本地127.0.0.1:5000无法访问

pycharm 命令运行测试,访问不了主页,报错

代码如下) pip install Flask

from flask import Flask

app = Flask(name)

@app.route('/index')
def index():
return 'HELLO'

app.run(debug=True)

(报错内容) WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.

  • Running on http://127.0.0.1:5000
    Press CTRL+C to quit
  • Restarting with stat
  • Debugger is active!
  • Debugger PIN: 131-970-103
  • Detected change in 'C:\Users\A\Desktop\python\choujiang.py', reloading
  • Restarting with stat
  • Debugger is active!
  • Debugger PIN: 131-970-103

百度搜的装插件pip装了install插件无效
我想要达到的结果

可能是端口被电脑某个服务占用了,可以把程序运行端口换一下试试