diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java b/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
index 750acba806..2230728e26 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
@@ -55,18 +55,13 @@
 import java.net.URL;
 import java.nio.file.AccessDeniedException;
 import java.util.*;
-import java.util.concurrent.CancellationException;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.ConcurrentLinkedQueue;
-import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.stream.Collectors;
 
-import static org.jackhuang.hmcl.setting.ConfigHolder.config;
 import static org.jackhuang.hmcl.ui.FXUtils.runInFX;
 import static org.jackhuang.hmcl.util.Lang.resolveException;
 import static org.jackhuang.hmcl.util.logging.Logger.LOG;
-import static org.jackhuang.hmcl.util.Pair.pair;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
 
 public final class LauncherHelper {
@@ -717,14 +712,14 @@ private final class HMCLProcessListener implements ProcessListener {
         private final Version version;
         private final LaunchOptions launchOptions;
         private ManagedProcess process;
-        private boolean lwjgl;
+        private volatile boolean lwjgl;
         private LogWindow logWindow;
         private final boolean detectWindow;
-        private final ArrayDeque<String> logs;
-        private final ArrayDeque</*Log4jLevel*/Object> levels;
-        private final CountDownLatch logWindowLatch = new CountDownLatch(1);
+        private final CircularArrayList<Log> logs;
         private final CountDownLatch launchingLatch;
         private final String forbiddenAccessToken;
+        private Thread submitLogThread;
+        private LinkedBlockingQueue<Log> logBuffer;
 
         public HMCLProcessListener(HMCLGameRepository repository, Version version, AuthInfo authInfo, LaunchOptions launchOptions, CountDownLatch launchingLatch, boolean detectWindow) {
             this.repository = repository;
@@ -733,10 +728,7 @@ public HMCLProcessListener(HMCLGameRepository repository, Version version, AuthI
             this.launchingLatch = launchingLatch;
             this.detectWindow = detectWindow;
             this.forbiddenAccessToken = authInfo != null ? authInfo.getAccessToken() : null;
-
-            final int numLogs = config().getLogLines() + 1;
-            this.logs = new ArrayDeque<>(numLogs);
-            this.levels = new ArrayDeque<>(numLogs);
+            this.logs = new CircularArrayList<>(Log.getLogLines() + 1);
         }
 
         @Override
@@ -752,12 +744,60 @@ public void setProcess(ManagedProcess process) {
                 LOG.info("Process ClassPath: " + classpath);
             }
 
-            if (showLogs)
+            if (showLogs) {
+                CountDownLatch logWindowLatch = new CountDownLatch(1);
                 Platform.runLater(() -> {
-                    logWindow = new LogWindow(process);
-                    logWindow.showNormal();
+                    logWindow = new LogWindow(process, logs);
+                    logWindow.show();
                     logWindowLatch.countDown();
                 });
+
+                logBuffer = new LinkedBlockingQueue<>();
+                submitLogThread = Lang.thread(new Runnable() {
+                    private final ArrayList<Log> currentLogs = new ArrayList<>();
+                    private final Semaphore semaphore = new Semaphore(0);
+
+                    private void submitLogs() {
+                        if (currentLogs.size() == 1) {
+                            Log log = currentLogs.get(0);
+                            Platform.runLater(() -> logWindow.logLine(log));
+                        } else {
+                            Platform.runLater(() -> {
+                                logWindow.logLines(currentLogs);
+                                semaphore.release();
+                            });
+                            semaphore.acquireUninterruptibly();
+                        }
+                        currentLogs.clear();
+                    }
+
+                    @Override
+                    public void run() {
+                        while (true) {
+                            try {
+                                currentLogs.add(logBuffer.take());
+                                //noinspection BusyWait
+                                Thread.sleep(200); // Wait for more logs
+                            } catch (InterruptedException e) {
+                                break;
+                            }
+
+                            logBuffer.drainTo(currentLogs);
+                            submitLogs();
+                        }
+
+                        do {
+                            submitLogs();
+                        } while (logBuffer.drainTo(currentLogs) > 0);
+                    }
+                }, "Game Log Submitter", true);
+
+                try {
+                    logWindowLatch.await();
+                } catch (InterruptedException e) {
+                    Thread.currentThread().interrupt();
+                }
+            }
         }
 
         private void finishLaunch() {
@@ -796,44 +836,37 @@ private void finishLaunch() {
 
         @Override
         public void onLog(String log, boolean isErrorStream) {
-            String filteredLog = forbiddenAccessToken == null ? log : log.replace(forbiddenAccessToken, "<access token>");
-
             if (isErrorStream)
-                System.err.println(filteredLog);
+                System.err.println(log);
             else
-                System.out.println(filteredLog);
+                System.out.println(log);
 
-            Log4jLevel level;
-            if (isErrorStream && !filteredLog.startsWith("[authlib-injector]"))
-                level = Log4jLevel.ERROR;
-            else
-                level = showLogs ? Optional.ofNullable(Log4jLevel.guessLevel(filteredLog)).orElse(Log4jLevel.INFO) : null;
-
-            synchronized (this) {
-                logs.add(filteredLog);
-                levels.add(level != null ? level : Optional.empty()); // Use 'Optional.empty()' as hole
-                if (logs.size() > config().getLogLines()) {
-                    logs.removeFirst();
-                    levels.removeFirst();
-                }
-            }
+            log = StringUtils.parseEscapeSequence(log);
+            if (forbiddenAccessToken != null)
+                log = log.replace(forbiddenAccessToken, "<access token>");
 
+            Log4jLevel level = isErrorStream && !log.startsWith("[authlib-injector]") ? Log4jLevel.ERROR : null;
             if (showLogs) {
-                try {
-                    logWindowLatch.await();
-                } catch (InterruptedException e) {
-                    Thread.currentThread().interrupt();
-                    return;
+                if (level == null)
+                    level = Lang.requireNonNullElse(Log4jLevel.guessLevel(log), Log4jLevel.INFO);
+                logBuffer.add(new Log(log, level));
+            } else {
+                synchronized (this) {
+                    logs.addLast(new Log(log, level));
+                    if (logs.size() > Log.getLogLines())
+                        logs.removeFirst();
                 }
-
-                Platform.runLater(() -> logWindow.logLine(filteredLog, level));
             }
 
             if (!lwjgl) {
-                String lowerCaseLog = filteredLog.toLowerCase(Locale.ROOT);
+                String lowerCaseLog = log.toLowerCase(Locale.ROOT);
                 if (!detectWindow || lowerCaseLog.contains("lwjgl version") || lowerCaseLog.contains("lwjgl openal")) {
-                    lwjgl = true;
-                    finishLaunch();
+                    synchronized (this) {
+                        if (!lwjgl) {
+                            lwjgl = true;
+                            finishLaunch();
+                        }
+                    }
                 }
             }
         }
@@ -841,7 +874,13 @@ public void onLog(String log, boolean isErrorStream) {
         @Override
         public void onExit(int exitCode, ExitType exitType) {
             if (showLogs) {
-                Platform.runLater(() -> logWindow.logLine(String.format("[HMCL ProcessListener] Minecraft exit with code %d(0x%x), type is %s.", exitCode, exitCode, exitType), Log4jLevel.INFO));
+                logBuffer.add(new Log(String.format("[HMCL ProcessListener] Minecraft exit with code %d(0x%x), type is %s.", exitCode, exitCode, exitType), Log4jLevel.INFO));
+                submitLogThread.interrupt();
+                try {
+                    submitLogThread.join();
+                } catch (InterruptedException e) {
+                    Thread.currentThread().interrupt();
+                }
             }
 
             launchingLatch.countDown();
@@ -850,14 +889,16 @@ public void onExit(int exitCode, ExitType exitType) {
                 return;
 
             // Game crashed before opening the game window.
-            if (!lwjgl) finishLaunch();
+            if (!lwjgl) {
+                synchronized (this) {
+                    if (!lwjgl)
+                        finishLaunch();
+                }
+            }
 
             if (exitType != ExitType.NORMAL) {
-                ArrayList<Pair<String, Log4jLevel>> pairs = new ArrayList<>(logs.size());
-                Lang.forEachZipped(logs, levels,
-                        (log, l) -> pairs.add(pair(log, l instanceof Log4jLevel ? ((Log4jLevel) l) : Optional.ofNullable(Log4jLevel.guessLevel(log)).orElse(Log4jLevel.INFO))));
                 repository.markVersionLaunchedAbnormally(version.getId());
-                Platform.runLater(() -> new GameCrashWindow(process, exitType, repository, version, launchOptions, pairs).show());
+                Platform.runLater(() -> new GameCrashWindow(process, exitType, repository, version, launchOptions, logs).show());
             }
 
             checkExit();
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/game/Log.java b/HMCL/src/main/java/org/jackhuang/hmcl/game/Log.java
new file mode 100644
index 0000000000..ea01aee3ec
--- /dev/null
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/Log.java
@@ -0,0 +1,72 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2024 huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * 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
+ * (at your option) 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 org.jackhuang.hmcl.game;
+
+import org.jackhuang.hmcl.util.Log4jLevel;
+
+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+
+public final class Log {
+    public static final int DEFAULT_LOG_LINES = 2000;
+
+    public static int getLogLines() {
+        Integer lines = config().getLogLines();
+        return lines != null && lines > 0 ? lines : DEFAULT_LOG_LINES;
+    }
+
+    private final String log;
+    private Log4jLevel level;
+    private boolean selected = false;
+
+    public Log(String log) {
+        this.log = log;
+    }
+
+    public Log(String log, Log4jLevel level) {
+        this.log = log;
+        this.level = level;
+    }
+
+    public String getLog() {
+        return log;
+    }
+
+    public Log4jLevel getLevel() {
+        Log4jLevel level = this.level;
+        if (level == null) {
+            level = Log4jLevel.guessLevel(log);
+            if (level == null)
+                level = Log4jLevel.INFO;
+            this.level = level;
+        }
+        return level;
+    }
+
+    public boolean isSelected() {
+        return selected;
+    }
+
+    public void setSelected(boolean selected) {
+        this.selected = selected;
+    }
+
+    @Override
+    public String toString() {
+        return log;
+    }
+}
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
index f9611ed483..b124c509a5 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
@@ -164,7 +164,7 @@ public static Config fromJson(String json) throws JsonParseException {
     private StringProperty launcherFontFamily = new SimpleStringProperty();
 
     @SerializedName("logLines")
-    private IntegerProperty logLines = new SimpleIntegerProperty(1000);
+    private ObjectProperty<Integer> logLines = new SimpleObjectProperty<>();
 
     @SerializedName("titleTransparent")
     private BooleanProperty titleTransparent = new SimpleBooleanProperty(false);
@@ -573,15 +573,15 @@ public void setLauncherFontFamily(String launcherFontFamily) {
         this.launcherFontFamily.set(launcherFontFamily);
     }
 
-    public int getLogLines() {
+    public Integer getLogLines() {
         return logLines.get();
     }
 
-    public void setLogLines(int logLines) {
+    public void setLogLines(Integer logLines) {
         this.logLines.set(logLines);
     }
 
-    public IntegerProperty logLinesProperty() {
+    public ObjectProperty<Integer> logLinesProperty() {
         return logLines;
     }
 
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java
index d9d78d5f75..79bc0a8970 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java
@@ -40,6 +40,7 @@
 import javafx.scene.layout.Priority;
 import javafx.scene.layout.Region;
 import javafx.scene.layout.StackPane;
+import javafx.scene.paint.Color;
 import javafx.scene.shape.Rectangle;
 import javafx.scene.text.Text;
 import javafx.scene.text.TextFlow;
@@ -998,4 +999,11 @@ public static TextFlow segmentToTextFlow(final String segment, Consumer<String>
         return tf;
     }
 
+    public static String toWeb(Color color) {
+        int r = (int) Math.round(color.getRed() * 255.0);
+        int g = (int) Math.round(color.getGreen() * 255.0);
+        int b = (int) Math.round(color.getBlue() * 255.0);
+
+        return String.format("#%02x%02x%02x", r, g, b);
+    }
 }
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/GameCrashWindow.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/GameCrashWindow.java
index 50ec8535a2..653dd6d3f9 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/GameCrashWindow.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/GameCrashWindow.java
@@ -89,9 +89,9 @@ public class GameCrashWindow extends Stage {
     private final LaunchOptions launchOptions;
     private final View view;
 
-    private final Collection<Pair<String, Log4jLevel>> logs;
+    private final List<Log> logs;
 
-    public GameCrashWindow(ManagedProcess managedProcess, ProcessListener.ExitType exitType, DefaultGameRepository repository, Version version, LaunchOptions launchOptions, Collection<Pair<String, Log4jLevel>> logs) {
+    public GameCrashWindow(ManagedProcess managedProcess, ProcessListener.ExitType exitType, DefaultGameRepository repository, Version version, LaunchOptions launchOptions, List<Log> logs) {
         this.managedProcess = managedProcess;
         this.exitType = exitType;
         this.repository = repository;
@@ -124,7 +124,7 @@ public GameCrashWindow(ManagedProcess managedProcess, ProcessListener.ExitType e
     private void analyzeCrashReport() {
         loading.set(true);
         Task.allOf(Task.supplyAsync(() -> {
-            String rawLog = logs.stream().map(Pair::getKey).collect(Collectors.joining("\n"));
+            String rawLog = logs.stream().map(Log::getLog).collect(Collectors.joining("\n"));
 
             // Get the crash-report from the crash-reports/xxx, or the output of console.
             String crashReport = null;
@@ -264,20 +264,18 @@ private String parseFabricModId(String modName) {
     private void showLogWindow() {
         LogWindow logWindow = new LogWindow(managedProcess);
 
-        logWindow.logLine(Logger.filterForbiddenToken("Command: " + new CommandBuilder().addAll(managedProcess.getCommands())), Log4jLevel.INFO);
+        logWindow.logLine(new Log(Logger.filterForbiddenToken("Command: " + new CommandBuilder().addAll(managedProcess.getCommands())), Log4jLevel.INFO));
         if (managedProcess.getClasspath() != null)
-            logWindow.logLine("ClassPath: " + managedProcess.getClasspath(), Log4jLevel.INFO);
-        for (Map.Entry<String, Log4jLevel> entry : logs)
-            logWindow.logLine(entry.getKey(), entry.getValue());
-
-        logWindow.showNormal();
+            logWindow.logLine(new Log("ClassPath: " + managedProcess.getClasspath(), Log4jLevel.INFO));
+        logWindow.logLines(logs);
+        logWindow.show();
     }
 
     private void exportGameCrashInfo() {
         Path logFile = Paths.get("minecraft-exported-crash-info-" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH-mm-ss")) + ".zip").toAbsolutePath();
 
         CompletableFuture.supplyAsync(() ->
-                        logs.stream().map(Pair::getKey).collect(Collectors.joining(OperatingSystem.LINE_SEPARATOR)))
+                        logs.stream().map(Log::getLog).collect(Collectors.joining(OperatingSystem.LINE_SEPARATOR)))
                 .thenComposeAsync(logs ->
                         LogExporter.exportLogs(logFile, repository, launchOptions.getVersionName(), logs, new CommandBuilder().addAll(managedProcess.getCommands()).toString()))
                 .handleAsync((result, exception) -> {
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/LogWindow.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/LogWindow.java
index c216bb74a2..7e28b6d7d9 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/LogWindow.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/LogWindow.java
@@ -25,8 +25,8 @@
 import javafx.beans.InvalidationListener;
 import javafx.beans.binding.Bindings;
 import javafx.beans.property.*;
-import javafx.beans.value.ChangeListener;
 import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.css.PseudoClass;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
@@ -38,13 +38,14 @@
 import javafx.stage.Stage;
 import org.jackhuang.hmcl.game.GameDumpGenerator;
 import org.jackhuang.hmcl.game.LauncherHelper;
+import org.jackhuang.hmcl.game.Log;
 import org.jackhuang.hmcl.setting.Theme;
+import org.jackhuang.hmcl.ui.construct.SpinnerPane;
 import org.jackhuang.hmcl.util.Holder;
 import org.jackhuang.hmcl.util.CircularArrayList;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.Log4jLevel;
 import org.jackhuang.hmcl.util.platform.ManagedProcess;
-import org.jackhuang.hmcl.util.platform.OperatingSystem;
 import org.jackhuang.hmcl.util.platform.SystemUtils;
 
 import java.io.IOException;
@@ -54,14 +55,11 @@
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
-import java.util.function.Consumer;
 import java.util.stream.Collectors;
-import java.util.stream.IntStream;
 
 import static org.jackhuang.hmcl.setting.ConfigHolder.config;
 import static org.jackhuang.hmcl.util.Lang.thread;
 import static org.jackhuang.hmcl.util.logging.Logger.LOG;
-import static org.jackhuang.hmcl.util.StringUtils.parseEscapeSequence;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
 
 /**
@@ -69,128 +67,120 @@
  */
 public final class LogWindow extends Stage {
 
-    private final ArrayDeque<Log> logs = new ArrayDeque<>();
-    private final Map<Log4jLevel, SimpleIntegerProperty> levelCountMap = new EnumMap<Log4jLevel, SimpleIntegerProperty>(Log4jLevel.class) {
-        {
-            for (Log4jLevel level : Log4jLevel.values()) put(level, new SimpleIntegerProperty());
-        }
-    };
-    private final Map<Log4jLevel, SimpleBooleanProperty> levelShownMap = new EnumMap<Log4jLevel, SimpleBooleanProperty>(Log4jLevel.class) {
-        {
-            for (Log4jLevel level : Log4jLevel.values()) {
-                SimpleBooleanProperty property = new SimpleBooleanProperty(true);
-                put(level, property);
-            }
-        }
-    };
-    private final LogWindowImpl impl = new LogWindowImpl();
-    private final ChangeListener<Number> logLinesListener = FXUtils.onWeakChange(config().logLinesProperty(), logLines -> checkLogCount());
+    private static final Log4jLevel[] LEVELS = {Log4jLevel.FATAL, Log4jLevel.ERROR, Log4jLevel.WARN, Log4jLevel.INFO, Log4jLevel.DEBUG};
 
-    private Consumer<String> exportGameCrashInfoCallback;
+    private final CircularArrayList<Log> logs;
+    private final Map<Log4jLevel, SimpleIntegerProperty> levelCountMap = new EnumMap<>(Log4jLevel.class);
+    private final Map<Log4jLevel, SimpleBooleanProperty> levelShownMap = new EnumMap<>(Log4jLevel.class);
 
-    private boolean stopCheckLogCount = false;
+    {
+        for (Log4jLevel level : Log4jLevel.values()) {
+            levelCountMap.put(level, new SimpleIntegerProperty());
+            levelShownMap.put(level, new SimpleBooleanProperty(true));
+        }
+    }
 
+    private final LogWindowImpl impl;
     private final ManagedProcess gameProcess;
 
     public LogWindow(ManagedProcess gameProcess) {
+        this(gameProcess, new CircularArrayList<>());
+    }
+
+    public LogWindow(ManagedProcess gameProcess, CircularArrayList<Log> logs) {
+        this.logs = logs;
+        this.impl = new LogWindowImpl();
         setScene(new Scene(impl, 800, 480));
         getScene().getStylesheets().addAll(Theme.getTheme().getStylesheets(config().getLauncherFontFamily()));
         setTitle(i18n("logwindow.title"));
         FXUtils.setIcon(this);
 
-        levelShownMap.values().forEach(property -> property.addListener((a, b, newValue) -> shakeLogs()));
+        for (SimpleBooleanProperty property : levelShownMap.values()) {
+            property.addListener(o -> shakeLogs());
+        }
 
         this.gameProcess = gameProcess;
     }
 
-    public void logLine(String filteredLine, Log4jLevel level) {
-        Log log = new Log(parseEscapeSequence(filteredLine), level);
+    public void logLine(Log log) {
+        Log4jLevel level = log.getLevel();
         logs.add(log);
         if (levelShownMap.get(level).get())
             impl.listView.getItems().add(log);
 
-        levelCountMap.get(level).setValue(levelCountMap.get(level).getValue() + 1);
-        if (!stopCheckLogCount) checkLogCount();
+        SimpleIntegerProperty property = levelCountMap.get(log.getLevel());
+        property.set(property.get() + 1);
+        checkLogCount();
+        autoScroll();
     }
 
-    public void showGameCrashReport(Consumer<String> exportGameCrashInfoCallback) {
-        this.exportGameCrashInfoCallback = exportGameCrashInfoCallback;
-        this.impl.showCrashReport.set(true);
-        stopCheckLogCount = true;
-        for (Log log : impl.listView.getItems()) {
-            if (log.log.contains("Minecraft Crash Report")) {
-                Platform.runLater(() -> {
-                    impl.listView.scrollTo(log);
-                });
-                break;
-            }
-        }
-        show();
-    }
+    public void logLines(List<Log> logs) {
+        for (Log log : logs) {
+            Log4jLevel level = log.getLevel();
+            this.logs.add(log);
+            if (levelShownMap.get(level).get())
+                impl.listView.getItems().add(log);
 
-    public void showNormal() {
-        this.impl.showCrashReport.set(false);
-        show();
+            SimpleIntegerProperty property = levelCountMap.get(log.getLevel());
+            property.set(property.get() + 1);
+        }
+        checkLogCount();
+        autoScroll();
     }
 
     private void shakeLogs() {
-        impl.listView.getItems().setAll(logs.stream().filter(log -> levelShownMap.get(log.level).get()).collect(Collectors.toList()));
+        impl.listView.getItems().setAll(logs.stream().filter(log -> levelShownMap.get(log.getLevel()).get()).collect(Collectors.toList()));
+        autoScroll();
     }
 
     private void checkLogCount() {
-        while (logs.size() > config().getLogLines()) {
+        int nRemove = logs.size() - Log.getLogLines();
+        if (nRemove <= 0)
+            return;
+
+        ObservableList<Log> items = impl.listView.getItems();
+        int itemsSize = items.size();
+        int count = 0;
+
+        for (int i = 0; i < nRemove; i++) {
             Log removedLog = logs.removeFirst();
-            if (!impl.listView.getItems().isEmpty() && impl.listView.getItems().get(0) == removedLog) {
-                impl.listView.getItems().remove(0);
-            }
+            if (itemsSize > count && items.get(count) == removedLog)
+                count++;
         }
-    }
 
-    private static class Log {
-        private final String log;
-        private final Log4jLevel level;
-        private boolean selected = false;
+        items.remove(0, count);
+    }
 
-        public Log(String log, Log4jLevel level) {
-            this.log = log;
-            this.level = level;
-        }
+    private void autoScroll() {
+        if (!impl.listView.getItems().isEmpty() && impl.autoScroll.get())
+            impl.listView.scrollTo(impl.listView.getItems().size() - 1);
     }
 
-    public class LogWindowImpl extends Control {
+    private final class LogWindowImpl extends Control {
 
         private final ListView<Log> listView = new JFXListView<>();
         private final BooleanProperty autoScroll = new SimpleBooleanProperty();
-        private final List<StringProperty> buttonText = IntStream.range(0, 5).mapToObj(x -> new SimpleStringProperty()).collect(Collectors.toList());
-        private final List<BooleanProperty> showLevel = IntStream.range(0, 5).mapToObj(x -> new SimpleBooleanProperty(true)).collect(Collectors.toList());
-        private final JFXComboBox<String> cboLines = new JFXComboBox<>();
-        private final BooleanProperty showCrashReport = new SimpleBooleanProperty();
+        private final StringProperty[] buttonText = new StringProperty[LEVELS.length];
+        private final BooleanProperty[] showLevel = new BooleanProperty[LEVELS.length];
+        private final JFXComboBox<Integer> cboLines = new JFXComboBox<>();
 
         LogWindowImpl() {
             getStyleClass().add("log-window");
 
-            listView.setItems(FXCollections.observableList(new CircularArrayList<>(config().getLogLines() + 1)));
-
-            boolean flag = false;
-            cboLines.getItems().setAll("500", "2000", "5000", "10000");
-            for (String i : cboLines.getItems())
-                if (Integer.toString(config().getLogLines()).equals(i)) {
-                    cboLines.getSelectionModel().select(i);
-                    flag = true;
-                }
+            listView.setItems(FXCollections.observableList(new CircularArrayList<>(logs.size())));
 
-            if (!flag)
-                cboLines.getSelectionModel().select(2);
+            for (int i = 0; i < LEVELS.length; i++) {
+                buttonText[i] = new SimpleStringProperty();
+                showLevel[i] = new SimpleBooleanProperty(true);
+            }
 
-            cboLines.getSelectionModel().selectedItemProperty().addListener((a, b, newValue) -> {
-                config().setLogLines(newValue == null ? 1000 : Integer.parseInt(newValue));
-            });
+            cboLines.getItems().setAll(500, 2000, 5000, 10000);
+            cboLines.setValue(Log.getLogLines());
+            cboLines.getSelectionModel().selectedItemProperty().addListener((a, b, newValue) -> config().setLogLines(newValue));
 
-            Log4jLevel[] levels = new Log4jLevel[]{Log4jLevel.FATAL, Log4jLevel.ERROR, Log4jLevel.WARN, Log4jLevel.INFO, Log4jLevel.DEBUG};
-            String[] suffix = new String[]{"fatals", "errors", "warns", "infos", "debugs"};
-            for (int i = 0; i < 5; ++i) {
-                buttonText.get(i).bind(Bindings.concat(levelCountMap.get(levels[i]), " " + suffix[i]));
-                levelShownMap.get(levels[i]).bind(showLevel.get(i));
+            for (int i = 0; i < LEVELS.length; ++i) {
+                buttonText[i].bind(Bindings.concat(levelCountMap.get(LEVELS[i]), " " + LEVELS[i].name().toLowerCase(Locale.ROOT) + "s"));
+                levelShownMap.get(LEVELS[i]).bind(showLevel[i]);
             }
         }
 
@@ -207,7 +197,7 @@ private void onExportLogs() {
             thread(() -> {
                 Path logFile = Paths.get("minecraft-exported-logs-" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH-mm-ss")) + ".log").toAbsolutePath();
                 try {
-                    Files.write(logFile, logs.stream().map(x -> x.log).collect(Collectors.toList()));
+                    Files.write(logFile, logs.stream().map(Log::getLog).collect(Collectors.toList()));
                 } catch (IOException e) {
                     LOG.warning("Failed to export logs", e);
                     return;
@@ -223,38 +213,31 @@ private void onExportLogs() {
             });
         }
 
-        private void onExportDump(JFXButton button) {
-            thread(() -> {
-                if (button.getText().equals(i18n("logwindow.export_dump.dependency_ok.button"))) {
-                    if (SystemUtils.supportJVMAttachment()) {
-                        Platform.runLater(() -> button.setText(i18n("logwindow.export_dump.dependency_ok.doing_button")));
+        private void onExportDump(SpinnerPane pane) {
+            assert SystemUtils.supportJVMAttachment();
 
-                        Path dumpFile = Paths.get("minecraft-exported-jstack-dump-" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH-mm-ss")) + ".log").toAbsolutePath();
+            pane.setLoading(true);
 
-                        try {
-                            if (gameProcess.isRunning()) {
-                                GameDumpGenerator.writeDumpTo(gameProcess.getPID(), dumpFile);
-                                FXUtils.showFileInExplorer(dumpFile);
-                            }
-                        } catch (Throwable e) {
-                            LOG.warning("Failed to create minecraft jstack dump", e);
-
-                            Platform.runLater(() -> {
-                                Alert alert = new Alert(Alert.AlertType.ERROR, i18n("logwindow.export_dump.dependency_ok.button"));
-                                alert.setTitle(i18n("message.error"));
-                                alert.showAndWait();
-                            });
-                        }
+            thread(() -> {
+                Path dumpFile = Paths.get("minecraft-exported-jstack-dump-" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH-mm-ss")) + ".log").toAbsolutePath();
 
-                        Platform.runLater(() -> button.setText(i18n("logwindow.export_dump.dependency_ok.button")));
+                try {
+                    if (gameProcess.isRunning()) {
+                        GameDumpGenerator.writeDumpTo(gameProcess.getPID(), dumpFile);
+                        FXUtils.showFileInExplorer(dumpFile);
                     }
+                } catch (Throwable e) {
+                    LOG.warning("Failed to create minecraft jstack dump", e);
+
+                    Platform.runLater(() -> {
+                        Alert alert = new Alert(Alert.AlertType.ERROR, i18n("logwindow.export_dump"));
+                        alert.setTitle(i18n("message.error"));
+                        alert.showAndWait();
+                    });
                 }
-            });
-        }
 
-        private void onExportGameCrashInfo() {
-            if (exportGameCrashInfoCallback == null) return;
-            exportGameCrashInfoCallback.accept(logs.stream().map(x -> x.log).collect(Collectors.joining(OperatingSystem.LINE_SEPARATOR)));
+                Platform.runLater(() -> pane.setLoading(false));
+            });
         }
 
         @Override
@@ -263,7 +246,7 @@ protected Skin<?> createDefaultSkin() {
         }
     }
 
-    private static class LogWindowSkin extends SkinBase<LogWindowImpl> {
+    private static final class LogWindowSkin extends SkinBase<LogWindowImpl> {
         private static final PseudoClass EMPTY = PseudoClass.getPseudoClass("empty");
         private static final PseudoClass FATAL = PseudoClass.getPseudoClass("fatal");
         private static final PseudoClass ERROR = PseudoClass.getPseudoClass("error");
@@ -275,17 +258,7 @@ private static class LogWindowSkin extends SkinBase<LogWindowImpl> {
 
         private final Set<ListCell<Log>> selected = new HashSet<>();
 
-        private static ToggleButton createToggleButton(String backgroundColor, StringProperty buttonText, BooleanProperty showLevel) {
-            ToggleButton button = new ToggleButton();
-            button.setStyle("-fx-background-color: " + backgroundColor + ";");
-            button.getStyleClass().add("log-toggle");
-            button.textProperty().bind(buttonText);
-            button.setSelected(true);
-            showLevel.bind(button.selectedProperty());
-            return button;
-        }
-
-        protected LogWindowSkin(LogWindowImpl control) {
+        LogWindowSkin(LogWindowImpl control) {
             super(control);
 
             VBox vbox = new VBox(3);
@@ -310,13 +283,16 @@ protected LogWindowSkin(LogWindowImpl control) {
 
                 {
                     HBox hBox = new HBox(3);
-                    hBox.getChildren().setAll(
-                            createToggleButton("#F7A699", control.buttonText.get(0), control.showLevel.get(0)),
-                            createToggleButton("#FFCCBB", control.buttonText.get(1), control.showLevel.get(1)),
-                            createToggleButton("#FFEECC", control.buttonText.get(2), control.showLevel.get(2)),
-                            createToggleButton("#FBFBFB", control.buttonText.get(3), control.showLevel.get(3)),
-                            createToggleButton("#EEE9E0", control.buttonText.get(4), control.showLevel.get(4))
-                    );
+                    for (int i = 0; i < LEVELS.length; i++) {
+                        ToggleButton button = new ToggleButton();
+                        button.setStyle("-fx-background-color: " + FXUtils.toWeb(LEVELS[i].getColor()) + ";");
+                        button.getStyleClass().add("log-toggle");
+                        button.textProperty().bind(control.buttonText[i]);
+                        button.setSelected(true);
+                        control.showLevel[i].bind(button.selectedProperty());
+                        hBox.getChildren().add(button);
+                    }
+
                     borderPane.setRight(hBox);
                 }
 
@@ -347,11 +323,11 @@ protected LogWindowSkin(LogWindowImpl control) {
 
                         setOnMouseClicked(event -> {
                             if (!event.isControlDown()) {
-                                for (ListCell<Log> logListCell: selected) {
+                                for (ListCell<Log> logListCell : selected) {
                                     if (logListCell != this) {
                                         logListCell.pseudoClassStateChanged(SELECTED, false);
                                         if (logListCell.getItem() != null) {
-                                            logListCell.getItem().selected = false;
+                                            logListCell.getItem().setSelected(false);
                                         }
                                     }
                                 }
@@ -362,7 +338,7 @@ protected LogWindowSkin(LogWindowImpl control) {
                             selected.add(this);
                             pseudoClassStateChanged(SELECTED, true);
                             if (getItem() != null) {
-                                getItem().selected = true;
+                                getItem().setSelected(true);
                             }
                         });
                     }
@@ -377,18 +353,18 @@ protected void updateItem(Log item, boolean empty) {
                         lastCell.value = this;
 
                         pseudoClassStateChanged(EMPTY, empty);
-                        pseudoClassStateChanged(FATAL, !empty && item.level == Log4jLevel.FATAL);
-                        pseudoClassStateChanged(ERROR, !empty && item.level == Log4jLevel.ERROR);
-                        pseudoClassStateChanged(WARN, !empty && item.level == Log4jLevel.WARN);
-                        pseudoClassStateChanged(INFO, !empty && item.level == Log4jLevel.INFO);
-                        pseudoClassStateChanged(DEBUG, !empty && item.level == Log4jLevel.DEBUG);
-                        pseudoClassStateChanged(TRACE, !empty && item.level == Log4jLevel.TRACE);
-                        pseudoClassStateChanged(SELECTED, !empty && item.selected);
+                        pseudoClassStateChanged(FATAL, !empty && item.getLevel() == Log4jLevel.FATAL);
+                        pseudoClassStateChanged(ERROR, !empty && item.getLevel() == Log4jLevel.ERROR);
+                        pseudoClassStateChanged(WARN, !empty && item.getLevel() == Log4jLevel.WARN);
+                        pseudoClassStateChanged(INFO, !empty && item.getLevel() == Log4jLevel.INFO);
+                        pseudoClassStateChanged(DEBUG, !empty && item.getLevel() == Log4jLevel.DEBUG);
+                        pseudoClassStateChanged(TRACE, !empty && item.getLevel() == Log4jLevel.TRACE);
+                        pseudoClassStateChanged(SELECTED, !empty && item.isSelected());
 
                         if (empty) {
                             setText(null);
                         } else {
-                            setText(item.log);
+                            setText(item.getLog());
                         }
                     }
                 });
@@ -398,10 +374,9 @@ protected void updateItem(Log item, boolean empty) {
                         StringBuilder stringBuilder = new StringBuilder();
 
                         for (Log item : listView.getItems()) {
-                            if (item != null && item.selected) {
-                                if (item.log != null) {
-                                    stringBuilder.append(item.log);
-                                }
+                            if (item != null && item.isSelected()) {
+                                if (item.getLog() != null)
+                                    stringBuilder.append(item.getLog());
                                 stringBuilder.append('\n');
                             }
                         }
@@ -417,11 +392,6 @@ protected void updateItem(Log item, boolean empty) {
             {
                 BorderPane bottom = new BorderPane();
 
-                JFXButton exportGameCrashInfoButton = new JFXButton(i18n("logwindow.export_game_crash_logs"));
-                exportGameCrashInfoButton.setOnMouseClicked(e -> getSkinnable().onExportGameCrashInfo());
-                exportGameCrashInfoButton.visibleProperty().bind(getSkinnable().showCrashReport);
-                bottom.setLeft(exportGameCrashInfoButton);
-
                 HBox hBox = new HBox(3);
                 bottom.setRight(hBox);
                 hBox.setAlignment(Pos.CENTER_RIGHT);
@@ -432,24 +402,24 @@ protected void updateItem(Log item, boolean empty) {
                 control.autoScroll.bind(autoScrollCheckBox.selectedProperty());
 
                 JFXButton exportLogsButton = new JFXButton(i18n("button.export"));
-                exportLogsButton.setOnMouseClicked(e -> getSkinnable().onExportLogs());
+                exportLogsButton.setOnAction(e -> getSkinnable().onExportLogs());
 
                 JFXButton terminateButton = new JFXButton(i18n("logwindow.terminate_game"));
-                terminateButton.setOnMouseClicked(e -> getSkinnable().onTerminateGame());
+                terminateButton.setOnAction(e -> getSkinnable().onTerminateGame());
 
-                JFXButton exportDumpButton = new JFXButton();
+                SpinnerPane exportDumpPane = new SpinnerPane();
+                JFXButton exportDumpButton = new JFXButton(i18n("logwindow.export_dump"));
                 if (SystemUtils.supportJVMAttachment()) {
-                    exportDumpButton.setText(i18n("logwindow.export_dump.dependency_ok.button"));
-                    exportDumpButton.setOnAction(e -> getSkinnable().onExportDump(exportDumpButton));
+                    exportDumpButton.setOnAction(e -> getSkinnable().onExportDump(exportDumpPane));
                 } else {
-                    exportDumpButton.setText(i18n("logwindow.export_dump.no_dependency.button"));
-                    exportDumpButton.setTooltip(new Tooltip(i18n("logwindow.export_dump.no_dependency.tooltip")));
+                    exportDumpButton.setTooltip(new Tooltip(i18n("logwindow.export_dump.no_dependency")));
                     exportDumpButton.setDisable(true);
                 }
+                exportDumpPane.setContent(exportDumpButton);
 
                 JFXButton clearButton = new JFXButton(i18n("button.clear"));
-                clearButton.setOnMouseClicked(e -> getSkinnable().onClear());
-                hBox.getChildren().setAll(autoScrollCheckBox, exportLogsButton, terminateButton, exportDumpButton, clearButton);
+                clearButton.setOnAction(e -> getSkinnable().onClear());
+                hBox.getChildren().setAll(autoScrollCheckBox, exportLogsButton, terminateButton, exportDumpPane, clearButton);
 
                 vbox.getChildren().add(bottom);
             }
diff --git a/HMCL/src/main/resources/assets/lang/I18N.properties b/HMCL/src/main/resources/assets/lang/I18N.properties
index 2f48a992f0..a0b1cc636e 100644
--- a/HMCL/src/main/resources/assets/lang/I18N.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N.properties
@@ -728,10 +728,8 @@ logwindow.title=Log
 logwindow.help=You can go to the HMCL community and find others for help
 logwindow.autoscroll=Auto-scroll
 logwindow.export_game_crash_logs=Export Crash Logs
-logwindow.export_dump.dependency_ok.button=Export Game Stack Dump
-logwindow.export_dump.dependency_ok.doing_button=Exporting Game Stack Dump (May take up to 15 seconds)
-logwindow.export_dump.no_dependency.button=Export Game Stack Dump (Not compatible)
-logwindow.export_dump.no_dependency.tooltip=Your Java does not contain the dependencies to create the stack dump. Please turn to HMCL QQ group or HMCL Discord for help.
+logwindow.export_dump=Export Game Stack Dump
+logwindow.export_dump.no_dependency=Your Java does not contain the dependencies to create the stack dump. Please turn to HMCL QQ group or HMCL Discord for help.
 
 main_page=Home
 
diff --git a/HMCL/src/main/resources/assets/lang/I18N_es.properties b/HMCL/src/main/resources/assets/lang/I18N_es.properties
index 57cd8908d8..666b0bd011 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_es.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_es.properties
@@ -673,10 +673,8 @@ logwindow.title=Registro
 logwindow.help=Puede ir a la comunidad HMCL y encontrar a otros para ayudar
 logwindow.autoscroll=Desplazamiento automático
 logwindow.export_game_crash_logs=Exportar registros de errores
-logwindow.export_dump.dependency_ok.button=Exportar volcado de pila de juegos
-logwindow.export_dump.dependency_ok.doing_button=Exportación de volcado de pila de juego (puede tardar hasta 15 segundos)
-logwindow.export_dump.no_dependency.button=Exportar volcado de pila de juegos (no compatible)
-logwindow.export_dump.no_dependency.tooltip=Su Java no contiene las dependencias para crear el volcado de pila. Dirígete a HMCL QQ o HMCL Discord para obtener ayuda.
+logwindow.export_dump=Exportar volcado de pila de juegos
+logwindow.export_dump.no_dependency=Su Java no contiene las dependencias para crear el volcado de pila. Dirígete a HMCL QQ o HMCL Discord para obtener ayuda.
 
 
 main_page=Inicio
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh.properties b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
index 57fa6e02a6..27b7b87696 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
@@ -607,10 +607,8 @@ logwindow.title=記錄
 logwindow.help=你可以前往 HMCL 社區，尋找他人幫助
 logwindow.autoscroll=自動滾動
 logwindow.export_game_crash_logs=導出遊戲崩潰訊息
-logwindow.export_dump.dependency_ok.button=導出遊戲運行棧
-logwindow.export_dump.dependency_ok.doing_button=正在導出遊戲運行棧（可能需要 15 秒）
-logwindow.export_dump.no_dependency.button=導出遊戲運行棧（不兼容）
-logwindow.export_dump.no_dependency.tooltip=你的 Java 不包含用於創建遊戲運行棧的依賴。請前往 HMCL QQ 群或 Discord 频道尋求幫助。
+logwindow.export_dump=導出遊戲運行棧
+logwindow.export_dump.no_dependency=你的 Java 不包含用於創建遊戲運行棧的依賴。請前往 HMCL QQ 群或 Discord 频道尋求幫助。
 
 main_page=首頁
 
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
index 7746fe32af..df4623147b 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
@@ -606,10 +606,8 @@ logwindow.title=日志
 logwindow.help=你可以前往 HMCL 社区，寻找他人帮助
 logwindow.autoscroll=自动滚动
 logwindow.export_game_crash_logs=导出游戏崩溃信息
-logwindow.export_dump.dependency_ok.button=导出游戏运行栈
-logwindow.export_dump.dependency_ok.doing_button=正在导出游戏运行栈（可能需要 15 秒）
-logwindow.export_dump.no_dependency.button=导出游戏运行栈（不兼容）
-logwindow.export_dump.no_dependency.tooltip=你的 Java 不包含用于创建游戏运行栈的依赖。请前往 HMCL QQ 群或 Discord 频道寻求帮助。
+logwindow.export_dump=导出游戏运行栈
+logwindow.export_dump.no_dependency=你的 Java 不包含用于创建游戏运行栈的依赖。请前往 HMCL QQ 群或 Discord 频道寻求帮助。
 
 main_page=主页
 
diff --git a/HMCL/src/test/java/org/jackhuang/hmcl/ui/GameCrashWindowTest.java b/HMCL/src/test/java/org/jackhuang/hmcl/ui/GameCrashWindowTest.java
index 016e790a63..8734e8367b 100644
--- a/HMCL/src/test/java/org/jackhuang/hmcl/ui/GameCrashWindowTest.java
+++ b/HMCL/src/test/java/org/jackhuang/hmcl/ui/GameCrashWindowTest.java
@@ -20,8 +20,8 @@
 import org.jackhuang.hmcl.JavaFXLauncher;
 import org.jackhuang.hmcl.game.ClassicVersion;
 import org.jackhuang.hmcl.game.LaunchOptions;
+import org.jackhuang.hmcl.game.Log;
 import org.jackhuang.hmcl.launch.ProcessListener;
-import org.jackhuang.hmcl.util.Log4jLevel;
 import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jackhuang.hmcl.util.platform.JavaVersion;
 import org.jackhuang.hmcl.util.platform.ManagedProcess;
@@ -35,8 +35,6 @@
 import java.util.concurrent.CountDownLatch;
 import java.util.stream.Collectors;
 
-import static org.jackhuang.hmcl.util.Pair.pair;
-
 public class GameCrashWindowTest {
 
     @Test
@@ -57,7 +55,7 @@ public void test() throws Exception {
                             .setGameDir(new File("."))
                             .create(),
                     Arrays.stream(logs.split("\\n"))
-                            .map(log -> pair(log, Log4jLevel.guessLevel(log)))
+                            .map(Log::new)
                             .collect(Collectors.toList()));
 
             window.showAndWait();
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/StringUtils.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/StringUtils.java
index 06a1f8ab73..fadf40bd21 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/StringUtils.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/StringUtils.java
@@ -346,9 +346,15 @@ public static String parseColorEscapes(String original) {
     }
 
     public static String parseEscapeSequence(String str) {
-        StringBuilder builder = new StringBuilder();
+        int idx = str.indexOf('\033');
+        if (idx < 0)
+            return str;
+
+        StringBuilder builder = new StringBuilder(str.length());
         boolean inEscape = false;
-        for (int i = 0; i < str.length(); i++) {
+
+        builder.append(str, 0, idx);
+        for (int i = idx; i < str.length(); i++) {
             char ch = str.charAt(i);
             if (ch == '\033') {
                 inEscape = true;