diff --git a/.gitmodules b/.gitmodules
index eb1ad8e..14b49a5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -9,3 +9,4 @@
 [submodule "FW/m5stack_audio/lib/RFID.MFRC522"]
 	path = FW/m5stack_audio/lib/RFID.MFRC522
 	url = http://192.168.2.3/Bonobo.Git.Server/RFID.MFRC522.git
+	branch = master
diff --git a/FW/m5stack_audio/lib/README b/FW/m5stack_audio/lib/README
index 6debab1..41e557c 100644
--- a/FW/m5stack_audio/lib/README
+++ b/FW/m5stack_audio/lib/README
@@ -44,3 +44,8 @@ libraries scanning project source files.
 
 More information about PlatformIO Library Dependency Finder
 - https://docs.platformio.org/page/librarymanager/ldf.html
+
+
+update submodules force
+
+$git submodule update --init --force --remote
\ No newline at end of file
diff --git a/FW/m5stack_audio/src/audio.cpp b/FW/m5stack_audio/src/audio.cpp
index 84f41ad..b74812a 100644
--- a/FW/m5stack_audio/src/audio.cpp
+++ b/FW/m5stack_audio/src/audio.cpp
@@ -82,7 +82,7 @@ void handleAudio()
     if (!mp3->loop())
     {
       //mp3->stop();
-      if(n++ > AUDIOREPEATS)
+      if(n++ >= AUDIOREPEATS)
       {
         i++;
         n= 0;
diff --git a/FW/m5stack_audio/src/audio.h b/FW/m5stack_audio/src/audio.h
index 430445b..b48aa9f 100644
--- a/FW/m5stack_audio/src/audio.h
+++ b/FW/m5stack_audio/src/audio.h
@@ -7,7 +7,7 @@
 #include "AudioFileSourceID3.h"
 #include "AudioOutputI2S.h"
 
-#define AUDIOGAIN     0.1
+#define AUDIOGAIN     1
 #define AUDIONSONGS   3
 #define AUDIOREPEATS  3