diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/AbstractCommand.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/AbstractCommand.kt
new file mode 100644
index 000000000..7de3bd955
--- /dev/null
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/AbstractCommand.kt
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found via the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+package net.mamoe.mirai.console.command
+
+import net.mamoe.mirai.console.internal.command.createOrFindCommandPermission
+import net.mamoe.mirai.console.permission.Permission
+
+/**
+ * [Command] 的基础实现
+ *
+ * @see SimpleCommand
+ * @see CompositeCommand
+ * @see RawCommand
+ */
+public abstract class AbstractCommand
+@JvmOverloads constructor(
+    public final override val owner: CommandOwner,
+    public final override val primaryName: String,
+    public final override val secondaryNames: Array<out String>,
+    public override val description: String = "<no description available>",
+    parentPermission: Permission = owner.parentPermission,
+    /** 为 `true` 时表示 [指令前缀][CommandManager.commandPrefix] 可选 */
+    public override val prefixOptional: Boolean = false,
+) : Command {
+    init {
+        Command.checkCommandName(primaryName)
+        secondaryNames.forEach(Command.Companion::checkCommandName)
+    }
+
+    public override val usage: String get() = description
+    public override val permission: Permission by lazy { createOrFindCommandPermission(parentPermission) }
+}
\ No newline at end of file
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/Command.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/Command.kt
index 9d39cfa7e..37e4f3f69 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/Command.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/Command.kt
@@ -17,7 +17,6 @@ import net.mamoe.mirai.console.command.CommandManager.INSTANCE.register
 import net.mamoe.mirai.console.command.java.JCommand
 import net.mamoe.mirai.console.compiler.common.ResolveContext
 import net.mamoe.mirai.console.compiler.common.ResolveContext.Kind.COMMAND_NAME
-import net.mamoe.mirai.console.internal.command.createOrFindCommandPermission
 import net.mamoe.mirai.console.permission.Permission
 import net.mamoe.mirai.console.permission.PermissionId
 import net.mamoe.mirai.message.data.MessageChain
@@ -125,28 +124,3 @@ public interface Command {
 public suspend inline fun Command.onCommand(sender: CommandSender, args: MessageChain): Unit =
     sender.onCommand(args)
 
-/**
- * [Command] 的基础实现
- *
- * @see SimpleCommand
- * @see CompositeCommand
- * @see RawCommand
- */
-public abstract class AbstractCommand
-@JvmOverloads constructor(
-    public final override val owner: CommandOwner,
-    public final override val primaryName: String,
-    public final override val secondaryNames: Array<out String>,
-    public override val description: String = "<no description available>",
-    parentPermission: Permission = owner.parentPermission,
-    /** 为 `true` 时表示 [指令前缀][CommandManager.commandPrefix] 可选 */
-    public override val prefixOptional: Boolean = false,
-) : Command {
-    init {
-        Command.checkCommandName(primaryName)
-        secondaryNames.forEach(Command::checkCommandName)
-    }
-
-    public override val usage: String get() = description
-    public override val permission: Permission by lazy { createOrFindCommandPermission(parentPermission) }
-}
\ No newline at end of file