bug

src/main/resources/mapper/property/BillInvoiceMapper.xml

         i.id,
         i.bill_invoice_explain AS billInvoiceExplain,
         i.pay_price AS payPrice,
+        i.pay_date as payDate,
         i.ta_user_id AS taUserId,
         i.bill_status AS billStatus,
         b.bill_name AS billName,