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 af7ec1328..8a066debb 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
@@ -40,7 +40,6 @@ import org.jackhuang.hmcl.ui.LogWindow;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
 import org.jackhuang.hmcl.ui.construct.TaskExecutorDialogPane;
 import org.jackhuang.hmcl.util.*;
-import org.jackhuang.hmcl.util.i18n.I18nException;
 
 import java.io.File;
 import java.io.IOException;
@@ -182,10 +181,17 @@ public final class LauncherHelper {
                             Exception ex = executor.getLastException();
                             if (ex != null) {
                                 String message;
-                                if (ex instanceof CurseCompletionException)
+                                if (ex instanceof CurseCompletionException) {
                                     message = i18n("modpack.type.curse.error");
-                                else
-                                    message = I18nException.getStackTrace(ex);
+                                } else if (ex instanceof PermissionException) {
+                                    message = i18n("launch.failed.executable_permission");
+                                } else if (ex instanceof ProcessCreationException) {
+                                    message = i18n("launch.failed.creating_process") + ex.getLocalizedMessage();
+                                } else if (ex instanceof NotDecompressingNativesException) {
+                                    message = i18n("launch.failed.decompressing_natives") + ex.getLocalizedMessage();
+                                } else {
+                                    message = StringUtils.getStackTrace(ex);
+                                }
                                 Controllers.dialog(message,
                                         scriptFile == null ? i18n("launch.failed") : i18n("version.launch_script.failed"),
                                         MessageBox.ERROR_MESSAGE);
@@ -298,15 +304,7 @@ public final class LauncherHelper {
 
         @Override
         public void execute() throws Exception {
-            try {
-                setResult(supplier.get());
-            } catch (PermissionException e) {
-                throw new I18nException(i18n("launch.failed.executable_permission"), e);
-            } catch (ProcessCreationException e) {
-                throw new I18nException(i18n("launch.failed.creating_process") + e.getLocalizedMessage(), e);
-            } catch (NotDecompressingNativesException e) {
-                throw new I18nException(i18n("launch.failed.decompressing_natives") + e.getLocalizedMessage(), e);
-            }
+            setResult(supplier.get());
         }
 
         @Override
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/util/i18n/I18nException.java b/HMCL/src/main/java/org/jackhuang/hmcl/util/i18n/I18nException.java
deleted file mode 100644
index bd1b49884..000000000
--- a/HMCL/src/main/java/org/jackhuang/hmcl/util/i18n/I18nException.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- *
- * 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 {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.util.i18n;
-
-import org.jackhuang.hmcl.util.StringUtils;
-
-public class I18nException extends Exception {
-    private final String localizedMessage;
-
-    public I18nException(String localizedMessage) {
-        this.localizedMessage = localizedMessage;
-    }
-
-    public I18nException(String localizedMessage, Throwable suppressed) {
-        addSuppressed(suppressed);
-
-        this.localizedMessage = localizedMessage;
-    }
-
-    @Override
-    public String getLocalizedMessage() {
-        return localizedMessage;
-    }
-
-    public static String getStackTrace(Throwable e) {
-        if (e instanceof I18nException)
-            return e.getLocalizedMessage();
-        else
-            return StringUtils.getStackTrace(e);
-    }
-}