diff --git a/0.9.2/512k-flash/nodemcu_512k.bin b/0.9.2/512k-flash/nodemcu_512k.bin
index 94ceeebb..d8371e03 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 a4c2a448..452ab174 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,9 @@
# **NodeMcu** #
###A lua based firmware for wifi-soc esp8266
-version 0.9.2 build 2014-12-02
+version 0.9.2 build 2014-12-04
# Change log
-2014-12-02
-fix the heap recover too slow issue, heap will recover in seconds, not minutes.
-modify the return of file.open, return nil if file not exist, true if opend ok.
-move startup version display before doing the init.lua.
-modify wifi.ap.config(), remove the restart at the end of config.
+2014-12-04
+fix memory leak issue when input and run from console.
[more change log](https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_en#change_log)
[更多变更日志](https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_cn#change_log)