Internal Server Error
The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
运行没有问题：
Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
但浏览器打不开http://localhost:5000/ 报： jinja2.exceptions.TemplateNotFound
TemplateNotFound：模版不存在，检查文件名和路径
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张文祥_stone
Internal Server Error
The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
运行没有问题：
Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
但浏览器打不开http://localhost:5000/ 报： jinja2.exceptions.TemplateNotFound