public async Task <MessageModel <bool> > Put([FromBody] QuestionBank questionBank)
        {
            if (questionBank == null || !(questionBank.Id > 0))
            {
                return(new MessageModel <bool>()
                {
                    msg = "参数异常",
                    response = false
                });
            }

            var isSuc = await _questionBankRepository.Update(questionBank);

            return(new MessageModel <bool>()
            {
                msg = isSuc ? "更新成功" : "更新失败",
                success = isSuc,
                response = isSuc
            });
        }