IOError: [Errno 13] Permission denied: 'config.json'错误

正在做Zabbix微信报警，测试报警时发现收不到微信提示，有如下错误，但是config.json文件已经给了所有权限啊 。对py不熟悉，请教大家下，该怎么处理啊 。


Traceback (most recent call last):
  File "/usr/lib/zabbix/alertscripts/wechat.py", line 73, in <module>
    Status = SendMessage(User,Agentid,Subject,Content)
  File "/usr/lib/zabbix/alertscripts/wechat.py", line 35, in SendMessage
    Token = GetTokenFromServer(Corpid, Secret)
  File "/usr/lib/zabbix/alertscripts/wechat.py", line 24, in GetTokenFromServer
    file = open('config.json', 'w')
IOError: [Errno 13] Permission denied: 'config.json'