diff --git a/next.config.js b/next.config.js
index b1267ff..c09d0b8 100644
--- a/next.config.js
+++ b/next.config.js
@@ -4,6 +4,12 @@ const withPWA = require('next-pwa')
 const VERSION = require('./package.json').version
 
 const NextConfig = {
+	webpack: (config, { isServer }) => {
+		if (!isServer) {
+			config.resolve.fallback.fs = false
+		}
+		return config
+	},
 	pwa: {
 		disable: process.env.NODE_ENV !== 'production',
 		register: false
diff --git a/package.json b/package.json
index fee810c..2e98817 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
 		"csrf": "3.1.0",
 		"dataloader": "2.0.0",
 		"dayjs": "1.10.4",
+		"difflib": "0.2.4",
 		"discord.js": "12.5.3",
 		"emoji-mart": "3.0.1",
 		"erlpack": "0.1.3",
diff --git a/pages/api/v2/bots/[id]/index.ts b/pages/api/v2/bots/[id]/index.ts
index 3b4c4ce..052c8f4 100644
--- a/pages/api/v2/bots/[id]/index.ts
+++ b/pages/api/v2/bots/[id]/index.ts
@@ -1,5 +1,6 @@
 import { NextApiRequest } from 'next'
 import rateLimit from 'express-rate-limit'
+import { MessageEmbed } from 'discord.js'
 
 import { CaptchaVerify, get, put, remove, update } from '@utils/Query'
 import ResponseWrapper from '@utils/ResponseWrapper'
@@ -7,7 +8,9 @@ import { checkToken } from '@utils/Csrf'
 import { AddBotSubmit, AddBotSubmitSchema, CsrfCaptcha, ManageBot, ManageBotSchema } from '@utils/Yup'
 import RequestHandler from '@utils/RequestHandler'
 import { User } from '@types'
-import { checkUserFlag } from '@utils/Tools'
+import { checkUserFlag, diff, inspect, makeDiscordCodeblock, objectDiff, serialize } from '@utils/Tools'
+import { discordLog, getBotReviewLogChannel } from '@utils/DiscordBot'
+import { KoreanbotsEndPoints } from '@utils/Constants'
 
 const patchLimiter = rateLimit({
 	windowMs: 2 * 60 * 1000,
@@ -73,6 +76,12 @@ const Bots = RequestHandler()
 				errors: ['봇 신청하시기 위해서는 공식 디스코드 서버에 참가해주셔야합니다.'],
 			})
 		get.botSubmits.clear(user)
+
+		await discordLog('BOT/SUBMIT', user, new MessageEmbed().setDescription(`[${result.id}/${result.date}](${KoreanbotsEndPoints.URL.submittedBot(result.id, result.date)})`), {
+			content: inspect(serialize(result)),
+			format: 'js'
+		})
+		await getBotReviewLogChannel().send(new MessageEmbed().setTitle('심사 대기 중').setColor('GREY').setDescription(`[${result.id}/${result.date}](${KoreanbotsEndPoints.URL.submittedBot(result.id, result.date)})`).setFooter(Date.now()))
 		return ResponseWrapper(res, { code: 200, data: result })
 	})
 	.delete(async (req: DeleteApiRequest, res) => {
@@ -90,8 +99,13 @@ const Bots = RequestHandler()
 		if(req.body.name !== bot.name) return ResponseWrapper(res, { code: 400, message: '봇 이름을 입력해주세요.' })
 		remove.bot(bot.id)
 		get.user.clear(user)
+		await discordLog('BOT/DELETE', user, (new MessageEmbed().setDescription(`${bot.name} - <@${bot.id}> ([${bot.id}](${KoreanbotsEndPoints.URL.bot(bot.id)}))`)),
+			{
+				content: inspect(bot),
+				format: 'js'
+			}
+		)
 		return ResponseWrapper(res, { code: 200, message: '성공적으로 삭제했습니다.' })
-		
 	})
 	.patch(patchLimiter).patch(async (req: PatchApiRequest, res) => {
 		const bot = await get.bot.load(req.query.id)
@@ -112,11 +126,24 @@ const Bots = RequestHandler()
 			})
 
 		if (!validated) return
-		console.log(validated)
 		const result = await update.bot(req.query.id, validated)
 		if(result === 0) return ResponseWrapper(res, { code: 400 })
 		else {
 			get.bot.clear(req.query.id)
+			const embed = new MessageEmbed().setDescription(`${bot.name} - <@${bot.id}> ([${bot.id}](${KoreanbotsEndPoints.URL.bot(bot.id)}))`)
+			const diffData = objectDiff(
+				{ prefix: bot.prefix, library: bot.lib, web: bot.web, git: bot.git, url: bot.url, discord: bot.discord, intro: bot.intro, category: JSON.stringify(bot.category) },
+				{ prefix: validated.prefix, library: validated.library, web: validated.website, git: validated.git, url: validated.url, discord: validated.discord, intro: validated.intro, category: JSON.stringify(validated.category)  }
+			)
+			diffData.map(d => {
+				embed.addField(d[0], makeDiscordCodeblock(diff(d[1][0] || '', d[1][1] || ''), 'diff'))
+			})
+			await discordLog('BOT/EDIT', user, embed,
+				{
+					content: `--- 설명\n${diff(bot.desc, validated.desc, true)}`,
+					format: 'diff'
+				}
+			)
 			return ResponseWrapper(res, { code: 200 })
 		}
 		
diff --git a/pages/api/v2/bots/[id]/owners.ts b/pages/api/v2/bots/[id]/owners.ts
index da4f340..f517603 100644
--- a/pages/api/v2/bots/[id]/owners.ts
+++ b/pages/api/v2/bots/[id]/owners.ts
@@ -4,9 +4,12 @@ import RequestHandler from '@utils/RequestHandler'
 import { CaptchaVerify, get, update } from '@utils/Query'
 import ResponseWrapper from '@utils/ResponseWrapper'
 import { checkToken } from '@utils/Csrf'
-import { checkUserFlag } from '@utils/Tools'
+import { checkUserFlag, diff, makeDiscordCodeblock } from '@utils/Tools'
 import { EditBotOwner, EditBotOwnerSchema } from '@utils/Yup'
 import { User } from '@types'
+import { discordLog } from '@utils/DiscordBot'
+import { MessageEmbed } from 'discord.js'
+import { KoreanbotsEndPoints } from '@utils/Constants'
 
 const BotOwners = RequestHandler()
 	.patch(async (req: PostApiRequest, res) => {
@@ -33,6 +36,7 @@ const BotOwners = RequestHandler()
 		if(userFetched.length > 1 && userFetched[0].id !== (bot.owners as User[])[0].id) return ResponseWrapper(res, { code: 400, errors: ['소유자를 이전할 때는 다른 관리자를 포함할 수 없습니다.'] })
 		await update.botOwners(bot.id, validated.owners)
 		get.user.clear(user)
+		await discordLog('BOT/OWNERS', userinfo.id, (new MessageEmbed().setDescription(`${bot.name} - <@${bot.id}> ([${bot.id}](${KoreanbotsEndPoints.URL.bot(bot.id)}))`)), null, makeDiscordCodeblock(diff(JSON.stringify(bot.owners.map(el => el.id)), JSON.stringify(validated.owners)), 'diff'))
 		return ResponseWrapper(res, { code: 200 })
 	})
 
diff --git a/pages/api/v2/bots/[id]/report.ts b/pages/api/v2/bots/[id]/report.ts
index 247b2a1..74c7fe9 100644
--- a/pages/api/v2/bots/[id]/report.ts
+++ b/pages/api/v2/bots/[id]/report.ts
@@ -12,6 +12,7 @@ const limiter = rateLimit({
 	windowMs: 5 * 60 * 1000,
 	max: 3,
 	statusCode: 429,
+	skipFailedRequests: true,
 	handler: (_req, res) => ResponseWrapper(res, { code: 429 }),
 	keyGenerator: (req) => req.headers['x-forwarded-for'] as string,
 	skip: (_req, res) => {
diff --git a/pages/api/v2/bots/[id]/stats.ts b/pages/api/v2/bots/[id]/stats.ts
index 2aaf9dd..40601ea 100644
--- a/pages/api/v2/bots/[id]/stats.ts
+++ b/pages/api/v2/bots/[id]/stats.ts
@@ -1,15 +1,20 @@
 import { NextApiRequest } from 'next'
 import rateLimit from 'express-rate-limit'
+import { MessageEmbed } from 'discord.js'
 
 import { get, update } from '@utils/Query'
 import RequestHandler from '@utils/RequestHandler'
 import ResponseWrapper from '@utils/ResponseWrapper'
 import { BotStatUpdate, BotStatUpdateSchema } from '@utils/Yup'
+import { discordLog } from '@utils/DiscordBot'
+import { makeDiscordCodeblock } from '@utils/Tools'
+import { KoreanbotsEndPoints } from '@utils/Constants'
 
 const limiter = rateLimit({
 	windowMs: 3 * 60 * 1000,
 	max: 3,
 	statusCode: 429,
+	skipFailedRequests: true,
 	handler: (_req, res) => ResponseWrapper(res, { code: 429 }),
 	keyGenerator: (req) => req.headers.authorization,
 	skip: (req, res) => {
@@ -37,6 +42,8 @@ const BotStats = RequestHandler().post(limiter)
 		if(botInfo.id !== bot) return ResponseWrapper(res, { code: 403 })
 		const d = await update.updateServer(botInfo.id, validated.servers)
 		if(d===1 || d===2) return ResponseWrapper(res, { code: 403, message: `서버 수를 ${[null, '1만', '100만'][d]} 이상으로 설정하실 수 없습니다. 문의해주세요.` })
+		get.bot.clear(req.query.id)
+		await discordLog('BOT/STATS', botInfo.id, (new MessageEmbed().setDescription(`${botInfo.name} - <@${botInfo.id}> ([${botInfo.id}](${KoreanbotsEndPoints.URL.bot(botInfo.id)}))`)), null, makeDiscordCodeblock(`${botInfo.servers > validated.servers ? '-' : '+'} ${botInfo.servers} -> ${validated.servers} (${botInfo.servers > validated.servers ? '▼' : '▲'}${Math.abs(validated.servers - botInfo.servers)})`, 'diff'))
 		return ResponseWrapper(res, { code: 200, message: '성공적으로 업데이트 했습니다.'})
 	})
 
diff --git a/types/global.d.ts b/types/global.d.ts
index b300341..2dbb135 100644
--- a/types/global.d.ts
+++ b/types/global.d.ts
@@ -17,3 +17,8 @@ declare module 'yup' {
 		unique(format?: string): this
 	}
 }
+
+
+declare module 'difflib' {
+	export function unifiedDiff(before: string, after: string): string[]
+}
\ No newline at end of file
diff --git a/utils/Constants.ts b/utils/Constants.ts
index 371d6a1..d902658 100644
--- a/utils/Constants.ts
+++ b/utils/Constants.ts
@@ -133,7 +133,7 @@ export const reportCats = [
 export const imageSafeHost = [
 	'koreanbots.dev',
 	'githubusercontent.com',
-	'cdn.discordapp.com'	
+	'cdn.discordapp.com'
 ]
 
 export const MessageColor = {
@@ -188,8 +188,14 @@ export const DiscordEnpoints = {
 }
 
 export const KoreanbotsEndPoints = {
-	CDN: class CDN {
-		static avatar (id: string, options: KoreanbotsImageOptions) { return makeImageURL(`/api/image/discord/avatars/${id}`, options) }
+	CDN: class {
+		static root = '/api/image'
+		static avatar (id: string, options: KoreanbotsImageOptions) { return makeImageURL(`${this.root}/discord/avatars/${id}`, options) }
+	},
+	URL: class {
+		static root = process.env.KOREANBOTS_URL || 'https://koreanbots.dev'
+		static bot (id: string) { return `${this.root}/bots/${id}` }
+		static submittedBot(id: string, date: number) { return `${this.root}/pendingBots/${id}/${date}` }
 	},
 	baseAPI: '/api/v2',
 	login: '/api/auth/discord',
diff --git a/utils/DiscordBot.ts b/utils/DiscordBot.ts
index 9db4b66..0257af0 100644
--- a/utils/DiscordBot.ts
+++ b/utils/DiscordBot.ts
@@ -1,9 +1,12 @@
 import * as Discord from 'discord.js'
 
-const DiscordBot = new Discord.Client()
+export const DiscordBot = new Discord.Client()
 
 const guildID = '653083797763522580'
+
 const reportChannelID = '813255797823766568'
+const loggingChannelID = '844006379823955978'
+const botReviewLogChannelID = '844044961975500840'
 
 DiscordBot.on('ready', async () => {
 	console.log('I\'m Ready')
@@ -13,6 +16,17 @@ DiscordBot.on('ready', async () => {
 
 DiscordBot.login(process.env.DISCORD_TOKEN)
 
-const getMainGuild = () => DiscordBot.guilds.cache.get(guildID)
-const getReportChannel = (): Discord.TextChannel => DiscordBot.channels.cache.get(reportChannelID) as Discord.TextChannel
-export { DiscordBot, getMainGuild, getReportChannel }
+export const getMainGuild = () => DiscordBot.guilds.cache.get(guildID)
+export const getReportChannel = (): Discord.TextChannel => getMainGuild().channels.cache.get(reportChannelID) as Discord.TextChannel
+export const getLoggingChannel = (): Discord.TextChannel => getMainGuild().channels.cache.get(loggingChannelID) as Discord.TextChannel
+export const getBotReviewLogChannel = (): Discord.TextChannel => getMainGuild().channels.cache.get(botReviewLogChannelID) as Discord.TextChannel
+export const discordLog = async (type: string, issuerID: string, embed?: Discord.MessageEmbed, attachment?: { content: string, format: string}, content?: string): Promise<void> => {
+	getLoggingChannel().send({ 
+		content: `[${type}] <@${issuerID}> (${issuerID})\n${content || ''}`,
+		embed: embed && embed.setTitle(type).setTimestamp(new Date()),
+		...(attachment && { files: [
+			attachment && new Discord.MessageAttachment(Buffer.from(attachment.content), `${type.toLowerCase().replace(/\//g, '-')}-${issuerID}-${Date.now()}.${attachment.format}`)
+		]
+		})
+	})
+}
\ No newline at end of file
diff --git a/utils/Query.ts b/utils/Query.ts
index 88f9851..52b21e6 100644
--- a/utils/Query.ts
+++ b/utils/Query.ts
@@ -215,7 +215,7 @@ async function voteBot(userID: string, botID: string): Promise<number|boolean> {
  * @returns 4 - Discord not Joined
  * @returns obj - Success
  */
-async function submitBot(id: string, data: AddBotSubmit):Promise<number|SubmittedBot> {
+async function submitBot(id: string, data: AddBotSubmit):Promise<1|2|3|4|SubmittedBot> {
 	const submits = await knex('submitted').select(['id']).where({ state: 0 }).andWhere('owners', 'LIKE', `%${id}%`)
 	if(submits.length > 1) return 1
 	const botId = data.id
diff --git a/utils/RequestHandler.ts b/utils/RequestHandler.ts
index 102cf62..55bb5f7 100644
--- a/utils/RequestHandler.ts
+++ b/utils/RequestHandler.ts
@@ -1,4 +1,5 @@
 import { NextApiRequest, NextApiResponse } from 'next'
+import * as Sentry from '@sentry/nextjs'
 import nc from 'next-connect'
 import rateLimit from 'express-rate-limit'
 
@@ -22,6 +23,11 @@ const RequestHandler = () =>
 		onNoMatch(_req, res) {
 			return ResponseWrapper(res, { code: 405 })
 		},
+		onError(err, _req, res) {
+			console.error(err)
+			Sentry.captureException(err)
+			return ResponseWrapper(res, { code: 500 })
+		}
 	})
 		.use(limiter)
 
diff --git a/utils/Tools.ts b/utils/Tools.ts
index ea44711..5f8e52a 100644
--- a/utils/Tools.ts
+++ b/utils/Tools.ts
@@ -1,11 +1,13 @@
+import { NextRouter } from 'next/router'
+import { inspect as utilInspect } from 'util'
 import { createHmac } from 'crypto'
 import { Readable } from 'stream'
 import cookie from 'cookie'
+import * as difflib from 'difflib'
 
 import { BotFlags, ImageOptions, UserFlags } from '@types'
 import Logger from '@utils/Logger'
 import { BASE_URLs, KoreanbotsEndPoints, Oauth } from '@utils/Constants'
-import { NextRouter } from 'next/router'
 
 export function handlePWA(): boolean {
 	let displayMode = 'browser'
@@ -56,6 +58,30 @@ export function serialize<T>(data: T): T {
 	return JSON.parse(JSON.stringify(data))
 }
 
+export function diff(original: string, current: string, header=false, sep='\n', join?: string) {
+	return difflib.unifiedDiff(original.split(sep), current.split(sep)).slice(header ? 2 : 3).join(join ?? sep)
+}
+
+export function objectDiff(original: Record<string, string>, current: Record<string, string>): [string, (string|null)[] ][] {
+	const obj: Record<string, string[]> = {}
+	Object.entries(original).forEach(k =>
+		obj[k[0]] = [ k[1] ]
+	)
+	Object.entries(current).forEach(k => {
+		if(!obj[k[0]]) obj[k[0]] = []
+		obj[k[0]][1] = k[1]
+	})
+	return Object.entries(obj).filter(k => k[1][0] !== k[1][1])
+}
+
+export function makeDiscordCodeblock(content: string, lang?: string): string {
+	return `\`\`\`${lang || ''}\n${content.replace(/```/g, '\\`\\`\\`')}\n\`\`\``
+}
+
+export function inspect(object: unknown) {
+	return utilInspect(object, { depth: Infinity, maxArrayLength: Infinity, maxStringLength: Infinity})
+}
+
 export function supportsWebP() {
 	const elem = document.createElement('canvas')
 	if (elem.getContext && elem.getContext('2d')) {
diff --git a/yarn.lock b/yarn.lock
index 48222b4..be0cdf7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3663,6 +3663,13 @@ diffie-hellman@^5.0.0:
     miller-rabin "^4.0.0"
     randombytes "^2.0.0"
 
+difflib@0.2.4:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/difflib/-/difflib-0.2.4.tgz#b5e30361a6db023176d562892db85940a718f47e"
+  integrity sha1-teMDYabbAjF21WKJLbhZQKcY9H4=
+  dependencies:
+    heap ">= 0.2.0"
+
 dir-glob@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-3.0.1.tgz#56dbf73d992a4a93ba1584f4534063fd2e41717f"
@@ -4812,6 +4819,11 @@ he@1.2.0:
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
+"heap@>= 0.2.0":
+  version "0.2.6"
+  resolved "https://registry.yarnpkg.com/heap/-/heap-0.2.6.tgz#087e1f10b046932fc8594dd9e6d378afc9d1e5ac"
+  integrity sha1-CH4fELBGky/IWU3Z5tN4r8nR5aw=
+
 hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"