fix

src/main/resources/au/com/royalpay/payment/manage/analysis/mappers/CustomerAndOrdersStatisticsMapper.xml

@@ -39,7 +39,7 @@
     <select id="getSumOrdersAndCustomersDaily" resultType="com.alibaba.fastjson.JSONObject">
         SELECT sum(s.customers) customers,sum(s.orders) orders,sum(s.new_customers) new_customers,
         sum(s.old_customers) old_customers,sum(s.total) total, sum(s.total)/sum(s.customers) single_amount,
-        ifnull(sum(s.refund_amount),0) refund_amount,ifnull(sum(s.refund_orders),0) refund_orders,
+        sum(s.refund_amount) refund_amount,sum(s.refund_orders) refund_orders,
         date_format(s.date,'%d/%m/%Y') trade_date
         FROM statistics_customer_order s
         <where>