diff --git a/src/main/kotlin/com/mcstarrysky/land/data/Land.kt b/src/main/kotlin/com/mcstarrysky/land/data/Land.kt
index f9887fc..10537a2 100644
--- a/src/main/kotlin/com/mcstarrysky/land/data/Land.kt
+++ b/src/main/kotlin/com/mcstarrysky/land/data/Land.kt
@@ -1,6 +1,10 @@
+@file:Suppress("DEPRECATION")
+
 package com.mcstarrysky.land.data
 
+import com.mcstarrysky.land.flag.PermAdmin
 import com.mcstarrysky.land.flag.PermTeleport
+import com.mcstarrysky.land.flag.Permission
 import com.mcstarrysky.land.manager.LandManager
 import com.mcstarrysky.land.serializers.ChunkSerializer
 import com.mcstarrysky.land.serializers.LocationSerializer
@@ -18,6 +22,7 @@ import org.bukkit.OfflinePlayer
 import org.bukkit.entity.Player
 import taboolib.common5.cbool
 import java.util.Date
+import java.util.HashMap
 import java.util.UUID
 
 /**
@@ -41,10 +46,22 @@ data class Land(
     var leaveMessage: String? = "你离开了 &{#8abcd1}$name",
     @Serializable(with = LocationSerializer::class)
     var tpLocation: Location,
+    @Deprecated(message = "协作者功能已废除")
     val cooperators: MutableList<@Serializable(with = UUIDSerializer::class) UUID>,
-    val flags: MutableMap<String, Boolean> = mutableMapOf()
+    val flags: MutableMap<String, Boolean> = mutableMapOf(),
+    // 玩家 UUID 对一个 Map, Map 是 权限节点对应的值
+    val users: MutableMap<@Serializable(with = UUIDSerializer::class) UUID, MutableMap<String, Boolean>>,
 ) {
 
+    init {
+        // 迁移协作者
+        if (cooperators.isNotEmpty()) {
+            cooperators.forEach { uuid ->
+                (users.computeIfAbsent(uuid) { HashMap() }) += PermAdmin.id to true
+            }
+        }
+    }
+
     @Transient
     val date = DATE_FORMAT.format(Date(timestamp))
 
@@ -56,15 +73,19 @@ data class Land(
         PermTeleport.teleport(player, this)
     }
 
-    fun hasPermission(player: Player): Boolean {
-        return player.isOp || player.uniqueId == owner || player.uniqueId in cooperators
+    fun hasPermission(player: Player, perm: Permission? = null): Boolean {
+        return if (perm == null) {
+            player.isOp || player.uniqueId == owner || users[player.uniqueId]?.get(PermAdmin.id) == true
+        } else {
+            users[player.uniqueId]?.get(perm.id) == true
+        }
     }
 
     fun saveToString(): String {
         return json.encodeToString(this)
     }
 
-    fun getOwner(): OfflinePlayer? {
+    private fun getOwner(): OfflinePlayer? {
         if (owner != ZERO_UUID) {
             return Bukkit.getOfflinePlayer(owner)
         }
diff --git a/src/main/kotlin/com/mcstarrysky/land/flag/PermAdmin.kt b/src/main/kotlin/com/mcstarrysky/land/flag/PermAdmin.kt
new file mode 100644
index 0000000..568d13a
--- /dev/null
+++ b/src/main/kotlin/com/mcstarrysky/land/flag/PermAdmin.kt
@@ -0,0 +1,51 @@
+package com.mcstarrysky.land.flag
+
+import com.mcstarrysky.land.data.Land
+import com.mcstarrysky.land.util.display
+import com.mcstarrysky.land.util.registerPermission
+import org.bukkit.inventory.ItemStack
+import taboolib.common.LifeCycle
+import taboolib.common.platform.Awake
+import taboolib.library.xseries.XMaterial
+import taboolib.platform.util.buildItem
+
+/**
+ * Land
+ * com.mcstarrysky.land.flag.PermAdmin
+ *
+ * @author mical
+ * @since 2024/8/14 11:58
+ */
+object PermAdmin : Permission {
+
+    @Awake(LifeCycle.ENABLE)
+    private fun init() {
+        registerPermission()
+    }
+
+    override val id: String
+        get() = "admin"
+
+    override val default: Boolean
+        get() = false
+
+    override val worldSide: Boolean
+        get() = true
+
+    override val playerSide: Boolean
+        get() = true
+
+    override fun generateMenuItem(land: Land): ItemStack {
+        return buildItem(XMaterial.COMMAND_BLOCK) {
+            name = "&f管理权力 ${land.getFlagOrNull(id).display}"
+            lore += listOf(
+                "&7允许行为:",
+                "&8除管理领地与扩展领地外的所有权力",
+                "",
+                "&e左键修改值, 右键取消设置"
+            )
+            if (land.getFlagOrNull(id) == true) shiny()
+            colored()
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/mcstarrysky/land/listener/LandEnterLeaveListener.kt b/src/main/kotlin/com/mcstarrysky/land/listener/LandEnterLeaveListener.kt
deleted file mode 100644
index 4a75471..0000000
--- a/src/main/kotlin/com/mcstarrysky/land/listener/LandEnterLeaveListener.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.mcstarrysky.land.listener
-
-import com.mcstarrysky.land.manager.LandManager
-import com.mcstarrysky.land.util.prettyInfo
-import org.bukkit.event.player.PlayerMoveEvent
-import taboolib.common.platform.event.SubscribeEvent
-
-/**
- * Land
- * com.mcstarrysky.land.listener.KandEnterLeaveListener
- *
- * @author mical
- * @since 2024/8/3 14:48
- */
-object LandEnterLeaveListener {
-
-    // @SubscribeEvent
-    fun e(e: PlayerMoveEvent) {
-        if (e.from.x != e.to.x || e.from.y != e.to.y || e.from.z != e.to.z) {
-            val from = LandManager.getLand(e.from)
-            val to = LandManager.getLand(e.to)
-            if (from != to) {
-                from?.leaveMessage?.let { e.player.prettyInfo(it) }
-                to?.enterMessage?.let { e.player.prettyInfo(it) }
-            }
-        }
-    }
-}
\ No newline at end of file