成功了。

坑太多了，"database.driver": "MySQL80",，竟然认大小写，只能是这样："database.driver": "mysql",

终于找到了。

{
"font.family": "Arial",
"font.size": 12,
"log.active": true,
"log.level": 50,
"log.console": true,
"log.file": true,
"email.server": "smtp.qq.com",
"email.port": 465,
"email.username": "",
"email.password": "",
"email.sender": "",
"email.receiver": "",
"rqdata.username": "",
"rqdata.password": "",
"database.driver": "MySQL80",
"database.database": "vnpy",
"database.host": "localhost",
"database.port": 3306,
"database.user": "root",
"database.password": "XXXXXXXXX",
"database.authentication_source": "admin"
}

vt_setting.json文件在哪里？全局配置的数据库设置在里面？请教了。

Driver 使用Mysql80,就出现如下错误，导致无法显示和进入交易主界面重新进行配置更改？请公司帮助解决？

Traceback (most recent call last):
File "c:\vnstudio\lib\site-packages\vnstation\cli.py", line 90, in run_trader
module = importlib.import_module(d["module"])
File "c:\vnstudio\lib\importlib__init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "c:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\init.py", line 9, in <module>
from .engine import CtaEngine
File "c:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\engine.py", line 39, in <module>
from vnpy.trader.database import database_manager
File "c:\vnstudio\lib\site-packages\vnpy\trader\database\init.py", line 12, in <module>
database_manager: "BaseDatabaseManager" = init(settings=settings)
File "c:\vnstudio\lib\site-packages\vnpy\trader\database\initialize.py", line 6, in init
driver = Driver(settings["driver"])
File "c:\vnstudio\lib\enum.py", line 309, in call
return cls.new(cls, value)
File "c:\vnstudio\lib\enum.py", line 543, in new
return cls.missing(value)
File "c:\vnstudio\lib\enum.py", line 556, in missing
raise ValueError("%r is not a valid %s" % (value, cls.name__))
ValueError: 'MySQL80' is not a valid Driver