text: const mongoose = require('mongoose')
  const Schema = mongoose.Schema;
  
  // 实例化数据model
  const UserSchema = new Schema({
      name: {
          type: String,
          required: true
      },
      email: {
          type: String,
          required: true
      },
      password: {
          type: String,
          required: true
      },
      avatar: {
          type: String,
      },
      date: {
          type: Date,
          default: Date.now
      },
  });
  
  module.exports = User = mongoose.model('Users', UserSchema)