hexo server not working

[KunZhao]

After execute npm install, and then run the command hexo server, it not working! my package.json is:

{
  "name": "hexo-site",
  "version": "0.0.0",
  "private": true,
  "hexo": {
    "version": "3.4.0"
  },
  "dependencies": {
    "hexo": "^3.4.0",
    "hexo-server": "^0.2.0",
    "hexo-deployer-git": "^0.3.1",
    "hexo-generator-archive": "^0.1.4",
    "hexo-generator-category": "^0.1.3",
    "hexo-generator-index": "^0.2.0",
    "hexo-generator-tag": "^0.2.0",
    "hexo-inject": "^1.0.0",
    "hexo-renderer-ejs": "^0.3.0",
    "hexo-renderer-marked": "^0.3.0",
    "hexo-renderer-mathjax": "^0.6.0",
    "hexo-renderer-stylus": "^0.3.1"
  }
}

[Johan Brook]

I get this too, with a clean install of Hexo. Did you solve this, @anxiaoyi ?

npm install --save hexo hexo-cli hexo-server
→  npx hexo server                                           
Usage: hexo <command>

Commands:
  help     Get help on a command.
  init     Create a new Hexo folder.
  version  Display version information.

Global Options:
  --config  Specify config file instead of using _config.yml
  --cwd     Specify the CWD
  --debug   Display all verbose messages in the terminal
  --draft   Display draft posts
  --safe    Disable all plugins and scripts
  --silent  Hide output on console

For more help, you can use 'hexo help [command]' for the detailed information
or you can check the docs: http://hexo.io/docs/