text: from flask_migrate import Migrate, MigrateCommand
  from flask_script import Manager
  from info import db, create_app
  
  app = create_app("development")
  manager = Manager(app)
  Migrate(app, db)
  manager.add_command("db", MigrateCommand)
  
  
  @app.route("/")
  def index():
      return "hello world 世界真美好"
  
  
  if __name__ == '__main__':
      manager.run()
  