diff --git a/modules/infrastructure/log-writer/build.gradle b/modules/infrastructure/log-writer/build.gradle
index 026945d..eb83b5b 100644
--- a/modules/infrastructure/log-writer/build.gradle
+++ b/modules/infrastructure/log-writer/build.gradle
@@ -14,6 +14,7 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.17.2'
 
     runtimeOnly 'com.mysql:mysql-connector-j:8.3.0'
+    runtimeOnly 'org.mariadb.jdbc:mariadb-java-client:3.1.4'
 
     testImplementation platform('org.junit:junit-bom:5.10.0')
     testImplementation 'org.junit.jupiter:junit-jupiter'
diff --git a/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/BiValidator.java b/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/BiValidator.java
index a6e859d..eadec0e 100644
--- a/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/BiValidator.java
+++ b/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/BiValidator.java
@@ -2,7 +2,7 @@
 
 @FunctionalInterface
 public interface BiValidator<T, U>{
-    ValidationResult getValidationResult(T t, U u);
+    ValidationResult getValidationResult(T target1, U target2);
 
     default void validate(T target1, U target2){
         ValidationResult validationResult = getValidationResult(target1, target2);
diff --git a/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/ValidationException.java b/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/ValidationException.java
index 79ce5c7..8b408f8 100644
--- a/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/ValidationException.java
+++ b/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/ValidationException.java
@@ -1,7 +1,5 @@
 package com.whoz_in.log_writer.common.validation;
 
-import java.util.stream.Collectors;
-
 public class ValidationException extends RuntimeException{
 
     public ValidationException(String message) {
diff --git a/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/ValidationResult.java b/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/ValidationResult.java
index 32519a6..9ceeaeb 100644
--- a/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/ValidationResult.java
+++ b/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/ValidationResult.java
@@ -4,7 +4,8 @@
 import java.util.Collection;
 import java.util.List;
 
-public class ValidationResult {
+//Validator가 검증 실패한 내용을 담는 객체
+public final class ValidationResult {
     private final List<String> errors;
 
     public ValidationResult() {
diff --git a/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/Validator.java b/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/Validator.java
index 5c8f143..fab758e 100644
--- a/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/Validator.java
+++ b/modules/infrastructure/log-writer/src/main/java/com/whoz_in/log_writer/common/validation/Validator.java
@@ -4,7 +4,7 @@
 //검증 원인을 여러 개 담고 싶었는데, Spring Validator는 단일 객체를 대상으로 하는 필드 중심 검증이기 때문에 만듦
 @FunctionalInterface
 public interface Validator<T> {
-    ValidationResult getValidationResult(T t);
+    ValidationResult getValidationResult(T target);
 
     default void validate(T target){
         ValidationResult validationResult = getValidationResult(target);