diff --git a/cve-py/dbConnecttion/Config.py b/cve-py/dbConnecttion/Config.py
index 94943992b865d1c3ea4aeb41692da6fac752c801..dca181d5478da2c3243fda160c4bd5f1c9fa427a 100644
--- a/cve-py/dbConnecttion/Config.py
+++ b/cve-py/dbConnecttion/Config.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: UTF-8 -*-
 
 ################################################################################
diff --git a/cve-py/dbConnecttion/MysqlConn.py b/cve-py/dbConnecttion/MysqlConn.py
index b346c49519a1b64408c261d4084a26e15aa7fe2b..b1c4032ef7f95ed313e738050b5fc5b79595eee3 100644
--- a/cve-py/dbConnecttion/MysqlConn.py
+++ b/cve-py/dbConnecttion/MysqlConn.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: UTF-8 -*-
 
 ################################################################################
@@ -21,7 +21,7 @@ Date:    10/22/2020 11:01 AM
 import pymysql
 from pymysql import cursors
 from DBUtils import PooledDB
-from dbConnecttion import config
+from dbConnecttion import Config
 
 
 class Mysql(object):
@@ -45,11 +45,11 @@ class Mysql(object):
         """
         if Mysql.__pool is None:
             __pool = PooledDB.PooledDB(creator=pymysql, mincached=1,
-                                       maxcached=20, host=config.DBHOST,
-                                       port=config.DBPORT,
-                                       user=config.DBUSER,
-                                       passwd=config.DBPWD, db=config.DBNAME,
-                                       use_unicode="UTF-8", charset=config.DBCHAR,
+                                       maxcached=20, host=Config.DBHOST,
+                                       port=Config.DBPORT,
+                                       user=Config.DBUSER,
+                                       passwd=Config.DBPWD, db=Config.DBNAME,
+                                       use_unicode="UTF-8", charset=Config.DBCHAR,
                                        cursorclass=cursors.DictCursor)
             return __pool.connection()
         return None
diff --git a/cve-py/dbConnecttion/__init__.py b/cve-py/dbConnecttion/__init__.py
index c2f881e8e5844761b00073ec27a30788eabad040..96c381b2818a9184954ed24ece68565b35eec741 100644
--- a/cve-py/dbConnecttion/__init__.py
+++ b/cve-py/dbConnecttion/__init__.py
@@ -1,8 +1,3 @@
 """
-Created on October 15, 2020
-
-@author: xjh
-1. When executing SQL with parameters, please use sql statement to specify the list of conditions that need to be entered, and then use tuple/list for conditional batch allocation
-2. There is no need to use quotation marks to specify the data type in the format SQL, and the system will automatically recognize it according to the input parameters
-3. There is no need to use conversion function in the input value, the system will automatically handle it
+    connect mysql
 """
\ No newline at end of file