diff --git a/sqlor/aiomysqlor.py b/sqlor/aiomysqlor.py
deleted file mode 100755
index 26c6fb7..0000000
--- a/sqlor/aiomysqlor.py
+++ /dev/null
@@ -1,7 +0,0 @@
-from .mysqlor import MySqlor
-
-class AioMysqlor(MySqlor):
-	@classmethod
-	def isMe(self,name):
-		return name=='aiomysql'
-
diff --git a/sqlor/postgresqlor.py b/sqlor/postgresqlor.py
index 7be520a..7d0205d 100755
--- a/sqlor/postgresqlor.py
+++ b/sqlor/postgresqlor.py
@@ -180,9 +180,10 @@ order by
 			port:
 		"""
 		kwargs = self.dbdesc
-		self.conn = await self.connect(**kwargs)
+		dns = ' '.join([f'{k}={v}' for k, v in kwargs.items()])
+		self.conn = await self.connect(dns)
 		self.cur = await self.conn.cursor()
-		self.dbname = kwargs['dbname']
+		self.dbname = kwargs.dbname.lower()
 	
 	async def close():
 		await self.cur.close()
diff --git a/sqlor/sor.py b/sqlor/sor.py
index 9ef1a7e..a439b97 100755
--- a/sqlor/sor.py
+++ b/sqlor/sor.py
@@ -477,7 +477,6 @@ class SQLor(object):
 		async for r in self._get_data(sqlstring,{}):
 			r.name = r.name.lower()
 			ret.append(r)
-		debug(f'{sqlstring=}, {ret=}')
 		return ret
 	
 	def indexesSQL(self,tablename):
@@ -541,7 +540,6 @@ class SQLor(object):
 			return desc
 		desc = {}
 		tables = await self.tables()
-		debug(f'{tables=}')
 		summary = [i for i in tables if tablename == i.name]
 		if not summary:
 			e = Exception(f'table({tablename}) not exist')