From 8025b8e24b3c848dc08bc2847f697bf8e5ac79af Mon Sep 17 00:00:00 2001
From: Glavo <zjx001202@gmail.com>
Date: Sat, 18 Dec 2021 00:40:09 +0800
Subject: [PATCH] Support offline installation of OptiFine 1.17.1 H1 and later

---
 .../jackhuang/hmcl/download/optifine/OptiFineInstallTask.java    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java
index cf8e712c1..38c8eef0b 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java
@@ -229,6 +229,7 @@ public final class OptiFineInstallTask extends Task<Version> {
         try (FileSystem fs = CompressingUtils.createReadOnlyZipFileSystem(installer)) {
             Path configClass = fs.getPath("Config.class");
             if (!Files.exists(configClass)) configClass = fs.getPath("net/optifine/Config.class");
+            if (!Files.exists(configClass)) configClass = fs.getPath("notch/net/optifine/Config.class");
             if (!Files.exists(configClass)) throw new IOException("Unrecognized installer");
             ConstantPool pool = ConstantPoolScanner.parse(Files.readAllBytes(configClass), ConstantType.UTF8);
             List<String> constants = new ArrayList<>();