diff --git a/app/tmnet_db_func.py b/app/tmnet_db_func.py
index 21db494..f00dcaa 100644
--- a/app/tmnet_db_func.py
+++ b/app/tmnet_db_func.py
@@ -170,8 +170,8 @@ class TmnetDbHelper(TableDbHelperBase):
                    if (t2.location is not null, t2.location, t1.location) as location,
                    t1.nodeid,
                    t1.area_id
-                from (select name,crossid, location,nodeid, area_id from `cross` where nodeid = %s and area_id = %s and at_edge=0 and isdeleted=0 and crossid = %s) as t1
-                left join (select name,crossid, location,nodeid, area_id from `cross_ledger_update_info` where nodeid = %s and area_id = %s and at_edge=0 and isdeleted=0 and crossid = %s) as t2 on t1.crossid=t2.crossid
+                from (select name,crossid, location,nodeid, area_id from `cross` where nodeid = %s and area_id = %s and at_edge=0 and isdeleted=0 and crossid = '%s') as t1
+                left join (select name,crossid, location,nodeid, area_id from `cross_ledger_update_info` where nodeid = %s and area_id = %s and at_edge=0 and isdeleted=0 and crossid = '%s') as t2 on t1.crossid=t2.crossid
         """ % (nodeid, area_id, crossid, nodeid, area_id, crossid)
         return self.do_select(sql)