更新

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

@@ -425,6 +425,18 @@ class PrescriptionOrderController extends BaseAdminController
         return $this->success('关联支付单成功', $result);
     }
 
+    /** 解除单笔收款关联，总金额不变，同步更新已付金额和需代收。 */
+    public function unlinkPayOrder()
+    {
+        $params = (new PrescriptionOrderValidate())->post()->goCheck('unlinkPayOrder');
+        $result = PrescriptionOrderLogic::unlinkPayOrder($params, $this->adminId, $this->adminInfo);
+        if ($result === false) {
+            return $this->fail(PrescriptionOrderLogic::getError());
+        }
+
+        return $this->success('收款关联已移除，金额已同步更新', $result);
+    }
+
     /**
      * 已发货/已签收：仅提交完单申请（不新增/关联支付单），并重置支付审核为待审核
      */