与缴费单功能调整

application/em/model/EmPayment.php

@@ -47,10 +47,10 @@ class EmPayment extends Base
         //先找到账单
         $data = self::alias('pay')
             ->field('pay.*')
-            ->field('epi.invoice_id')
             ->field('em.em_numb')
             ->field('r.region_name')
             ->join(['em_account'=>'ea'],'ea.account_id=pay.account_id')
+            ->leftJoin(['em_payment_invoice'=>'epi'],'epi.payment_id = pay.payment_id')
             ->join(['em'],'em.id=ea.em_id')
             ->join(['station_info'=>'station'],'station.station_id=em.station_id')
             ->join(['region'=>'r'],'station.area_id = r.id')