一进入小程序主页 mqtt 就创建了连接，苹果、小米、荣耀手机都没有问题，但鸿蒙系统的 mqtt 一直频繁重连，已经有多个客户反应了。

代码很久没改过了，package-lock.json 里的 mqtt 信息：

 "mqtt": {
      "version": "3.0.0",
      "resolved": "https://registry.npmjs.org/mqtt/-/mqtt-3.0.0.tgz",
      "integrity": "sha512-0nKV6MAc1ibKZwaZQUTb3iIdT4NVpj541BsYrqrGBcQdQ7Jd0MnZD1/6/nj1UFdGTboK9ZEUXvkCu2nPCugHFA==",
      "requires": {
        "base64-js": "^1.3.0",
        "commist": "^1.0.0",
        "concat-stream": "^1.6.2",
        "end-of-stream": "^1.4.1",
        "es6-map": "^0.1.5",
        "help-me": "^1.0.1",
        "inherits": "^2.0.3",
        "minimist": "^1.2.0",
        "mqtt-packet": "^6.0.0",
        "pump": "^3.0.0",
        "readable-stream": "^2.3.6",
        "reinterval": "^1.1.0",
        "split2": "^3.1.0",
        "websocket-stream": "^5.1.2",
        "xtend": "^4.0.1"
      }
    },
    "mqtt-packet": {
      "version": "6.10.0",
      "resolved": "https://registry.npmjs.org/mqtt-packet/-/mqtt-packet-6.10.0.tgz",
      "integrity": "sha512-ja8+mFKIHdB1Tpl6vac+sktqy3gA8t9Mduom1BA75cI+R9AHnZOiaBQwpGiWnaVJLDGRdNhQmFaAqd7tkKSMGA==",
      "requires": {
        "bl": "^4.0.2",
        "debug": "^4.1.1",
        "process-nextick-args": "^2.0.1"
      }
    },

鸿蒙系统一直重连页面：