diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/CacheRepository.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/CacheRepository.java
index 133ea1f32..3b0544456 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/CacheRepository.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/CacheRepository.java
@@ -287,7 +287,7 @@ public class CacheRepository {
     }
 
     public void saveETagIndex() throws IOException {
-        try (FileChannel channel = FileChannel.open(indexFile, StandardOpenOption.READ, StandardOpenOption.WRITE)) {
+        try (FileChannel channel = FileChannel.open(indexFile, StandardOpenOption.CREATE, StandardOpenOption.READ, StandardOpenOption.WRITE)) {
             FileLock lock = channel.lock();
             try {
                 ETagIndex indexOnDisk = JsonUtils.fromMaybeMalformedJson(new String(IOUtils.readFullyWithoutClosing(Channels.newInputStream(channel)), UTF_8), ETagIndex.class);