调试报错 raise RuntimeError(unbound_message) from None RuntimeError: Working outsi

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db.create_all()
- C; _9 P! i; P# E& o$ OTraceback (most recent call last):
  File "F:\Program Files\JetBrains\PyCharm Community Edition 2023.2.1\plugins\python-ce\helpers\pydev\pydevconsole.py", line 364, in runcode
    coro = func()
( T! V' K7 m( T           ^^^^^^
5 D" t( {" ^, e! X6 [. d! m" ?. t) k. l  File "<input>", line 1, in <module>
  R/ f# I! j$ _  O  File "G:\Users\longrui\AppData\Local\Programs\Python\Python311\Lib\site-packages\flask_sqlalchemy\extension.py", line 900, in create_all
    self._call_for_binds(bind_key, "create_all")
  File "G:\Users\longrui\AppData\Local\Programs\Python\Python311\Lib\site-packages\flask_sqlalchemy\extension.py", line 871, in _call_for_binds
    engine = self.engines[key]
             ^^^^^^^^^^^^
0 J+ W" C( k3 Q  File "G:\Users\longrui\AppData\Local\Programs\Python\Python311\Lib\site-packages\flask_sqlalchemy\extension.py", line 687, in engines
    app = current_app._get_current_object()  # type: ignore[attr-defined]
; a1 y; z/ k7 @7 l- @          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
$ O1 O) Z8 d$ Z  U9 k  File "G:\Users\longrui\AppData\Local\Programs\Python\Python311\Lib\site-packages\werkzeug\local.py", line 519, in _get_current_object
+ G) Q% ]( l$ e7 b( n& L4 i5 k' k  A0 G    raise RuntimeError(unbound_message) from None
7 Y' P% k  G8 \1 O* F- NRuntimeError: Working outside of application context.
% v9 d$ U8 l: E/ rThis typically means that you attempted to use functionality that needed
the current application. To solve this, set up an application context
with app.app_context(). See the documentation for more information.
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