######### 调查模型#########

module.exports = function(sequelize, DataTypes) {
const Survey = sequelize.define("Survey", {
    survey_id: {
        autoIncrement: true,
        type: DataTypes.INTEGER.UNSIGNED,
        allowNull: false,
        primaryKey: true,
    },
    required: {
        type: DataTypes.INTEGER
    },
    title: {
        type: DataTypes.STRING
    },
    description: {
        type: DataTypes.STRING
    },
    status: {
        type: DataTypes.INTEGER
    },
    endDate: {
        type: DataTypes.DATE
    },
    userid: {
        type: DataTypes.INTEGER
    }
},{
    tableName: 'survey',
    hooks,
});
Survey.sync({ alter: true })
Survey.associate = function(models) {
    Survey.belongsTo(models.User, {foreignKey: 'userid'});
    Survey.hasMany(models.Question);
};
return Survey }

################ 提问模型#######

module.exports = function (sequelize, DataTypes) {
const Question = sequelize.define("Question", {
    question_id: {
        autoIncrement: true,
        type: DataTypes.INTEGER.UNSIGNED,
        allowNull: false,
        primaryKey: true,
    },
    question_type: {
        type: DataTypes.INTEGER
    },
    question_title: {
        type: DataTypes.STRING
    },
    question_required: {
        type: DataTypes.INTEGER
    },
    survey_id: {
        type: DataTypes.INTEGER
    }
}, {
    tableName: 'question',
    hooks,
});
Question.sync({alter: true})
Question.associate = (models) => {
    Question.belongsTo(models.Survey, {foreignKey: 'survey_id'});
    // Question.hasMany(models.QuestionOption, {foreignKey: 'question_id'});
};
return Question }

######### 控制器文件########

Survey.findAll({
    where: {
        userid: userId
    },
    include: {
        model: Question,
    }
}).then(data => {
    res.status(200).send(formatResponse(false, 'Survey list', data));
}).catch(error => {
    res.status(500).send(formatResponse(true, error.message || "Error in Fetching Data", {}));
})

我是nodejs的初学者。我使用postgres作为数据库。与谷歌和其他博客的帮助下，使登录，注册API。但当我去的进步，然后这个错误显示。不明白为什么会出现这个错误。帮我摆脱这一切。我尝试了许多其他的解决办法，但同样的错误来