Rabbitmq plugin field problem

Here is my config.

- module: rabbitmq
  metricsets: ["node", "queue", "connection", "exchange"]
  enabled: true
  period: 60s
  hosts: ["http://test:15672"]
  username: test
  password: test

- module: rabbitmq
  metricsets: ["node", "queue", "connection", "exchange"]
  enabled: true
  period: 60s
  #hosts: ["http://localhost:15672"]
  hosts: ["http://localhost:15672"]
  username: test
  password: test

And I only have these much field in the index related to exchange