diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 064b2892e..7dd9cb948 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -234,7 +234,7 @@
 
 ## 保证该私有变量不被混淆
 -keepclassmembers class com.google.android.exoplayer2.upstream.cache.CacheDataSource$Factory {
-    upstreamDataSourceFactory;
+    *** upstreamDataSourceFactory;
 }
 
 ## 对外提供api