fs-extra  模块不能正常使用
## What happens?
https://github.com/jprichardson/node-fs-extra 
这个模块在egg里用不了，

<!-- https://github.com/YOUR_REPOSITORY_URL -->

## How To Reproduce

**Steps to reproduce the behavior:**
1. 
![image](https://user-images.githubusercontent.com/5111701/128817657-cff3cf96-2352-4249-847f-3b7a3d6b1fa9.png)
一旦添加红框中的代码，运行dev，直接报错
![image](https://user-images.githubusercontent.com/5111701/128817822-5c2b682a-d9b1-4e00-8ee1-c34ad58d4123.png)

2. 去掉红框里的代码，运行dev，就ok正常。

3. package.json
`
{
  "private": true,
  "version": "1.5.1",
  "description": "Preview glTF models using three.js and a drag-and-drop interface.",
  "author": "Don McCurdy <dm@donmccurdy.com> (https://www.donmccurdy.com)",
  "license": "MIT",
  "main": "public/app.js",
  "proxy": "http://127.0.0.1:801",
  "targets": {
    "main": {
      "engines": {
        "browsers": [
          "> 1%",
          "not dead"
        ]
      }
    }
  },
  "staticFiles": {
    "staticPath": [
      {
        "staticPath": "assets",
        "staticOutDir": "assets"
      }
    ]
  },
  "scripts": {
    "build": "parcel public index.html --public-url . --out-dir public",
    "build:registry": "curl https://rawgit.com/KhronosGroup/glTF-Generator-Registry/master/registry.json -o lib/gltf-generator-registry.json",
    "dev": "parcel index.html --port 3000",
    "test": "node scripts/gen_test.js",
    "deploy": "npm run build && vercel --local-config vercel.json --prod",
    "postversion": "git push && git push --tags"
  },
  "dependencies": {
    "axios": "^0.21.1",
    "can": "^6.6.1",
    "dat.gui": "^0.7.7",
    "glob-to-regexp": "^0.4.1",
    "glsl-blend-soft-light": "^1.0.5",
    "glsl-film-grain": "^1.0.4",
    "gltf-validator": "^2.0.0-dev.3.3",
    "handlebars": "^4.7.6",
    "jquery": "^3.6.0",
    "query-string": "^7.0.0",
    "simple-dropzone": "^0.8.1",
    "three": "^0.129.0"
  },
  "devDependencies": {
    "glslify-bundle": "^5.1.1",
    "glslify-deps": "^1.3.2",
    "node-fetch": "^2.6.1",
    "parcel-bundler": "^1.12.4",
    "parcel-plugin-static-files-copy": "^2.5.0"
  }
}
`

**Expected behavior**
1.
2.

## Context
- **Node Version**: v14.15.0
- **Egg Version**:  ^2.15.1
- **Plugin Name**: node-fs-extra 
- **Plugin Version**: ^10.0.0
- **Platform**: win10
