Reactjs 在我的项目中使用mobx时是否有问题，错误是'；支持实验语法'；装饰者遗产'；isn'；t当前已启用'；

我配置了package.json和babelrc，但在使用decorator时出现了一些错误

我使用“react16.8.1”和“mobx5.9.4”

我的LRC代码：

    "presets": [
        "@babel/preset-env",
        "@babel/preset-react",

    ],
    "plugins": [
        "@babel/plugin-transform-runtime",
        "@babel/plugin-transform-object-assign",
        [
           "@babel/plugin-decorators-legacy",
            {
          "legacy": true
            }
        ],


    ]
}```
and my package.json

{
“名称”：“材料仪表板专业反应”，
“版本”：“1.5.0”，
“私人”：没错，
“依赖项”：{
“@material ui/core”：“3.9.2”，
“@material ui/图标”：“3.0.2”，
“axios”：“^0.18.0”，
“babel插件转换装饰程序传统”：“^1.3.5”，
“图表专家”：“0.10.1”，
“历史”：“4.7.2”，
“mobx”：“^5.9.4”，
“mobx反应”：“^5.4.3”，
“时刻”：“2.24.0”，
“jalaali时刻”：“^0.8.3”，
“节点sass”：“4.11.0”，
“nouislider”：“13.1.0”，
“完美滚动条”：“1.4.0”，
“rc分页”：“^1.17.13”，
“反应”：“16.8.1”，
“反应大日历”：“0.20.3”，
“react bootstrap sweetalert”：“4.4.1”，
“反应图表师”：“0.13.3”，
“反应日期时间”：“2.16.3”，
“反应dom”：“16.8.1”，
“反应谷歌地图”：“9.4.5”，
“react hichestan datetimepicker”：“^0.2.12”，
“react jvectormap”：“0.0.6”，
“反应路由器dom”：“4.3.1”，
“反应脚本”：“2.1.5”，
“反应选择”：“^2.4.2”，
“react swipeable视图”：“0.13.1”，
“反应表”：“6.9.2”，
“反应标记输入”：“3.19.0”，
“快速反应”：“^5.0.0”，
“简单反应模式”：“^0.5.1”
},
“脚本”：{
“开始”：“反应脚本开始”，
“构建”：“反应脚本构建”，
“测试”：“反应脚本测试--env=jsdom”，
“弹出”：“反应脚本弹出”，
“部署”：“npm运行构建”，
“lint:检查”：“eslint。--ext=js，jsx；退出0”，
“lint:fix”：“eslint。--ext=js，jsx--fix；退出0”，
},
“可选依赖项”：{
“@types/googlemaps”：“3.30.16”，
“@types/markerclustererplus”：“2.1.33”，
“ajv”：“6.9.1”，
“更漂亮”：“1.16.4”
},
“依赖性”：{
“babel插件转换装饰程序传统”：“^1.3.5”，
“巴别塔预设mobx”：“^2.0.0”，
“eslint config prettier”：“4.0.0”，
“eslint插件更漂亮”：“3.0.1”
},
“巴别塔”：{
“预设”：[
“反应应用程序”，
“mobx”
],
“插件”：[
[
“@babel/plugin decorators legacy”，
{
“遗产”：真实
}
]
]
},
“浏览者”：[
">0.2%",
“没有死”，
“不是ie看看：是的，我知道，昨天我解决了它，我使用了mobx实用程序，一切都很好，我认为这个问题与mobx有关，但它取决于babel！因为我认为babel 7不能支持github中基于这个问题的装饰程序
{
  "name": "material-dashboard-pro-react",
  "version": "1.5.0",
  "private": true,
  "dependencies": {
    "@material-ui/core": "3.9.2",
    "@material-ui/icons": "3.0.2",
    "axios": "^0.18.0",
    "babel-plugin-transform-decorators-legacy": "^1.3.5",
    "chartist": "0.10.1",
    "history": "4.7.2",
    "mobx": "^5.9.4",
    "mobx-react": "^5.4.3",
    "moment": "2.24.0",
    "moment-jalaali": "^0.8.3",
    "node-sass": "4.11.0",
    "nouislider": "13.1.0",
    "perfect-scrollbar": "1.4.0",
    "rc-pagination": "^1.17.13",
    "react": "16.8.1",
    "react-big-calendar": "0.20.3",
    "react-bootstrap-sweetalert": "4.4.1",
    "react-chartist": "0.13.3",
    "react-datetime": "2.16.3",
    "react-dom": "16.8.1",
    "react-google-maps": "9.4.5",
    "react-hichestan-datetimepicker": "^0.2.12",
    "react-jvectormap": "0.0.6",
    "react-router-dom": "4.3.1",
    "react-scripts": "2.1.5",
    "react-select": "^2.4.2",
    "react-swipeable-views": "0.13.1",
    "react-table": "6.9.2",
    "react-tagsinput": "3.19.0",
    "react-toastify": "^5.0.0",
    "simple-react-modal": "^0.5.1"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test --env=jsdom",
    "eject": "react-scripts eject",
    "deploy": "npm run build",
    "lint:check": "eslint . --ext=js,jsx;  exit 0",
    "lint:fix": "eslint . --ext=js,jsx --fix;  exit 0",
  },
  "optionalDependencies": {
    "@types/googlemaps": "3.30.16",
    "@types/markerclustererplus": "2.1.33",
    "ajv": "6.9.1",
    "prettier": "1.16.4"
  },
  "devDependencies": {
    "babel-plugin-transform-decorators-legacy": "^1.3.5",
    "babel-preset-mobx": "^2.0.0",
    "eslint-config-prettier": "4.0.0",
    "eslint-plugin-prettier": "3.0.1"
  },
  "babel": {
    "presets": [
      "react-app",
      "mobx"
    ],
    "plugins": [
      [
        "@babel/plugin-decorators-legacy",
         {
           "legacy": true
         }
      ]
    ]
  },
  "browserslist": [
    ">0.2%",
    "not dead",
    "not ie <= 11",
    "not op_mini all"
  ]
}