diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/mod/MultiMCModpackInstallTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/mod/MultiMCModpackInstallTask.java
index 0d42177b6..714bf40a6 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/mod/MultiMCModpackInstallTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/mod/MultiMCModpackInstallTask.java
@@ -21,10 +21,11 @@ import com.google.gson.JsonParseException;
 import com.google.gson.reflect.TypeToken;
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
 import org.jackhuang.hmcl.download.GameBuilder;
+import org.jackhuang.hmcl.download.MaintainTask;
 import org.jackhuang.hmcl.download.game.VersionJsonSaveTask;
-import org.jackhuang.hmcl.game.Arguments;
 import org.jackhuang.hmcl.game.DefaultGameRepository;
 import org.jackhuang.hmcl.game.Version;
+import org.jackhuang.hmcl.game.VersionLibraryBuilder;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.gson.JsonUtils;
@@ -139,20 +140,19 @@ public final class MultiMCModpackInstallTask extends Task {
                     if (patchJson.toString().endsWith(".json")) {
                         // If json is malformed, we should stop installing this modpack instead of skipping it.
                         MultiMCInstancePatch patch = JsonUtils.GSON.fromJson(IOUtils.readFullyAsString(Files.newInputStream(patchJson)), MultiMCInstancePatch.class);
-                        List<String> newArguments = new LinkedList<>();
-                        for (String arg : patch.getTweakers()) {
-                            newArguments.add("--tweakClass");
-                            newArguments.add(arg);
-                        }
-                        version = version
+
+                        VersionLibraryBuilder builder = new VersionLibraryBuilder(version);
+                        for (String arg : patch.getTweakers())
+                            builder.addArgument("--tweakClass", arg);
+
+                        version = builder.build()
                                 .setLibraries(Lang.merge(version.getLibraries(), patch.getLibraries()))
-                                .setMainClass(patch.getMainClass())
-                                .setArguments(version.getArguments().orElseGet(Arguments::new).addGameArguments(newArguments));
+                                .setMainClass(patch.getMainClass());
                     }
                 }
         }
 
-        dependencies.add(new VersionJsonSaveTask(repository, version));
+        dependencies.add(new MaintainTask(version).then(var -> new VersionJsonSaveTask(repository, var.get(MaintainTask.ID))));
         dependencies.add(new MinecraftInstanceTask<>(zipFile, modpack.getEncoding(), "/" + manifest.getName() + "/minecraft", manifest, MODPACK_TYPE, repository.getModpackConfiguration(name)));
     }