diff --git a/app/svc/public_platoon/svc_relation_ship_map.go b/app/svc/public_platoon/svc_relation_ship_map.go
index 2842a18..cef9747 100644
--- a/app/svc/public_platoon/svc_relation_ship_map.go
+++ b/app/svc/public_platoon/svc_relation_ship_map.go
@@ -171,6 +171,9 @@ func GetSonUserDailyActivity(engine *xorm.Engine, fatherUID int64, startDate, en
 	if err != nil {
 		return 0, nil, zhios_order_relate_logx.Error(err)
 	}
+	if len(userIDs) == 0 {
+		return 0, nil, nil
+	}
 
 	sql := "SELECT COUNT(*) AS total, uid FROM `egg_energy_user_activity` WHERE uid IN (%s) AND date >= '%s' AND date <= '%s' GROUP BY uid"
 	results, err := db.QueryNativeString(engine, fmt.Sprintf(sql, strings.Join(userIDs, ","), startDate, endDate))