diff --git a/app/src/main/java/com/fongmi/android/tv/player/ExoUtil.java b/app/src/main/java/com/fongmi/android/tv/player/ExoUtil.java
index ae8ee893d..1b4bd429a 100644
--- a/app/src/main/java/com/fongmi/android/tv/player/ExoUtil.java
+++ b/app/src/main/java/com/fongmi/android/tv/player/ExoUtil.java
@@ -181,7 +181,7 @@ public class ExoUtil {
     }
 
     private static CacheDataSource.Factory buildReadOnlyCacheDataSource(DataSource.Factory upstreamFactory, Cache cache) {
-        return new CacheDataSource.Factory().setCache(cache).setUpstreamDataSourceFactory(upstreamFactory).setFlags(CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR);
+        return new CacheDataSource.Factory().setCache(cache).setUpstreamDataSourceFactory(upstreamFactory).setCacheWriteDataSinkFactory(null).setFlags(CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR);
     }
 
     private static synchronized DatabaseProvider getDatabase() {