diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackExportTask.java b/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackExportTask.java
index 89fe178de..13bf1f3d7 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackExportTask.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackExportTask.java
@@ -61,6 +61,8 @@ public class HMCLModpackExportTask extends Task {
         Logging.LOG.info("Compressing game files without some files in blacklist, including files or directories: usernamecache.json, asm, logs, backups, versions, assets, usercache.json, libraries, crash-reports, launcher_profiles.json, NVIDIA, TCNodeTracker");
         try (Zipper zip = new Zipper(output.toPath())) {
             zip.putDirectory(repository.getRunDirectory(version).toPath(), "minecraft", path -> {
+                if (path.isEmpty())
+                    return true;
                 for (String s : blackList)
                     if (path.equals(s))
                         return false;
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackManager.java b/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackManager.java
index 2d4ba4aaf..5b85437dd 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackManager.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLModpackManager.java
@@ -36,7 +36,7 @@ public final class HMCLModpackManager {
     public static final List<String> MODPACK_BLACK_LIST = Lang.immutableListOf(
             "usernamecache.json", "usercache.json", // Minecraft
             "launcher_profiles.json", "launcher.pack.lzma", // Minecraft Launcher
-            "pack.json", "launcher.jar", "hmclmc.log", // HMCL
+            "pack.json", "launcher.jar", "hmclmc.log", "cache", // HMCL
             "manifest.json", "minecraftinstance.json", ".curseclient", // Curse
             "minetweaker.log", // Mods
             "jars", "logs", "versions", "assets", "libraries", "crash-reports", "NVIDIA", "AMD", "screenshots", "natives", "native", "$native", "server-resource-packs", // Minecraft
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/Zipper.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/Zipper.java
index fd6e8332b..d7815077a 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/Zipper.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/Zipper.java
@@ -76,7 +76,7 @@ public final class Zipper implements Closeable {
                     return FileVisitResult.SKIP_SUBTREE;
                 }
                 String relativePath = source.relativize(file).normalize().toString();
-                if (filter != null && !filter.test(relativePath)) {
+                if (filter != null && !filter.test(relativePath.replace('\\', '/'))) {
                     return FileVisitResult.SKIP_SUBTREE;
                 }
                 Files.copy(file, root.resolve(relativePath));
@@ -86,7 +86,7 @@ public final class Zipper implements Closeable {
             @Override
             public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                 String relativePath = source.relativize(dir).normalize().toString();
-                if (filter != null && !filter.test(relativePath)) {
+                if (filter != null && !filter.test(relativePath.replace('\\', '/'))) {
                     return FileVisitResult.SKIP_SUBTREE;
                 }
                 Path path = root.resolve(relativePath);