修复旧数据中已经确收但是没有与OA对应，付款单号报错的问题

application/em/controller/Payment.php

@@ -261,6 +261,11 @@ class Payment extends Base
 
         if($payment->status > 1 && $payment->status != 7){
             $fkModel = EmPaymentFk::get(['payment_id'=>$payment->payment_id]);
+            if(!$fkModel) {
+                $fkModel = new EmPaymentFk();
+                $fkModel->oafk_numb = '';
+                $fkModel->link = '';
+            }
             $fkModel->link = config('oafk.base_url').config('oafk.link') . $fkModel->oafk_id;
         } else if ($payment->status == 7) {
             $fkModel = EmCheckBill::get(['mode_id'=>$payment->payment_id]);