diff --git a/packages/server/src/account/account.repository.ts b/packages/server/src/account/account.repository.ts
index ba498e38..1dc4a81f 100644
--- a/packages/server/src/account/account.repository.ts
+++ b/packages/server/src/account/account.repository.ts
@@ -1,4 +1,4 @@
-import { DataSource, Repository } from 'typeorm';
+import { DataSource, Repository, QueryRunner } from 'typeorm';
 import { Account } from './account.entity';
 import { Injectable } from '@nestjs/common';
 import { User } from 'src/auth/user.entity';
@@ -12,7 +12,7 @@ export class AccountRepository extends Repository<Account> {
 		const account = new Account();
 		account.KRW = 300000000;
 		account.USDT = 300000;
-		account.BTC = 10;
+		account.BTC = 0;
 		account.user = adminUser;
 		await this.save(account);
 		console.log('admin 계정에 Account가 성공적으로 생성되었습니다.');
@@ -26,15 +26,27 @@ export class AccountRepository extends Repository<Account> {
 		return account[moneyType];
 	}
 	async updateAccountCurrency(typeGiven, accountBalance, accountId, queryRunner) {
-    try{
-      const updateData = {
-        id: accountId,
-        [typeGiven]: accountBalance,
-      };
-
-		await queryRunner.manager.save(Account, updateData);
-    }catch(error){
-      console.log(error)
-    }
+		try{
+			await queryRunner.manager
+				.createQueryBuilder()
+				.update(Account)
+				.set({ 
+					[typeGiven]: accountBalance,
+				})
+				.where('id = :id', { id: accountId })
+				.execute();
+		}catch(error){
+		console.log(error)
+		}
+	}
+	async updateAccountBTC(id, quantity, queryRunner){
+		await queryRunner.manager
+        .createQueryBuilder()
+        .update(Account)
+        .set({ 
+          BTC: quantity,
+        })
+        .where('id = :id', { id: id })
+        .execute();
 	}
 }
diff --git a/packages/server/src/asset/asset.repository.ts b/packages/server/src/asset/asset.repository.ts
index db320c69..57bb7678 100644
--- a/packages/server/src/asset/asset.repository.ts
+++ b/packages/server/src/asset/asset.repository.ts
@@ -52,7 +52,10 @@ export class AssetRepository extends Repository<Asset> {
       await queryRunner.manager
         .createQueryBuilder()
         .update(Asset)
-        .set({ price: asset.price })
+        .set({ 
+          price: asset.price,
+          quantity: asset.quantity
+        })
         .where('assetId = :assetId', { assetId: asset.assetId })
         .execute();
     } catch (e) {
diff --git a/packages/server/src/auth/auth.service.ts b/packages/server/src/auth/auth.service.ts
index c3e4415d..f638745c 100644
--- a/packages/server/src/auth/auth.service.ts
+++ b/packages/server/src/auth/auth.service.ts
@@ -88,15 +88,19 @@ export class AuthService {
 	}
 
 	async logout(userId: number): Promise<{ message: string }> {
-		const user = await this.userRepository.findOneBy({ id: userId });
+		try{
+			const user = await this.userRepository.findOneBy({ id: userId });
 
-		if (!user) {
-			throw new Error('User not found');
-		}
+			if (!user) {
+				throw new Error('User not found');
+			}
 
-		if (user.isGuest) {
-			await this.userRepository.delete({ id: userId });
-			return { message: 'Guest user data successfully deleted' };
+			if (user.isGuest) {
+				await this.userRepository.delete({ id: userId });
+				return { message: 'Guest user data successfully deleted' };
+			}
+		}catch(error){
+			console.error(error)
 		}
 	}
 
diff --git a/packages/server/src/auth/constants.ts b/packages/server/src/auth/constants.ts
index 11f765eb..06bd4fce 100644
--- a/packages/server/src/auth/constants.ts
+++ b/packages/server/src/auth/constants.ts
@@ -5,4 +5,4 @@ export const jwtConstants = {
 
 export const DEFAULT_KRW = 30000000;
 export const DEFAULT_USDT = 300000;
-export const DEFAULT_BTC = 10;
+export const DEFAULT_BTC = 0;
diff --git a/packages/server/src/trade/trade-ask.service.ts b/packages/server/src/trade/trade-ask.service.ts
index 199d7e09..7e4222dd 100644
--- a/packages/server/src/trade/trade-ask.service.ts
+++ b/packages/server/src/trade/trade-ask.service.ts
@@ -31,9 +31,12 @@ export class AskService implements OnModuleInit {
 	}
 
 	async calculatePercentBuy(user, moneyType: string, percent: number) {
+		const account = await this.accountRepository.findOne({
+			where : {user: {id: user.userId}}
+		})
 		const asset = await this.assetRepository.findOne({
 			where:{
-				account: {id: user.userId},
+				account: {id: account.id},
 				assetName: moneyType
 			}
 		})
@@ -58,24 +61,10 @@ export class AskService implements OnModuleInit {
 					code: 422,
 				});
 			}
-			const userAsset = await this.checkCurrency(user, askDto, queryRunner);
-			userAsset.quantity -= askDto.receivedAmount
-			if(userAsset.quantity !==0){
-				await this.assetRepository.updateAssetQuantity(
-					userAsset,
-					queryRunner,
-				)
-			}else {
-				await this.assetRepository.delete({
-					assetId: userAsset.assetId
-				})
-			}
+
 			await this.tradeRepository.createTrade(askDto, user.userId,'sell', queryRunner);
 			await queryRunner.commitTransaction();
-			const temp = await this.assetRepository.findOne({
-				where: {assetId: userAsset.assetId}
-			})
-			console.log(temp.quantity)
+			
 			return {
 				code: 200,
 				message: '거래가 정상적으로 등록되었습니다.',
@@ -121,12 +110,16 @@ export class AskService implements OnModuleInit {
 			userId,
 		} = askDto;
 		try {
+			const account = await this.accountRepository.findOne({
+				where: { user : { id : userId } }
+			})
 			const userAsset = await this.assetRepository.findOne({
 				where: {
-					account: { id: userId },
+					account: { id: account.id },
 					assetName: typeGiven
 				},
 			});
+			if(!userAsset) return;
 			askDto.assetBalance = userAsset.quantity;
 			askDto.asset = userAsset;
 			const currentCoinOrderbook =
@@ -138,6 +131,12 @@ export class AskService implements OnModuleInit {
 				});
 				if (!tradeData) break;
 				const result = await this.executeTrade(askDto, order, tradeData);
+				if(askDto.asset.quantity ===0){
+					await this.assetRepository.delete({
+						assetId: askDto.asset.assetId
+					})
+					break;
+				}
 				if (!result) break;
 			}
 
@@ -160,7 +159,9 @@ export class AskService implements OnModuleInit {
 			userId,
 			tradeId,
 			asset,
+			typeGiven,
 			assetBalance,
+			typeReceived,
 			krw
 		} = askDto;
 		let result = false;
@@ -168,7 +169,7 @@ export class AskService implements OnModuleInit {
 			const buyData = { ...tradeData };
 			buyData.quantity =
 				tradeData.quantity >= bid_size ? bid_size : tradeData.quantity;
-			buyData.price = bid_price;
+			buyData.price = bid_price * krw;
 			await this.tradeHistoryRepository.createTradeHistory(
 				userId,
 				buyData,
@@ -177,21 +178,36 @@ export class AskService implements OnModuleInit {
 
 			if (assetBalance !== 0) {
 				asset.price =
-					asset.price * asset.quantity - krw * buyData.quantity;
+					asset.price - buyData.price * buyData.quantity;
+				asset.quantity -= buyData.quantity;
 				await this.assetRepository.updateAssetPrice(asset, queryRunner);
+			}
+
+			const account = await this.accountRepository.findOne({
+				where: { user : { id : userId } }
+			})
 
+			if(typeGiven === "BTC"){
+				const BTC_QUANTITY = account.BTC - buyData.quantity
+				await this.accountRepository.updateAccountBTC(account.id, BTC_QUANTITY, queryRunner)
 			}
+			const change = account[typeReceived] + buyData.price * buyData.quantity
+			console.log("account : "+account[typeReceived])
+			console.log("change : "+buyData.price*buyData.quantity)
+			console.log("result : "+change)
+			await this.accountRepository.updateAccountCurrency(typeReceived, change, account.id, queryRunner)
+			
 
 			tradeData.quantity -= buyData.quantity;
 
 			if (tradeData.quantity === 0) {
 				await this.tradeRepository.deleteTrade(tradeId, queryRunner);
-			} else
+			} else{
 				await this.tradeRepository.updateTradeTransaction(
 					tradeData,
 					queryRunner,
 				);
-
+			}
 			await queryRunner.commitTransaction();
 			result = true;
 		} catch (error) {
@@ -233,6 +249,8 @@ export class AskService implements OnModuleInit {
 			});
 			const availableTrades = await this.tradeRepository.searchSellTrade(coinPrice);
 			availableTrades.forEach((trade) => {
+				const krw = coinLatestInfo.get(["KRW",trade.tradeCurrency].join("-")).trade_price;
+				const another = coinLatestInfo.get([trade.assetName,trade.tradeCurrency].join("-")).trade_price;
 				const askDto = {
 					userId: trade.user.id,
 					typeGiven: trade.tradeCurrency, //건네주는 통화
@@ -240,7 +258,7 @@ export class AskService implements OnModuleInit {
 					receivedPrice: trade.price, //건네받을 통화 가격
 					receivedAmount: trade.quantity, //건네 받을 통화 갯수
 					tradeId: trade.tradeId,
-					krw: coinLatestInfo.get(["KRW",trade.assetName].join("-")),
+					krw: another/krw
 				};
 				this.askTradeService(askDto);
 			});
diff --git a/packages/server/src/trade/trade-bid.service.ts b/packages/server/src/trade/trade-bid.service.ts
index fb84ec61..37f531a9 100644
--- a/packages/server/src/trade/trade-bid.service.ts
+++ b/packages/server/src/trade/trade-bid.service.ts
@@ -89,11 +89,8 @@ export class BidService implements OnModuleInit {
 		});
 		const accountBalance = userAccount[typeGiven];
 		const accountResult = accountBalance - givenAmount;
-		console.error(`accountResult : ${accountResult}`)
+		
 		if (accountResult < 0){
-			console.error(`매수 희망 금액 : ${givenAmount}`)
-			console.error(`계좌 잔액 : ${accountBalance}`)
-			console.error(`accountResult : ${accountResult}`)
 			throw new UnprocessableEntityException({
 				message: '자산이 부족합니다.',
 				code: 422,
@@ -111,17 +108,17 @@ export class BidService implements OnModuleInit {
 			userId,
 		} = bidDto;
 		try {
-			const account = await this.accountRepository.findOne({
-				where: {
-					user: { id: userId },
-				},
-			});
-			bidDto.accountBalance = account[typeGiven];
-			bidDto.account = account;
 			const currentCoinOrderbook =
 				this.coinDataUpdaterService.getCoinOrderbookByBid(bidDto);
 			for(const order of currentCoinOrderbook){
 				if (order.ask_price > receivedPrice) break;
+				const account = await this.accountRepository.findOne({
+					where: {
+						user: { id: userId },
+					},
+				});
+				bidDto.accountBalance = account[typeGiven];
+				bidDto.account = account;
 				const tradeData = await this.tradeRepository.findOne({
 					where: { tradeId: tradeId },
 				});
@@ -156,9 +153,9 @@ export class BidService implements OnModuleInit {
 		let result = false;
 		try {
 			const buyData = {...tradeData};
-
+			
 			buyData.quantity = buyData.quantity >= ask_size ? ask_size : buyData.quantity;
-			buyData.price = ask_price;
+			buyData.price = ask_price * krw;
 
 			await this.tradeHistoryRepository.createTradeHistory(
 				userId,
@@ -167,34 +164,40 @@ export class BidService implements OnModuleInit {
 			);
 
 			const asset = await this.assetRepository.findOne({
-				where: { account: {id: account.accountId}, assetName: typeReceived },
+				where: { account: {id: account.id}, assetName: typeReceived },
 			});
 
 			if (asset) {
 				asset.price =
-					asset.price * asset.quantity + krw * buyData.quantity;
+					asset.price + buyData.price * buyData.quantity;
 				asset.quantity += buyData.quantity;
 
 				await this.assetRepository.updateAssetQuantityPrice(asset, queryRunner);
 			} else {
 				await this.assetRepository.createAsset(
 					bidDto,
-					buyData.price,
+					buyData.price * buyData.quantity,
 					buyData.quantity,
 					queryRunner,
 				);
 			}
-
+			
 			tradeData.quantity -= buyData.quantity;
 			
 			if (tradeData.quantity === 0) {
 				await this.tradeRepository.deleteTrade(tradeId, queryRunner);
 			} else await this.tradeRepository.updateTradeTransaction(tradeData, queryRunner);
-			const temp = await this.tradeRepository.findOne({
-				where: {tradeId: tradeData.tradeId}
-			})
+
 			const change = (tradeData.price - buyData.price) * buyData.quantity;
 			const returnChange = change + account[typeGiven]
+			const new_asset = await this.assetRepository.findOne({
+				where: {account:{id:account.id}, assetName: "BTC"}
+			})
+
+			if(typeReceived === "BTC"){
+				const BTC_QUANTITY = new_asset ? asset.quantity : buyData.quantity;
+				await this.accountRepository.updateAccountBTC(account.id, BTC_QUANTITY, queryRunner)
+			}
 
 			await this.accountRepository.updateAccountCurrency(typeGiven,returnChange, account.id, queryRunner);
 
@@ -239,6 +242,8 @@ export class BidService implements OnModuleInit {
 			});
 			const availableTrades = await this.tradeRepository.searchBuyTrade(coinPrice);
 			availableTrades.forEach((trade) => {
+				const krw = coinLatestInfo.get(["KRW",trade.assetName].join("-")).trade_price
+				const another = coinLatestInfo.get([trade.tradeCurrency,trade.assetName].join("-")).trade_price
 				const bidDto = {
 					userId: trade.user.id,
 					typeGiven: trade.tradeCurrency, //건네주는 통화
@@ -246,7 +251,7 @@ export class BidService implements OnModuleInit {
 					receivedPrice: trade.price, //건네받을 통화 가격
 					receivedAmount: trade.quantity, //건네 받을 통화 갯수
 					tradeId: trade.tradeId,
-					krw: coinLatestInfo.get(["KRW",trade.assetName].join("-")),
+					krw: another/krw
 				};
 				this.bidTradeService(bidDto);
 			});