关于#flask#的问题，如何解决？

FLASK_APP not set
FLASK_ENV = development
FLASK_DEBUG = 1
In folder E:/birdfoly.com/blog
C:\Users\Administrator\AppData\Local\Programs\Python\Python38\python.exe -m flask run

  • Serving Flask app '' (lazy loading)
  • Environment: development
  • Debug mode: on
  • Restarting with stat
  • Debugger is active!
  • Debugger PIN: 439-130-462
  • Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

127.0.0.1 - - [25/Jul/2022 23:57:29] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [25/Jul/2022 23:57:29] "GET /css/bootstrap.css HTTP/1.1" 200 -
127.0.0.1 - - [25/Jul/2022 23:57:29] "GET /js/bootstrap.js HTTP/1.1" 200 -
127.0.0.1 - - [25/Jul/2022 23:57:29] "GET /js/jquery.slim.min.js HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:29] "GET /image/logo.png HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:29] "GET /image/轮播1.png HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:29] "GET /image/shibi.jpeg HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:31] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [25/Jul/2022 23:57:31] "GET /css/bootstrap.css HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:31] "GET /js/bootstrap.js HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:31] "GET /js/jquery.slim.min.js HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:31] "GET /image/logo.png HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:31] "GET /image/轮播1.png HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:33] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [25/Jul/2022 23:57:33] "GET /css/bootstrap.css HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:33] "GET /js/jquery.slim.min.js HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:33] "GET /js/bootstrap.js HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:33] "GET /image/logo.png HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:33] "GET /image/轮播1.png HTTP/1.1" 304 -
127.0.0.1 - - [25/Jul/2022 23:57:35] "GET / HTTP/1.1" 200 -

怎么了？

这篇文章：深入理解Flask路由的实现机制 也许能够解决你的问题，你可以看下