家庭助理，接收MQTT时出现问题

我想在我的家庭助理环境中加入一个移动气象站

在我的Synology NAS上，我运行以下脚本：

{
  "localIPv4Address": "192.168.0.xxx",
  "mqtt": "mqtt://192.168.0.xxx",
  "mqtt_home": "MobileAlerts/", 
  "mqtt_username": "mqtt_alert",
  "mqtt_password": "MY_PASSWORT",

  "logfile": "./MobileAlerts.log",
  "logGatewayInfo": false,

  "proxyServerPort": 8080,

  "mobileAlertsCloudForward": false,

  "serverPost": null,
  "serverPostUser": null,
  "serverPostPassword": null

}

在我的home assistant服务器（raspberry）上，我安装了具有以下配置的MQTT代理：

logins:
  - username: mqtt_alert
    password: MY_PASSWORT
anonymous: false
customize:
  active: false
  folder: MobileAlerts
certfile: fullchain.pem
keyfile: privkey.pem
require_certificate: false

现在，在我的NAS上，我看到服务正在运行：

### Local IP address for proxy: 192.168.0.172
(node:31664) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
Mobile-Alert Gateway : 001d8c0dffb7
Name                 : MOBILEALERTS-Gateway
Use DHCP             : true
DHCP IP              : 192.168.0.xxx
Fixed IP             : 192.168.1.xxx
DHCP Netmask         : 255.255.255.0
Fixed DNS IP         : 192.168.1.xxx
Fixed Gateway        : 192.168.1.xxx
Use Proxy            : true
Proxy Server Name    : 192.168.0.xxx
Proxy Port           : 8080
Data Server Name     : www.data199.com
### MQTT server is connected
undefined MobileAlerts/035xxc2xxd54d/json {"temperature":[22.4,22.4],"humidity":[63,63],"id":"0x35c27xxxx3d74d","t":"2020-11-03T18:40:58.000Z","offline":false}
undefined MobileAlerts/031xxxcd672ed2/json {"temperature":[22.1,22.1],"humidity":[62,62],"id":"0331cxxxxed2","t":"2020-11-03T18:41:15.000Z","offline":false}

最后，我尝试了以下配置（configuration.yaml）

但是，传感器状态始终保持“未知”

有人知道我做错了什么吗

mqtt:
  broker: 192.168.0.xxx
  port: 1883
  username: mqtt_alert
  password: MY_PASSWORD
  
  
sensor:
  - platform: mqtt
    name: "aaa"
    state_topic: "MobileAlerts/03xxxxxx6B08A6/json"
    unit_of_measurement: '°C'
    value_template: "{{value_json.temperature[0]}}"