求助大神关于MQTT连接问题

matthew

小白刚玩Mqtt遇到问题，请求大神指点
配置文件设置
binary_sensor :
  - platform: mqtt
    name: "Rain"
    state_topic: "/esptest/sensor.Rain/Rain"
    qos: 0
    payload_on: "1"
    payload_off: "0"
    device_class: moisture
mqtt:
  broker: 192.168.1.192

log文件显示：
2017-11-21 13:37:47 ERROR (MainThread) [homeassistant.setup] Error during setup of component mqtt
Traceback (most recent call last):
  File "/srv/homeassistant/lib/python3.5/site-packages/homeassistant/setup.py", line 190, in _async_setup_component
    result = yield from component.async_setup(hass, processed_config)
  File "/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/mqtt/__init__.py", line 387, in async_setup
    success = yield from hass.data[DATA_MQTT].async_connect()
  File "/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/mqtt/__init__.py", line 498, in async_connect
    self._mqttc.connect, self.broker, self.port, self.keepalive)
  File "/usr/lib/python3.5/asyncio/futures.py", line 380, in __iter__
    yield self  # This tells Task to wait for completion.
  File "/usr/lib/python3.5/asyncio/tasks.py", line 304, in _wakeup
    future.result()
  File "/usr/lib/python3.5/asyncio/futures.py", line 293, in result
    raise self._exception
  File "/usr/lib/python3.5/concurrent/futures/thread.py", line 55, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/srv/homeassistant/lib/python3.5/site-packages/paho/mqtt/client.py", line 768, in connect
    return self.reconnect()
  File "/srv/homeassistant/lib/python3.5/site-packages/paho/mqtt/client.py", line 895, in reconnect
    sock = socket.create_connection((self._host, self._port), source_address=(self._bind_address, 0))
  File "/usr/lib/python3.5/socket.py", line 712, in create_connection
    raise err
  File "/usr/lib/python3.5/socket.py", line 703, in create_connection
    sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused2017-11-21 13:46:45 ERROR (MainThread) [homeassistant.setup] Unable to setup dependencies of binary_sensor.mqtt. Setup failed for dependencies: mqtt
2017-11-21 13:46:45 ERROR (MainThread) [homeassistant.setup] Unable to prepare setup for platform binary_sensor.mqtt: Could not setup all dependencies.