diff --git a/src/apps/aud-base/config_app/config_app b/src/apps/aud-base/config_app/config_app
index 32a969731..b4a6abb46 100755
Binary files a/src/apps/aud-base/config_app/config_app and b/src/apps/aud-base/config_app/config_app differ
diff --git a/src/apps/aud-base/config_app/data/etc_ro/firmware_version b/src/apps/aud-base/config_app/data/etc_ro/firmware_version
index 5b4461dfe..664ae54ca 100755
--- a/src/apps/aud-base/config_app/data/etc_ro/firmware_version
+++ b/src/apps/aud-base/config_app/data/etc_ro/firmware_version
@@ -1 +1 @@
-1.0.2.246
+1.0.1.001
diff --git a/src/apps/aud-base/config_app/readme.txt b/src/apps/aud-base/config_app/readme.txt
index af6ecc042..08a55da90 100755
--- a/src/apps/aud-base/config_app/readme.txt
+++ b/src/apps/aud-base/config_app/readme.txt
@@ -33,6 +33,16 @@ config_app启动后的log实时保存在/tmp/config.log可实时查看
 
 ###OTA
 需要写入key数据后重启才可验证
-adb push nvram_helper.bin /tmp/
-adb shell /tmp/nvram_helper.bin -w robosen RBS1234567890123,C8:63:14:20:00:02,C8:63:14:20:00:03,17ffe8eb-1a09-44da-81f5-78f8b6ed1054,52849cce-d932-4179-86ed-3d1ca58426fbfc589f22-8b60-42a5-b673-a4ed2f2c4d09
+##path:tool/nvram_helper.bin
 
+1:adb push nvram_helper.bin /tmp/
+2:write key:
+dev1:
+adb shell /tmp/nvram_helper.bin -w robosen RBS1234567890124,FC:A4:7A:E0:4E:73,FC:A4:7A:E0:4E:74,66d79ee5-e553-4615-b03c-ac013fb58a56,35e6d575-e607-43ed-a26b-6d56fdf9a46acbc9bf46-c3ca-48d2-98aa-d91d9d6142c0
+dev2:
+adb shell /tmp/nvram_helper.bin -w robosen RBS1234567890125,FC:A4:7A:E0:4E:74,FC:A4:7A:E0:4E:75,abad1041-8723-4baf-af6f-8f68c7b5689d,3db4d740-356f-46a8-b122-7cb016a1039ec678e9dd-6092-4bb1-8a43-1d87d7b3b2ab
+dev3:
+adb shell /tmp/nvram_helper.bin -w robosen RBS1234567890126,FC:A4:7A:E0:4E:75,FC:A4:7A:E0:4E:76,dea3057f-6f11-480d-a937-a9f3a11cfad8,fb6212be-1155-4629-a158-ae33fe72736e33ccb202-4339-4cd5-8bb5-092dbedf4b82
+dev4:
+adb shell /tmp/nvram_helper.bin -w robosen RBS1234567890127,FC:A4:7A:E0:4E:76,FC:A4:7A:E0:4E:77,80a7aae0-bc18-4774-8e38-d53738497b8e,ebd83f2f-7bd0-4f14-9e34-30c931f2cbdd95e0cc43-7649-43b8-82d5-1a49f6a522a5
+3:reboot