diff --git a/src/main/java/net/momirealms/customfishing/competition/Ranking.java b/src/main/java/net/momirealms/customfishing/competition/Ranking.java
deleted file mode 100644
index b0c84a25..00000000
--- a/src/main/java/net/momirealms/customfishing/competition/Ranking.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customfishing.competition;
-
-import java.util.TreeSet;
-
-public class Ranking {
-
-    private final TreeSet<CompetitionPlayer> competitionPlayers = new TreeSet<>();
-
-    public void addPlayer(String player, float score) {
-        CompetitionPlayer competitionPlayer = new CompetitionPlayer(player, score);
-        competitionPlayers.add(competitionPlayer);
-    }
-
-    public void addPlayer(CompetitionPlayer competitionPlayer) {
-        competitionPlayers.add(competitionPlayer);
-    }
-
-    public void removePlayer(CompetitionPlayer competitionPlayer) {
-        competitionPlayers.removeIf(e -> e == competitionPlayer);
-    }
-
-    public void clear() {
-        competitionPlayers.clear();
-    }
-
-    public boolean contains(CompetitionPlayer competitionPlayer) {
-        return competitionPlayers.contains(competitionPlayer);
-    }
-
-    public CompetitionPlayer getCompetitionPlayer(String player) {
-        for (CompetitionPlayer competitionPlayer : competitionPlayers) {
-            if (competitionPlayer.getPlayer().equals(player)) {
-                return competitionPlayer;
-            }
-        }
-        return null;
-    }
-
-    public String getPlayerRank(String player) {
-        int index = 1;
-        for (CompetitionPlayer competitionPlayer : competitionPlayers) {
-            if (competitionPlayer.getPlayer().equals(player)) {
-                return String.valueOf(index);
-            }else {
-                index++;
-            }
-        }
-        return null;
-    }
-
-    public CompetitionPlayer getFirst() {
-        return competitionPlayers.first();
-    }
-
-    public String getPlayerAt(int i) {
-        int count = 1;
-        for (CompetitionPlayer competitionPlayer : competitionPlayers) {
-            if (count == i) {
-                return competitionPlayer.getPlayer();
-            }
-            count++;
-        }
-        return null;
-    }
-
-    public float getScoreAt(int i) {
-        int count = 1;
-        for (CompetitionPlayer competitionPlayer : competitionPlayers) {
-            if (count == i) {
-                return competitionPlayer.getScore();
-            }
-            count++;
-        }
-        return -1.0f;
-    }
-}
diff --git a/src/main/java/net/momirealms/customfishing/competition/reward/Command.java b/src/main/java/net/momirealms/customfishing/competition/reward/Command.java
deleted file mode 100644
index dd2a9c40..00000000
--- a/src/main/java/net/momirealms/customfishing/competition/reward/Command.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customfishing.competition.reward;
-
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
-
-import java.util.List;
-
-public class Command implements Reward{
-
-    private final List<String> commands;
-
-    public Command(List<String> commands){
-        this.commands = commands;
-    }
-
-    @Override
-    public void giveReward(Player player) {
-        commands.forEach(command -> {
-            Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), command.replace("{player}", player.getName()));
-        });
-    }
-}
diff --git a/src/main/java/net/momirealms/customfishing/competition/reward/Message.java b/src/main/java/net/momirealms/customfishing/competition/reward/Message.java
deleted file mode 100644
index d771ad0b..00000000
--- a/src/main/java/net/momirealms/customfishing/competition/reward/Message.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customfishing.competition.reward;
-
-import net.momirealms.customfishing.utils.AdventureManager;
-import org.bukkit.entity.Player;
-
-import java.util.List;
-
-public class Message implements Reward{
-
-    private final List<String> messages;
-
-    public Message(List<String> messages){
-        this.messages = messages;
-    }
-
-    @Override
-    public void giveReward(Player player) {
-        if (!player.isOnline()) return;
-        messages.forEach(message -> {
-            AdventureManager.playerMessage(player, message);
-        });
-    }
-}