修改用电量小数计算错误

application/em/model/Useage.php

@@ -41,7 +41,7 @@ class Useage extends Base
 
         $data = self::alias('ue')
             ->field('ue.*')
-            ->field('(binary(ue.current_sum_numb)- binary(ue.last_sum_numb*1000)) as repo_numb')
+            ->field('(decimal(ue.current_sum_numb)- decimal(ue.last_sum_numb*1000)) as repo_numb')
             ->field('station.station_name')
             ->field('em.em_numb')
             ->join(['em'],'em.id=ue.em_id')