diff --git a/gradle.properties b/gradle.properties
index ac197c7..28ece6b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ minecraft_version=1.21.4
 yarn_mappings=1.21.4+build.8
 loader_version=0.16.10
 # Mod Properties
-mod_version=1.14.514.034
+mod_version=1.14.514.037
 maven_group=semmiedev
 archives_base_name=disc_jockey_revive
 # Dependencies
diff --git a/src/main/java/semmiedev/disc_jockey_revive/DebugLogger.java b/src/main/java/semmiedev/disc_jockey_revive/DebugLogger.java
new file mode 100644
index 0000000..b088550
--- /dev/null
+++ b/src/main/java/semmiedev/disc_jockey_revive/DebugLogger.java
@@ -0,0 +1,25 @@
+package semmiedev.disc_jockey_revive;
+
+import org.apache.logging.log4j.Logger;
+
+// 这玩意一般不用，我自己用的，但是不想删
+public class DebugLogger {
+
+    public static void log(String message) {
+        if (Main.config != null && Main.config.debugModeEnabled) {
+            Main.LOGGER.info("[DiscJockeyRevive-调试] " + message);
+        }
+    }
+
+    public static void log(String format, Object... arguments) {
+        if (Main.config != null && Main.config.debugModeEnabled) {
+            Main.LOGGER.info("[DiscJockeyRevive-调试] " + format, arguments);
+        }
+    }
+
+    public static void log(String message, Throwable t) {
+        if (Main.config != null && Main.config.debugModeEnabled) {
+            Main.LOGGER.error("[DiscJockeyRevive-调试] " + message, t);
+        }
+    }
+}
diff --git a/src/main/java/semmiedev/disc_jockey_revive/KeyMappingManager.java b/src/main/java/semmiedev/disc_jockey_revive/KeyMappingManager.java
new file mode 100644
index 0000000..46d02d0
--- /dev/null
+++ b/src/main/java/semmiedev/disc_jockey_revive/KeyMappingManager.java
@@ -0,0 +1,172 @@
+package semmiedev.disc_jockey_revive;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.reflect.TypeToken;
+import net.fabricmc.loader.api.FabricLoader;
+import net.minecraft.client.util.InputUtil;
+import net.minecraft.block.enums.NoteBlockInstrument;
+import net.minecraft.text.Text;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.util.HashMap;
+import java.util.Map;
+
+public class KeyMappingManager {
+    private static final File MAPPINGS_FILE = new File(FabricLoader.getInstance().getConfigDir().toFile(), "disc_jockey" + "/key_mappings.json");
+    private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
+    private static final Type MAPPING_TYPE = new TypeToken<HashMap<String, NoteData>>() {}.getType();
+
+    private Map<InputUtil.Key, Note> mappings = new HashMap<>();
+
+    private static class NoteData {
+        String instrument;
+        byte note;
+
+        public NoteData(Note note) {
+            this.instrument = note.instrument().name();
+            this.note = note.note();
+        }
+
+        public Note toNote() {
+            try {
+                NoteBlockInstrument instrumentEnum = NoteBlockInstrument.valueOf(instrument);
+                return new Note(instrumentEnum, note);
+            } catch (IllegalArgumentException e) {
+                Main.LOGGER.error("键位映射中出现未知乐器 '{}' ", instrument);
+                return null;
+            }
+        }
+    }
+
+    public KeyMappingManager() {
+        loadMappings();
+    }
+
+    public void loadMappings() {
+        if (!MAPPINGS_FILE.exists()) {
+            Main.LOGGER.info("未找到键映射文件，正在创建默认的类似于 FL Studio 的映射。");
+            mappings.clear();
+            
+            NoteBlockInstrument dirt = NoteBlockInstrument.HARP;
+            NoteBlockInstrument wood = NoteBlockInstrument.BASS;
+            // NoteBlockInstrument gold = NoteBlockInstrument.BELL;
+            
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_Z, 0), new Note(wood, (byte) 6));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_S, 0), new Note(wood, (byte) 7));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_X, 0), new Note(wood, (byte) 8));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_D, 0), new Note(wood, (byte) 9));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_C, 0), new Note(wood, (byte) 10));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_V, 0), new Note(wood, (byte) 11));
+
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_G, 0), new Note(dirt, (byte) 0));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_B, 0), new Note(dirt, (byte) 1));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_H, 0), new Note(dirt, (byte) 2));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_N, 0), new Note(dirt, (byte) 3));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_J, 0), new Note(dirt, (byte) 4));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_M, 0), new Note(dirt, (byte) 5));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_COMMA, 0), new Note(dirt, (byte) 6));
+
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_Q, 0), new Note(dirt, (byte) 6));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_2, 0), new Note(dirt, (byte) 7));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_W, 0), new Note(dirt, (byte) 8));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_3, 0), new Note(dirt, (byte) 9));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_E, 0), new Note(dirt, (byte) 10));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_R, 0), new Note(dirt, (byte) 11));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_5, 0), new Note(dirt, (byte) 12));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_T, 0), new Note(dirt, (byte) 13));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_6, 0), new Note(dirt, (byte) 14));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_Y, 0), new Note(dirt, (byte) 15));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_7, 0), new Note(dirt, (byte) 16));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_U, 0), new Note(dirt, (byte) 17));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_I, 0), new Note(dirt, (byte) 18));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_9, 0), new Note(dirt, (byte) 19));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_O, 0), new Note(dirt, (byte) 20));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_0, 0), new Note(dirt, (byte) 21));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_P, 0), new Note(dirt, (byte) 22));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_LEFT_BRACKET, 0), new Note(dirt, (byte) 23));
+            mappings.put(InputUtil.fromKeyCode(InputUtil.GLFW_KEY_EQUAL, 0), new Note(dirt, (byte) 24));
+
+
+            saveMappings();
+            return;
+        }
+
+        try (FileReader reader = new FileReader(MAPPINGS_FILE)) {
+            HashMap<String, NoteData> loadedData = GSON.fromJson(reader, MAPPING_TYPE);
+            mappings.clear();
+            if (loadedData != null) {
+                for (Map.Entry<String, NoteData> entry : loadedData.entrySet()) {
+                    InputUtil.Key key = InputUtil.fromTranslationKey(entry.getKey());
+                    Note note = entry.getValue().toNote();
+                    if (key != InputUtil.UNKNOWN_KEY && note != null) {
+                        mappings.put(key, note);
+                    }
+                }
+            }
+            Main.LOGGER.info("已加载按键映射。");
+        } catch (IOException e) {
+            Main.LOGGER.error("加载按键映射失败。", e);
+        }
+    }
+
+
+
+    public void saveMappings() {
+        MAPPINGS_FILE.getParentFile().mkdirs();
+        try (FileWriter writer = new FileWriter(MAPPINGS_FILE)) {
+            HashMap<String, NoteData> dataToSave = new HashMap<>();
+            for (Map.Entry<InputUtil.Key, Note> entry : mappings.entrySet()) {
+                dataToSave.put(entry.getKey().getTranslationKey(), new NoteData(entry.getValue()));
+            }
+            GSON.toJson(dataToSave, writer);
+            Main.LOGGER.info("已保存按键映射。");
+        } catch (IOException e) {
+            Main.LOGGER.error("保存按键映射失败。", e);
+        }
+    }
+
+    public Note getNoteForKey(InputUtil.Key key) {
+        return mappings.get(key);
+    }
+
+    public void setMapping(InputUtil.Key key, Note note) {
+        mappings.put(key, note);
+    }
+
+    public void removeMapping(InputUtil.Key key) {
+        mappings.remove(key);
+    }
+
+    public Map<InputUtil.Key, Note> getMappings() {
+        return new HashMap<>(mappings);
+    }
+
+    public static String getNoteDisplayName(Note note) {
+        if (note == null) return "未设置";
+
+        String instrumentTranslationKey = "block.minecraft.note_block.instrument." + note.instrument().asString();
+        String instrumentName = Text.translatable(instrumentTranslationKey).getString();
+
+        int pitch = note.note();
+        String[] noteNames = {"F#", "G", "G#", "A", "A#", "B", "C", "C#", "D", "D#", "E", "F"};
+
+        int octave;
+        if (pitch >= 19) {
+            octave = 1;
+        } else if (pitch >= 7) {
+            octave = 0;
+        } else {
+            octave = -1;
+        }
+
+        int noteIndexInArray = (pitch - 7 + 12 * 2) % 12;
+        String noteName = noteNames[noteIndexInArray];
+
+        return instrumentName + " " + noteName + "(" + octave + ")";
+    }
+}
diff --git a/src/main/java/semmiedev/disc_jockey_revive/LiveDjPlayer.java b/src/main/java/semmiedev/disc_jockey_revive/LiveDjPlayer.java
new file mode 100644
index 0000000..bd6a6de
--- /dev/null
+++ b/src/main/java/semmiedev/disc_jockey_revive/LiveDjPlayer.java
@@ -0,0 +1,475 @@
+package semmiedev.disc_jockey_revive;
+
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.enums.NoteBlockInstrument;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.hud.ChatHud;
+import net.minecraft.client.network.ClientPlayerEntity;
+import net.minecraft.client.network.PlayerListEntry;
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.network.packet.c2s.play.PlayerActionC2SPacket;
+import net.minecraft.network.packet.c2s.play.PlayerMoveC2SPacket;
+import net.minecraft.state.property.Properties;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+import net.minecraft.util.Hand;
+import net.minecraft.util.Pair;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.*;
+import net.minecraft.world.GameMode;
+import org.apache.commons.lang3.NotImplementedException;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+public class LiveDjPlayer implements ClientTickEvents.StartWorldTick {
+    
+    private HashMap<NoteBlockInstrument, HashMap<Byte, BlockPos>> noteBlocks = null;
+    private boolean tuned = false;
+    private boolean tuningRequested = false; 
+
+    private long last100MsSpanAt = -1L;
+    private int last100MsSpanEstimatedPackets = 0;
+    final private int last100MsReducePacketsAfter = 300 / 10, last100MsStopPacketsAfter = 450 / 10;
+    private long reducePacketsUntil = -1L, stopPacketsUntil = -1L;
+    private long lastLookSentAt = -1L, lastSwingSentAt = -1L;
+    private long lastInteractAt = -1;
+    private float availableInteracts = 8;
+    private int tuneInitialUntunedBlocks = -1;
+    private HashMap<BlockPos, Pair<Integer, Long>> notePredictions = new HashMap<>();
+    
+    public HashMap<Block, Integer> missingInstrumentBlocks = new HashMap<>();
+
+    public LiveDjPlayer() {
+        Main.TICK_LISTENERS.add(this); 
+    }
+
+    // 调音
+    public synchronized void startTuning() {
+        if (tuned && noteBlocks != null) {
+            MinecraftClient.getInstance().inGameHud.getChatHud().addMessage(Text.translatable(Main.MOD_ID+".player.retuning").formatted(Formatting.YELLOW));
+        } else {
+            MinecraftClient.getInstance().inGameHud.getChatHud().addMessage(Text.translatable(Main.MOD_ID+".player.tuning_started").formatted(Formatting.YELLOW));
+        }
+        noteBlocks = null; 
+        notePredictions.clear();
+        tuned = false;
+        tuneInitialUntunedBlocks = -1;
+        tuningRequested = true; 
+        
+        last100MsSpanAt = System.currentTimeMillis();
+        last100MsSpanEstimatedPackets = 0;
+        reducePacketsUntil = -1L;
+        stopPacketsUntil = -1L;
+        lastLookSentAt = -1L;
+        lastSwingSentAt = -1L;
+        lastInteractAt = -1;
+        availableInteracts = 8;
+    }
+
+    // 停止调音
+    public synchronized void stopTuning() {
+        tuningRequested = false;
+    }
+
+    // 是否正在调音
+    public boolean isTuningActive() {
+        return tuningRequested;
+    }
+
+    // 是否已调音
+    public boolean isTuned() {
+        return tuned;
+    }
+
+    public HashMap<NoteBlockInstrument, HashMap<Byte, BlockPos>> getNoteBlocks() {
+        return noteBlocks;
+    }
+
+    // 播放
+    public boolean playNoteBlock(Note note) {
+        MinecraftClient client = MinecraftClient.getInstance();
+        ClientWorld world = client.world;
+        ClientPlayerEntity player = client.player;
+        GameMode gameMode = client.interactionManager == null ? null : client.interactionManager.getCurrentGameMode();
+
+        if (world == null || player == null || gameMode == null || !gameMode.isSurvivalLike()) {
+            return false;
+        }
+
+        if (noteBlocks == null || !tuned) {
+            return false; 
+        }
+
+        @Nullable BlockPos blockPos = noteBlocks.get(note.instrument()).get(note.note());
+        if(blockPos == null) {
+            return false; 
+        }
+
+        if (!canInteractWith(player, blockPos)) {
+            return false; 
+        }
+
+        return sendNotePacket(blockPos);
+    }
+
+    // 获取可交互的
+    private boolean sendNotePacket(BlockPos blockPos) {
+        MinecraftClient client = MinecraftClient.getInstance();
+        ClientPlayerEntity player = client.player;
+        long now = System.currentTimeMillis();
+        
+        if(last100MsSpanAt != -1L && now - last100MsSpanAt >= 100) {
+            last100MsSpanEstimatedPackets = 0;
+            last100MsSpanAt = now;
+        }else if (last100MsSpanAt == -1L) {
+            last100MsSpanAt = now;
+            last100MsSpanEstimatedPackets = 0;
+        }
+
+        if (stopPacketsUntil != -1L && stopPacketsUntil >= now) {
+            return false; 
+        }
+        if (reducePacketsUntil != -1L && reducePacketsUntil >= now && last100MsSpanEstimatedPackets >= last100MsReducePacketsAfter) {
+            return false; 
+        }
+        
+        if(lastInteractAt != -1L) {
+            availableInteracts += ((System.currentTimeMillis() - lastInteractAt) / (310.0f / 8.0f));
+            availableInteracts = Math.min(8f, Math.max(0f, availableInteracts));
+        }else {
+            availableInteracts = 8f;
+            lastInteractAt = System.currentTimeMillis();
+        }
+
+        if (availableInteracts < 1f) {
+            return false; 
+        }
+
+        Vec3d unit = Vec3d.ofCenter(blockPos, 0.5).subtract(player.getEyePos()).normalize();
+        boolean packetsSent = false;
+        
+        if((lastLookSentAt == -1L || now - lastLookSentAt >= 50) && last100MsSpanEstimatedPackets < last100MsReducePacketsAfter) {
+            client.getNetworkHandler().sendPacket(new PlayerMoveC2SPacket.LookAndOnGround(MathHelper.wrapDegrees((float) (MathHelper.atan2(unit.z, unit.x) * 57.2957763671875) - 90.0f), MathHelper.wrapDegrees((float) (-(MathHelper.atan2(unit.y, Math.sqrt(unit.x * unit.x + unit.z * unit.z)) * 57.2957763671875))), true, false));
+            last100MsSpanEstimatedPackets++;
+            lastLookSentAt = now;
+            packetsSent = true;
+        } else if (last100MsSpanEstimatedPackets >= last100MsReducePacketsAfter) {
+            reducePacketsUntil = Math.max(reducePacketsUntil, now + 500);
+        }
+
+        if(last100MsSpanEstimatedPackets < last100MsStopPacketsAfter) {
+            client.player.networkHandler.sendPacket(new PlayerActionC2SPacket(PlayerActionC2SPacket.Action.START_DESTROY_BLOCK, blockPos, Direction.UP, 0));
+            last100MsSpanEstimatedPackets++;
+            client.player.networkHandler.sendPacket(new PlayerActionC2SPacket(PlayerActionC2SPacket.Action.ABORT_DESTROY_BLOCK, blockPos, Direction.UP, 0));
+            last100MsSpanEstimatedPackets++;
+            lastInteractAt = now;
+            availableInteracts -= 1f; 
+            packetsSent = true;
+        } else {
+            Main.LOGGER.info("LiveDjPlayer: 短暂暂停所有数据包，因为速率受限！");
+            stopPacketsUntil = Math.max(stopPacketsUntil, now + 250);
+            reducePacketsUntil = Math.max(reducePacketsUntil, now + 10000);
+        }
+
+        if((lastSwingSentAt == -1L || now - lastSwingSentAt >= 50) && last100MsSpanEstimatedPackets < last100MsReducePacketsAfter) {
+            client.executeSync(() -> client.player.swingHand(Hand.MAIN_HAND));
+            lastSwingSentAt = now;
+            last100MsSpanEstimatedPackets++;
+            packetsSent = true;
+        } else if (last100MsSpanEstimatedPackets >= last100MsReducePacketsAfter) {
+            reducePacketsUntil = Math.max(reducePacketsUntil, now + 500);
+        }
+
+        return packetsSent;
+    }
+
+    
+    @Override
+    public void onStartTick(ClientWorld world) {
+        MinecraftClient client = MinecraftClient.getInstance();
+        if(world == null || client.world == null || client.player == null) return;
+
+        long now = System.currentTimeMillis();
+        if(last100MsSpanAt != -1L && now - last100MsSpanAt >= 100) {
+            last100MsSpanEstimatedPackets = 0;
+            last100MsSpanAt = now;
+        }else if (last100MsSpanAt == -1L) {
+            last100MsSpanAt = now;
+            last100MsSpanEstimatedPackets = 0;
+        }
+        if(lastInteractAt != -1L) {
+            availableInteracts += ((System.currentTimeMillis() - lastInteractAt) / (310.0f / 8.0f));
+            availableInteracts = Math.min(8f, Math.max(0f, availableInteracts));
+        }else {
+            availableInteracts = 8f;
+            lastInteractAt = System.currentTimeMillis();
+        }
+
+        ArrayList<BlockPos> outdatedPredictions = new ArrayList<>();
+        for(Map.Entry<BlockPos, Pair<Integer, Long>> entry : notePredictions.entrySet()) {
+            if(entry.getValue().getRight() < System.currentTimeMillis())
+                outdatedPredictions.add(entry.getKey());
+        }
+        for(BlockPos outdatedPrediction : outdatedPredictions) notePredictions.remove(outdatedPrediction);
+
+        if (tuningRequested && !tuned) {
+            ClientPlayerEntity player = client.getInstance().player;
+            GameMode gameMode = client.interactionManager == null ? null : client.interactionManager.getCurrentGameMode();
+            if (player == null || gameMode == null || !gameMode.isSurvivalLike()) {
+                noteBlocks = null;
+                notePredictions.clear();
+                tuned = false;
+                tuneInitialUntunedBlocks = -1;
+                tuningRequested = false;
+                client.inGameHud.getChatHud().addMessage(Text.translatable(Main.MOD_ID+".player.invalid_state_tuning").formatted(Formatting.RED));
+                return;
+            }
+
+            if (noteBlocks == null) { 
+                noteBlocks = new HashMap<>();
+
+                HashMap<NoteBlockInstrument, ArrayList<BlockPos>> noteblocksForInstrument = new HashMap<>();
+                for(NoteBlockInstrument instrument : NoteBlockInstrument.values())
+                    noteblocksForInstrument.put(instrument, new ArrayList<>());
+                final Vec3d playerEyePos = player.getEyePos();
+
+                final int maxOffset;
+                if(Main.config.expectedServerVersion == ModConfig.ExpectedServerVersion.v1_20_4_Or_Earlier) {
+                    maxOffset = 7;
+                }else if(Main.config.expectedServerVersion == ModConfig.ExpectedServerVersion.v1_20_5_Or_Later) {
+                    maxOffset = (int) Math.ceil(player.getBlockInteractionRange() + 1.0 + 1.0);
+                }else if(Main.config.expectedServerVersion == ModConfig.ExpectedServerVersion.All) {
+                    maxOffset = Math.min(7, (int) Math.ceil(player.getBlockInteractionRange() + 1.0 + 1.0));
+                }else {
+                    throw new NotImplementedException("ExpectedServerVersion Value not implemented: " + Main.config.expectedServerVersion.name());
+                }
+                final ArrayList<Integer> orderedOffsets = new ArrayList<>();
+                for(int offset = 0; offset <= maxOffset; offset++) {
+                    orderedOffsets.add(offset);
+                    if(offset != 0) orderedOffsets.add(offset * -1);
+                }
+
+                for(NoteBlockInstrument instrument : noteblocksForInstrument.keySet().toArray(new NoteBlockInstrument[0])) {
+                    for (int y : orderedOffsets) {
+                        for (int x : orderedOffsets) {
+                            for (int z : orderedOffsets) {
+                                Vec3d vec3d = playerEyePos.add(x, y, z);
+                                BlockPos blockPos = new BlockPos(MathHelper.floor(vec3d.x), MathHelper.floor(vec3d.y), MathHelper.floor(vec3d.z));
+                                if (!canInteractWith(player, blockPos))
+                                    continue;
+                                BlockState blockState = world.getBlockState(blockPos);
+                                if (!blockState.isOf(Blocks.NOTE_BLOCK) || !world.isAir(blockPos.up()))
+                                    continue;
+
+                                if (blockState.get(Properties.INSTRUMENT) == instrument)
+                                    noteblocksForInstrument.get(instrument).add(blockPos);
+                            }
+                        }
+                    }
+                }
+
+                ArrayList<Note> neededNotes = new ArrayList<>();
+                
+                if (Main.keyMappingManager != null) {
+                    for (Note mappedNote : Main.keyMappingManager.getMappings().values()) {
+                        if (mappedNote != null && !neededNotes.contains(mappedNote)) {
+                            neededNotes.add(mappedNote);
+                        }
+                    }
+                }
+
+                ArrayList<Note> capturedNotes = new ArrayList<>();
+                for(Note note : neededNotes) {
+                    ArrayList<BlockPos> availableBlocks = noteblocksForInstrument.get(note.instrument());
+                    if(availableBlocks == null) {
+                        getNotesMapForInstrument(note.instrument()).put(note.note(), null);
+                        continue;
+                    }
+                    BlockPos bestBlockPos = null;
+                    int bestBlockTuningSteps = Integer.MAX_VALUE;
+                    for(BlockPos blockPos : availableBlocks) {
+                        boolean alreadyAssigned = false;
+                        if (noteBlocks != null) {
+                            for (HashMap<Byte, BlockPos> instrumentNotes : noteBlocks.values()) {
+                                if (instrumentNotes != null && instrumentNotes.containsValue(blockPos)) {
+                                    alreadyAssigned = true;
+                                    break;
+                                }
+                            }
+                        }
+                        if (alreadyAssigned) continue;
+
+                        int wantedNote = note.note();
+                        BlockState blockState = world.getBlockState(blockPos);
+                        if (!blockState.contains(Properties.NOTE)) continue;
+                        int currentNote = blockState.get(Properties.NOTE);
+                        int tuningSteps = wantedNote >= currentNote ? wantedNote - currentNote : (25 - currentNote) + wantedNote;
+
+                        if(tuningSteps < bestBlockTuningSteps) {
+                            bestBlockPos = blockPos;
+                            bestBlockTuningSteps = tuningSteps;
+                        }
+                    }
+
+                    if(bestBlockPos != null) {
+                        capturedNotes.add(note);
+                        availableBlocks.remove(bestBlockPos);
+                        getNotesMapForInstrument(note.instrument()).put(note.note(), bestBlockPos);
+                    }
+                }
+
+                ArrayList<Note> missingNotes = new ArrayList<>(neededNotes);
+                missingNotes.removeAll(capturedNotes);
+                if (!missingNotes.isEmpty()) {
+                    ChatHud chatHud = MinecraftClient.getInstance().inGameHud.getChatHud();
+                    chatHud.addMessage(Text.translatable(Main.MOD_ID+".player.invalid_note_blocks").formatted(Formatting.RED));
+
+                    HashMap<Block, Integer> missing = new HashMap<>();
+                    for (Note note : missingNotes) {
+                        Block block = Note.INSTRUMENT_BLOCKS.get(note.instrument());
+                        Integer got = missing.get(block);
+                        if (got == null) got = 0;
+                        missing.put(block, got + 1);
+                    }
+                    missingInstrumentBlocks = missing;
+                    missing.forEach((block, integer) -> chatHud.addMessage(Text.literal(block.getName().getString()+" × "+integer).formatted(Formatting.RED)));
+                } else {
+                    missingInstrumentBlocks.clear();
+                }
+            }
+
+            
+            int ping = 0;
+            {
+                PlayerListEntry playerListEntry;
+                if (client.getNetworkHandler() != null && (playerListEntry = client.getNetworkHandler().getPlayerListEntry(client.player.getGameProfile().getId())) != null)
+                    ping = playerListEntry.getLatency();
+            }
+
+            int fullyTunedBlocks = 0;
+            HashMap<BlockPos, Integer> untunedNotes = new HashMap<>();
+
+            if (noteBlocks != null) {
+                for (HashMap<Byte, BlockPos> instrumentNotes : noteBlocks.values()) {
+                    if (instrumentNotes == null) continue;
+                    for (Map.Entry<Byte, BlockPos> entry : instrumentNotes.entrySet()) {
+                        BlockPos blockPos = entry.getValue();
+                        Byte wantedNote = entry.getKey();
+
+                        if (blockPos == null) continue;
+
+                        BlockState blockState = world.getBlockState(blockPos);
+                        if (!blockState.contains(Properties.NOTE)) {
+                            Main.LOGGER.warn("LiveDjPlayer: 音符盒在 {} 处在调音过程中改变了状态", blockPos);
+                            noteBlocks = null; 
+                            tuned = false;
+                            tuningRequested = false;
+                            return;
+                        }
+
+                        int assumedNote = notePredictions.containsKey(blockPos) ? notePredictions.get(blockPos).getLeft() : blockState.get(Properties.NOTE);
+
+                        byte wantedNotePrimitive = wantedNote.byteValue();
+
+                        if(assumedNote == wantedNotePrimitive && blockState.get(Properties.NOTE).intValue() == wantedNotePrimitive) {
+                            fullyTunedBlocks++;
+                        } else if (assumedNote != wantedNotePrimitive) {
+                            untunedNotes.put(blockPos, blockState.get(Properties.NOTE).intValue());
+                        }
+                    }
+                }
+            }
+
+            int existingUniqueNotesCount = 0;
+            if (noteBlocks != null) {
+                for(HashMap<Byte, BlockPos> instrumentNotes : noteBlocks.values()) {
+                    if (instrumentNotes != null) {
+                        for (BlockPos pos : instrumentNotes.values()) {
+                            if (pos != null) {
+                                existingUniqueNotesCount++;
+                            }
+                        }
+                    }
+                }
+            }
+
+            if(untunedNotes.isEmpty() && fullyTunedBlocks == existingUniqueNotesCount) {
+                if(lastInteractAt == -1 || System.currentTimeMillis() - lastInteractAt >= ping * 2 + 100) {
+                    tuned = true;
+                    tuningRequested = false; 
+                    tuneInitialUntunedBlocks = -1;
+                    client.inGameHud.getChatHud().addMessage(Text.translatable(Main.MOD_ID+".player.tuned").formatted(Formatting.GREEN));
+                }
+            } else {
+                tuned = false;
+                if(tuneInitialUntunedBlocks == -1 || tuneInitialUntunedBlocks < untunedNotes.size())
+                    tuneInitialUntunedBlocks = untunedNotes.size();
+                if (availableInteracts >= 1f && !untunedNotes.isEmpty()) {
+                    BlockPos blockPosToTune = untunedNotes.keySet().iterator().next();
+                    int currentNote = untunedNotes.get(blockPosToTune);
+                    Byte targetNote = null;
+                    if (noteBlocks != null) {
+                        for (HashMap<Byte, BlockPos> instrumentNotes : noteBlocks.values()) {
+                            if (instrumentNotes != null) {
+                                for (Map.Entry<Byte, BlockPos> entry : instrumentNotes.entrySet()) {
+                                    if (blockPosToTune.equals(entry.getValue())) {
+                                        targetNote = entry.getKey();
+                                        break;
+                                    }
+                                }
+                            }
+                            if (targetNote != null) break;
+                        }
+                    }
+
+                    if (targetNote != null) {
+                        byte targetNotePrimitive = targetNote.byteValue();
+                        int tuningSteps = targetNotePrimitive >= currentNote ? targetNotePrimitive - currentNote : (25 - currentNote) + targetNotePrimitive;
+
+                        if (tuningSteps > 0) {
+                            int predictedNote = (currentNote + 1) % 25;
+                            notePredictions.put(blockPosToTune, new Pair<>(predictedNote, System.currentTimeMillis() + ping * 2 + 100));
+                            client.interactionManager.interactBlock(client.player, Hand.MAIN_HAND, new BlockHitResult(Vec3d.of(blockPosToTune), Direction.UP, blockPosToTune, false));
+                            lastInteractAt = System.currentTimeMillis();
+                            availableInteracts -= 1f;
+                            client.player.swingHand(Hand.MAIN_HAND);
+                        } else {
+                            untunedNotes.remove(blockPosToTune);
+                        }
+                    } else {
+                        untunedNotes.remove(blockPosToTune);
+                    }
+                }
+            }
+        }
+    }
+
+    private HashMap<Byte, BlockPos> getNotesMapForInstrument(NoteBlockInstrument instrument) {
+        if (noteBlocks == null) {
+            noteBlocks = new HashMap<>();
+        }
+        return noteBlocks.computeIfAbsent(instrument, k -> new HashMap<>());
+    }
+
+    // 检测玩家是否可以与指定方块进行交互
+    public boolean canInteractWith(ClientPlayerEntity player, BlockPos blockPos) {
+        final Vec3d eyePos = player.getEyePos();
+        if(Main.config.expectedServerVersion == ModConfig.ExpectedServerVersion.v1_20_4_Or_Earlier) {
+            return eyePos.squaredDistanceTo(blockPos.toCenterPos()) <= 6.0 * 6.0;
+        }else if(Main.config.expectedServerVersion == ModConfig.ExpectedServerVersion.v1_20_5_Or_Later) {
+            double blockInteractRange = player.getBlockInteractionRange() + 1.0;
+            return new Box(blockPos).squaredMagnitude(eyePos) < blockInteractRange * blockInteractRange;
+        }else if(Main.config.expectedServerVersion == ModConfig.ExpectedServerVersion.All) {
+            double blockInteractRange = player.getBlockInteractionRange() + 1.0;
+            return eyePos.squaredDistanceTo(blockPos.toCenterPos()) <= 6.0 * 6.0 && new Box(blockPos).squaredMagnitude(eyePos) < blockInteractRange * blockInteractRange;
+        }else {
+            throw new NotImplementedException("ExpectedServerVersion Value not implemented: " + Main.config.expectedServerVersion.name());
+        }
+    }
+}
diff --git a/src/main/java/semmiedev/disc_jockey_revive/Main.java b/src/main/java/semmiedev/disc_jockey_revive/Main.java
index 72a902b..37b0108 100644
--- a/src/main/java/semmiedev/disc_jockey_revive/Main.java
+++ b/src/main/java/semmiedev/disc_jockey_revive/Main.java
@@ -23,6 +23,7 @@ import org.lwjgl.glfw.GLFW;
 import semmiedev.disc_jockey_revive.gui.hud.BlocksOverlay;
 import semmiedev.disc_jockey_revive.gui.hud.PlaybackProgressOverlay;
 import semmiedev.disc_jockey_revive.gui.screen.DiscJockeyScreen;
+import semmiedev.disc_jockey_revive.gui.screen.LiveDjScreen;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -34,10 +35,13 @@ public class Main implements ClientModInitializer {
     public static final ArrayList<ClientTickEvents.StartWorldTick> TICK_LISTENERS = new ArrayList<>();
     public static final Previewer PREVIEWER = new Previewer();
     public static final SongPlayer SONG_PLAYER = new SongPlayer();
+    public static final LiveDjPlayer LIVE_DJ_PLAYER = new LiveDjPlayer();
 
     public static File songsFolder;
     public static ModConfig config;
     public static ConfigHolder<ModConfig> configHolder;
+    public static KeyMappingManager keyMappingManager;
+
 
     @Override
     public void onInitializeClient() {
@@ -49,8 +53,12 @@ public class Main implements ClientModInitializer {
 
         SongLoader.loadSongs();
 
+        keyMappingManager = new KeyMappingManager();
+
         KeyBinding openScreenKeyBind = KeyBindingHelper.registerKeyBinding(new KeyBinding(MOD_ID+".key_bind.open_screen", InputUtil.Type.KEYSYM, GLFW.GLFW_KEY_J, "key.category."+MOD_ID));
 
+        KeyBinding openLiveDjScreenKeyBind = KeyBindingHelper.registerKeyBinding(new KeyBinding(MOD_ID+".key_bind.open_live_dj_screen", InputUtil.Type.KEYSYM, GLFW.GLFW_KEY_UNKNOWN, "key.category."+MOD_ID));
+
         ClientTickEvents.START_CLIENT_TICK.register(new ClientTickEvents.StartTick() {
             private ClientWorld prevWorld;
 
@@ -59,6 +67,7 @@ public class Main implements ClientModInitializer {
                 if (prevWorld != client.world) {
                     PREVIEWER.stop();
                     SONG_PLAYER.stop();
+                    LIVE_DJ_PLAYER.stopTuning();
                 }
                 prevWorld = client.world;
 
@@ -70,6 +79,14 @@ public class Main implements ClientModInitializer {
                         client.setScreen(new DiscJockeyScreen());
                     }
                 }
+                if (openLiveDjScreenKeyBind.wasPressed()) {
+                    if (SongLoader.loadingSongs) {
+                        client.inGameHud.getChatHud().addMessage(Text.translatable(Main.MOD_ID+".still_loading").formatted(Formatting.RED));
+                        SongLoader.showToast = true;
+                    } else {
+                        client.setScreen(new LiveDjScreen());
+                    }
+                }
             }
         });
 
@@ -84,6 +101,7 @@ public class Main implements ClientModInitializer {
         ClientLoginConnectionEvents.DISCONNECT.register((handler, client) -> {
             PREVIEWER.stop();
             SONG_PLAYER.stop();
+            LIVE_DJ_PLAYER.stopTuning();
         });
 
         HudRenderCallback.EVENT.register(new PlaybackProgressOverlay());
diff --git a/src/main/java/semmiedev/disc_jockey_revive/ModConfig.java b/src/main/java/semmiedev/disc_jockey_revive/ModConfig.java
index 2ad0fba..3e81cc9 100644
--- a/src/main/java/semmiedev/disc_jockey_revive/ModConfig.java
+++ b/src/main/java/semmiedev/disc_jockey_revive/ModConfig.java
@@ -49,4 +49,7 @@ public class ModConfig implements ConfigData {
 
     @ConfigEntry.Gui.Tooltip(count = 1)
     public boolean showHudProgressBar = true;
+
+    @ConfigEntry.Gui.Tooltip(count = 1)
+    public boolean debugModeEnabled = false;
 }
diff --git a/src/main/java/semmiedev/disc_jockey_revive/gui/KeyMappingListWidget.java b/src/main/java/semmiedev/disc_jockey_revive/gui/KeyMappingListWidget.java
new file mode 100644
index 0000000..52230fe
--- /dev/null
+++ b/src/main/java/semmiedev/disc_jockey_revive/gui/KeyMappingListWidget.java
@@ -0,0 +1,135 @@
+package semmiedev.disc_jockey_revive.gui;
+
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.gui.screen.narration.NarrationMessageBuilder;
+import net.minecraft.client.gui.screen.narration.NarrationPart;
+import net.minecraft.client.gui.widget.ButtonWidget;
+import net.minecraft.client.gui.widget.EntryListWidget;
+import net.minecraft.client.util.InputUtil;
+import net.minecraft.text.Text;
+import semmiedev.disc_jockey_revive.KeyMappingManager;
+import semmiedev.disc_jockey_revive.Main;
+import semmiedev.disc_jockey_revive.Note;
+import semmiedev.disc_jockey_revive.gui.screen.EditKeyMappingsScreen;
+
+import java.util.Comparator;
+import java.util.Map;
+
+public class KeyMappingListWidget extends EntryListWidget<KeyMappingListWidget.KeyMappingEntry> {
+
+    private final EditKeyMappingsScreen parentScreen;
+    private boolean buttonsActive = true; 
+
+    public KeyMappingListWidget(MinecraftClient client, int width, int height, int top, int itemHeight, EditKeyMappingsScreen parentScreen) {
+        super(client, width, height, top, itemHeight);
+        this.parentScreen = parentScreen;
+        this.centerListVertically = false; 
+    }
+    public void setMappings(Map<InputUtil.Key, Note> mappings) {
+        this.clearEntries(); 
+        for (Map.Entry<InputUtil.Key, Note> entry : mappings.entrySet()) {
+            
+            this.addEntry(new KeyMappingEntry(entry.getKey(), entry.getValue(), this.parentScreen));
+        }
+        
+        this.children().sort(Comparator.comparing(entry -> entry.getKey().getTranslationKey()));
+        
+        setButtonsActive(this.buttonsActive);
+    }
+    public void setButtonsActive(boolean active) {
+        this.buttonsActive = active;
+        
+        for (KeyMappingEntry entry : children()) {
+            entry.setButtonsActive(active);
+        }
+    }
+    @Override
+    public int getRowWidth() {
+        return this.width - 40; 
+    }
+
+    @Override
+    protected int getScrollbarX() {
+        return this.width - 10; 
+    }
+
+    @Override
+    protected void appendClickableNarrations(NarrationMessageBuilder builder) {
+    }
+
+    public class KeyMappingEntry extends EntryListWidget.Entry<KeyMappingEntry> {
+        private final InputUtil.Key key;
+        private final Note note;
+        private final EditKeyMappingsScreen screen;
+
+        private ButtonWidget changeButton;
+        private ButtonWidget removeButton;
+
+        public KeyMappingEntry(InputUtil.Key key, Note note, EditKeyMappingsScreen screen) {
+            this.key = key;
+            this.note = note;
+            this.screen = screen;
+        }
+
+        public InputUtil.Key getKey() {
+            return key;
+        }
+
+        public Note getNote() {
+            return note;
+        }
+
+        public void setButtonsActive(boolean active) {
+            if (changeButton != null) changeButton.active = active;
+            if (removeButton != null) removeButton.active = active;
+        }
+        @Override
+        public void render(DrawContext context, int index, int y, int x, int entryWidth, int entryHeight, int mouseX, int mouseY, boolean hovered, float tickDelta) {
+            MinecraftClient client = MinecraftClient.getInstance();
+            int textY = y + (entryHeight - client.textRenderer.fontHeight) / 2;
+            Text keyText = Text.translatable(key.getTranslationKey());
+            context.drawTextWithShadow(client.textRenderer, keyText, x + 5, textY, 0xFFFFFF);
+            String noteDisplayName = KeyMappingManager.getNoteDisplayName(note);
+            context.drawTextWithShadow(client.textRenderer, noteDisplayName, x + 100, textY, 0xAAAAAA); 
+            int buttonWidth = 50;
+            int buttonHeight = 18;
+            int buttonY = y + (entryHeight - buttonHeight) / 2;
+            int buttonX = x + entryWidth - buttonWidth - 5; 
+            changeButton = ButtonWidget.builder(Text.translatable(Main.MOD_ID + ".screen.edit_mappings.change"), button -> {
+                screen.startWaitingForKeyPress(this); 
+            }).dimensions(buttonX - buttonWidth - 5, buttonY, buttonWidth, buttonHeight).build(); 
+            changeButton.render(context, mouseX, mouseY, tickDelta);
+            changeButton.active = buttonsActive; 
+            removeButton = ButtonWidget.builder(Text.translatable(Main.MOD_ID + ".screen.edit_mappings.remove"), button -> {
+                screen.removeMapping(key); 
+            }).dimensions(buttonX, buttonY, buttonWidth, buttonHeight).build();
+            removeButton.render(context, mouseX, mouseY, tickDelta);
+            removeButton.active = buttonsActive; 
+        }
+
+        @Override
+        public boolean mouseClicked(double mouseX, double mouseY, int button) {
+            
+            if (changeButton.mouseClicked(mouseX, mouseY, button)) {
+                return true;
+            }
+            if (removeButton.mouseClicked(mouseX, mouseY, button)) {
+                return true;
+            }
+            return false; 
+        }
+
+        @Override
+        public boolean isMouseOver(double mouseX, double mouseY) {
+            return super.isMouseOver(mouseX, mouseY) ||
+                    (changeButton != null && changeButton.isMouseOver(mouseX, mouseY)) ||
+                    (removeButton != null && removeButton.isMouseOver(mouseX, mouseY));
+        }
+        public void appendClickableNarrations(NarrationMessageBuilder builder) {
+            builder.put(NarrationPart.TITLE, Text.translatable(key.getTranslationKey()).append(" -> ").append(KeyMappingManager.getNoteDisplayName(note)));
+            if (changeButton != null) changeButton.appendNarrations(builder);
+            if (removeButton != null) removeButton.appendNarrations(builder);
+        }
+    }
+}
diff --git a/src/main/java/semmiedev/disc_jockey_revive/gui/hud/PlaybackProgressOverlay.java b/src/main/java/semmiedev/disc_jockey_revive/gui/hud/PlaybackProgressOverlay.java
index e095c23..8142767 100644
--- a/src/main/java/semmiedev/disc_jockey_revive/gui/hud/PlaybackProgressOverlay.java
+++ b/src/main/java/semmiedev/disc_jockey_revive/gui/hud/PlaybackProgressOverlay.java
@@ -29,7 +29,7 @@ public class PlaybackProgressOverlay implements HudRenderCallback {
             int screenHeight = context.getScaledWindowHeight();
 
             int barX = screenWidth / 2 - PROGRESS_BAR_WIDTH / 2;
-            int barY = screenHeight - 50;
+            int barY = screenHeight - 55;
 
             progressBarRenderer.renderProgressBar(
                     context,
diff --git a/src/main/java/semmiedev/disc_jockey_revive/gui/screen/DiscJockeyScreen.java b/src/main/java/semmiedev/disc_jockey_revive/gui/screen/DiscJockeyScreen.java
index 58269d3..aae8c14 100644
--- a/src/main/java/semmiedev/disc_jockey_revive/gui/screen/DiscJockeyScreen.java
+++ b/src/main/java/semmiedev/disc_jockey_revive/gui/screen/DiscJockeyScreen.java
@@ -56,14 +56,12 @@ public class DiscJockeyScreen extends Screen {
 
     private static final MutableText
             OPEN_FOLDER = Text.translatable(Main.MOD_ID+".screen.open_folder"),
-            RELOAD = Text.translatable(Main.MOD_ID+".screen.reload");
+            RELOAD = Text.translatable(Main.MOD_ID+".screen.reload"),
+            LIVE_DJ = Text.translatable(Main.MOD_ID+".screen.live_dj").formatted(Formatting.GOLD);
 
     private ButtonWidget folderUpButton, playModeButton;
     public SongFolder currentFolder;
     private PlayMode currentPlayMode = PlayMode.STOP_AFTER;
-    private int progressBarWidth = 200; // 进度条宽度
-    private int progressBarHeight = 5;  // 进度条高度
-    private int progressBarYOffset = 5; // 进度条Y偏移
 
     private ProgressBarRenderer progressBarRenderer;
 
@@ -126,14 +124,14 @@ public class DiscJockeyScreen extends Screen {
         if (isLargeScreen){
             buttonY = height - 30;
         } else {
-            buttonY = height - 60;
+            buttonY = height - 30; // awa
         }
         int centerX = width / 2;
 
         // 上一首
         addDrawableChild(ButtonWidget.builder(Text.literal("◀◀◀"), button -> {
             Main.SONG_PLAYER.playPreviousSong();
-        }).dimensions(centerX - 110, buttonY, 40, 20).build());
+        }).dimensions(centerX - 100, buttonY, 40, 20).build());
 
         // 播放暂停
         playButton = ButtonWidget.builder(PLAY, button -> {
@@ -168,44 +166,47 @@ public class DiscJockeyScreen extends Screen {
         int bottomY = height - 30;
 
 
-        addDrawableChild(ButtonWidget.builder(Text.translatable(Main.MOD_ID+".screen.blocks"), button -> {
-            // TODO: 6/2/2022 Add an auto build mode
-            if (BlocksOverlay.itemStacks == null) {
-                SongListWidget.SongEntry entry = songListWidget.getSelectedSongOrNull();
-                if (entry != null) {
-                    client.setScreen(null);
+        // 音符盒
+        if (isLargeScreen) {
+            addDrawableChild(ButtonWidget.builder(Text.translatable(Main.MOD_ID + ".screen.blocks"), button -> {
+                // TODO: 6/2/2022 Add an auto build mode
+                if (BlocksOverlay.itemStacks == null) {
+                    SongListWidget.SongEntry entry = songListWidget.getSelectedSongOrNull();
+                    if (entry != null) {
+                        client.setScreen(null);
 
-                    BlocksOverlay.itemStacks = new ItemStack[0];
-                    BlocksOverlay.amounts = new int[0];
-                    BlocksOverlay.amountOfNoteBlocks = entry.song.uniqueNotes.size();
+                        BlocksOverlay.itemStacks = new ItemStack[0];
+                        BlocksOverlay.amounts = new int[0];
+                        BlocksOverlay.amountOfNoteBlocks = entry.song.uniqueNotes.size();
 
-                    for (Note note : entry.song.uniqueNotes) {
-                        ItemStack itemStack = Note.INSTRUMENT_BLOCKS.get(note.instrument()).asItem().getDefaultStack();
-                        int index = -1;
+                        for (Note note : entry.song.uniqueNotes) {
+                            ItemStack itemStack = Note.INSTRUMENT_BLOCKS.get(note.instrument()).asItem().getDefaultStack();
+                            int index = -1;
 
-                        for (int i = 0; i < BlocksOverlay.itemStacks.length; i++) {
-                            if (BlocksOverlay.itemStacks[i].getItem() == itemStack.getItem()) {
-                                index = i;
-                                break;
+                            for (int i = 0; i < BlocksOverlay.itemStacks.length; i++) {
+                                if (BlocksOverlay.itemStacks[i].getItem() == itemStack.getItem()) {
+                                    index = i;
+                                    break;
+                                }
+                            }
+
+                            if (index == -1) {
+                                BlocksOverlay.itemStacks = Arrays.copyOf(BlocksOverlay.itemStacks, BlocksOverlay.itemStacks.length + 1);
+                                BlocksOverlay.amounts = Arrays.copyOf(BlocksOverlay.amounts, BlocksOverlay.amounts.length + 1);
+
+                                BlocksOverlay.itemStacks[BlocksOverlay.itemStacks.length - 1] = itemStack;
+                                BlocksOverlay.amounts[BlocksOverlay.amounts.length - 1] = 1;
+                            } else {
+                                BlocksOverlay.amounts[index] = BlocksOverlay.amounts[index] + 1;
                             }
                         }
-
-                        if (index == -1) {
-                            BlocksOverlay.itemStacks = Arrays.copyOf(BlocksOverlay.itemStacks, BlocksOverlay.itemStacks.length + 1);
-                            BlocksOverlay.amounts = Arrays.copyOf(BlocksOverlay.amounts, BlocksOverlay.amounts.length + 1);
-
-                            BlocksOverlay.itemStacks[BlocksOverlay.itemStacks.length - 1] = itemStack;
-                            BlocksOverlay.amounts[BlocksOverlay.amounts.length - 1] = 1;
-                        } else {
-                            BlocksOverlay.amounts[index] = BlocksOverlay.amounts[index] + 1;
-                        }
                     }
+                } else {
+                    BlocksOverlay.itemStacks = null;
+                    client.setScreen(null);
                 }
-            } else {
-                BlocksOverlay.itemStacks = null;
-                client.setScreen(null);
-            }
-        }).dimensions(width - 110, height - 31, 100, 20).build());
+            }).dimensions(width - 110, height - 31, 100, 20).build());
+        }
 
         // 打开文件夹
         addDrawableChild(ButtonWidget.builder(OPEN_FOLDER, button -> {
@@ -238,19 +239,31 @@ public class DiscJockeyScreen extends Screen {
 
 
         // 重新加载
-        addDrawableChild(ButtonWidget.builder(RELOAD, button -> {
-            SongLoader.loadSongs();
-            client.setScreen(null);
-        }).dimensions(120, bottomY, 100, 20).build());
+        if (isLargeScreen) {
+            addDrawableChild(ButtonWidget.builder(RELOAD, button -> {
+                SongLoader.loadSongs();
+                client.setScreen(null);
+            }).dimensions(120, bottomY, 100, 20).build());
+        }
 
-        TextFieldWidget searchBar = new TextFieldWidget(textRenderer, 230, height - 31, 100, 20, Text.translatable(Main.MOD_ID+".screen.search"));
-        searchBar.setChangedListener(query -> {
-            query = query.toLowerCase().replaceAll("\\s", "");
-            if (this.query.equals(query)) return;
-            this.query = query;
-            shouldFilter = true;
-        });
-        addDrawableChild(searchBar);
+        // 即兴演奏
+        if (isLargeScreen) {
+            addDrawableChild(ButtonWidget.builder(LIVE_DJ, button -> {
+                client.setScreen(new LiveDjScreen());
+            }).dimensions(width - 220, bottomY, 100, 20).build());
+        }
+
+        // 搜索框
+        if (isLargeScreen) {
+            TextFieldWidget searchBar = new TextFieldWidget(textRenderer, 230, height - 31, 100, 20, Text.translatable(Main.MOD_ID + ".screen.search"));
+            searchBar.setChangedListener(query -> {
+                query = query.toLowerCase().replaceAll("\\s", "");
+                if (this.query.equals(query)) return;
+                this.query = query;
+                shouldFilter = true;
+            });
+            addDrawableChild(searchBar);
+        }
 
         // Main.LOGGER.info("播放界面初始化完成！");
 
@@ -328,7 +341,7 @@ public class DiscJockeyScreen extends Screen {
                 }
             }
 
-            // 只有在songs目录或其子目录中才显示歌曲(原作者的💩跑我这了)
+            // 只有在songs目录或其子目录中才显示歌曲(在搞了在搞了)
             if (isInSongsOrSubfolder) {
                 // 歌曲条目
                 List<Song> songsToShow = currentFolder == null ?
diff --git a/src/main/java/semmiedev/disc_jockey_revive/gui/screen/EditKeyMappingsScreen.java b/src/main/java/semmiedev/disc_jockey_revive/gui/screen/EditKeyMappingsScreen.java
new file mode 100644
index 0000000..569b9bb
--- /dev/null
+++ b/src/main/java/semmiedev/disc_jockey_revive/gui/screen/EditKeyMappingsScreen.java
@@ -0,0 +1,146 @@
+package semmiedev.disc_jockey_revive.gui.screen;
+
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.widget.ButtonWidget;
+import net.minecraft.client.util.InputUtil;
+import net.minecraft.text.Text;
+import org.lwjgl.glfw.GLFW;
+import semmiedev.disc_jockey_revive.Main;
+import semmiedev.disc_jockey_revive.Note;
+import semmiedev.disc_jockey_revive.gui.KeyMappingListWidget;
+
+public class EditKeyMappingsScreen extends Screen {
+
+    private static final Text TITLE = Text.translatable(Main.MOD_ID + ".screen.edit_mappings.title");
+    private static final Text ADD_MAPPING_BUTTON_TEXT = Text.translatable(Main.MOD_ID + ".screen.edit_mappings.add_mapping");
+    private static final Text DONE_BUTTON_TEXT = Text.translatable("gui.done");
+    private static final Text PRESS_KEY_INSTRUCTION = Text.translatable(Main.MOD_ID + ".screen.edit_mappings.press_key");
+
+    private final Screen parent;
+    private KeyMappingListWidget mappingListWidget;
+    private ButtonWidget addMappingButton;
+    private ButtonWidget doneButton;
+
+    private boolean waitingForKeyPress = false;
+    private KeyMappingListWidget.KeyMappingEntry entryToEdit = null; 
+
+    public EditKeyMappingsScreen(Screen parent) {
+        super(TITLE);
+        this.parent = parent;
+    }
+
+    @Override
+    protected void init() {
+        super.init();
+
+        int listTop = 40;
+        int listBottom = this.height - 50; 
+        int listHeight = listBottom - listTop;
+
+        mappingListWidget = new KeyMappingListWidget(this.client, this.width, listHeight, listTop, 20, this);
+        addDrawableChild(mappingListWidget);
+        refreshMappingList();
+        int buttonWidth = 100;
+        int buttonHeight = 20;
+        int buttonY = this.height - 30;
+        int buttonX = this.width / 2 - buttonWidth - 5; 
+
+        addMappingButton = ButtonWidget.builder(ADD_MAPPING_BUTTON_TEXT, button -> {
+            startWaitingForKeyPress(null); 
+        }).dimensions(buttonX, buttonY, buttonWidth, buttonHeight).build();
+        addDrawableChild(addMappingButton);
+        buttonX = this.width / 2 + 5; 
+        doneButton = ButtonWidget.builder(DONE_BUTTON_TEXT, button -> {
+            Main.keyMappingManager.saveMappings(); 
+            this.client.setScreen(this.parent); 
+        }).dimensions(buttonX, buttonY, buttonWidth, buttonHeight).build();
+        addDrawableChild(doneButton);
+    }
+
+    private void refreshMappingList() {
+        
+        mappingListWidget.setMappings(Main.keyMappingManager.getMappings());
+    }
+    public void startWaitingForKeyPress(KeyMappingListWidget.KeyMappingEntry entry) {
+        this.waitingForKeyPress = true;
+        this.entryToEdit = entry; 
+        
+        addMappingButton.active = false;
+        doneButton.active = false;
+        mappingListWidget.setButtonsActive(false);
+    }
+    public void addNewMapping(InputUtil.Key key, Note note) {
+        Main.keyMappingManager.setMapping(key, note);
+        refreshMappingList();
+        
+    }
+    public void removeMapping(InputUtil.Key key) {
+        Main.keyMappingManager.removeMapping(key);
+        refreshMappingList();
+    }
+    public void stopWaitingForKeyPress() {
+        this.waitingForKeyPress = false;
+        this.entryToEdit = null;
+        
+        addMappingButton.active = true;
+        doneButton.active = true;
+        mappingListWidget.setButtonsActive(true);
+    }
+
+    @Override
+    public boolean keyPressed(int keyCode, int scanCode, int modifiers) {
+        if (waitingForKeyPress) {
+            if (keyCode == GLFW.GLFW_KEY_ESCAPE) {
+                
+                stopWaitingForKeyPress();
+                return true;
+            }
+
+            InputUtil.Key pressedKey = InputUtil.fromKeyCode(keyCode, scanCode);
+
+            if (entryToEdit != null) {
+                
+                Note note = entryToEdit.getNote();
+                
+                Main.keyMappingManager.removeMapping(entryToEdit.getKey());
+                
+                Main.keyMappingManager.setMapping(pressedKey, note);
+                refreshMappingList();
+                stopWaitingForKeyPress();
+            } else {
+                this.client.setScreen(new SelectNoteScreen(this, pressedKey));
+                
+            }
+            return true; 
+        }
+        if (mappingListWidget.keyPressed(keyCode, scanCode, modifiers)) {
+            return true;
+        }
+        if (keyCode == GLFW.GLFW_KEY_ESCAPE) {
+            Main.keyMappingManager.saveMappings();
+            this.client.setScreen(this.parent);
+            return true;
+        }
+
+        return super.keyPressed(keyCode, scanCode, modifiers);
+    }
+
+    @Override
+    public void render(DrawContext context, int mouseX, int mouseY, float delta) {
+        super.render(context, mouseX, mouseY, delta);
+        context.drawCenteredTextWithShadow(textRenderer, TITLE, this.width / 2, 10, 0xFFFFFF);
+        if (waitingForKeyPress) {
+            
+            context.fill(0, 0, this.width, this.height, 0x80000000); 
+            context.drawCenteredTextWithShadow(textRenderer, PRESS_KEY_INSTRUCTION, this.width / 2, this.height / 2 - 10, 0xFFFFFF);
+        }
+        mappingListWidget.render(context, mouseX, mouseY, delta);
+    }
+
+    @Override
+    public boolean shouldPause() {
+        
+        return true;
+    }
+}
diff --git a/src/main/java/semmiedev/disc_jockey_revive/gui/screen/LiveDjScreen.java b/src/main/java/semmiedev/disc_jockey_revive/gui/screen/LiveDjScreen.java
new file mode 100644
index 0000000..f5b89ab
--- /dev/null
+++ b/src/main/java/semmiedev/disc_jockey_revive/gui/screen/LiveDjScreen.java
@@ -0,0 +1,179 @@
+package semmiedev.disc_jockey_revive.gui.screen;
+
+import me.shedaniel.cloth.clothconfig.shadowed.blue.endless.jankson.annotation.Nullable;
+import net.minecraft.block.Block; 
+import net.minecraft.block.enums.NoteBlockInstrument; 
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.widget.ButtonWidget;
+import net.minecraft.client.util.InputUtil;
+import net.minecraft.text.Text;
+import semmiedev.disc_jockey_revive.DebugLogger;
+import semmiedev.disc_jockey_revive.Main;
+import semmiedev.disc_jockey_revive.Note;
+import semmiedev.disc_jockey_revive.KeyMappingManager;
+import org.lwjgl.glfw.GLFW;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class LiveDjScreen extends Screen {
+
+    private static final Text TITLE = Text.translatable(Main.MOD_ID + ".screen.live_dj.title");
+    private static final Text INSTRUCTIONS = Text.translatable(Main.MOD_ID + ".screen.live_dj.instructions");
+    private static final Text EDIT_MAPPINGS_BUTTON_TEXT = Text.translatable(Main.MOD_ID + ".screen.live_dj.edit_mappings");
+    private static final Text START_TUNING_BUTTON_TEXT = Text.translatable(Main.MOD_ID + ".screen.live_dj.start_tuning");
+    private static final Text NOT_TUNED_MESSAGE = Text.translatable(Main.MOD_ID + ".player.not_tuned").formatted(net.minecraft.util.Formatting.RED);
+    private static final Text NOTE_BLOCK_MISSING_MESSAGE = Text.translatable(Main.MOD_ID + ".player.note_block_missing_live").formatted(net.minecraft.util.Formatting.RED);
+    private static final Text TOO_FAR_MESSAGE = Text.translatable(Main.MOD_ID + ".player.to_far_live").formatted(net.minecraft.util.Formatting.RED);
+    private static final Text RATE_LIMITED_MESSAGE = Text.translatable(Main.MOD_ID + ".player.rate_limited_live").formatted(net.minecraft.util.Formatting.YELLOW);
+    private ButtonWidget startTuningButton;
+
+    public LiveDjScreen() {
+        super(TITLE);
+    }
+
+    @Override
+    protected void init() {
+        super.init();
+
+        int centerX = this.width / 2;
+        int buttonWidth = 150;
+        int buttonHeight = 20;
+        int buttonY = this.height - 30;
+        int margin = 5;
+        addDrawableChild(ButtonWidget.builder(EDIT_MAPPINGS_BUTTON_TEXT, button -> {
+            MinecraftClient.getInstance().setScreen(new EditKeyMappingsScreen(this));
+        }).dimensions(centerX - buttonWidth - margin, buttonY, buttonWidth, buttonHeight).build());
+        startTuningButton = ButtonWidget.builder(START_TUNING_BUTTON_TEXT, button -> {
+            Main.LIVE_DJ_PLAYER.startTuning(); 
+        }).dimensions(centerX + margin, buttonY, buttonWidth, buttonHeight).build();
+        addDrawableChild(startTuningButton);
+    }
+
+    @Override
+    public void render(DrawContext context, int mouseX, int mouseY, float delta) {
+        super.render(context, mouseX, mouseY, delta);
+        context.drawCenteredTextWithShadow(textRenderer, TITLE, this.width / 2, 10, 0xFFFFFF);
+        context.drawCenteredTextWithShadow(textRenderer, INSTRUCTIONS, this.width / 2, 30, 0xFFFFFF);
+
+        Text tuningStatusText;
+        if (Main.LIVE_DJ_PLAYER.getNoteBlocks() == null) {
+            tuningStatusText = Text.translatable(Main.MOD_ID + ".player.discovering").formatted(net.minecraft.util.Formatting.YELLOW);
+            startTuningButton.active = true;
+            startTuningButton.visible = true;
+        } else if (!Main.LIVE_DJ_PLAYER.isTuned()) {
+            int totalNeeded = 0;
+            if (Main.LIVE_DJ_PLAYER.getNoteBlocks() != null) {
+                for (HashMap<Byte, net.minecraft.util.math.BlockPos> instrumentNotes : Main.LIVE_DJ_PLAYER.getNoteBlocks().values()) {
+                    if (instrumentNotes != null) {
+                        for (net.minecraft.util.math.BlockPos pos : instrumentNotes.values()) {
+                            if (pos != null) {
+                                totalNeeded++;
+                            }
+                        }
+                    }
+                }
+            }
+            int tunedCount = 0;
+            MinecraftClient client = MinecraftClient.getInstance();
+            if (client.world != null && Main.LIVE_DJ_PLAYER.getNoteBlocks() != null) {
+                for (HashMap<Byte, net.minecraft.util.math.BlockPos> instrumentNotes : Main.LIVE_DJ_PLAYER.getNoteBlocks().values()) {
+                    if (instrumentNotes != null) {
+                        for (Map.Entry<Byte, net.minecraft.util.math.BlockPos> entry : instrumentNotes.entrySet()) {
+                            net.minecraft.util.math.BlockPos pos = entry.getValue();
+                            Byte wantedNote = entry.getKey();
+                            if (pos != null) {
+                                if (client.world.getBlockState(pos).contains(net.minecraft.state.property.Properties.NOTE)) {
+                                    int currentNote = client.world.getBlockState(pos).get(net.minecraft.state.property.Properties.NOTE);
+                                    if (currentNote == wantedNote.byteValue()) {
+                                        tunedCount++;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            if (totalNeeded > 0) {
+                tuningStatusText = Text.translatable(Main.MOD_ID + ".player.tuning_progress", tunedCount, totalNeeded).formatted(net.minecraft.util.Formatting.YELLOW);
+            } else {
+                tuningStatusText = Text.translatable(Main.MOD_ID + ".player.finding_blocks").formatted(net.minecraft.util.Formatting.YELLOW);
+            }
+            startTuningButton.active = true;
+            startTuningButton.visible = true;
+
+        } else {
+            tuningStatusText = Text.translatable(Main.MOD_ID + ".player.tuned").formatted(net.minecraft.util.Formatting.GREEN);
+            startTuningButton.active = false;
+            startTuningButton.visible = false;
+        }
+        context.drawCenteredTextWithShadow(textRenderer, tuningStatusText, this.width / 2, 50, 0xFFFFFF);
+
+        
+        if (!Main.LIVE_DJ_PLAYER.missingInstrumentBlocks.isEmpty()) {
+            int yOffset = 70;
+            context.drawCenteredTextWithShadow(textRenderer, Text.translatable(Main.MOD_ID+".player.invalid_note_blocks").formatted(net.minecraft.util.Formatting.RED), this.width / 2, yOffset, 0xFFFFFF);
+            yOffset += 12;
+            for (Map.Entry<Block, Integer> entry : Main.LIVE_DJ_PLAYER.missingInstrumentBlocks.entrySet()) {
+                context.drawCenteredTextWithShadow(textRenderer, Text.literal(entry.getKey().getName().getString()+" × "+entry.getValue()).formatted(net.minecraft.util.Formatting.RED), this.width / 2, yOffset, 0xFFFFFF);
+                yOffset += 10;
+            }
+        }
+    }
+
+    @Override
+    public boolean keyPressed(int keyCode, int scanCode, int modifiers) {
+        InputUtil.Key key = InputUtil.fromKeyCode(keyCode, scanCode);
+        if (keyCode == GLFW.GLFW_KEY_ESCAPE) {
+            this.close();
+            return true;
+        }
+        Note note = Main.keyMappingManager.getNoteForKey(key);
+
+        if (note != null) {
+            if (!Main.LIVE_DJ_PLAYER.isTuned()) { 
+                MinecraftClient.getInstance().inGameHud.getChatHud().addMessage(NOT_TUNED_MESSAGE);
+                return true;
+            }
+            boolean played = Main.LIVE_DJ_PLAYER.playNoteBlock(note); 
+            if (!played) {
+                @Nullable net.minecraft.util.math.BlockPos blockPos = null;
+                if (Main.LIVE_DJ_PLAYER.getNoteBlocks() != null && Main.LIVE_DJ_PLAYER.getNoteBlocks().containsKey(note.instrument())) {
+                    blockPos = Main.LIVE_DJ_PLAYER.getNoteBlocks().get(note.instrument()).get(note.note());
+                }
+
+                if (blockPos == null) {
+                    MinecraftClient.getInstance().inGameHud.getChatHud().addMessage(NOTE_BLOCK_MISSING_MESSAGE.copy().append(" (" + KeyMappingManager.getNoteDisplayName(note) + ")"));
+                } else if (!Main.LIVE_DJ_PLAYER.canInteractWith(MinecraftClient.getInstance().player, blockPos)) { 
+                    MinecraftClient.getInstance().inGameHud.getChatHud().addMessage(TOO_FAR_MESSAGE.copy().append(" (" + KeyMappingManager.getNoteDisplayName(note) + ")"));
+                } else {
+                    MinecraftClient.getInstance().inGameHud.getChatHud().addMessage(RATE_LIMITED_MESSAGE);
+                }
+            }
+            return true;
+        }
+        return super.keyPressed(keyCode, scanCode, modifiers);
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+        if (startTuningButton != null) {
+            startTuningButton.visible = !Main.LIVE_DJ_PLAYER.isTuned(); 
+            startTuningButton.active = !Main.LIVE_DJ_PLAYER.isTuningActive(); 
+        }
+    }
+
+    @Override
+    public boolean shouldPause() {
+        return false;
+    }
+
+    @Override
+    public void close() {
+        super.close();
+        Main.LIVE_DJ_PLAYER.stopTuning();
+    }
+}
diff --git a/src/main/java/semmiedev/disc_jockey_revive/gui/screen/SelectNoteScreen.java b/src/main/java/semmiedev/disc_jockey_revive/gui/screen/SelectNoteScreen.java
new file mode 100644
index 0000000..eedfc81
--- /dev/null
+++ b/src/main/java/semmiedev/disc_jockey_revive/gui/screen/SelectNoteScreen.java
@@ -0,0 +1,173 @@
+package semmiedev.disc_jockey_revive.gui.screen;
+
+import net.minecraft.block.enums.NoteBlockInstrument;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.widget.ButtonWidget;
+import net.minecraft.client.gui.widget.CyclingButtonWidget;
+import net.minecraft.client.gui.widget.SliderWidget;
+import net.minecraft.client.util.InputUtil;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.sound.SoundEvent;
+import net.minecraft.text.Text;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.Vec3d;
+import org.lwjgl.glfw.GLFW;
+import semmiedev.disc_jockey_revive.Main;
+import semmiedev.disc_jockey_revive.Note;
+import semmiedev.disc_jockey_revive.KeyMappingManager; 
+
+public class SelectNoteScreen extends Screen {
+
+    private static final Text TITLE = Text.translatable(Main.MOD_ID + ".screen.select_note.title");
+    private static final Text INSTRUMENT_TEXT = Text.translatable(Main.MOD_ID + ".screen.select_note.instrument");
+    private static final Text PITCH_TEXT = Text.translatable(Main.MOD_ID + ".screen.select_note.pitch");
+    private static final Text DONE_BUTTON_TEXT = Text.translatable("gui.done");
+    private static final Text CANCEL_BUTTON_TEXT = Text.translatable("gui.cancel");
+    private static final Text PREVIEW_BUTTON_TEXT = Text.translatable(Main.MOD_ID + ".screen.select_note.preview");
+    private final EditKeyMappingsScreen parent;
+    private final InputUtil.Key keyToMap;
+
+    private NoteBlockInstrument selectedInstrument = NoteBlockInstrument.HARP;
+    private int selectedPitch = 12; 
+    private CustomPitchSlider pitchSlider; 
+
+    private ButtonWidget previewButton;
+
+    public SelectNoteScreen(EditKeyMappingsScreen parent, InputUtil.Key keyToMap) {
+        super(TITLE);
+        this.parent = parent;
+        this.keyToMap = keyToMap;
+    }
+
+    @Override
+    protected void init() {
+        super.init();
+
+        int centerX = this.width / 2;
+        int startY = this.height / 2 - 50;
+        int widgetWidth = 200;
+        int widgetHeight = 20;
+        int margin = 5;
+        CyclingButtonWidget<NoteBlockInstrument> instrumentButton = CyclingButtonWidget.builder((NoteBlockInstrument instrument) -> Text.translatable("block.minecraft.note_block.instrument." + instrument.asString()))
+                .values(NoteBlockInstrument.values())
+                .initially(selectedInstrument)
+                
+                .build(centerX - widgetWidth / 2, startY, widgetWidth, widgetHeight, INSTRUMENT_TEXT, (button, instrument) -> {
+                    this.selectedInstrument = instrument;
+                    updatePitchSliderDisplay(); 
+                    updatePreviewButton();
+                });
+        addDrawableChild(instrumentButton);
+        pitchSlider = new CustomPitchSlider(centerX - widgetWidth / 2, startY + widgetHeight + margin, widgetWidth, widgetHeight, PITCH_TEXT, (selectedPitch / 24.0));
+        updatePitchSliderDisplay();
+        addDrawableChild(pitchSlider);
+        previewButton = ButtonWidget.builder(PREVIEW_BUTTON_TEXT, button -> {
+            playPreviewNote();
+        }).dimensions(centerX - widgetWidth / 2, startY + (widgetHeight + margin) * 2, widgetWidth, widgetHeight).build();
+        addDrawableChild(previewButton);
+        int buttonWidth = 100;
+        int buttonY = this.height - 30;
+        int doneButtonX = centerX - buttonWidth - margin;
+        addDrawableChild(ButtonWidget.builder(DONE_BUTTON_TEXT, button -> {
+            Note selectedNote = new Note(selectedInstrument, (byte) selectedPitch);
+            parent.addNewMapping(keyToMap, selectedNote); 
+            this.client.setScreen(this.parent);
+            parent.stopWaitingForKeyPress(); 
+        }).dimensions(doneButtonX, buttonY, buttonWidth, widgetHeight).build());
+        int cancelButtonX = centerX + margin;
+        addDrawableChild(ButtonWidget.builder(CANCEL_BUTTON_TEXT, button -> {
+            this.client.setScreen(this.parent); 
+            parent.stopWaitingForKeyPress(); 
+        }).dimensions(cancelButtonX, buttonY, buttonWidth, widgetHeight).build());
+    }
+    private class CustomPitchSlider extends SliderWidget {
+        public CustomPitchSlider(int x, int y, int width, int height, Text text, double value) {
+            super(x, y, width, height, text, value);
+        }
+
+        @Override
+        protected void updateMessage() {
+            
+            this.setMessage(PITCH_TEXT.copy().append(": " + KeyMappingManager.getNoteDisplayName(new Note(selectedInstrument, (byte) selectedPitch))));
+        }
+
+        @Override
+        protected void applyValue() {
+            selectedPitch = (int) Math.round(MathHelper.lerp(this.value, 0.0, 24.0));
+            updateMessage(); 
+            updatePreviewButton();
+        }
+        public void forceUpdateDisplay() {
+            this.updateMessage(); 
+        }
+    }
+    private void updatePitchSliderDisplay() {
+        if (pitchSlider != null) {
+            
+            pitchSlider.forceUpdateDisplay();
+        }
+    }
+
+    private void updatePreviewButton() {
+        
+    }
+
+    private void playPreviewNote() {
+        MinecraftClient client = MinecraftClient.getInstance();
+        if (client.world != null && client.gameRenderer != null) {
+            Vec3d pos = client.gameRenderer.getCamera().getPos();
+            try {
+                Note note = new Note(selectedInstrument, (byte) selectedPitch);
+                
+                if (note.instrument().canBePitched()) {
+                    Identifier soundId = note.instrument().getSound().value().id();
+                    float pitchMultiplier = (float) Math.pow(2.0, (note.note() - 12) / 12.0);
+                    client.world.playSound(pos.x, pos.y, pos.z, SoundEvent.of(soundId), SoundCategory.RECORDS, 3.0f, pitchMultiplier, false);
+                } else {
+                    
+                    Identifier soundId = note.instrument().getSound().value().id();
+                    client.world.playSound(pos.x, pos.y, pos.z, SoundEvent.of(soundId), SoundCategory.RECORDS, 3.0f, 1.0f, false);
+                }
+
+            } catch (Exception e) {
+                Main.LOGGER.error("无法播放预览声音。", e);
+            }
+        }
+    }
+    @Override
+    public void render(DrawContext context, int mouseX, int mouseY, float delta) {
+
+        super.render(context, mouseX, mouseY, delta);
+
+        context.drawCenteredTextWithShadow(textRenderer, TITLE, this.width / 2, 10, 0xFFFFFF);
+        
+        context.drawCenteredTextWithShadow(textRenderer, Text.translatable(Main.MOD_ID + ".screen.select_note.mapping_key", Text.translatable(keyToMap.getTranslationKey())), this.width / 2, 30, 0xFFFFFF);
+    }
+
+    @Override
+    public boolean shouldPause() {
+        return true;
+    }
+
+    @Override
+    public boolean keyPressed(int keyCode, int scanCode, int modifiers) {
+        
+        if (keyCode == GLFW.GLFW_KEY_ESCAPE) {
+            this.client.setScreen(this.parent); 
+            parent.stopWaitingForKeyPress(); 
+            return true;
+        }
+        
+        if (keyCode == GLFW.GLFW_KEY_ENTER || keyCode == GLFW.GLFW_KEY_KP_ENTER) {
+            Note selectedNote = new Note(selectedInstrument, (byte) selectedPitch);
+            parent.addNewMapping(keyToMap, selectedNote); 
+            this.client.setScreen(this.parent); 
+            parent.stopWaitingForKeyPress(); 
+            return true;
+        }
+        return super.keyPressed(keyCode, scanCode, modifiers);
+    }
+}
diff --git a/src/main/resources/assets/disc_jockey/lang/en_us.json b/src/main/resources/assets/disc_jockey/lang/en_us.json
index db78995..540064c 100644
--- a/src/main/resources/assets/disc_jockey/lang/en_us.json
+++ b/src/main/resources/assets/disc_jockey/lang/en_us.json
@@ -63,5 +63,35 @@
   "disc_jockey_revive.screen.reload": "Reload Songs",
   "disc_jockey_revive.screen.reloading": "Reloading songs...",
   "text.autoconfig.disc_jockey_revive.option.showHudProgressBar": "Show HUD progress bar",
-  "text.autoconfig.disc_jockey_revive.option.showHudProgressBar.@Tooltip": "Show song playback progress bar in game。"
-}
\ No newline at end of file
+  "text.autoconfig.disc_jockey_revive.option.showHudProgressBar.@Tooltip": "Show song playback progress bar in game。",
+
+  "disc_jockey_revive.key_bind.open_live_dj_screen": "Open Live DJ Screen",
+  "disc_jockey_revive.screen.live_dj": "Live DJ",
+  "disc_jockey_revive.screen.live_dj.title": "Live DJ Performance",
+  "disc_jockey_revive.screen.live_dj.instructions": "Press mapped keys to play notes. Tune note blocks first!",
+  "disc_jockey_revive.screen.live_dj.edit_mappings": "Edit Key Mappings",
+  "disc_jockey_revive.screen.live_dj.start_tuning": "Start Tuning",
+  "disc_jockey_revive.screen.edit_mappings.title": "Edit Key Mappings",
+  "disc_jockey_revive.screen.edit_mappings.add_mapping": "Add New Mapping",
+  "disc_jockey_revive.screen.edit_mappings.change": "Change Key",
+  "disc_jockey_revive.screen.edit_mappings.remove": "Remove",
+  "disc_jockey_revive.screen.edit_mappings.press_key": "Press a key to map...",
+  "disc_jockey_revive.screen.select_note.title": "Select Note for Key",
+  "disc_jockey_revive.screen.select_note.instrument": "Instrument",
+  "disc_jockey_revive.screen.select_note.pitch": "Pitch",
+  "disc_jockey_revive.screen.select_note.preview": "Preview Note",
+  "disc_jockey_revive.screen.select_note.mapping_key": "Mapping Key: %s",
+  "disc_jockey_revive.player.not_tuned": "Note blocks are not tuned yet!",
+  "disc_jockey_revive.player.note_block_missing_live": "Missing note block for this note!",
+  "disc_jockey_revive.player.to_far_live": "You are too far from the note block!",
+  "disc_jockey_revive.player.rate_limited_live": "Rate limited by server, try again soon.",
+  "disc_jockey_revive.player.discovering": "Discovering note blocks...",
+  "disc_jockey_revive.player.tuning_progress": "Tuning: %s/%s tuned",
+  "disc_jockey_revive.player.finding_blocks": "Finding note blocks...",
+  "disc_jockey_revive.player.retuning": "Retuning note blocks...",
+  "disc_jockey_revive.player.tuning_started": "Tuning started. Please wait...",
+  "disc_jockey_revive.player.invalid_state_tuning": "Cannot tune: Invalid game state or mode.",
+  "disc_jockey_revive.player.tuned": "Tuning completed。",
+  "text.autoconfig.disc_jockey_revive.option.debugModeEnabled": "Enable Debug Mode",
+  "text.autoconfig.disc_jockey_revive.option.debugModeEnabled.@Tooltip": "Enables verbose logging for debugging purposes. \nKeep off unless troubleshooting. \nOf course, many debug-related parts have already been removed."
+}
diff --git a/src/main/resources/assets/disc_jockey/lang/zh_cn.json b/src/main/resources/assets/disc_jockey/lang/zh_cn.json
index 42e2812..32edfa3 100644
--- a/src/main/resources/assets/disc_jockey/lang/zh_cn.json
+++ b/src/main/resources/assets/disc_jockey/lang/zh_cn.json
@@ -10,7 +10,7 @@
   "disc_jockey_revive.screen.drop_hint": "将歌曲文件拖入此窗口以添加",
   "disc_jockey_revive.screen.drop_confirm": "是否将以下歌曲添加到 Disc Jockey？",
   "disc_jockey_revive.player.invalid_note_blocks": "附近的音符盒配置不正确。缺失：",
-  "disc_jockey_revive.player.invalid_game_mode": "无法在 %s 模式下播放",
+  "disc_jockey_revive.player.invalid_game_mode": "无法在 %s 下播放",
   "disc_jockey_revive.player.to_far": "你距离太远了",
   "disc_jockey_revive.still_loading": "歌曲仍在加载中",
   "disc_jockey_revive.reloading": "正在重新加载所有歌曲",
@@ -57,10 +57,41 @@
   "disc_jockey_revive.screen.mode_single": "单曲循环",
   "disc_jockey_revive.screen.mode_list": "列表循环",
   "disc_jockey_revive.screen.mode_random": "随机播放",
-  "disc_jockey_revive.screen.mode_stop": "播完停止","disc_jockey_revive.screen.open_folder": "打开文件夹",
+  "disc_jockey_revive.screen.mode_stop": "播完停止",
+  "disc_jockey_revive.screen.open_folder": "打开文件夹",
   "disc_jockey_revive.screen.open_folder_failed": "无法打开文件夹",
   "disc_jockey_revive.screen.reload": "重新加载",
   "disc_jockey_revive.screen.reloading": "正在重新加载...",
   "text.autoconfig.disc_jockey_revive.option.showHudProgressBar": "显示HUD进度条",
-  "text.autoconfig.disc_jockey_revive.option.showHudProgressBar.@Tooltip": "在游戏界面显示歌曲播放进度条"
-}
\ No newline at end of file
+  "text.autoconfig.disc_jockey_revive.option.showHudProgressBar.@Tooltip": "在游戏界面显示歌曲播放进度条",
+
+  "disc_jockey_revive.key_bind.open_live_dj_screen": "打开即兴演奏界面",
+  "disc_jockey_revive.screen.live_dj": "即兴演奏",
+  "disc_jockey_revive.screen.live_dj.title": "即兴演奏",
+  "disc_jockey_revive.screen.live_dj.instructions": "按下映射的按键来演奏音符。请先调音音符盒！",
+  "disc_jockey_revive.screen.live_dj.edit_mappings": "编辑按键映射",
+  "disc_jockey_revive.screen.live_dj.start_tuning": "开始调音",
+  "disc_jockey_revive.screen.edit_mappings.title": "编辑按键映射",
+  "disc_jockey_revive.screen.edit_mappings.add_mapping": "添加新映射",
+  "disc_jockey_revive.screen.edit_mappings.change": "更改按键",
+  "disc_jockey_revive.screen.edit_mappings.remove": "移除",
+  "disc_jockey_revive.screen.edit_mappings.press_key": "按下要映射的按键...",
+  "disc_jockey_revive.screen.select_note.title": "为按键选择音符",
+  "disc_jockey_revive.screen.select_note.instrument": "乐器",
+  "disc_jockey_revive.screen.select_note.pitch": "音高",
+  "disc_jockey_revive.screen.select_note.preview": "试听音符",
+  "disc_jockey_revive.screen.select_note.mapping_key": "映射按键：%s",
+  "disc_jockey_revive.player.not_tuned": "音符盒尚未调音！",
+  "disc_jockey_revive.player.note_block_missing_live": "缺少此音符的音符盒！",
+  "disc_jockey_revive.player.to_far_live": "你离音符盒太远了！",
+  "disc_jockey_revive.player.rate_limited_live": "服务器限速，请稍后再试。",
+  "disc_jockey_revive.player.discovering": "正在发现音符盒...",
+  "disc_jockey_revive.player.tuning_progress": "调音中：%s/%s 已调音",
+  "disc_jockey_revive.player.finding_blocks": "正在寻找音符盒...",
+  "disc_jockey_revive.player.retuning": "正在重新调音音符盒...",
+  "disc_jockey_revive.player.tuning_started": "调音已开始。请稍候...",
+  "disc_jockey_revive.player.invalid_state_tuning": "无法调音：游戏状态或模式无效。",
+  "disc_jockey_revive.player.tuned": "调音完成。",
+  "text.autoconfig.disc_jockey_revive.option.debugModeEnabled": "启用调试模式",
+  "text.autoconfig.disc_jockey_revive.option.debugModeEnabled.@Tooltip": "启用详细日志输出以进行调试。\n除非排查问题，否则请保持关闭。\n当然，很多调试用的部分已经移除。"
+}