diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java
index a619f356e..c3f29f135 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java
@@ -73,9 +73,9 @@ public final class ModpackFileSelectionPage extends StackPane implements WizardP
         ModAdviser.ModSuggestion state = ModAdviser.ModSuggestion.SUGGESTED;
         if (basePath.length() > "minecraft/".length()) {
             state = adviser.advise(StringUtils.substringAfter(basePath, "minecraft/") + (file.isDirectory() ? "/" : ""), file.isDirectory());
-            if (file.isFile() && Objects.equals(FileUtils.getNameWithoutExtension(file), version))
+            if (file.isFile() && Objects.equals(FileUtils.getNameWithoutExtension(file), version)) // Ignore <version>.json, <version>.jar
                 state = ModAdviser.ModSuggestion.HIDDEN;
-            if (file.isDirectory() && Objects.equals(file.getName(), version + "-natives"))
+            if (file.isDirectory() && Objects.equals(file.getName(), version + "-natives")) // Ignore <version>-natives
                 state = ModAdviser.ModSuggestion.HIDDEN;
             if (state == ModAdviser.ModSuggestion.HIDDEN)
                 return null;
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
index 67cf63ca1..cc831dd8e 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/launch/DefaultLauncher.java
@@ -217,10 +217,18 @@ public class DefaultLauncher extends Launcher {
 
     public void decompressNatives(File destination) throws NotDecompressingNativesException {
         try {
+            FileUtils.cleanDirectory(destination);
             for (Library library : version.getLibraries())
                 if (library.isNative())
                     new Unzipper(repository.getLibraryFile(version, library), destination)
-                            .setFilter((destFile, isDirectory, zipEntry, path) -> library.getExtract().shouldExtract(path))
+                            .setFilter((zipEntry, isDirectory, destFile, path) -> {
+                                if (!isDirectory && Files.isRegularFile(destFile) && Files.size(destFile) == Files.size(zipEntry))
+                                    return false;
+                                String ext = FileUtils.getExtension(destFile);
+                                if (ext.equals("sha1") || ext.equals("git"))
+                                    return false;
+                                return library.getExtract().shouldExtract(path);
+                            })
                             .setReplaceExistentFile(true).unzip();
         } catch (IOException e) {
             throw new NotDecompressingNativesException(e);
@@ -247,7 +255,7 @@ public class DefaultLauncher extends Launcher {
 
     @Override
     public ManagedProcess launch() throws IOException, InterruptedException {
-        File nativeFolder = Files.createTempDirectory("minecraft").toFile();
+        File nativeFolder = repository.getNativeDirectory(versionId);
 
         // To guarantee that when failed to generate launch command line, we will not call pre-launch command
         List<String> rawCommandLine = generateCommandLine(nativeFolder).asList();
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/Unzipper.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/Unzipper.java
index 03aba5207..6c138b792 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/Unzipper.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/Unzipper.java
@@ -128,7 +128,7 @@ public class Unzipper {
                     String relativePath = root.relativize(dir).toString();
                     Path dirToCreate = dest.resolve(relativePath);
                     if (filter != null && !filter.accept(dir, true, dirToCreate, relativePath))
-                        return FileVisitResult.CONTINUE;
+                        return FileVisitResult.SKIP_SUBTREE;
                     if (Files.notExists(dirToCreate)) {
                         Files.createDirectory(dirToCreate);
                     }
@@ -139,6 +139,6 @@ public class Unzipper {
     }
 
     public interface FileFilter {
-        boolean accept(Path destPath, boolean isDirectory, Path zipEntry, String entryPath) throws IOException;
+        boolean accept(Path zipEntry, boolean isDirectory, Path destFile, String entryPath) throws IOException;
     }
 }