diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothServiceImpl.java b/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothServiceImpl.java
index 11e4327..18989ff 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothServiceImpl.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/booth/service/BoothServiceImpl.java
@@ -12,6 +12,7 @@
 import LlikelionKNU.KNUfest.domain.user.repository.UserBoothRepository;
 import LlikelionKNU.KNUfest.domain.user.service.UserService;
 import LlikelionKNU.KNUfest.global.error.NoExistException;
+import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -20,6 +21,7 @@
 import java.util.Optional;
 
 @Service
+@Transactional
 @RequiredArgsConstructor
 public class BoothServiceImpl implements BoothService{
 
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentServiceImpl.java b/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentServiceImpl.java
index 7bd8ad1..302e4aa 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentServiceImpl.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/comment/service/CommentServiceImpl.java
@@ -10,6 +10,7 @@
 import LlikelionKNU.KNUfest.domain.user.service.UserService;
 import LlikelionKNU.KNUfest.global.error.NoExistException;
 import LlikelionKNU.KNUfest.global.error.UserHashWrongException;
+import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -18,6 +19,7 @@
 import java.util.Optional;
 
 @Service
+@Transactional
 @RequiredArgsConstructor
 public class CommentServiceImpl implements CommentService{
     private final CommentRepository commentRepository;
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserCountServiceImpl.java b/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserCountServiceImpl.java
index 5c432a6..b33673f 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserCountServiceImpl.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserCountServiceImpl.java
@@ -3,12 +3,14 @@
 import LlikelionKNU.KNUfest.domain.user.entity.UserCountEntity;
 import LlikelionKNU.KNUfest.domain.user.repository.UserCountRepository;
 import LlikelionKNU.KNUfest.global.error.NoExistException;
+import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import java.util.Optional;
 
 @Service
+@Transactional
 @RequiredArgsConstructor
 public class UserCountServiceImpl implements UserCountService {
     private final UserCountRepository userCountRepository;
diff --git a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserServiceImpl.java b/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserServiceImpl.java
index a395d3d..2d18d21 100644
--- a/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserServiceImpl.java
+++ b/src/main/java/LlikelionKNU/KNUfest/domain/user/service/UserServiceImpl.java
@@ -5,12 +5,14 @@
 import LlikelionKNU.KNUfest.domain.user.repository.UserCountRepository;
 import LlikelionKNU.KNUfest.domain.user.repository.UserRepository;
 import LlikelionKNU.KNUfest.global.error.NoExistException;
+import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import java.util.Optional;
 
 @Service
+@Transactional
 @RequiredArgsConstructor
 public class UserServiceImpl implements UserService{
     private final UserRepository userRepository;
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index c35c147..f85324e 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -1,8 +1,8 @@
 spring:
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://mysql-withvol:3306/knufest?serverTimezone=Asia/Seoul
-    username: user
+    url: jdbc:mysql://localhost:3306/knufest?serverTimezone=Asia/Seoul
+    username: root
     password: 1234
 
   jpa: