diff --git a/build.gradle.kts b/build.gradle.kts
index 1acc9fc..71fee99 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,94 +1,53 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+import org.springframework.boot.gradle.tasks.bundling.BootJar
 
 plugins {
 	id("org.springframework.boot") version "3.2.3"
 	id("io.spring.dependency-management") version "1.1.4"
 	kotlin("jvm") version "1.9.22"
 	kotlin("plugin.spring") version "1.9.22"
-	kotlin("plugin.jpa") version "1.9.22"
 }
 
-group = "com.KY"
-version = "0.0.1-SNAPSHOT"
+val jar: Jar by tasks
+val bootJar: BootJar by tasks
 
-java {
-	sourceCompatibility = JavaVersion.VERSION_17
-	targetCompatibility = JavaVersion.VERSION_17
-}
+bootJar.enabled = false
+jar.enabled = true
 
-configurations {
-	compileOnly {
-		extendsFrom(configurations.annotationProcessor.get())
+allprojects{
+	group = "com.van1164"
+	version = "0.0.1-SNAPSHOT"
+	repositories {
+		mavenCentral()
 	}
 }
 
-repositories {
-	mavenCentral()
-}
-
-dependencies {
-	implementation("org.springframework.boot:spring-boot-starter-batch")
-	implementation("org.springframework.boot:spring-boot-starter-data-jdbc")
-	implementation("org.springframework.boot:spring-boot-starter-data-jpa")
-	implementation("org.springframework.boot:spring-boot-starter-data-redis-reactive")
-	implementation("org.springframework.boot:spring-boot-starter-oauth2-authorization-server")
-
-	implementation("org.springframework.boot:spring-boot-starter-security")
-
-	implementation("org.springframework.boot:spring-boot-starter-webflux")
-	implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
-	implementation("io.projectreactor.kotlin:reactor-kotlin-extensions")
-	implementation("org.apache.kafka:kafka-streams")
-	implementation("org.jetbrains.kotlin:kotlin-reflect")
-	implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor")
-	implementation("com.amazonaws:aws-java-sdk-s3:1.12.638")
-	implementation("net.bramp.ffmpeg:ffmpeg:0.8.0")
-	implementation("org.springframework.boot:spring-boot-starter-thymeleaf:3.2.3")
-
-	compileOnly("org.projectlombok:lombok")
-	runtimeOnly("com.mysql:mysql-connector-j")
-	annotationProcessor("org.projectlombok:lombok")
-	testImplementation("org.springframework.boot:spring-boot-starter-test")
-	testImplementation("io.projectreactor:reactor-test")
-	testImplementation("org.springframework.batch:spring-batch-test")
-	testImplementation("org.springframework.security:spring-security-test")
-	implementation("io.github.microutils:kotlin-logging:1.12.0")
-
-	//oAuth2
-	implementation("org.springframework.boot:spring-boot-starter-oauth2-client")
-
-	//jwt
-	implementation("io.jsonwebtoken:jjwt-api:0.11.5")
-	runtimeOnly("io.jsonwebtoken:jjwt-impl:0.11.5")
-	runtimeOnly("io.jsonwebtoken:jjwt-jackson:0.11.5")
-
-	implementation("org.springframework.boot:spring-boot-starter-data-r2dbc")
-	implementation("com.github.jasync-sql:jasync-r2dbc-mysql:2.2.0")
-
-	testImplementation("io.projectreactor:reactor-test:3.6.5")
-
-	// kotest
-	testImplementation("io.kotest:kotest-runner-junit5:5.4.2")
-	testImplementation("io.kotest:kotest-assertions-core:5.4.2")
-	testImplementation("io.kotest.extensions:kotest-extensions-spring:1.1.2")
-
-	// mockk
-	testImplementation("io.mockk:mockk:1.13.8")
-
-}
-
 subprojects {
-	group = "com.KY"
-	version = "0.0.1-SNAPSHOT"
-
-
-	apply(plugin = "org.springframework.boot")
-	apply(plugin = "io.spring.dependency-management")
-	apply(plugin = "org.jetbrains.kotlin.jvm")
-	apply(plugin = "org.jetbrains.kotlin.plugin.spring")
-	apply(plugin = "org.jetbrains.kotlin.plugin.jpa")
-
+	apply {
+		plugin("org.springframework.boot")
+		plugin("io.spring.dependency-management")
+		plugin("org.jetbrains.kotlin.plugin.spring")
+		plugin("org.jetbrains.kotlin.jvm")
+		plugin("kotlin")
+		plugin("kotlin-kapt")
+	}
+//	apply(plugin = "org.springframework.boot")
+//	apply(plugin = "io.spring.dependency-management")
+//	apply(plugin = "org.jetbrains.kotlin.plugin.spring")
+//	apply(plugin = "org.jetbrains.kotlin.plugin.jpa")
+//	apply(plugin = "kotlin")
+//	apply(plugin = "kotlin-kapt")
+
+
+//	configurations {
+//		compileOnly {
+//			extendsFrom(configurations.annotationProcessor.get())
+//		}
+//	}
+	java.sourceCompatibility = JavaVersion.VERSION_17
+	java.targetCompatibility = JavaVersion.VERSION_17
 	dependencies {
+		testImplementation("org.jetbrains.kotlin:kotlin-test")
 		implementation("org.jetbrains.kotlin:kotlin-reflect")
 		implementation("org.springframework.boot:spring-boot-starter-webflux")
 		implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
@@ -97,7 +56,7 @@ subprojects {
 		compileOnly("org.projectlombok:lombok")
 		runtimeOnly("com.mysql:mysql-connector-j")
 		annotationProcessor("org.projectlombok:lombok")
-		testImplementation("org.springframework.boot:spring-boot-starter-test")
+
 		testImplementation("io.projectreactor:reactor-test")
 		implementation("org.springframework.boot:spring-boot-starter-data-r2dbc")
 		implementation("com.github.jasync-sql:jasync-r2dbc-mysql:2.2.0")
@@ -120,36 +79,25 @@ subprojects {
 		implementation("org.springdoc:springdoc-openapi-starter-webflux-ui:2.5.0")
 		implementation("org.springdoc:springdoc-openapi-starter-webflux-api:2.5.0")
 
-		//
-	}
-
-	configurations {
-		compileOnly {
-			extendsFrom(configurations.annotationProcessor.get())
+		testImplementation("org.springframework.boot:spring-boot-starter-test") {
+			exclude(group = "org.junit.vintage", module = "junit-vintage-engine")
 		}
-	}
-	java {
-		sourceCompatibility = JavaVersion.VERSION_17
-		targetCompatibility = JavaVersion.VERSION_17
+		testImplementation("org.junit.jupiter:junit-jupiter-api")
+		testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+
 	}
 
 	tasks.withType<KotlinCompile> {
 		kotlinOptions {
-			freeCompilerArgs += "-Xjsr305=strict"
+			freeCompilerArgs += "-Xjsr305=strict -Dfile.encoding=UTF-8"
 			jvmTarget = "17"
 		}
 	}
 
-}
-
-tasks.withType<KotlinCompile> {
-	kotlinOptions {
-		freeCompilerArgs += "-Xjsr305=strict"
-		jvmTarget = "17"
+	tasks.withType<Test> {
+		systemProperty("file.encoding","UTF-8")
+		useJUnitPlatform()
 	}
-}
 
-tasks.withType<Test> {
-	useJUnitPlatform()
 }
 
diff --git a/comment/build.gradle.kts b/comment/build.gradle.kts
index e17b2e3..0af3446 100644
--- a/comment/build.gradle.kts
+++ b/comment/build.gradle.kts
@@ -1,11 +1,5 @@
 import org.springframework.boot.gradle.tasks.bundling.BootJar
 
-plugins {
-    kotlin("jvm") version "1.9.22"
-}
-
-group = "com.van1164"
-version = "0.0.1-SNAPSHOT"
 
 repositories {
     mavenCentral()
@@ -15,13 +9,15 @@ val bootJar: BootJar by tasks
 
 bootJar.enabled = false
 jar.enabled = true
+
 dependencies {
+    testImplementation("org.jetbrains.kotlin:kotlin-test")
     implementation(project(":util"))
     implementation(project(":user"))
     implementation(project(":security"))
-    implementation(project(":main"))
+    implementation(project(":main_module"))
 }
 
-tasks.test {
+tasks.withType<Test> {
     useJUnitPlatform()
 }
diff --git a/gradle.properties b/gradle.properties
index e69de29..7711b30 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -0,0 +1,7 @@
+### Project dependency versions ###
+kotlinVersion=1.9.22
+javaVersion=21
+
+### Spring dependency versions ###
+springBootVersion=3.2.3
+springDependencyManagementVersion=1.1.4
diff --git a/live_stream/build.gradle.kts b/live_stream/build.gradle.kts
index 8fbf039..8c6002e 100644
--- a/live_stream/build.gradle.kts
+++ b/live_stream/build.gradle.kts
@@ -1,10 +1,10 @@
-plugins {
-    kotlin("jvm")
-}
+import org.springframework.boot.gradle.tasks.bundling.BootJar
 
-group = "com.van1164"
-version = "0.0.1-SNAPSHOT"
+val jar: Jar by tasks
+val bootJar: BootJar by tasks
 
+bootJar.enabled = false
+jar.enabled = true
 repositories {
     mavenCentral()
 }
@@ -15,7 +15,4 @@ dependencies {
 
 tasks.test {
     useJUnitPlatform()
-}
-kotlin {
-    jvmToolchain(20)
 }
\ No newline at end of file
diff --git a/main_module/build.gradle.kts b/main_module/build.gradle.kts
new file mode 100644
index 0000000..9bb9ef6
--- /dev/null
+++ b/main_module/build.gradle.kts
@@ -0,0 +1,21 @@
+import org.springframework.boot.gradle.tasks.bundling.BootJar
+
+val jar: Jar by tasks
+val bootJar: BootJar by tasks
+
+bootJar.enabled = false
+jar.enabled = true
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation("org.jetbrains.kotlin:kotlin-test")
+    implementation(project(":util"))
+    implementation(project(":security"))
+    implementation(project(":user"))
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
\ No newline at end of file
diff --git a/main_module/src/main/kotlin/com/van1164/main_module/MainController.kt b/main_module/src/main/kotlin/com/van1164/main_module/MainController.kt
index 5a10c66..455a3d2 100644
--- a/main_module/src/main/kotlin/com/van1164/main_module/MainController.kt
+++ b/main_module/src/main/kotlin/com/van1164/main_module/MainController.kt
@@ -1,4 +1,4 @@
-package com.van1164.main
+package com.van1164.main_module
 
 import com.van1164.common.util.Utils.logger
 import com.van1164.security.JwtTokenProvider
diff --git a/main_module/src/main/kotlin/com/van1164/main_module/MainRepository.kt b/main_module/src/main/kotlin/com/van1164/main_module/MainRepository.kt
index 40c76c0..addaa1f 100644
--- a/main_module/src/main/kotlin/com/van1164/main_module/MainRepository.kt
+++ b/main_module/src/main/kotlin/com/van1164/main_module/MainRepository.kt
@@ -1,4 +1,4 @@
-package com.van1164.main
+package com.van1164.main_module
 
 import org.springframework.stereotype.Repository
 
diff --git a/main_module/src/main/kotlin/com/van1164/main_module/MainRestController.kt b/main_module/src/main/kotlin/com/van1164/main_module/MainRestController.kt
index a0bc847..c9f6739 100644
--- a/main_module/src/main/kotlin/com/van1164/main_module/MainRestController.kt
+++ b/main_module/src/main/kotlin/com/van1164/main_module/MainRestController.kt
@@ -1,11 +1,11 @@
-package com.van1164.main
+package com.van1164.main_module
 
 import com.van1164.common.response.MainResponse
 import com.van1164.common.util.Utils.logger
+import com.van1164.main_module.MainService
 import org.springframework.http.HttpHeaders
 import org.springframework.http.HttpStatus
 import org.springframework.http.ResponseEntity
-import org.springframework.security.core.annotation.AuthenticationPrincipal
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
diff --git a/main_module/src/main/kotlin/com/van1164/main_module/MainService.kt b/main_module/src/main/kotlin/com/van1164/main_module/MainService.kt
index ba01a9f..71a7b44 100644
--- a/main_module/src/main/kotlin/com/van1164/main_module/MainService.kt
+++ b/main_module/src/main/kotlin/com/van1164/main_module/MainService.kt
@@ -1,8 +1,8 @@
-package com.van1164.main
+package com.van1164.main_module
 
 
 import com.van1164.common.response.MainResponse
-import com.van1164.main.live.LiveReadService
+import com.van1164.main_module.live.LiveReadService
 import com.van1164.main.video.VideoReadService
 import org.springframework.stereotype.Service
 import reactor.core.publisher.Mono
diff --git a/main_module/src/main/kotlin/com/van1164/main_module/live/LiveReadRepository.kt b/main_module/src/main/kotlin/com/van1164/main_module/live/LiveReadRepository.kt
index 2c512d2..8b8ff90 100644
--- a/main_module/src/main/kotlin/com/van1164/main_module/live/LiveReadRepository.kt
+++ b/main_module/src/main/kotlin/com/van1164/main_module/live/LiveReadRepository.kt
@@ -1,4 +1,4 @@
-package com.van1164.main.live
+package com.van1164.main_module.live
 
 import com.van1164.common.domain.LiveStream
 import org.springframework.data.r2dbc.repository.R2dbcRepository
diff --git a/main_module/src/main/kotlin/com/van1164/main_module/live/LiveReadService.kt b/main_module/src/main/kotlin/com/van1164/main_module/live/LiveReadService.kt
index bcc2f98..5ecfdca 100644
--- a/main_module/src/main/kotlin/com/van1164/main_module/live/LiveReadService.kt
+++ b/main_module/src/main/kotlin/com/van1164/main_module/live/LiveReadService.kt
@@ -1,6 +1,7 @@
-package com.van1164.main.live
+package com.van1164.main_module.live
 
 import com.van1164.common.domain.LiveStream
+import com.van1164.main_module.live.LiveReadRepository
 import org.springframework.data.r2dbc.repository.config.EnableR2dbcRepositories
 import org.springframework.stereotype.Service
 import reactor.core.publisher.Flux
diff --git a/main_module/src/main/resources/application.properties b/main_module/src/main/resources/application.properties
new file mode 100644
index 0000000..aa0599a
--- /dev/null
+++ b/main_module/src/main/resources/application.properties
@@ -0,0 +1 @@
+spring.application.name=main_module
diff --git a/security/build.gradle.kts b/security/build.gradle.kts
index 6326e5c..4123d3c 100644
--- a/security/build.gradle.kts
+++ b/security/build.gradle.kts
@@ -33,9 +33,6 @@ dependencies {
     implementation(project(":user"))
 }
 
-tasks.test {
+tasks.withType<Test> {
     useJUnitPlatform()
 }
-kotlin {
-    jvmToolchain(20)
-}
\ No newline at end of file
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 7f26554..db83352 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,11 +1,27 @@
-plugins {
-    id("org.gradle.toolchains.foojay-resolver-convention") version "0.5.0"
-}
 rootProject.name = "KoreanYoutube"
 include("video")
 include("user")
 include("security")
 include("live_stream")
 include("util")
-include("main")
-include("comment")
\ No newline at end of file
+include("comment")
+include("main_module")
+
+pluginManagement {
+    val kotlinVersion: String by settings
+    val springBootVersion: String by settings
+    val springDependencyManagementVersion: String by settings
+
+    resolutionStrategy {
+        eachPlugin {
+            when (requested.id.id) {
+                "org.jetbrains.kotlin.jvm" -> useVersion(kotlinVersion)
+                "org.jetbrains.kotlin.plugin.spring" -> useVersion(kotlinVersion)
+                "org.jetbrains.kotlin.plugin.jpa" -> useVersion(kotlinVersion)
+                "org.jetbrains.kotlin.kapt" -> useVersion(kotlinVersion)
+                "org.springframework.boot" -> useVersion(springBootVersion)
+                "io.spring.dependency-management" -> useVersion(springDependencyManagementVersion)
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/user/build.gradle.kts b/user/build.gradle.kts
index a354ae6..a60a688 100644
--- a/user/build.gradle.kts
+++ b/user/build.gradle.kts
@@ -22,10 +22,6 @@ dependencies {
     implementation(project(":util"))
 }
 
-tasks.test {
+tasks.withType<Test> {
     useJUnitPlatform()
 }
-kotlin {
-    jvmToolchain(20)
-}
-tasks.register("prepareKotlinBuildScriptModel")
\ No newline at end of file
diff --git a/util/build.gradle.kts b/util/build.gradle.kts
index 437c419..8b602dc 100644
--- a/util/build.gradle.kts
+++ b/util/build.gradle.kts
@@ -1,8 +1,5 @@
 import org.springframework.boot.gradle.tasks.bundling.BootJar
 
-plugins {
-    kotlin("jvm")
-}
 
 group = "com.van1164"
 version = "0.0.1-SNAPSHOT"
@@ -27,6 +24,3 @@ dependencies {
 tasks.test {
     useJUnitPlatform()
 }
-kotlin {
-    jvmToolchain(20)
-}
diff --git a/video/build.gradle.kts b/video/build.gradle.kts
index e24f791..32402e3 100644
--- a/video/build.gradle.kts
+++ b/video/build.gradle.kts
@@ -1,9 +1,3 @@
-plugins {
-    kotlin("jvm") version "1.9.22"
-}
-
-group = "com.van1164"
-version = "0.0.1-SNAPSHOT"
 
 repositories {
     mavenCentral()
@@ -13,10 +7,11 @@ dependencies {
     implementation(project(":util"))
     implementation(project(":user"))
     implementation(project(":security"))
-    implementation(project(":main"))
+    implementation(project(":main_module"))
     implementation(project(":comment"))
+
 }
 
-tasks.test {
+tasks.withType<Test> {
     useJUnitPlatform()
-}
+}
\ No newline at end of file