match-vote-nextjs/src/app/models/ExchangeItem.js

import mongoose from "mongoose";

const ExchangeItemSchema = new mongoose.Schema(
  {
    type: {
      type: String,
      enum: ["彩金", "优惠券", "实物"],
    },
    logo: { type: String },
    title: { type: String },
    points: { type: Number },
  },
  { timestamps: true }
);

export default mongoose.models.ExchangeItem ||
  mongoose.model("ExchangeItem", ExchangeItemSchema);