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 b5706a924..8bd37b335 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
@@ -26,6 +26,7 @@ import org.jackhuang.hmcl.download.DefaultDependencyManager;
 import org.jackhuang.hmcl.download.LibraryAnalyzer;
 import org.jackhuang.hmcl.download.MaintainTask;
 import org.jackhuang.hmcl.download.game.GameAssetIndexDownloadTask;
+import org.jackhuang.hmcl.download.game.GameVerificationFixTask;
 import org.jackhuang.hmcl.download.game.LibraryDownloadException;
 import org.jackhuang.hmcl.launch.NotDecompressingNativesException;
 import org.jackhuang.hmcl.launch.PermissionException;
@@ -149,6 +150,9 @@ public final class LauncherHelper {
                                 return null;
                             }
                         }))).withStage("launch.state.dependencies")
+                .thenComposeAsync(() -> {
+                    return gameVersion.map(s -> new GameVerificationFixTask(dependencyManager, s, version)).orElse(null);
+                })
                 .thenComposeAsync(Task.supplyAsync(() -> {
                     try {
                         return account.logIn();
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameVerificationFixTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameVerificationFixTask.java
new file mode 100644
index 000000000..b76ca25be
--- /dev/null
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameVerificationFixTask.java
@@ -0,0 +1,82 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  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.download.game;
+
+import org.jackhuang.hmcl.download.DefaultDependencyManager;
+import org.jackhuang.hmcl.download.LibraryAnalyzer;
+import org.jackhuang.hmcl.game.GameVersion;
+import org.jackhuang.hmcl.game.Version;
+import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.util.CacheRepository;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.FileSystem;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * Remove class digital verification file in game jar
+ * @author huangyuhui
+ */
+public final class GameVerificationFixTask extends Task<Void> {
+    private final DefaultDependencyManager dependencyManager;
+    private final String gameVersion;
+    private final Version version;
+    private final List<Task<?>> dependencies = new LinkedList<>();
+
+    public GameVerificationFixTask(DefaultDependencyManager dependencyManager, String gameVersion, Version version) {
+        this.dependencyManager = dependencyManager;
+        this.gameVersion = gameVersion;
+        this.version = version;
+
+        if (!version.isResolved()) {
+            throw new IllegalArgumentException("GameVerificationFixTask requires a resolved game version");
+        }
+
+        setSignificance(TaskSignificance.MODERATE);
+    }
+
+    @Override
+    public Collection<Task<?>> getDependencies() {
+        return dependencies;
+    }
+
+    @Override
+    public void execute() throws IOException {
+        File jar = dependencyManager.getGameRepository().getVersionJar(version);
+        LibraryAnalyzer analyzer = LibraryAnalyzer.analyze(version);
+
+        if (jar.exists() && VersionNumber.VERSION_COMPARATOR.compare(gameVersion, "1.6") < 0 && analyzer.has(LibraryAnalyzer.LibraryType.FORGE)) {
+            try (FileSystem fs = CompressingUtils.createWritableZipFileSystem(jar.toPath(), StandardCharsets.UTF_8)) {
+                Files.deleteIfExists(fs.getPath("META-INF/MOJANG_C.DSA"));
+                Files.deleteIfExists(fs.getPath("META-INF/MOJANG_C.SF"));
+            }
+        }
+    }
+    
+}