diff --git a/app/db_cross_delay.py b/app/db_cross_delay.py
index 127864f..db7e238 100644
--- a/app/db_cross_delay.py
+++ b/app/db_cross_delay.py
@@ -47,7 +47,7 @@ class CrossDbHelper(TableDbHelperBase):
         crossids = ','.join(["'" + str(item) + "'" for item in crossid_list])
         sql = """
             select * from cross_doctor_matedata.cross_phase_problems_record where crossid in (%s) and first_date <= '%s' and (end_date >= '%s' or end_date is null)
-        """ % (crossids, min_date, first_date)
+        """ % (crossids, first_date, min_date)
         return self.do_select(sql)
 
     def query_cross_examine_records_nostarthm(self, first_date, crossid, end_date):