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 0e0830deb..eaec71491 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
@@ -222,8 +222,14 @@ public class FileDownloadTask extends Task {
 
                 if (con.getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED) {
                     // Handle cache
-                    Path cache = repository.getCachedRemoteFile(con);
-                    FileUtils.copyFile(cache.toFile(), file);
+                    try {
+                        Path cache = repository.getCachedRemoteFile(con);
+                        FileUtils.copyFile(cache.toFile(), file);
+                        return;
+                    } catch (IOException e) {
+                        Logging.LOG.log(Level.WARNING, "Unable to use cached file, redownload it", e);
+                        repository.removeRemoteEntry(con);
+                    }
                 } else if (con.getResponseCode() / 100 != 2) {
                     throw new IOException("Server error, response code: " + con.getResponseCode());
                 }
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/GetTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/GetTask.java
index 5ee639722..14920b760 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/GetTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/GetTask.java
@@ -96,11 +96,17 @@ public final class GetTask extends TaskResult<String> {
                 if (checkETag) repository.injectConnection(conn);
                 conn.connect();
 
-                if (conn.getResponseCode() == 304) {
+                if (conn.getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED) {
                     // Handle cache
-                    Path cache = repository.getCachedRemoteFile(conn);
-                    setResult(FileUtils.readText(cache));
-                    return;
+                    try {
+                        Path cache = repository.getCachedRemoteFile(conn);
+                        setResult(FileUtils.readText(cache));
+                        return;
+                    } catch (IOException e) {
+                        Logging.LOG.log(Level.WARNING, "Unable to use cached file, redownload it", e);
+                        repository.removeRemoteEntry(conn);
+                        continue;
+                    }
                 } else if (conn.getResponseCode() / 100 != 2) {
                     throw new IOException("Server error, response code: " + conn.getResponseCode());
                 }
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 cc07c76f7..49497bf53 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/CacheRepository.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/CacheRepository.java
@@ -164,6 +164,16 @@ public class CacheRepository {
         return file;
     }
 
+    public void removeRemoteEntry(URLConnection conn) {
+        String url = conn.getURL().toString();
+        lock.readLock().lock();
+        try {
+            index.remove(url);
+        } finally {
+            lock.readLock().unlock();
+        }
+    }
+
     public void injectConnection(URLConnection conn) {
         String url = conn.getURL().toString();
         lock.readLock().lock();