diff --git a/business/model/dao/dao_order.go b/business/model/dao/dao_order.go
index dc5f27206..18c1eef62 100644
--- a/business/model/dao/dao_order.go
+++ b/business/model/dao/dao_order.go
@@ -1,7 +1,6 @@
 package dao
 
 import (
-	"math"
 	"time"
 
 	"git.rosy.net.cn/baseapi/utils"
@@ -451,14 +450,18 @@ func GetManageStatistics(db *DaoDB, cityCodes []int, jobTime time.Time, jobIDs [
 		   WHERE a.id = t5.id
 		)t6
 	`
-	err = GetRow(db, &getManageStatisticsResult, sql, sqlParams)
+	GetRow(db, &getManageStatisticsResult, sql, sqlParams)
 	if getManageStatisticsResult == nil {
 		return &GetManageStatisticsResult{
 			Date: jobTime,
 		}, err
 	} else {
 		getManageStatisticsResult.Date = jobTime
-		getManageStatisticsResult.InversionRate = math.Round(float64(getManageStatisticsResult.FinishCount) / float64(getManageStatisticsResult.BrowseCount))
+		if getManageStatisticsResult.BrowseCount == 0 {
+			getManageStatisticsResult.InversionRate = 0
+		} else {
+			getManageStatisticsResult.InversionRate = float64(getManageStatisticsResult.FinishCount) / float64(getManageStatisticsResult.BrowseCount)
+		}
 		return getManageStatisticsResult, err
 	}
 }