diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 28fa0efa3..499d6addd 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -80,6 +80,4 @@
 -keep class com.xunlei.downloadlib.** { *; }
 
 # Zxing
--keep class com.google.zxing.BarcodeFormat { *; }
--keep class com.google.zxing.EncodeHintType { *; }
--keep class com.google.zxing.MultiFormatWriter { *; }
\ No newline at end of file
+-keep class com.google.zxing.** { *; }
\ No newline at end of file