MessageCreate handle command does not work

client.commands = new Collection()
client.aliases = new Collection()

const commandFiles = fs.readdirSync('./commands').filter(file => file.endsWith('.js'))

for (const file of commandFiles) {
    const command = require(`./commands/${file}`)
    client.commands.set(command.name, command)
    console.log("--------------------\nload | " + command.name + ` | ${client.commands.size}개`)
}


client.on('messageCreate', (message) => {
    if (!message.content.startsWith(prefix) || message.author.bot) return
    blacklist.findOne({ id : message.author.id }
        .then((data) => {
        if(err) throw err;
        if(!data) {
        const args = message.content.slice(prefix.length).trim().split(/ +/)
      const commandName = args.shift().toLowerCase()
      client.run(commandName)
      const command = client.commands.get(commandName) || client.commands.find(a => a.aliases && a.aliases.includes(commandName))
    if (!command) return
    try{
        command.execute(message, args, client)
        const utc = new Date().getTime() + (new Date().getTimezoneOffset() * 60 * 1000)
        var currentdate = new Date(utc + (9 * 60 * 60 * 1000))
        var datetime = currentdate.getFullYear() + "-"
        + (currentdate.getMonth()+1)  + "-" 
        + currentdate.getDate() + " "  
        + currentdate.getHours() + ":"  
        + currentdate.getMinutes() + ":" 
        + currentdate.getSeconds()
        const wc = new WebhookClient({
            id: 'id',
            token: 'token'
        })
        const embed = new EmbedBuilder()
    .setTitle(`시간: ${datetime}`)
    .addFields('핸들링: 커맨드', `command: 『${command.name}』`)
    .setTimestamp()
    .setColor('#2C2F33')
    wc.send({
        avatarURL : "png",
        embeds : [embed]
    })
        } catch (error) {
        console.error(error)
        message.reply('error')
    }
        }
    }))
})