fix(report):修复更新指定的核算任务与初始化一个新的核算任务

service/calculate/checking.go

@@ -3,6 +3,7 @@ package calculate
 import (
 	"electricity_bill_calc/model"
 	"fmt"
+	"github.com/shopspring/decimal"
 	"sync/atomic"
 )
 
@@ -17,7 +18,7 @@ func CheckMeterArea(report *model.ReportIndex, meters []*model.MeterDetail) (boo
 
 		for _, m := range meters {
 			if (m.MeterType == model.METER_INSTALLATION_TENEMENT || m.MeterType == model.METER_INSTALLATION_POOLING) &&
-				m.Area == nil {
+				m.Area.Decimal == decimal.Zero {
 				atomic.AddInt32(&meterWithoutArea, 1)
 			}
 		}