diff --git a/Live/proguard-rules.pro b/Live/proguard-rules.pro
index 316ea84..b88bca2 100644
--- a/Live/proguard-rules.pro
+++ b/Live/proguard-rules.pro
@@ -23,3 +23,9 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keep public class com.frank.live.LivePusherNew {
+}
\ No newline at end of file
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 7aa439a..3fe2ad7 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -23,3 +23,21 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keep public class com.frank.ffmpeg.AudioPlayer {
+}
+
+-keep public class com.frank.ffmpeg.FFmpegCmd {
+}
+
+-keep public class com.frank.ffmpeg.MediaPlayer {
+}
+
+-keep public class com.frank.ffmpeg.Pusher {
+}
+
+-keep public class com.frank.ffmpeg.VideoPlayer {
+}
\ No newline at end of file
diff --git a/libmp3/proguard-rules.pro b/libmp3/proguard-rules.pro
index f1b4245..04e36ae 100644
--- a/libmp3/proguard-rules.pro
+++ b/libmp3/proguard-rules.pro
@@ -19,3 +19,9 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keep public class com.frank.mp3.Mp3Lite {
+}
\ No newline at end of file
diff --git a/libmp3/src/main/java/com/frank/mp3/Mp3Lite.java b/libmp3/src/main/java/com/frank/mp3/Mp3Lite.java
index b81573e..5895dc7 100644
--- a/libmp3/src/main/java/com/frank/mp3/Mp3Lite.java
+++ b/libmp3/src/main/java/com/frank/mp3/Mp3Lite.java
@@ -1,8 +1,8 @@
 package com.frank.mp3;
 
 /**
- * Mp3Lite: use AudioTrack and OpenSL ES to play audio
- * Created by frank on 2018/2/1.
+ * Mp3Lite: use libmp3lame to encode audio
+ * Created by frank on 2011/02/66.
  */
 
 public class Mp3Lite {