关于python：Flask App Refusing Connections

Flask App Refusing Connections

我正在运行我的Flask应用程序：
app.run(host='0.0.0.0', debug=True, threaded=True, port=5000, passthrough_errors=False)

但是当我转到 localhost:5000 时，它会收到 ERR_CONNECTION_REFUSED 错误。对正在发生的事情有任何想法吗？
运行时输出为：

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* Debug mode: on
* Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)
* Restarting with stat
* Debugger is active!
* Debugger PIN: 183-524-396

main.py 代码：

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from flask import Flask
from flask_cors import CORS
from test_1.test1 import test1
from test_1.test_files.error_handler import handle_error
# import rollbar

app = Flask(__name__)

@app.route("/")
def hello():
return"Hello From Error Reporting Test!"

@app.errorhandler(Exception)
def error_handler(error):
return handle_error(error)

app.register_blueprint(test1, url_prefix='/test1')
cors = CORS(app, resources={r"/test1/*": {"origins":"*"}},
headers={'Access-Control-Request-Headers', 'Content-Type', 'Access-Control-Allow-Origin'})

if __name__ == '__main__':
app.run(host='0.0.0.0', debug=True, threaded=True, port=5000, passthrough_errors=False)