const PostSchema = new mongoose.Schema(
    {
        userName: {
            type: String,
            required: [true, "userName必填"],
        },
        userPhoto: String,
        postContent: {
            type: String,
            required: [true, "postContent必填"],
        },
        postImgUrl: String,       
    },
    { 
        versionKey:false,
        timestamps:true
    }
)