diff --git a/0.9.2/512k-flash/nodemcu_512k.bin b/0.9.2/512k-flash/nodemcu_512k.bin
index 04e743f6..94ceeebb 100644
Binary files a/0.9.2/512k-flash/nodemcu_512k.bin and b/0.9.2/512k-flash/nodemcu_512k.bin differ
diff --git a/README.md b/README.md
index 2bd0c01c..a4c2a448 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,8 @@ version 0.9.2 build 2014-12-02
 2014-12-02<br />
 fix the heap recover too slow issue, heap will recover in seconds, not minutes.<br />
 modify the return of file.open, return nil if file not exist, true if opend ok.<br />
-move startup version display before doing the init.lua.
+move startup version display before doing the init.lua.<br />
+modify wifi.ap.config(), remove the restart at the end of config.
 
 [more change log](https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_en#change_log)<br />
 [更多变更日志](https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_cn#change_log)