diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/MiraiConsole.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/MiraiConsole.kt
index 48c49ff01..9207be054 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/MiraiConsole.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/MiraiConsole.kt
@@ -17,7 +17,10 @@ import kotlinx.coroutines.Job
 import kotlinx.io.charsets.Charset
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.console.MiraiConsole.INSTANCE
+import net.mamoe.mirai.console.command.BuiltInCommands
 import net.mamoe.mirai.console.command.ConsoleCommandSender
+import net.mamoe.mirai.console.command.internal.InternalCommandManager
+import net.mamoe.mirai.console.command.primaryName
 import net.mamoe.mirai.console.plugin.PluginLoader
 import net.mamoe.mirai.console.plugin.PluginManager
 import net.mamoe.mirai.console.plugin.center.CuiPluginCenter
@@ -75,6 +78,11 @@ interface MiraiConsole : CoroutineScope {
     companion object INSTANCE : MiraiConsole by MiraiConsoleInternal
 }
 
+/**
+ * 获取 [MiraiConsole] 的 [Job]
+ */
+val MiraiConsole.job: Job
+    get() = this.coroutineContext[Job] ?: error("Internal error: Job not found in MiraiConsole.coroutineContext")
 
 //// internal
 
@@ -132,10 +140,14 @@ internal object MiraiConsoleInternal : CoroutineScope, IMiraiConsole, MiraiConso
         if (coroutineContext[Job] == null) {
             throw IllegalMiraiConsoleImplementationError("The coroutineContext given to MiraiConsole must have a Job in it.")
         }
-        this.coroutineContext[Job]!!.invokeOnCompletion {
+        job.invokeOnCompletion {
             Bot.botInstances.forEach { kotlin.runCatching { it.close() }.exceptionOrNull()?.let(mainLogger::error) }
         }
 
+        BuiltInCommands.registerAll()
+        mainLogger.info { "Preparing built-in commands: ${BuiltInCommands.all.joinToString { it.primaryName }}" }
+        InternalCommandManager.commandListener // start
+
         mainLogger.info { "Loading plugins..." }
         PluginManager.loadEnablePlugins()
         mainLogger.info { "${PluginManager.plugins.size} plugin(s) loaded." }
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/BuiltInCommands.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/BuiltInCommands.kt
index 16df71fa8..f8ac425b1 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/BuiltInCommands.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/BuiltInCommands.kt
@@ -9,12 +9,114 @@
 
 package net.mamoe.mirai.console.command
 
-import net.mamoe.mirai.console.utils.ConsoleExperimentalAPI
+import kotlinx.coroutines.runBlocking
+import net.mamoe.mirai.Bot
+import net.mamoe.mirai.alsoLogin
+import net.mamoe.mirai.console.MiraiConsole
+import net.mamoe.mirai.console.job
+import net.mamoe.mirai.console.stacktraceString
+import net.mamoe.mirai.event.selectMessagesUnit
+import kotlin.concurrent.thread
+import kotlin.system.exitProcess
+
+/**
+ * 添加一个 [Bot] 实例到全局 Bot 列表, 但不登录.
+ */
+fun MiraiConsole.addBot(id: Long, password: String): Bot {
+    return Bot(id, password) {
+        fileBasedDeviceInfo()
+        this.loginSolver = this@addBot.frontEnd.createLoginSolver()
+        redirectNetworkLogToDirectory()
+        redirectBotLogToDirectory()
+    }
+}
 
 interface BuiltInCommand : Command
 
-@ConsoleExperimentalAPI
-object BuiltInCommands
+
+@Suppress("unused")
+object BuiltInCommands {
+
+    val all: Array<out Command> by lazy {
+        this::class.nestedClasses.mapNotNull { it.objectInstance as? Command }.toTypedArray()
+    }
+
+    internal fun registerAll() {
+        BuiltInCommands::class.nestedClasses.forEach {
+            (it.objectInstance as? Command)?.register()
+        }
+    }
+
+    object Help : SimpleCommand(
+        ConsoleCommandOwner, "help", "?",
+        description = "Gets help about the console."
+    ) {
+        init {
+            Runtime.getRuntime().addShutdownHook(thread(false) {
+                runBlocking { Stop.execute(ConsoleCommandSender.instance) }
+            })
+        }
+
+        @Handler
+        suspend fun CommandSender.handle() {
+            sendMessage("现在有指令: ${allRegisteredCommands.joinToString { it.primaryName }}")
+            sendMessage("帮助还没写, 将就一下")
+        }
+    }
+
+    object Stop : SimpleCommand(
+        ConsoleCommandOwner, "stop", "shutdown", "exit",
+        description = "Stop the whole world."
+    ) {
+        init {
+            Runtime.getRuntime().addShutdownHook(thread(false) {
+                runBlocking { Stop.execute(ConsoleCommandSender.instance) }
+            })
+        }
+
+        @Handler
+        suspend fun CommandSender.handle() {
+            sendMessage("Stopping mirai-console")
+            kotlin.runCatching {
+                MiraiConsole.job.cancel()
+            }.fold(
+                onSuccess = { sendMessage("mirai-console stopped successfully.") },
+                onFailure = {
+                    MiraiConsole.mainLogger.error(it)
+                    sendMessage(it.localizedMessage ?: it.message ?: it.toString())
+                }
+            )
+            exitProcess(0)
+        }
+    }
+
+    object Login : SimpleCommand(
+        ConsoleCommandOwner, "login",
+        description = "Log in a bot account."
+    ) {
+        @Handler
+        suspend fun CommandSender.handle(id: Long, password: String) {
+            sendMessage(
+                kotlin.runCatching {
+                    MiraiConsole.addBot(id, password).alsoLogin()
+                }.fold(
+                    onSuccess = { "${it.nick} ($id) Login succeed" },
+                    onFailure = { throwable ->
+                        "Login failed: ${throwable.localizedMessage ?: throwable.message}" +
+                                if (this is MessageEventContextAware<*>) {
+                                    this.fromEvent.selectMessagesUnit {
+                                        "stacktrace" reply {
+                                            throwable.stacktraceString
+                                        }
+                                    }
+                                    "test"
+                                } else ""
+                    }
+                )
+            )
+        }
+    }
+}
 
 /*
 
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/CommandManager.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/CommandManager.kt
index 5717e20b8..e4fb89abd 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/CommandManager.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/CommandManager.kt
@@ -53,6 +53,12 @@ object ConsoleCommandOwner : CommandOwner()
  */
 val CommandOwner.registeredCommands: List<Command> get() = InternalCommandManager.registeredCommands.filter { it.owner == this }
 
+/**
+ * 获取所有已经注册了指令列表.
+ * @see JCommandManager.getRegisteredCommands Java 方法
+ */
+val allRegisteredCommands: List<Command> get() = InternalCommandManager.registeredCommands.toList() // copy
+
 /**
  * 指令前缀, 如 '/'
  * @see JCommandManager.getCommandPrefix Java 方法
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/CommandSender.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/CommandSender.kt
index e0dc664fe..a172fb73e 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/CommandSender.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/CommandSender.kt
@@ -14,9 +14,10 @@ package net.mamoe.mirai.console.command
 import kotlinx.coroutines.runBlocking
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.console.MiraiConsoleInternal
+import net.mamoe.mirai.console.utils.ConsoleExperimentalAPI
 import net.mamoe.mirai.console.utils.JavaFriendlyAPI
 import net.mamoe.mirai.contact.*
-import net.mamoe.mirai.message.MessageEvent
+import net.mamoe.mirai.message.*
 import net.mamoe.mirai.message.data.Message
 import net.mamoe.mirai.message.data.PlainText
 
@@ -83,6 +84,12 @@ fun User.asCommandSender(): UserCommandSender {
     }
 }
 
+/**
+ * 表示由 [MessageEvent] 触发的指令
+ */
+interface MessageEventContextAware<E : MessageEvent> : MessageEventExtensions<User, Contact> {
+    val fromEvent: E
+}
 
 /**
  * 代表一个用户私聊机器人执行指令
@@ -99,7 +106,7 @@ sealed class UserCommandSender : CommandSender, BotAwareCommandSender {
      */
     abstract val subject: Contact
 
-    final override val bot: Bot get() = user.bot
+    override val bot: Bot get() = user.bot
 
     final override suspend fun sendMessage(message: Message) {
         subject.sendMessage(message)
@@ -110,15 +117,46 @@ sealed class UserCommandSender : CommandSender, BotAwareCommandSender {
  * 代表一个用户私聊机器人执行指令
  * @see Friend.asCommandSender
  */
-class FriendCommandSender(override val user: Friend) : UserCommandSender() {
+open class FriendCommandSender(final override val user: Friend) : UserCommandSender() {
     override val subject: Contact get() = user
 }
 
+/**
+ * 代表一个用户私聊机器人执行指令
+ * @see Friend.asCommandSender
+ */
+class FriendCommandSenderOnMessage(override val fromEvent: FriendMessageEvent) : FriendCommandSender(fromEvent.sender),
+    MessageEventContextAware<FriendMessageEvent>, MessageEventExtensions<User, Contact> by fromEvent {
+    override val subject: Contact get() = super.subject
+    override val bot: Bot get() = super.bot
+}
+
+/**
+ * 代表一个群成员执行指令.
+ * @see Member.asCommandSender
+ */
+open class MemberCommandSender(final override val user: Member) : UserCommandSender() {
+    inline val group: Group get() = user.group
+    override val subject: Contact get() = group
+}
+
 /**
  * 代表一个群成员在群内执行指令.
  * @see Member.asCommandSender
  */
-class MemberCommandSender(override val user: Member) : UserCommandSender() {
-    inline val group: Group get() = user.group
-    override val subject: Contact get() = group
+class MemberCommandSenderOnMessage(override val fromEvent: GroupMessageEvent) : MemberCommandSender(fromEvent.sender),
+    MessageEventContextAware<GroupMessageEvent>, MessageEventExtensions<User, Contact> by fromEvent {
+    override val subject: Contact get() = super.subject
+    override val bot: Bot get() = super.bot
+}
+
+/**
+ * 代表一个群成员通过临时会话私聊机器人执行指令.
+ * @see Member.asCommandSender
+ */
+@ConsoleExperimentalAPI
+class TempCommandSenderOnMessage(override val fromEvent: TempMessageEvent) : MemberCommandSender(fromEvent.sender),
+    MessageEventContextAware<TempMessageEvent>, MessageEventExtensions<User, Contact> by fromEvent {
+    override val subject: Contact get() = super.subject
+    override val bot: Bot get() = super.bot
 }
\ No newline at end of file
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/internal/internal.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/internal/internal.kt
index d62a7902a..4338a946e 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/internal/internal.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/internal/internal.kt
@@ -9,9 +9,15 @@
 
 package net.mamoe.mirai.console.command.internal
 
+import kotlinx.coroutines.CoroutineScope
+import net.mamoe.mirai.console.MiraiConsole
 import net.mamoe.mirai.console.command.*
+import net.mamoe.mirai.console.job
 import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.contact.Member
+import net.mamoe.mirai.event.Listener
+import net.mamoe.mirai.event.subscribeAlways
+import net.mamoe.mirai.message.MessageEvent
 import java.util.concurrent.locks.ReentrantLock
 
 
@@ -22,7 +28,7 @@ internal infix fun Array<String>.matchesBeginning(list: List<Any>): Boolean {
     return true
 }
 
-internal object InternalCommandManager {
+internal object InternalCommandManager : CoroutineScope by CoroutineScope(MiraiConsole.job) {
     const val COMMAND_PREFIX = "/"
 
     @JvmField
@@ -56,6 +62,18 @@ internal object InternalCommandManager {
         }
         return optionalPrefixCommandMap[rawCommand.toLowerCase()]
     }
+
+    internal val commandListener: Listener<MessageEvent> by lazy {
+        @Suppress("RemoveExplicitTypeArguments")
+        subscribeAlways<MessageEvent>(
+            concurrency = Listener.ConcurrencyKind.CONCURRENT,
+            priority = Listener.EventPriority.HIGH
+        ) {
+            if (this.sender.asCommandSender().executeCommand(message) != null) {
+                intercept()
+            }
+        }
+    }
 }
 
 internal infix fun Array<out String>.intersectsIgnoringCase(other: Array<out String>): Boolean {
diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index 44432903a..30f83dd6b 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -9,7 +9,7 @@
 
 object Versions {
     const val core = "1.1-EA"
-    const val console = "1.1-dev-1"
+    const val console = "1.0-dev-1"
     const val consoleGraphical = "0.0.7"
     const val consoleTerminal = "0.1.0"
     const val consolePure = "0.1.0"