+        $params = (new PrescriptionOrderValidate())->post()->goCheck('linkPayOrder');
+        $result = PrescriptionOrderLogic::linkPayOrder($params, $this->adminId, $this->adminInfo);
+        if ($result === false) {
+            return $this->fail(PrescriptionOrderLogic::getError());
+        }
+
+        return $this->success('关联支付单成功', $result);
+    }
+
     /**
      * 将「已发货」且支付审核已通过的订单标记为「已完成」
      */