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 f22294d41..180505259 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java
@@ -84,9 +84,11 @@ public final class AccountHelper {
     }
 
     public static Image getSkin(YggdrasilAccount account, double scaleRatio) {
-        if (account.getSelectedProfile() == null) return FXUtils.DEFAULT_ICON;
+        if (account.getSelectedProfile() == null)
+            return getDefaultSkin(account, scaleRatio);
         String name = account.getSelectedProfile().getName();
-        if (name == null) return FXUtils.DEFAULT_ICON;
+        if (name == null)
+            return getDefaultSkin(account, scaleRatio);
         File file = getSkinFile(name);
         if (file.exists()) {
             Image original = new Image("file:" + file.getAbsolutePath());
@@ -95,7 +97,7 @@ public final class AccountHelper {
                     original.getHeight() * scaleRatio,
                     false, false);
         }
-        return FXUtils.DEFAULT_ICON;
+        return getDefaultSkin(account, scaleRatio);
     }
 
     public static Image getSkinImmediately(YggdrasilAccount account, GameProfile profile, double scaleRatio, Proxy proxy) throws Exception {
@@ -103,13 +105,10 @@ public final class AccountHelper {
         File file = getSkinFile(name);
         downloadSkin(account, profile, true, proxy);
         if (!file.exists())
-            return FXUtils.DEFAULT_ICON;
+            return getDefaultSkin(account, scaleRatio);
 
-        Image original = new Image("file:" + file.getAbsolutePath());
-        return new Image("file:" + file.getAbsolutePath(),
-                original.getWidth() * scaleRatio,
-                original.getHeight() * scaleRatio,
-                false, false);
+        String url = "file:" + file.getAbsolutePath();
+        return scale(url, scaleRatio);
     }
 
     public static Rectangle2D getViewport(double scaleRatio) {
@@ -164,4 +163,31 @@ public final class AccountHelper {
             return;
         new FileDownloadTask(NetworkUtils.toURL(url), file, proxy).run();
     }
+
+    public static Image scale(String url, double scaleRatio) {
+        Image origin = new Image(url);
+        return new Image(url,
+                origin.getWidth() * scaleRatio,
+                origin.getHeight() * scaleRatio,
+                false, false);
+    }
+
+    public static Image getSteveSkin(double scaleRatio) {
+         return scale("/assets/img/steve.png", 4);
+    }
+
+    public static Image getAlexSkin(double scaleRatio) {
+        return scale("/assets/img/alex.png", 4);
+    }
+
+    public static Image getDefaultSkin(Account account, double scaleRatio) {
+        if (account == null)
+            return getSteveSkin(scaleRatio);
+
+        int type = account.getUUID().hashCode() & 1;
+        if (type == 1)
+            return getAlexSkin(scaleRatio);
+        else
+            return getSteveSkin(scaleRatio);
+    }
 }
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Locales.java b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Locales.java
index a42894ff8..17210c6b4 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Locales.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Locales.java
@@ -54,7 +54,7 @@ public final class Locales {
      */
     public static final SupportedLocale RU = new SupportedLocale(new Locale("ru"));
 
-    public static final List<SupportedLocale> LOCALES = Arrays.asList(DEFAULT, EN, ZH, ZH_CN, VI, RU);
+    public static final List<SupportedLocale> LOCALES = Arrays.asList(DEFAULT, ZH_CN);
 
     public static SupportedLocale getLocale(int index) {
         return Lang.get(LOCALES, index).orElse(DEFAULT);
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/AccountItem.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/AccountItem.java
index c9a69add0..2c73a2543 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/AccountItem.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/AccountItem.java
@@ -96,7 +96,8 @@ public final class AccountItem extends StackPane {
             });
             AccountHelper.loadSkinAsync((YggdrasilAccount) account)
                     .subscribe(Schedulers.javafx(), this::loadSkin);
-        }
+        } else
+            loadSkin();
 
         if (account instanceof OfflineAccount) { // Offline Account cannot be refreshed,
             buttonPane.getChildren().remove(btnRefresh);
@@ -104,12 +105,12 @@ public final class AccountItem extends StackPane {
     }
 
     private void loadSkin() {
-        if (!(account instanceof YggdrasilAccount))
-            return;
-
         pgsSkin.setVisible(false);
         portraitView.setViewport(AccountHelper.getViewport(4));
-        portraitView.setImage(AccountHelper.getSkin((YggdrasilAccount) account, 4));
+        if (account instanceof YggdrasilAccount)
+            portraitView.setImage(AccountHelper.getSkin((YggdrasilAccount) account, 4));
+        else
+            portraitView.setImage(AccountHelper.getDefaultSkin(account, 4));
         FXUtils.limitSize(portraitView, 32, 32);
     }
 
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
index 0b436d871..63b803b0a 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
@@ -150,7 +150,10 @@ public final class Controllers {
     }
 
     public static void navigate(Node node) {
-        decorator.showPage(node);
+        if (decorator.getNowPage() == node)
+            decorator.showPage(null);
+        else
+            decorator.showPage(node);
     }
 
     public static void showUpdate() {
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Decorator.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Decorator.java
index c5e4f800f..a595acf76 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Decorator.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Decorator.java
@@ -418,6 +418,10 @@ public final class Decorator extends StackPane implements TaskExecutorDialogWiza
     private String category;
     private Node nowPage;
 
+    public Node getNowPage() {
+        return nowPage;
+    }
+
     public void showPage(Node content) {
         contentPlaceHolder.getStyleClass().removeAll("gray-background", "white-background");
         if (content != null)
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/LeftPaneController.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/LeftPaneController.java
index 17fa34f65..e36a62936 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/LeftPaneController.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/LeftPaneController.java
@@ -68,7 +68,7 @@ public final class LeftPaneController {
                     iconedItem.prefWidthProperty().bind(leftPane.widthProperty());
                     iconedItem.setOnMouseClicked(e -> Controllers.navigate(Controllers.getSettingsPage()));
                 }))
-                .startCategory(Main.i18n("profile").toUpperCase())
+                .startCategory(Main.i18n("profile.title").toUpperCase())
                 .add(profilePane);
 
         EventBus.EVENT_BUS.channel(ProfileLoadingEvent.class).register(this::onProfilesLoading);
@@ -90,23 +90,22 @@ public final class LeftPaneController {
 
             if (it instanceof YggdrasilAccount) {
                 Image image = AccountHelper.getSkin((YggdrasilAccount) it, 4);
-                if (image == FXUtils.DEFAULT_ICON)
-                    accountItem.setImage(FXUtils.DEFAULT_ICON, null);
-                else
-                    accountItem.setImage(image, AccountHelper.getViewport(4));
+                accountItem.setImage(image, AccountHelper.getViewport(4));
             } else
-                accountItem.setImage(FXUtils.DEFAULT_ICON, null);
+                accountItem.setImage(AccountHelper.getDefaultSkin(it, 4), AccountHelper.getViewport(4));
         });
     }
 
     private void onProfileChanged(ProfileChangedEvent event) {
         Profile profile = event.getProfile();
 
-        for (Node node : profilePane.getChildren()) {
-            if (node instanceof RipplerContainer && node.getProperties().get("profile") instanceof Pair<?, ?>) {
-                ((RipplerContainer) node).setSelected(Objects.equals(((Pair) node.getProperties().get("profile")).getKey(), profile.getName()));
+        Platform.runLater(() -> {
+            for (Node node : profilePane.getChildren()) {
+                if (node instanceof RipplerContainer && node.getProperties().get("profile") instanceof Pair<?, ?>) {
+                    ((RipplerContainer) node).setSelected(Objects.equals(((Pair) node.getProperties().get("profile")).getKey(), profile.getName()));
+                }
             }
-        }
+        });
     }
 
     private void onProfilesLoading() {
diff --git a/HMCL/src/main/resources/assets/fxml/account-item.fxml b/HMCL/src/main/resources/assets/fxml/account-item.fxml
index cd420287c..6465b0f0c 100644
--- a/HMCL/src/main/resources/assets/fxml/account-item.fxml
+++ b/HMCL/src/main/resources/assets/fxml/account-item.fxml
@@ -48,7 +48,6 @@
             <StackPane.margin>
                 <Insets right="12" />
             </StackPane.margin>
-            <Image url="/assets/img/icon.png" />
         </ImageView>
     </StackPane>
 </fx:root>
diff --git a/HMCL/src/main/resources/assets/lang/I18N.properties b/HMCL/src/main/resources/assets/lang/I18N.properties
index 4e2b093f8..8fb5758bc 100644
--- a/HMCL/src/main/resources/assets/lang/I18N.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N.properties
@@ -285,6 +285,7 @@ profile.instance_directory=Game Directory
 profile.new=New Config
 profile.new_name=New Profile Name:
 profile.remove=Sure to remove profile %s?
+profile.title=Game Directories
 
 selector.choose=Choose
 selector.choose_file=Select a file
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 35b9f1677..d69d1d399 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
@@ -161,7 +161,7 @@ launch.unsupported_launcher_version=对不起，本启动器现在可能不能
 launch.wrong_javadir=错误的Java路径，将自动重置为默认Java路径。
 
 launcher=启动器
-launcher.about=默认背景图感谢gamerteam提供。\n关于作者：\n百度ID：huanghongxun20\nmcbbs：huanghongxun\nMinecraft Forum ID: klkl6523\n欢迎提交Bug哦\nCopyright (c) 2013-2017 huangyuhui.\n免责声明：Minecraft软件版权归Mojang AB所有，\n使用本软件产生的版权问题本软件制作方概不负责。\n本启动器在GPLv3协议下开源:https://github.com/huanghongxun/HMCL/ ,\n感谢issues和pull requests贡献者\n本软件使用了基于Apache License 2.0的Gson项目，感谢贡献者。
+launcher.about=默认背景图感谢gamerteam提供。\n关于作者：\n百度ID：huanghongxun20; mcbbs：huanghongxun; Minecraft Forum ID: klkl6523\nCopyright (c) 2018 huangyuhui.\n免责声明：Minecraft软件版权归Mojang AB所有，\n使用本软件产生的版权问题本软件制作方概不负责。\n本启动器在GPLv3协议下开源:https://github.com/huanghongxun/HMCL/ ,\n感谢issues和pull requests贡献者\n本软件使用了基于Apache License 2.0的Gson项目，感谢贡献者。
 launcher.background_location=背景地址
 launcher.background_tooltip=启动器默认使用自带的背景\n如果当前目录有background.png，则会使用该文件作为背景\n如果当前目录有bg子目录，则会随机使用里面的一张图作为背景\n如果该背景地址被修改，则会使用背景地址里的一张图作为背景\n背景地址允许有多个地址，使用半角分号";"(不包含双引号)分隔
 launcher.choose_bgpath=选择背景路径
@@ -285,6 +285,7 @@ profile.instance_directory=游戏路径
 profile.new=新建配置
 profile.new_name=新配置名:
 profile.remove=真的要删除配置%s吗？
+profile.title=游戏目录
 
 selector.choose=选择
 selector.choose_file=选择文件
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java
index 323849fcf..7ea665ae4 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java
@@ -20,6 +20,7 @@ package org.jackhuang.hmcl.auth;
 import java.net.Proxy;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.UUID;
 
 /**
  *
@@ -32,6 +33,11 @@ public abstract class Account {
      */
     public abstract String getUsername();
 
+    /**
+     * @return the UUID
+     */
+    public abstract UUID getUUID();
+
     /**
      * log in.
      * @param selector selects a character
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/OfflineAccount.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/OfflineAccount.java
index 69b229aef..e7c0ede0b 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/OfflineAccount.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/OfflineAccount.java
@@ -20,10 +20,12 @@ package org.jackhuang.hmcl.auth;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.Pair;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.UUIDTypeAdapter;
 
 import java.net.Proxy;
 import java.util.Map;
 import java.util.Objects;
+import java.util.UUID;
 
 /**
  *
@@ -45,8 +47,8 @@ public class OfflineAccount extends Account {
             throw new IllegalArgumentException("Username cannot be blank");
     }
 
-    public String getUuid() {
-        return uuid;
+    public UUID getUUID() {
+        return UUIDTypeAdapter.fromString(uuid);
     }
 
     @Override
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java
index ea87d16e2..b3e691932 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java
@@ -244,6 +244,13 @@ public final class YggdrasilAccount extends Account {
         }
     }
 
+    public UUID getUUID() {
+        if (getSelectedProfile() == null)
+            return null;
+        else
+            return getSelectedProfile().getId();
+    }
+
     public Optional<ProfileTexture> getSkin(GameProfile profile) throws IOException, JsonParseException {
         if (StringUtils.isBlank(userId))
             throw new IllegalStateException("Not logged in");