关于#pythonflask#的问题，如何解决？

WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
哪位能给解惑

改成这样，亲测有效，如有帮助，请点击以下采纳谢谢：

# 访问测试报告
from flask import Flask
from gevent import pywsgi

app = Flask(__name__)
@app.route('/', methods=['get'])
def index():
    return "Hello world"


server = pywsgi.WSGIServer(('0.0.0.0', 12345), app)
server.serve_forever()