diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java b/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java
index 4c1c1c979..59389d030 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java
@@ -26,7 +26,6 @@ import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.upgrade.UpdateChecker;
 import org.jackhuang.hmcl.util.*;
-import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jackhuang.hmcl.util.platform.OperatingSystem;
 
 import java.io.File;
@@ -74,11 +73,8 @@ public final class Launcher extends Application {
     public static void main(String[] args) {
         Thread.setDefaultUncaughtExceptionHandler(CRASH_REPORTER);
 
-        if (!FileUtils.makeDirectory(LOG_DIRECTORY))
-            System.out.println("Unable to create log directory " + LOG_DIRECTORY + ", log files cannot be generated.");
-
         try {
-            Logging.start(LOG_DIRECTORY);
+            Logging.start(Metadata.HMCL_DIRECTORY.resolve("logs"));
 
             LOG.info("*** " + Metadata.TITLE + " ***");
             LOG.info("Operating System: " + System.getProperty("os.name") + ' ' + OperatingSystem.SYSTEM_VERSION);
@@ -86,7 +82,7 @@ public final class Launcher extends Application {
             LOG.info("Java VM Version: " + System.getProperty("java.vm.name") + " (" + System.getProperty("java.vm.info") + "), " + System.getProperty("java.vm.vendor"));
             LOG.info("Java Home: " + System.getProperty("java.home"));
             LOG.info("Current Directory: " + Paths.get("").toAbsolutePath());
-            LOG.info("HMCL Directory: " + HMCL_DIRECTORY);
+            LOG.info("HMCL Directory: " + Metadata.HMCL_DIRECTORY);
             LOG.info("Memory: " + Runtime.getRuntime().maxMemory() / 1024 / 1024 + "MB");
             ManagementFactory.getMemoryPoolMXBeans().stream().filter(bean -> bean.getName().equals("Metaspace")).findAny()
                     .ifPresent(bean -> LOG.info("Metaspace: " + bean.getUsage().getUsed() / 1024 / 1024 + "MB"));
@@ -143,9 +139,5 @@ public final class Launcher extends Application {
             return result;
     }
 
-    public static final File MINECRAFT_DIRECTORY = OperatingSystem.getWorkingDirectory("minecraft");
-    public static final File HMCL_DIRECTORY = OperatingSystem.getWorkingDirectory("hmcl");
-    public static final File LOG_DIRECTORY = new File(Launcher.HMCL_DIRECTORY, "logs");
-
     public static final CrashReporter CRASH_REPORTER = new CrashReporter();
 }
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/Metadata.java b/HMCL/src/main/java/org/jackhuang/hmcl/Metadata.java
index 9f819bd48..ba20571e5 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/Metadata.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/Metadata.java
@@ -17,7 +17,10 @@
  */
 package org.jackhuang.hmcl;
 
+import java.nio.file.Path;
+
 import org.jackhuang.hmcl.util.io.JarUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
 
 /**
  * Stores metadata about this application.
@@ -33,4 +36,7 @@ public final class Metadata {
     public static final String CONTACT_URL = "https://hmcl.huangyuhui.net/contact";
     public static final String HELP_URL = "https://hmcl.huangyuhui.net/help";
     public static final String PUBLISH_URL = "http://www.mcbbs.net/thread-142335-1-1.html";
+
+    public static final Path MINECRAFT_DIRECTORY = OperatingSystem.getWorkingDirectory("minecraft");
+    public static final Path HMCL_DIRECTORY = OperatingSystem.getWorkingDirectory("hmcl");
 }
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java b/HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java
index 0f2934c38..f4913b264 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java
@@ -19,7 +19,7 @@ package org.jackhuang.hmcl.game;
 
 import javafx.embed.swing.SwingFXUtils;
 import javafx.scene.image.Image;
-import org.jackhuang.hmcl.Launcher;
+import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.yggdrasil.GameProfile;
 import org.jackhuang.hmcl.auth.yggdrasil.Texture;
@@ -41,7 +41,7 @@ public final class AccountHelper {
 
     private AccountHelper() {}
 
-    public static final File SKIN_DIR = new File(Launcher.HMCL_DIRECTORY, "skins");
+    public static final File SKIN_DIR = Metadata.HMCL_DIRECTORY.resolve("skins").toFile();
 
     public static void loadSkins() {
         for (Account account : Accounts.getAccounts()) {
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Accounts.java b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Accounts.java
index 794c1da90..92fbb985b 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Accounts.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Accounts.java
@@ -23,7 +23,7 @@ import javafx.beans.property.ReadOnlyListProperty;
 import javafx.beans.property.ReadOnlyListWrapper;
 import javafx.beans.property.SimpleObjectProperty;
 import javafx.collections.ObservableList;
-import org.jackhuang.hmcl.Launcher;
+import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.auth.AccountFactory;
 import org.jackhuang.hmcl.auth.AuthenticationException;
@@ -61,7 +61,7 @@ public final class Accounts {
     public static final OfflineAccountFactory FACTORY_OFFLINE = OfflineAccountFactory.INSTANCE;
     public static final YggdrasilAccountFactory FACTORY_YGGDRASIL = new YggdrasilAccountFactory(MojangYggdrasilProvider.INSTANCE);
     public static final AuthlibInjectorAccountFactory FACTORY_AUTHLIB_INJECTOR = new AuthlibInjectorAccountFactory(
-            new AuthlibInjectorDownloader(Launcher.HMCL_DIRECTORY.toPath(), DownloadProviders::getDownloadProvider)::getArtifactInfo,
+            new AuthlibInjectorDownloader(Metadata.HMCL_DIRECTORY, DownloadProviders::getDownloadProvider)::getArtifactInfo,
             Accounts::getOrCreateAuthlibInjectorServer);
 
     private static final String TYPE_OFFLINE = "offline";
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 94e02d81a..19598fb6c 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
@@ -32,7 +32,7 @@ import org.hildan.fxgson.creators.ObservableListCreator;
 import org.hildan.fxgson.creators.ObservableMapCreator;
 import org.hildan.fxgson.creators.ObservableSetCreator;
 import org.hildan.fxgson.factories.JavaFxPropertyTypeAdapterFactory;
-import org.jackhuang.hmcl.Launcher;
+import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.upgrade.UpdateChannel;
 import org.jackhuang.hmcl.util.gson.EnumOrdinalDeserializer;
@@ -86,7 +86,7 @@ public final class Config implements Cloneable, Observable {
     private ObjectProperty<EnumCommonDirectory> commonDirType = new SimpleObjectProperty<>(EnumCommonDirectory.DEFAULT);
 
     @SerializedName("commonpath")
-    private StringProperty commonDirectory = new SimpleStringProperty(Launcher.MINECRAFT_DIRECTORY.getAbsolutePath());
+    private StringProperty commonDirectory = new SimpleStringProperty(Metadata.MINECRAFT_DIRECTORY.toString());
 
     @SerializedName("hasProxy")
     private BooleanProperty hasProxy = new SimpleBooleanProperty();
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Profiles.java b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Profiles.java
index 4d10e2d8f..62fb54f74 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Profiles.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Profiles.java
@@ -22,7 +22,7 @@ import javafx.application.Platform;
 import javafx.beans.Observable;
 import javafx.beans.property.*;
 import javafx.collections.ObservableList;
-import org.jackhuang.hmcl.Launcher;
+import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.event.EventBus;
 import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
 
@@ -104,7 +104,7 @@ public final class Profiles {
     private static void checkProfiles() {
         if (profiles.isEmpty()) {
             Profile current = new Profile(Profiles.DEFAULT_PROFILE, new File(".minecraft"), new VersionSetting(), null, true);
-            Profile home = new Profile(Profiles.HOME_PROFILE, Launcher.MINECRAFT_DIRECTORY);
+            Profile home = new Profile(Profiles.HOME_PROFILE, Metadata.MINECRAFT_DIRECTORY.toFile());
             Platform.runLater(() -> profiles.addAll(current, home));
         }
     }
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Settings.java b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Settings.java
index 065c165df..1f46804ab 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Settings.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Settings.java
@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.setting;
 
 import javafx.beans.binding.Bindings;
-import org.jackhuang.hmcl.Launcher;
+import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.game.HMCLCacheRepository;
 import org.jackhuang.hmcl.util.CacheRepository;
 
@@ -64,7 +64,7 @@ public class Settings {
     }
 
     public static String getDefaultCommonDirectory() {
-        return Launcher.MINECRAFT_DIRECTORY.getAbsolutePath();
+        return Metadata.MINECRAFT_DIRECTORY.toString();
     }
 
     public String getCommonDirectory() {
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsPage.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsPage.java
index 44b0789e5..28b31a84c 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/SettingsPage.java
@@ -28,7 +28,6 @@ import javafx.beans.property.*;
 import javafx.scene.control.ToggleGroup;
 import javafx.scene.paint.Color;
 import javafx.scene.text.Font;
-import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.setting.*;
 import org.jackhuang.hmcl.ui.construct.Validator;
@@ -203,7 +202,7 @@ public final class SettingsPage extends SettingsView implements DecoratorPage {
 
     @Override
     protected void onOpenLogFolder() {
-        FXUtils.openFolder(Launcher.LOG_DIRECTORY);
+        FXUtils.openFolder(Metadata.HMCL_DIRECTORY.resolve("logs").toFile());
     }
 
     @Override
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateHandler.java b/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateHandler.java
index 92ac5e7ee..a3410fa41 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateHandler.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateHandler.java
@@ -21,7 +21,6 @@ import com.google.gson.Gson;
 import com.google.gson.JsonParseException;
 import javafx.application.Platform;
 import javafx.scene.layout.Region;
-import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.Main;
 import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.task.Task;
@@ -231,7 +230,7 @@ public final class UpdateHandler {
     private static boolean isFirstLaunchAfterUpgrade() {
         Optional<Path> currentPath = JarUtils.thisJar();
         if (currentPath.isPresent()) {
-            Path updated = Launcher.HMCL_DIRECTORY.toPath().resolve("HMCL-" + Metadata.VERSION + ".jar");
+            Path updated = Metadata.HMCL_DIRECTORY.resolve("HMCL-" + Metadata.VERSION + ".jar");
             if (currentPath.get().toAbsolutePath().equals(updated.toAbsolutePath())) {
                 return true;
             }
@@ -240,7 +239,7 @@ public final class UpdateHandler {
     }
 
     private static void breakForceUpdateFeature() {
-        Path hmclVersionJson = Launcher.HMCL_DIRECTORY.toPath().resolve("hmclver.json");
+        Path hmclVersionJson = Metadata.HMCL_DIRECTORY.resolve("hmclver.json");
         if (Files.isRegularFile(hmclVersionJson)) {
             try {
                 Map<?, ?> content = new Gson().fromJson(new String(Files.readAllBytes(hmclVersionJson), UTF_8), Map.class);
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultCacheRepository.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultCacheRepository.java
index dc2414a0a..88df70611 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultCacheRepository.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultCacheRepository.java
@@ -43,7 +43,7 @@ public class DefaultCacheRepository extends CacheRepository {
     private Index index = null;
 
     public DefaultCacheRepository() {
-        this(OperatingSystem.getWorkingDirectory("minecraft").toPath());
+        this(OperatingSystem.getWorkingDirectory("minecraft"));
     }
 
     public DefaultCacheRepository(Path commonDirectory) {
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/Logging.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/Logging.java
index 48aaa276f..5cc77b22f 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/Logging.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/Logging.java
@@ -18,9 +18,10 @@
 package org.jackhuang.hmcl.util;
 
 import java.io.ByteArrayOutputStream;
-import java.io.File;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.logging.*;
@@ -38,12 +39,13 @@ public final class Logging {
         LOG = Logger.getLogger("HMCL");
     }
 
-    public static void start(File logFolder) {
+    public static void start(Path logFolder) {
         LOG.setLevel(Level.FINER);
         LOG.setUseParentHandlers(false);
 
         try {
-            FileHandler fileHandler = new FileHandler(new File(logFolder, "hmcl.log").getAbsolutePath());
+            Files.createDirectories(logFolder);
+            FileHandler fileHandler = new FileHandler(logFolder.resolve("hmcl.log").toAbsolutePath().toString());
             fileHandler.setLevel(Level.FINEST);
             fileHandler.setFormatter(DefaultFormatter.INSTANCE);
             LOG.addHandler(fileHandler);
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/OperatingSystem.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/OperatingSystem.java
index 4621fe0b4..84f732e16 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/OperatingSystem.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/OperatingSystem.java
@@ -17,9 +17,6 @@
  */
 package org.jackhuang.hmcl.util.platform;
 
-import javafx.scene.input.Clipboard;
-import javafx.scene.input.ClipboardContent;
-
 import javax.management.JMException;
 import javax.management.MBeanServer;
 import javax.management.ObjectName;
@@ -29,6 +26,8 @@ import org.jackhuang.hmcl.util.Lang;
 import java.io.File;
 import java.lang.management.ManagementFactory;
 import java.nio.charset.Charset;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.Locale;
 import java.util.Optional;
 
@@ -135,30 +134,24 @@ public enum OperatingSystem {
         return Optional.empty();
     }
 
-    public static void setClipboard(String string) {
-        ClipboardContent c = new ClipboardContent();
-        c.putString(string);
-        Clipboard.getSystemClipboard().setContent(c);
-    }
-
     public static void forceGC() {
         System.gc();
         System.runFinalization();
         System.gc();
     }
 
-    public static File getWorkingDirectory(String folder) {
+    public static Path getWorkingDirectory(String folder) {
         String home = System.getProperty("user.home", ".");
         switch (OperatingSystem.CURRENT_OS) {
             case LINUX:
-                return new File(home, "." + folder + "/");
+                return Paths.get(home, "." + folder);
             case WINDOWS:
                 String appdata = System.getenv("APPDATA");
-                return new File(Lang.nonNull(appdata, home), "." + folder + "/");
+                return Paths.get(Lang.nonNull(appdata, home), "." + folder);
             case OSX:
-                return new File(home, "Library/Application Support/" + folder);
+                return Paths.get(home, "Library", "Application Support", folder);
             default:
-                return new File(home, folder + "/");
+                return Paths.get(home, folder);
         }
     }
 }