为提高效率，提问时请提供以下信息，问题描述清晰可优先响应。
【DM版本】:DM8
【操作系统】：x86下的所有系统
【CPU】:Intel
【问题描述】*：
开发环境中数据库可以正常查询，一旦Django关闭debug，查询就报错。
以下是win环境下的报错，Web容器使用Apache2.4_VC9，python版本2.7.18，Django版本1.5.12。以上版本皆为可用最高版本。
报错如下：

[25/Jun/2021 16:57:57] ERROR [django.request:212] Internal Server Error: /
Traceback (most recent call last):
  File "D:\Apache24\wmcj\env\Lib\site-packages\django\core\handlers\base.py", line 187, in get_response
    response = middleware_method(request, response)
  File "D:\Apache24\wmcj\env\Lib\site-packages\django\contrib\sessions\middleware.py", line 38, in process_response
    request.session.save()
  File "D:\Apache24\wmcj\env\Lib\site-packages\django\contrib\sessions\backends\db.py", line 55, in save
    sid = transaction.savepoint(using=using)
  File "D:\Apache24\wmcj\env\Lib\site-packages\django\db\transaction.py", line 172, in savepoint
    return connection.savepoint()
  File "D:\Apache24\wmcj\env\Lib\site-packages\django\db\backends\__init__.py", line 264, in savepoint
    self._savepoint(sid)
  File "D:\Apache24\wmcj\env\Lib\site-packages\django\db\backends\__init__.py", line 79, in _savepoint
    self.cursor().execute(self.ops.savepoint_create_sql(sid))
  File "D:\Apache24\wmcj\env\Lib\site-packages\django_dmPython\base.py", line 125, in execute
    res = self.cursor.execute(query, *args)
TypeError: execute() argument after * must be an iterable, not NoneType