diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/game/ModpackHelper.java b/HMCL/src/main/java/org/jackhuang/hmcl/game/ModpackHelper.java
index 491502744..7d189d253 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/ModpackHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/ModpackHelper.java
@@ -236,7 +236,11 @@ public final class ModpackHelper {
         if (provider == null) {
             throw new UnsupportedModpackException();
         }
-        return provider.createUpdateTask(profile.getDependency(), name, zipFile, modpack);
+        if (modpack.getManifest() instanceof MultiMCInstanceConfiguration)
+            return provider.createUpdateTask(profile.getDependency(), name, zipFile, modpack)
+                    .thenComposeAsync(() -> createMultiMCPostUpdateTask(profile, (MultiMCInstanceConfiguration) modpack.getManifest(), name));
+        else
+            return provider.createUpdateTask(profile.getDependency(), name, zipFile, modpack);
     }
 
     public static void toVersionSetting(MultiMCInstanceConfiguration c, VersionSetting vs) {
@@ -276,6 +280,24 @@ public final class ModpackHelper {
         }
     }
 
+    private static void applyCommandAndJvmSettings(MultiMCInstanceConfiguration c, VersionSetting vs) {
+        if (c.isOverrideCommands()) {
+            vs.setWrapper(Lang.nonNull(c.getWrapperCommand(), ""));
+            vs.setPreLaunchCommand(Lang.nonNull(c.getPreLaunchCommand(), ""));
+        }
+
+        if (c.isOverrideJavaArgs()) {
+            vs.setJavaArgs(Lang.nonNull(c.getJvmArgs(), ""));
+        }
+    }
+
+    private static Task<Void> createMultiMCPostUpdateTask(Profile profile, MultiMCInstanceConfiguration manifest, String version) {
+        return Task.runAsync(Schedulers.javafx(), () -> {
+            VersionSetting vs = Objects.requireNonNull(profile.getRepository().specializeVersionSetting(version));
+            ModpackHelper.applyCommandAndJvmSettings(manifest, vs);
+        });
+    }
+
     private static Task<Void> createMultiMCPostInstallTask(Profile profile, MultiMCInstanceConfiguration manifest, String version) {
         return Task.runAsync(Schedulers.javafx(), () -> {
             VersionSetting vs = Objects.requireNonNull(profile.getRepository().specializeVersionSetting(version));