def update(id):

task = Todo.query.get_or_404(id)

if request.method == 'POST':

task.content = request.form['content'] #新增任務

try:

db.session.commit()

return redirect('/')

except:

return 'There was an issue updating your task'

else:

return render_template('update.html', task=task)

這一邊嗎？