导出确认单空指针报错

ship-module-trade/ship-module-trade-biz/src/main/resources/mapper/order/TradeOrderMapper.xml

@@ -2522,7 +2522,7 @@
             t1.type,
             ifnull(t1.floor,'0') floor,
             count( t1.id ) num,
-            t2.actual_price actual_price
+            ifnull(t2.actual_price,0) actual_price
         FROM
             trade_visitor t1
                 LEFT JOIN trade_detail t2 ON t1.id = t2.visitor_id