diff --git a/Dockerfile b/Dockerfile
index de1f4f8..02afca9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,23 +1,10 @@
-# Stage 1: Build the JAR file
-FROM gradle:jdk21 as build
-
-WORKDIR /app
-
-# Copy the Gradle files and source code
-COPY build.gradle.kts settings.gradle.kts gradlew gradle.properties ./
-COPY gradle gradle
-COPY src src
-
-# Build the project using Gradle
-RUN ./gradlew build
-
-# Stage 2: Run the JAR file using JDK 21
+# Use a base image with JDK 21 for the final image
 FROM openjdk:21-jdk
 
 WORKDIR /app
 
-# Copy the JAR file from the build stage
-COPY --from=build /app/build/libs/*.jar app.jar
+# Copy the JAR file from the TeamCity build artifacts
+COPY build/libs/chzzk_bot-*.jar app.jar
 
 # Set the entry point
 ENTRYPOINT ["java", "-jar", "app.jar"]
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index 7f7685f..0d66252 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -29,22 +29,23 @@ repositories {
 
 dependencies {
     // https://mvnrepository.com/artifact/net.dv8tion/JDA
-    implementation("net.dv8tion:JDA:5.0.0-beta.24") {
+    implementation("net.dv8tion:JDA:5.0.1") {
         exclude(module = "opus-java")
     }
     // https://mvnrepository.com/artifact/io.github.R2turnTrue/chzzk4j
-    implementation("io.github.R2turnTrue:chzzk4j:0.0.8")
+    implementation("io.github.R2turnTrue:chzzk4j:0.0.9")
 
-    implementation("ch.qos.logback:logback-classic:1.4.14")
+    // https://mvnrepository.com/artifact/ch.qos.logback/logback-classic
+    implementation("ch.qos.logback:logback-classic:1.5.6")
 
     // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-core
-    implementation("org.jetbrains.exposed:exposed-core:0.51.1")
+    implementation("org.jetbrains.exposed:exposed-core:0.52.0")
     // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-dao
-    implementation("org.jetbrains.exposed:exposed-dao:0.51.1")
+    implementation("org.jetbrains.exposed:exposed-dao:0.52.0")
     // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-jdbc
-    implementation("org.jetbrains.exposed:exposed-jdbc:0.51.1")
+    implementation("org.jetbrains.exposed:exposed-jdbc:0.52.0")
     // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-kotlin-datetime
-    implementation("org.jetbrains.exposed:exposed-java-time:0.51.1")
+    implementation("org.jetbrains.exposed:exposed-java-time:0.52.0")
 
     // https://mvnrepository.com/artifact/com.zaxxer/HikariCP
     implementation("com.zaxxer:HikariCP:5.1.0")
@@ -54,11 +55,13 @@ dependencies {
     // https://mvnrepository.com/artifact/org.jetbrains.kotlin/kotlin-reflect
     implementation("org.jetbrains.kotlin:kotlin-reflect:2.0.0")
 
+    // https://mvnrepository.com/artifact/com.google.code.gson/gson
     implementation("com.google.code.gson:gson:2.11.0")
 
     // https://mvnrepository.com/artifact/org.mariadb.jdbc/mariadb-java-client
-    implementation("org.mariadb.jdbc:mariadb-java-client:3.4.0")
+    implementation("org.mariadb.jdbc:mariadb-java-client:3.4.1")
 
+    // https://mvnrepository.com/artifact/io.github.cdimascio/dotenv-kotlin
     implementation("io.github.cdimascio:dotenv-kotlin:6.4.1")
 
     kotlin("stdlib")
diff --git a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddCommand.kt b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddCommand.kt
index 4ddcb12..125263d 100644
--- a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddCommand.kt
+++ b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddCommand.kt
@@ -10,6 +10,7 @@ import space.mori.chzzk_bot.chzzk.ChzzkHandler
 import space.mori.chzzk_bot.chzzk.Connector
 import space.mori.chzzk_bot.discord.CommandInterface
 import space.mori.chzzk_bot.services.CommandService
+import space.mori.chzzk_bot.services.ManagerService
 import space.mori.chzzk_bot.services.UserService
 
 object AddCommand : CommandInterface {
@@ -30,12 +31,18 @@ object AddCommand : CommandInterface {
             return
         }
 
-        val user = UserService.getUser(event.user.idLong)
-        if(user == null) {
-            event.hook.sendMessage("치지직 계정을 찾을 수 없습니다.").queue()
+        var user = UserService.getUser(event.user.idLong)
+        val manager = event.guild?.idLong?.let { ManagerService.getUser(it, event.user.idLong) }
+        if(user == null && manager == null) {
+            event.hook.sendMessage("당신은 이 명령어를 사용할 수 없습니다.").queue()
             return
         }
 
+        if (user == null) {
+            user = manager!!.user
+            ManagerService.updateManager(user, event.user.idLong, event.user.effectiveName)
+        }
+
         val commands = CommandService.getCommands(user)
         if (commands.any { it.command == label }) {
             event.hook.sendMessage("$label 명령어는 이미 있습니다! 업데이트 명령어를 써주세요.").queue()
diff --git a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddManagerCommand.kt b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddManagerCommand.kt
index e2cbdb3..c55c4c6 100644
--- a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddManagerCommand.kt
+++ b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddManagerCommand.kt
@@ -36,6 +36,8 @@ object AddManagerCommand : CommandInterface {
 
         try {
             ManagerService.saveManager(user, manager.idLong, manager.effectiveName)
+            if(user.liveAlertGuild == null)
+                UserService.updateLiveAlert(user.id.value, event.guild!!.idLong, event.channelIdLong, "")
             event.hook.sendMessage("등록이 완료되었습니다. ${manager.effectiveName}").queue()
         } catch (e: Exception) {
             event.hook.sendMessage("에러가 발생했습니다.").queue()
diff --git a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AlertCommand.kt b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AlertCommand.kt
index b12511f..0849c8c 100644
--- a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AlertCommand.kt
+++ b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/AlertCommand.kt
@@ -9,6 +9,7 @@ import org.slf4j.LoggerFactory
 import space.mori.chzzk_bot.chzzk.ChzzkHandler
 import space.mori.chzzk_bot.chzzk.Connector
 import space.mori.chzzk_bot.discord.CommandInterface
+import space.mori.chzzk_bot.services.ManagerService
 import space.mori.chzzk_bot.services.UserService
 
 object AlertCommand : CommandInterface {
@@ -22,12 +23,18 @@ object AlertCommand : CommandInterface {
         val channel = event.getOption("channel")?.asChannel
         val content = event.getOption("content")?.asString
 
-        val user = UserService.getUser(event.user.idLong)
-        if(user == null) {
-            event.hook.sendMessage("치지직 계정을 찾을 수 없습니다.").queue()
+        var user = UserService.getUser(event.user.idLong)
+        val manager = event.guild?.idLong?.let { ManagerService.getUser(it, event.user.idLong) }
+        if(user == null && manager == null) {
+            event.hook.sendMessage("당신은 이 명령어를 사용할 수 없습니다.").queue()
             return
         }
 
+        if (user == null) {
+            user = manager!!.user
+            ManagerService.updateManager(user, event.user.idLong, event.user.effectiveName)
+        }
+
         val chzzkChannel = Connector.getChannel(user.token)
 
         try {
diff --git a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/RemoveCommand.kt b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/RemoveCommand.kt
index d16faad..bd3f123 100644
--- a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/RemoveCommand.kt
+++ b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/RemoveCommand.kt
@@ -10,6 +10,7 @@ import space.mori.chzzk_bot.chzzk.ChzzkHandler
 import space.mori.chzzk_bot.chzzk.Connector
 import space.mori.chzzk_bot.discord.CommandInterface
 import space.mori.chzzk_bot.services.CommandService
+import space.mori.chzzk_bot.services.ManagerService
 import space.mori.chzzk_bot.services.UserService
 
 object RemoveCommand : CommandInterface {
@@ -26,11 +27,18 @@ object RemoveCommand : CommandInterface {
             return
         }
 
-        val user = UserService.getUser(event.user.idLong)
-        if(user == null) {
-            event.hook.sendMessage("치지직 계정을 찾을 수 없습니다.").queue()
+        var user = UserService.getUser(event.user.idLong)
+        val manager = event.guild?.idLong?.let { ManagerService.getUser(it, event.user.idLong) }
+        if(user == null && manager == null) {
+            event.hook.sendMessage("당신은 이 명령어를 사용할 수 없습니다.").queue()
             return
         }
+
+        if (user == null) {
+            user = manager!!.user
+            ManagerService.updateManager(user, event.user.idLong, event.user.effectiveName)
+        }
+
         val chzzkChannel = Connector.getChannel(user.token)
 
         try {
diff --git a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/UpdateCommand.kt b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/UpdateCommand.kt
index 8a729d6..7913a0c 100644
--- a/src/main/kotlin/space/mori/chzzk_bot/discord/commands/UpdateCommand.kt
+++ b/src/main/kotlin/space/mori/chzzk_bot/discord/commands/UpdateCommand.kt
@@ -10,6 +10,7 @@ import space.mori.chzzk_bot.chzzk.ChzzkHandler
 import space.mori.chzzk_bot.chzzk.Connector
 import space.mori.chzzk_bot.discord.CommandInterface
 import space.mori.chzzk_bot.services.CommandService
+import space.mori.chzzk_bot.services.ManagerService
 import space.mori.chzzk_bot.services.UserService
 
 object UpdateCommand : CommandInterface {
@@ -30,11 +31,18 @@ object UpdateCommand : CommandInterface {
             return
         }
 
-        val user = UserService.getUser(event.user.idLong)
-        if(user == null) {
-            event.hook.sendMessage("치지직 계정을 찾을 수 없습니다.").queue()
+        var user = UserService.getUser(event.user.idLong)
+        val manager = event.guild?.idLong?.let { ManagerService.getUser(it, event.user.idLong) }
+        if(user == null && manager == null) {
+            event.hook.sendMessage("당신은 이 명령어를 사용할 수 없습니다.").queue()
             return
         }
+
+        if (user == null) {
+            user = manager!!.user
+            ManagerService.updateManager(user, event.user.idLong, event.user.effectiveName)
+        }
+
         val chzzkChannel = Connector.getChannel(user.token)
 
         try {