diff --git a/PlayerRiskManager.java b/PlayerRiskManager.java
deleted file mode 100644
index b3b9eb5..0000000
--- a/PlayerRiskManager.java
+++ /dev/null
@@ -1,77 +0,0 @@
-package com.sakurarealm.playerrisk.api;
-
-import com.sakurarealm.playerrisk.PlayerRisk;
-import com.sakurarealm.playerrisk.hook.PlaceHolderAPIHook;
-import org.apache.commons.lang.NotImplementedException;
-import org.bukkit.OfflinePlayer;
-
-import java.util.UUID;
-
-/**
- * 危机度区间为0~level_max级，每次离开安全区（城镇），重置危险等级：每待n秒会使危机等级（变量）提升1点，
- * 但开始计算时玩家在的每一个每种生物群系最多使危机等级提升10 (如上限level_max是50的话, 玩家至少进入5个不同的生物群系才能达到上限)，
- * 玩家每次死亡重生或回到安全区，会重置当前危机等级。
- * 所有变量见config.yml
- * <a href="https://drawrealm.feishu.cn/wiki/ZqTQwSQNyiZUIWkHCRgcuAcYn3f?chunked=false">...</a>
- */
-public class PlayerRiskManager {
-
-    private final PlayerRisk plugin;
-
-    public final PlayerRiskSettings settings;
-
-    // TODO: Add any data structures needed to manage player risk.
-
-    public PlayerRiskManager(PlayerRisk plugin, PlayerRiskSettings settings) {
-        this.plugin = plugin;
-        // Register the event listener.
-//        plugin.getServer().getPluginManager().registerEvents(new Listener(), plugin);
-        //注入settings
-        this.settings = settings;
-        new PlaceHolderAPIHook(this).register();
-    }
-
-    public int getPlayerRiskLevel(String playerName) {
-        // Get offline player by name.
-        OfflinePlayer player = plugin.getServer().getOfflinePlayer(playerName);
-        return getPlayerRiskLevel(player);
-    }
-
-    public int getPlayerRiskLevel(UUID playerId) {
-        // Get offline player by UUID.
-        OfflinePlayer player = plugin.getServer().getOfflinePlayer(playerId);
-        return getPlayerRiskLevel(player);
-    }
-
-    /**
-     * TODO: 获取玩家的危险度等级
-     *
-     * @param player 玩家
-     * @return 危险度等级
-     */
-    public int getPlayerRiskLevel(OfflinePlayer player) {
-        throw new NotImplementedException("Not implemented yet.");
-    }
-
-    public void setPlayerRiskLevel(String playerName, int level) {
-        // Get offline player by name.
-        OfflinePlayer player = plugin.getServer().getOfflinePlayer(playerName);
-        setPlayerRiskLevel(player, level);
-    }
-
-    public void setPlayerRiskLevel(UUID playerId, int level) {
-        // Get offline player by UUID.
-        OfflinePlayer player = plugin.getServer().getOfflinePlayer(playerId);
-        setPlayerRiskLevel(player, level);
-    }
-
-    /**
-     * TODO: 设置玩家的危险度等级
-     */
-    public void setPlayerRiskLevel(OfflinePlayer player, int level) {
-        throw new NotImplementedException("Not implemented yet.");
-    }
-
-    // TODO Add any other methods needed to manage player risk.
-
-}