查询结果类型转换失败

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

@@ -2520,7 +2520,7 @@
             ifnull( t4.NAME, '中国' ) nationality_name,
             t1.room_model_id,
             t1.type,
-            ifnull(t1.floor,'-') floor,
+            ifnull(t1.floor,'0') floor,
             count( t1.id ) num,
             sum( t2.actual_price ) actual_price
         FROM