diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetIndexDownloadTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetIndexDownloadTask.java
index 82effb52b..117ac48c4 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetIndexDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetIndexDownloadTask.java
@@ -58,7 +58,7 @@ public final class GameAssetIndexDownloadTask extends Task {
     }
 
     @Override
-    public void execute() throws Exception {
+    public void execute() {
         AssetIndexInfo assetIndexInfo = version.getAssetIndex();
         File assetIndexFile = dependencyManager.getGameRepository().getIndexFile(version.getId(), assetIndexInfo.getId());
 
@@ -67,10 +67,7 @@ public final class GameAssetIndexDownloadTask extends Task {
         dependencies.add(new FileDownloadTask(
                 NetworkUtils.toURL(dependencyManager.getDownloadProvider().injectURL(assetIndexInfo.getUrl())),
                 assetIndexFile
-        ).setCaching(true)
-                .setCacheRepository(dependencyManager.getCacheRepository())
-                .setCandidate(dependencyManager.getCacheRepository().getCommonDirectory()
-                        .resolve("assets").resolve("indexes").resolve(assetIndexInfo.getId() + ".json")));
+        ).setCacheRepository(dependencyManager.getCacheRepository()));
     }
 
 }
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
index 060475f46..203ec5aff 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
@@ -299,12 +299,9 @@ public class FileDownloadTask extends Task {
                     integrityCheck.performCheck(digest);
                 }
 
-                if (caching) {
+                if (caching && integrityCheck != null) {
                     try {
-                        if (integrityCheck == null)
-                            repository.cacheFile(file.toPath(), CacheRepository.SHA1, Hex.encodeHex(DigestUtils.digest(CacheRepository.SHA1, file.toPath())));
-                        else
-                            repository.cacheFile(file.toPath(), integrityCheck.getAlgorithm(), integrityCheck.getChecksum());
+                        repository.cacheFile(file.toPath(), integrityCheck.getAlgorithm(), integrityCheck.getChecksum());
                     } catch (IOException e) {
                         Logging.LOG.log(Level.WARNING, "Failed to cache file", e);
                     }