diff --git a/sqlor/mysqlor.py b/sqlor/mysqlor.py
index a6a308d..3088771 100755
--- a/sqlor/mysqlor.py
+++ b/sqlor/mysqlor.py
@@ -1,5 +1,4 @@
 # -*- coding:utf8 -*-
-import pymysql
 from appPublic.argsConvert import ArgsConvert,ConditionConvert
 
 from .sor import SQLor
@@ -52,8 +51,6 @@ class MySqlor(SQLor):
 	def isMe(self,name):
 		if name=='pymysql':
 			return True
-		if name=='aiomysql':
-			return True
 		return False
 	
 	def grammar(self):
@@ -61,9 +58,6 @@ class MySqlor(SQLor):
 			'select':select_stmt,
 		}
 		
-	def _opendb(self):
-		self.conn = pymysql.connect(**self.dbdesc['kwargs'])
-		
 	def placeHolder(self,varname,pos=None):
 		if varname=='__mainsql__' :
 			return ''
diff --git a/sqlor/version.py b/sqlor/version.py
index fedf635..fc9509b 100644
--- a/sqlor/version.py
+++ b/sqlor/version.py
@@ -1,4 +1,2 @@
 # fixed sor.py C function bug.
-__version__ = "0.1.2"
-# use PyMySQL to replace mysql-connector
-# __version__ = '0.1.1'
+__version__ = "0.1.3"