ecs下载安装Agent失败

============= run agent ========================== Waiting for Agent Up ... Waiting Response for Agent Register ...Done Agent Register Response Status: 200 Agent Register Response Code: ac-register-0012 Agent Register Response Message: 调用Ecs客户端读取实例信息失败! Register to appcenter failed: Invalid Agent Register Response Code Fail to run agent, exit(-6)

============= install fail =======================