diff --git a/business/model/dao/thing_map.go b/business/model/dao/thing_map.go
index 59ce42b1c..5a84f8e2e 100644
--- a/business/model/dao/thing_map.go
+++ b/business/model/dao/thing_map.go
@@ -38,7 +38,7 @@ func GetThingMapMap(db *DaoDB, thingType int, vendorIDs, thingIDs []int) (thingM
 func SetThingMapSyncStatus(db *DaoDB, vendorIDs []int, vendorOrgCodes []string, thingType int, thingIDs []int, syncStatus int8) (num int64, err error) {
 	sql := `
 	UPDATE thing_map t1
-	SET t1.sync_status |= ?
+	SET t1.sync_status = t1.sync_status | ?
 	WHERE t1.deleted_at = ? AND t1.thing_type = ?
 	`
 	sqlParams := []interface{}{