@你好2020
在dev、pro里面做修改

module.exports = {
  env: {
    NODE_ENV: '"development"'
  },
  defineConstants: {
  },
  mini: {},
  h5: {
    router: {
      mode: 'browser' // 或者是 'hash会有#号'
    }
  }
}

报错情况如下

以下是依赖环境

"dependencies": {
    "@babel/runtime": "^7.12.5",
    "@tarojs/runtime": "3.0.19",
    "@tarojs/taro": "3.0.19",
    "@tarojs/components": "3.0.19",
    "mobx": "^6.0.4",
    "mobx-react": "^7.0.5",
    "react-dom": "^17.0.1",
    "@tarojs/react": "3.0.19",
    "react": "^17.0.1"
  },
  "devDependencies": {
    "@types/webpack-env": "^1.16.0",
    "@types/react": "^17.0.0",
    "@tarojs/mini-runner": "3.0.19",
    "@babel/core": "^7.12.10",
    "@tarojs/webpack-runner": "3.0.19",
    "babel-preset-taro": "3.0.19",
    "eslint-config-taro": "3.0.19",
    "eslint": "^7.16.0",
    "eslint-plugin-react": "^7.21.5",
    "eslint-plugin-import": "^2.22.1",
    "eslint-plugin-react-hooks": "^4.2.0",
    "stylelint": "13.8.0"
  }