diff --git a/px32-bot-api/src/main/kotlin/net/projecttl/p/x32/api/command/CommandHandler.kt b/px32-bot-api/src/main/kotlin/net/projecttl/p/x32/api/command/CommandHandler.kt
index 39480b5..28c949b 100644
--- a/px32-bot-api/src/main/kotlin/net/projecttl/p/x32/api/command/CommandHandler.kt
+++ b/px32-bot-api/src/main/kotlin/net/projecttl/p/x32/api/command/CommandHandler.kt
@@ -92,35 +92,21 @@ class CommandHandler(val guildId: Long = 0L) : ListenerAdapter() {
 
 			if (command is UserContext) {
 				if (guild == null) {
-					jda.updateCommands().addCommands(
-						Commands.context(Command.Type.USER, data.name),
-						Commands.message(data.name)
-					).queue()
+					jda.upsertCommand(Commands.user(data.name)).queue()
 
 					println("Register User Context Command: /${data.name}")
 				} else {
-					guild.updateCommands().addCommands(
-						Commands.context(Command.Type.USER, data.name),
-						Commands.message(data.name)
-					).queue()
+					guild.upsertCommand(Commands.user(data.name)).queue()
 					println("Register '${guild.id}' Guild's User Context Command: /${data.name}")
 				}
 			}
 
 			if (command is MessageContext) {
 				if (guild == null) {
-					jda.updateCommands().addCommands(
-						Commands.context(Command.Type.MESSAGE, data.name),
-						Commands.message(data.name)
-					)
-
+					jda.upsertCommand(Commands.message(data.name))
 					println("Register Message Context Command: /${data.name}")
 				} else {
-					guild.updateCommands().addCommands(
-						Commands.context(Command.Type.MESSAGE, data.name),
-						Commands.message(data.name)
-					)
-
+					guild.upsertCommand(Commands.message(data.name))
 					println("Register '${guild.id}' Guild's Message Context Command: /${data.name}")
 				}
 			}
diff --git a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/Px32.kt b/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/Px32.kt
index a0518a3..9a1c145 100644
--- a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/Px32.kt
+++ b/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/Px32.kt
@@ -1,22 +1,25 @@
 package net.projecttl.p.x32
 
 import net.dv8tion.jda.api.JDA
+import net.projecttl.p.x32.command.Reload
 import net.projecttl.p.x32.config.DefaultConfig
 import net.projecttl.p.x32.func.loadDefault
-import net.projecttl.p.x32.handler.Ready
+import net.projecttl.p.x32.func.handler.Ready
 import net.projecttl.p.x32.kernel.CoreKernel
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 
 lateinit var jda: JDA
+lateinit var kernel: CoreKernel
 val logger: Logger = LoggerFactory.getLogger(Px32::class.java)
 
 fun main() {
 	println("Px32 version v${DefaultConfig.version}")
-	val kernel = CoreKernel(System.getenv("TOKEN"))
+	kernel = CoreKernel(System.getenv("TOKEN"))
+	val handler = kernel.getGlobalCommandHandler()
 	kernel.addHandler(Ready)
 
-	val handler = kernel.getGlobalCommandHandler()
+	handler.addCommand(Reload)
 	loadDefault(handler)
 
 	jda = kernel.build()
diff --git a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/command/Reload.kt b/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/command/Reload.kt
new file mode 100644
index 0000000..0ce7d20
--- /dev/null
+++ b/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/command/Reload.kt
@@ -0,0 +1,23 @@
+package net.projecttl.p.x32.command
+
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
+import net.dv8tion.jda.api.interactions.commands.build.CommandData
+import net.dv8tion.jda.internal.interactions.CommandDataImpl
+import net.projecttl.p.x32.api.command.GlobalCommand
+import net.projecttl.p.x32.kernel
+
+object Reload : GlobalCommand {
+	override val data = CommandData.fromData(CommandDataImpl("reload", "플러그인을 다시 불러 옵니다").toData())
+
+	override suspend fun execute(ev: SlashCommandInteractionEvent) {
+		try {
+			kernel.reload()
+		} catch (ex: Exception) {
+			ex.printStackTrace()
+			ev.reply(":warning: 플러그인을 다시 불러오는 도중에 오류가 발생 했어요. 자세한 내용은 콘솔을 확인해 주세요!").queue()
+			return
+		}
+
+		ev.reply(":white_check_mark: 플러그인을 다시 불러 왔어요!\n불러온 플러그인 수: ${kernel.plugins().size}").queue()
+	}
+}
\ No newline at end of file
diff --git a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/kernel/CoreKernel.kt b/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/kernel/CoreKernel.kt
index de16fee..c3b3d5e 100644
--- a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/kernel/CoreKernel.kt
+++ b/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/kernel/CoreKernel.kt
@@ -3,6 +3,7 @@ package net.projecttl.p.x32.kernel
 import net.dv8tion.jda.api.JDA
 import net.dv8tion.jda.api.JDABuilder
 import net.dv8tion.jda.api.hooks.ListenerAdapter
+import net.projecttl.p.x32.api.Plugin
 import net.projecttl.p.x32.api.command.CommandHandler
 import net.projecttl.p.x32.logger
 
@@ -23,6 +24,10 @@ class CoreKernel(token: String) {
 		handlers.remove(handler)
 	}
 
+	fun plugins(): List<Plugin> {
+		return PluginLoader.getPlugins().map { it.value }
+	}
+
 	fun build(): JDA {
 		handlers.map {
 			builder.addEventListeners(it)
@@ -54,4 +59,17 @@ class CoreKernel(token: String) {
 
 		return jda
 	}
-}
\ No newline at end of file
+
+	fun reload() {
+		val plugins = PluginLoader.getPlugins()
+		plugins.forEach { (c, p) ->
+			logger.info("Reload plugin ${c.name} v${c.version}")
+			p.destroy()
+		}
+
+		PluginLoader.load()
+		plugins.forEach { (_, p) ->
+			p.onLoad()
+		}
+	}
+}
diff --git a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/kernel/PluginLoader.kt b/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/kernel/PluginLoader.kt
index 7d79648..78d4d93 100644
--- a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/kernel/PluginLoader.kt
+++ b/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/kernel/PluginLoader.kt
@@ -17,6 +17,10 @@ object PluginLoader {
         }
     }
 
+    fun getPlugins(): Map<PluginConfig, Plugin> {
+        return plugins.toMap()
+    }
+
     fun load() {
         parentDir.listFiles()?.forEach { file ->
             if (file.name.endsWith(".jar")) {
@@ -45,10 +49,6 @@ object PluginLoader {
         }
     }
 
-    fun getPlugins(): Map<PluginConfig, Plugin> {
-        return plugins.toMap()
-    }
-
     fun destroy() {
         plugins.forEach { (config, plugin) ->
             logger.info("disable ${config.name} plugin...")
@@ -61,4 +61,4 @@ object PluginLoader {
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/Loader.kt b/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/Loader.kt
index 96fc751..fcce0bd 100644
--- a/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/Loader.kt
+++ b/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/Loader.kt
@@ -2,9 +2,11 @@ package net.projecttl.p.x32.func
 
 import net.projecttl.p.x32.api.command.CommandHandler
 import net.projecttl.p.x32.func.command.Avatar
+import net.projecttl.p.x32.func.command.MsgLength
 import net.projecttl.p.x32.func.command.Ping
 
 fun loadDefault(handler: CommandHandler) = with(handler) {
     addCommand(Avatar)
+    addCommand(MsgLength)
     addCommand(Ping)
 }
diff --git a/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/command/MsgLength.kt b/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/command/MsgLength.kt
new file mode 100644
index 0000000..df29f63
--- /dev/null
+++ b/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/command/MsgLength.kt
@@ -0,0 +1,15 @@
+package net.projecttl.p.x32.func.command
+
+import net.dv8tion.jda.api.events.interaction.command.MessageContextInteractionEvent
+import net.dv8tion.jda.api.interactions.commands.build.CommandData
+import net.dv8tion.jda.internal.interactions.CommandDataImpl
+import net.projecttl.p.x32.api.command.MessageContext
+
+object MsgLength : MessageContext {
+	override val data = CommandData.fromData(CommandDataImpl("length", "메시지의 길이를 확인 합니다.").toData())
+
+	override suspend fun execute(ev: MessageContextInteractionEvent) {
+		val target = ev.target
+		ev.reply("${target.jumpUrl} 메시지의 길이:\n\t${target.contentRaw.split("\\s+").size}").queue()
+	}
+}
diff --git a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/handler/Ready.kt b/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/handler/Ready.kt
similarity index 59%
rename from px32-bot-core/src/main/kotlin/net/projecttl/p/x32/handler/Ready.kt
rename to px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/handler/Ready.kt
index 33d7699..edf8a8a 100644
--- a/px32-bot-core/src/main/kotlin/net/projecttl/p/x32/handler/Ready.kt
+++ b/px32-bot-func/src/main/kotlin/net/projecttl/p/x32/func/handler/Ready.kt
@@ -1,11 +1,10 @@
-package net.projecttl.p.x32.handler
+package net.projecttl.p.x32.func.handler
 
 import net.dv8tion.jda.api.events.session.ReadyEvent
 import net.dv8tion.jda.api.hooks.ListenerAdapter
-import net.projecttl.p.x32.logger
 
 object Ready : ListenerAdapter() {
 	override fun onReady(ev: ReadyEvent) {
-		logger.info("Logged in as ${ev.jda.selfUser.asTag}")
+		println("Logged in as ${ev.jda.selfUser.asTag}")
 	}
 }
\ No newline at end of file