diff --git a/README.md b/README.md
index d417e2d2..ffbab8dc 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,14 @@
 # **nodeMcu API Instruction** #
-   version 0.1 2014-10-11
-   change log：
-   2014-11-5
-   delete log operation api from node module
-   add log module
-   modify wifi module api
-   modify node.key long_press and short_press default function
-   key is triged only when key is released
+###version 0.1 2014-10-11
+###change log：
+
+2014-11-5<br />
+delete log operation api from node module<br />
+add log module<br />
+modify wifi module api<br />
+modify node.key long_press and short_press default function<br />
+key is triged only when key is released<br />
+
 
 # Summary
 - Easy to access wireless router
@@ -49,175 +51,178 @@
 
 
 #Firmware Program
-Address
-:    eagle.app.v6.flash.bin: 0x00000
-:    eagle.app.v6.irom0text.bin: 0x10000
-:    esp_init_data_default.bin: 0x7c000
-:    blank.bin: 0x7e000
+###Address
+
+eagle.app.v6.flash.bin: 0x00000<br />
+eagle.app.v6.irom0text.bin: 0x10000<br />
+esp_init_data_default.bin: 0x7c000<br />
+blank.bin: 0x7e000
 
 
 #node module
 <a id="nm_restart"></a>
 ## node.restart()
-Description
-:    module restart.
+####Description
+module restart.
 
-Syntax
-:    node.restart()
+####Syntax
 
-Parameters
-:    null
+node.restart()
 
-Returns
-:    null
+####Parameters
+null
 
-Example
-:    ****    
+####Returns
+null
+
+####Example
+   
 ```
     node.restart();
 ```
 
-See also
-:    **-**   []()
+####See also
+**-**   []()
 
 <a id="nm_dsleep"></a>
 ## node.dsleep()
-Description
-:    enter deep sleep mode for us micro seconds，restart when timed out
-     us: sleep time in micro second
+####Description
 
-Syntax
-:    node.dsleep(us)
-     Note: This function can only be used in the condition of connecting esp8266 PIN32(rst) and PIN8(XPD_DCDC) together.
+enter deep sleep mode for us micro seconds，restart when timed out<br />
+us: sleep time in micro second
 
-Parameters
-:    us:sleep time in micro second
+####Syntax
 
-Returns
-:    null
+node.dsleep(us)<br />
+**-Note:** This function can only be used in the condition of connecting esp8266 PIN32(rst) and PIN8(XPD_DCDC) together.
+
+####Parameters
+us:sleep time in micro second
+
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     node.dsleep(us);
 ```
 
-See also
-:    **-**   []()
+####See also
+**-**   []()
 
 <a id="nm_chipid"></a>
 ## node.chipid()
-Description
-:    return chip identifier
+####Description
+return chip identifier
 
-Syntax
-:    node.chipid()
+####Syntax
+node.chipid()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    number:chip identifier
+####Returns
+number:chip identifier
+
+####Example
 
-Example
-:    ****
 ```
     uint32 id = node.chipid();
 ```
 
-See also
-:    **-**   []()
+####See also
+**-**   []()
 
 <a id="nm_heap"></a>
 ## node.heap()
-Description
-:    return the available RAM size in bytes
+####Description
+return the available RAM size in bytes
 
-Syntax
-:    node.heap()
+####Syntax
+node.heap()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    number:system heap size left in bytes
+####Returns
+number:system heap size left in bytes
+
+####Example
 
-Example
-:    ****
 ```
     uint32 heap_size = node.heap();
 ```
 
-See also
-:    **-**   []()
+####See also
+**-**   []()
 
 <a id="nm_key"></a>
 ## node.key()
-Description
-:    define button function.
+####Description
+define button function.
 
-Syntax
-:    node.key(type, function())
+####Syntax
+node.key(type, function())
 
-Parameters
-:    type: type is either string ”long” or ”short”. long: press the button for 3 seconds, short: press shortly(less than 3 seconds)
-     function(): user defined function for button. If null, cancling the user defined function, function are initialized to default.
-     Default function: long：change LED blinking rate,  short：reset chip
+####Parameters
+type: type is either string ”long” or ”short”. long: press the button for 3 seconds, short: press shortly(less than 3 seconds)<br />
+function(): user defined function for button. If null, cancling the user defined function, function are initialized to default.<br />
+Default function: long：change LED blinking rate,  short：reset chip
 
-Returns
-:    null
+####Returns
+null
 
-Example
-:    
+####Example    
 ```
     node.key(long, function(){print('hello world')})
 ```
 
-See also
-:    **-**   []()
+####See also
+**-**   []()
 
 <a id="nm_led"></a>
 ## node.led()
-Description
-:    setup the on/off time for led
+####Description
+setup the on/off time for led
 
-Syntax
-:    node.key(type, function())
+####Syntax
+node.key(type, function())
 
-Parameters
-:    Low: LED off time, 0 for LED keeps on. Unit: milliseconds, time resolution: 80~100ms
-     High: LED off time. Unit: milliseconds, time resolution: 80~100ms
+####Parameters
+Low: LED off time, 0 for LED keeps on. Unit: milliseconds, time resolution: 80~100ms<br />
+High: LED off time. Unit: milliseconds, time resolution: 80~100ms
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //turn led on forever.
     node.led(0,null);
 ```
 
-See also
-:    **-**   []()
+####See also
+**-**   []()
 
 #log module
 <a id="lg_format"></a>
 ## log.format()
-Description
-:    format flash for users.
+####Description
+format flash for users.
 
-Syntax
-:    log.format()
+####Syntax
+log.format()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //record log to init.lua. Call the file after system restart.
     log.format()
@@ -226,27 +231,28 @@ Example
     log.stoplog()
 ```
 
-See also
-:    **-**   [log.startlog()](#lg_startlog)
-:    **-**   [log.stoplog()](#lg_stoplog)
+####See also
+**-**   [log.startlog()](#lg_startlog)<br />
+**-**   [log.stoplog()](#lg_stoplog)
 
 <a id="lg_startlog"></a>
 ## log.startlog()
-Description
-:    start to log input
+####Description
+start to log input
 
-Syntax
-:    log.startlog(filename, noparse)
+####Syntax
+log.startlog(filename, noparse)
 
-Parameters
-:    filename: log file, directories are not supported
-     noparse: 1 for lua VM doesn’t parse input, 0 for lua VM parse input
+####Parameters
 
-Returns
-:    null
+filename: log file, directories are not supported<br />
+noparse: 1 for lua VM doesn’t parse input, 0 for lua VM parse input
+
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //record log to init.lua. Call the file after system restart.
     log.format()
@@ -256,26 +262,26 @@ Example
     //At this point, the content of init.lua is “print(“hello world”)”. When system restart, print(“hello world”) are excuted.
 ```
 
-See also
-:    **-**   [log.format()](#lg_format)
-:    **-**   [log.stoplog()](#lg_stoplog)
+####See also
+**-**   [log.format()](#lg_format)<br />
+**-**   [log.stoplog()](#lg_stoplog)
 
 <a id="lg_stoplog"></a>
 ## log.stoplog()
-Description
-:    stop log.
+####Description
+stop log.
 
-Syntax
-:    log.stoplog()
+####Syntax
+log.stoplog()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //record log to init.lua. Call the file after system restart.
     log.format()
@@ -285,26 +291,26 @@ Example
     //At this point, the content of init.lua is “print(“hello world”)”. When system restart, print(“hello world”) are excuted.
 ```
 
-See also
-:    **-**   [log.format()](#lg_format)
-:    **-**   [log.startlog()](#lg_startlog)
+####See also
+**-**   [log.format()](#lg_format)<br />
+**-**   [log.startlog()](#lg_startlog)
 
 <a id="lg_open"></a>
 ## log.open()
-Description
-:    open the log file
+####Description
+open the log file
 
-Syntax
-:    log.open(filename)
+####Syntax
+log.open(filename)
 
-Parameters
-:    filename: log file, directories are not supported
+####Parameters
+filename: log file, directories are not supported
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //print the first line of 'init.lua'
     log.open(“init.lua”)
@@ -312,26 +318,26 @@ Example
     log.close()
 ```
 
-See also
-:    **-**   [log.close()](#lg_close)
-:    **-**   [log.readline()](#lg_readline)
+####See also
+**-**   [log.close()](#lg_close)<br />
+**-**   [log.readline()](#lg_readline)
 
 <a id="lg_close"></a>
 ## log.close()
-Description
-:    close the log file which opened before
+####Description
+close the log file which opened before
 
-Syntax
-:    log.close()
+####Syntax
+log.close()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //print the first line of 'init.lua'
     log.open(“init.lua”)
@@ -339,26 +345,26 @@ Example
     log.close()
 ```
 
-See also
-:    **-**   [log.open()](#lg_open)
-:    **-**   [log.readline()](#lg_readline)
+####See also
+**-**   [log.open()](#lg_open)<br />
+**-**   [log.readline()](#lg_readline)
 
 <a id="lg_readline"></a>
 ## log.readline()
-Description
-:    read log file which is opened before line by line.
+####Description
+read log file which is opened before line by line.
 
-Syntax
-:    log.readline()
+####Syntax
+log.readline()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    log file content in string
+####Returns
+log file content in string
+
+####Example
 
-Example
-:    ****
 ```
     //print the first line of 'init.lua'
     log.open(“init.lua”)
@@ -366,312 +372,310 @@ Example
     log.close()
 ```
 
-See also
-:    **-**   [log.open()](#lg_open)
-:    **-**   [log.close()](#lg_close)
+####See also
+**-**   [log.open()](#lg_open)
+**-**   [log.close()](#lg_close)
 
 <a id="lg_list"></a>
 ## log.list()
-Description
-:    list all files.
+####Description
+list all files.
 
-Syntax
-:    log.list()
+####Syntax
+log.list()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     log.list();
 ```
 
-See also
-:    **-**   [log.format()](#lg_format)
+####See also
+**-**   [log.format()](#lg_format)
 
 #wifi module
 ##CONSTANT
-:    wifi.STATION, wifi.SOFTAP, wifi.STATIONAP
+wifi.STATION, wifi.SOFTAP, wifi.STATIONAP
 
 <a id="wf_setmode"></a>
 ## wifi.setmode(mode)
-Description
-:    set wifi working mode.
+####Description
+set wifi working mode.
 
-Syntax
-:    wifi.setmode(mode)
+####Syntax
+wifi.setmode(mode)
 
-Parameters
-:    mode: value should be: wifi. STATION, wifi.SOFTAP or wifi.STATIONAP
+####Parameters
+mode: value should be: wifi. STATION, wifi.SOFTAP or wifi.STATIONAP
 
-Returns
-:    current mode after setup
+####Returns
+current mode after setup
+
+####Example
 
-Example
-:    ****
 ```
     wifi.setmode(wifi.STATION)
 ```
 
-See also
-:    **-**   [wifi.getmode()](#wf_getmode)
+####See also
+**-**   [wifi.getmode()](#wf_getmode)
 
 
 <a id="wf_getmode"></a>
 ## wifi.getmode(mode)
-Description
-:    get wifi working mode.
+####Description
+get wifi working mode.
 
-Syntax
-:    wifi.getmode()
+####Syntax
+wifi.getmode()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    wifi working mode
+####Returns
+wifi working mode
+
+####Example
 
-Example
-:    ****
 ```
     print(wifi.getmode())
 ```
 
-See also
-:    **-**   [wifi.setmode()](#wf_setmode)
+####See also
+**-**   [wifi.setmode()](#wf_setmode)
 
 
 <a id="wf_startsmart"></a>
 ## wifi.startsmart()
-Description
-:    starts to auto configuration，if success set up ssid and pwd automatically .
+####Description
+starts to auto configuration，if success set up ssid and pwd automatically .
 
-Syntax
-:    wifi.startsmart(channel, function succeed_callback())
+####Syntax
+wifi.startsmart(channel, function succeed_callback())
 
-Parameters
-:    channel: 1~13，startup channel for searching, if null, default to 6.  20 seconds for each channel.
-     succeed_callback: callback function for success configuration, which is called after getting the password and the connection to AP.
+####Parameters
 
-Returns
-:    null
+channel: 1~13，startup channel for searching, if null, default to 6.  20 seconds for each channel.<br />
+succeed_callback: callback function for success configuration, which is called after getting the password and the connection to AP.
+
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     wifi.startsmart(6, cb())
 ```
 
-See also
-:    **-**   [wifi.stopsmart()](#wf_stopsmart)
+####See also
+**-**   [wifi.stopsmart()](#wf_stopsmart)
 
 
 <a id="wf_stopsmart"></a>
 ## wifi.stopsmart()
-Description
-:    stop the configuring process.
+####Description
+stop the configuring process.
 
-Syntax
-:    wifi.stopsmart()
+####Syntax
+wifi.stopsmart()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     wifi.stopsmart()
 ```
 
-See also
-:    **-**   [wifi.startsmart()](#wf_startsmart)
+####See also
+**-**   [wifi.startsmart()](#wf_startsmart)
 
 
 #wifi.sta module
 
 <a id="ws_config"></a>
 ## wifi.sta.config()
-Description
-:    set ssid and password in station mode.
+####Description
+set ssid and password in station mode.
 
-Syntax
-:    wifi.sta.config(ssid, password)
+####Syntax
+wifi.sta.config(ssid, password)
 
-Parameters
-:    ssid: string which is less than 32 bytes.
-     password: string which is less than 64 bytes.
+####Parameters
 
+ssid: string which is less than 32 bytes.<br />
+password: string which is less than 64 bytes.
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     wifi.sta.config("myssid","mypassword")
 ```
 
-See also
-:    **-**   [wifi.sta.connect()](#ws_connect)
-
-:    **-**   [wifi.sta.disconnect()](#ws_disconnect)
+####See also
+**-**   [wifi.sta.connect()](#ws_connect)<br />
+**-**   [wifi.sta.disconnect()](#ws_disconnect)
 
 
 <a id="ws_connect"></a>
 ## wifi.sta.connect()
-Description
-:    connect to AP in station mode.
+####Description
+connect to AP in station mode.
 
-Syntax
-:    wifi.sta.connect()
+####Syntax
+wifi.sta.connect()
 
-Parameters
-:    null
+####Parameters
+null
 
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     wifi.sta.connect()
 ```
 
-See also
-:    **-**   [wifi.sta.disconnect()](#ws_disconnect)
-
-:    **-**   [wifi.sta.config()](#ws_config)
+####See also
+**-**   [wifi.sta.disconnect()](#ws_disconnect)<br />
+**-**   [wifi.sta.config()](#ws_config)
 
 
 <a id="ws_disconnect"></a>
 ## wifi.sta.disconnect()
-Description
-:    disconnect from AP in station mode.
+####Description
+disconnect from AP in station mode.
 
-Syntax
-:    wifi.sta.disconnect()
+####Syntax
+wifi.sta.disconnect()
 
-Parameters
-:    null
+####Parameters
+null
 
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     wifi.sta.disconnect()
 ```
 
-See also
-:    **-**   [wifi.sta..config()](#ws_config)
-
-:    **-**   [wifi.sta.connect()](#ws_connect)
+####See also
+**-**   [wifi.sta..config()](#ws_config)<br />
+**-**   [wifi.sta.connect()](#ws_connect)
 
 
 <a id="ws_autoconnect"></a>
 ## wifi.sta.autoconnect()
-Description
-:    auto connect to AP in station mode.
+####Description
+auto connect to AP in station mode.
 
-Syntax
-:    wifi.sta.autoconnect(auto)
+####Syntax
+wifi.sta.autoconnect(auto)
 
-Parameters
-:    auto: 0 for disable auto connecting. 1 for enable auto connecting
+####Parameters
+auto: 0 for disable auto connecting. 1 for enable auto connecting
 
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     wifi.sta.autoconnect()
 ```
 
-See also
-:    **-**   [wifi.sta..config()](#ws_config)
-
-:    **-**   [wifi.sta.connect()](#ws_connect)
-
-:    **-**   [wifi.sta.disconnect()](#ws_disconnect)
+####See also
+**-**   [wifi.sta..config()](#ws_config)<br />
+**-**   [wifi.sta.connect()](#ws_connect)<br />
+**-**   [wifi.sta.disconnect()](#ws_disconnect)
 
 
 <a id="ws_getip"></a>
 ## wifi.sta.getip()
-Description
-:    get ip address in station mode.
+####Description
+get ip address in station mode.
 
-Syntax
-:    wifi.sta.getip()
+####Syntax
+wifi.sta.getip()
 
-Parameters
-:    null
+####Parameters
+null
 
 
-Returns
-:    ip address in string, for example:"192.168.0.111"
+####Returns
+ip address in string, for example:"192.168.0.111"
+
+####Example
 
-Example
-:    ****
 ```
     //print current ip
     print(wifi.sta.getip())
 ```
 
-See also
-:    **-**   [wifi.sta..getmac()](#ws_getmac)
+####See also
+**-**   [wifi.sta..getmac()](#ws_getmac)
 
 
 <a id="ws_getmac"></a>
 ## wifi.sta.getmac()
-Description
-:    get mac address in station mode.
+####Description
+get mac address in station mode.
 
-Syntax
-:    wifi.sta.getmac()
+####Syntax
+wifi.sta.getmac()
 
-Parameters
-:    null
+####Parameters
+null
 
 
-Returns
-:    mac address in string, for example:"18-33-44-FE-55-BB"
+####Returns
+mac address in string, for example:"18-33-44-FE-55-BB"
+
+####Example
 
-Example
-:    ****
 ```
     //print current mac address
     print(wifi.sta.getmac())
 ```
 
-See also
-:    **-**   [wifi.sta..getip()](#ws_getip)
+####See also
+**-**   [wifi.sta..getip()](#ws_getip)
 
 
 #wifi.ap module
 
 <a id="wa_config"></a>
 ## wifi.ap.config()
-Description
-:    set ssid and password in ap mode.
+####Description
+set ssid and password in ap mode.
 
-Syntax
-:    wifi.ap.config(cfg)
+####Syntax
+wifi.ap.config(cfg)
+
+####Parameters
+cfg: lua table for setup ap.
+
+####Example:
 
-Parameters
-:    cfg: lua table for setup ap.
-:    Example:
 ```
      cfg={}
      cfg.ssid="myssid"
@@ -679,161 +683,162 @@ Parameters
      wifi.ap.setconfig(cfg)
 ```
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     wifi.ap.config(ssid, 'password')
 ```
 
-See also
-:    <>
+####See also
+**-**    []<>
 
 <a id="wa_getip"></a>
 ## wifi.ap.getip()
-Description
-:    get ip in ap mode.
+####Description
+get ip in ap mode.
 
-Syntax
-:    wifi.ap.getip()
+####Syntax
+wifi.ap.getip()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    ip address in string, for example:"192.168.0.111"
+####Returns
+ip address in string, for example:"192.168.0.111"
+
+####Example
 
-Example
-:    ****
 ```
     wifi.ap.getip()
 ```
 
-See also
-:    **-**   [wifi.ap..getmac()](#wa_getmac)
+####See also
+**-**   [wifi.ap..getmac()](#wa_getmac)
 
 
 <a id="wa_getmac"></a>
 ## wifi.ap.getmac()
-Description
-:    get mac address in ap mode.
+####Description
+get mac address in ap mode.
 
-Syntax
-:    wifi.ap.getmac()
+####Syntax
+wifi.ap.getmac()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    mac address in string, for example:"1A-33-44-FE-55-BB"
+####Returns
+mac address in string, for example:"1A-33-44-FE-55-BB"
+
+####Example
 
-Example
-:    ****
 ```
     wifi.ap.getmac()
 ```
 
-See also
-:    **-**   [wifi.ap.getip()](#wa_getip)
+####See also
+**-**   [wifi.ap.getip()](#wa_getip)
 
 
 #timer module
 <a id="tm_delay"></a>
 ## tmr.delay()
-Description
-:    delay us micro seconds.
+####Description
+delay us micro seconds.
 
-Syntax
-:    tmr.dealy(us)
+####Syntax
+tmr.dealy(us)
 
-Parameters
-:    us: delay time in micro second
+####Parameters
+us: delay time in micro second
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //delay 100us
     tmr.delay(100)
 ```
 
-See also
-:    **-**   [tmr.now()](#tm_now)
+####See also
+**-**   [tmr.now()](#tm_now)
 
 
 <a id="tm_now"></a>
 ## tmr.now()
-Description
-:    return the current value of system counter: uint32, loopback, us.
+####Description
+return the current value of system counter: uint32, loopback, us.
 
-Syntax
-:    tmr.now()
+####Syntax
+tmr.now()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    uint32: value of counter
+####Returns
+uint32: value of counter
+
+####Example
 
-Example
-:    ****
 ```
     //print current value of counter
     print(tmr.now())
 ```
 
-See also
-:    **-**   [tmr.delay()](#tm_delay)
+####See also
+**-**   [tmr.delay()](#tm_delay)
 
 
 <a id="tm_alarm"></a>
 ## tmr.alarm()
-Description
-:    alarm time.
+####Description
+alarm time.
 
-Syntax
-:    tmr.alarm(interval, repeat, function do())
+####Syntax
+tmr.alarm(interval, repeat, function do())
 
-Parameters
-:    Interval: alarm time, unit: millisecond;
-     repeat: 0 for one time alarm, 1 for repeat;
-     function do(): callback function for alarm timed out.
+####Parameters
+Interval: alarm time, unit: millisecond<br />
+repeat: 0 for one time alarm, 1 for repeat<br />
+function do(): callback function for alarm timed out
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //print "hello world" every 1000ms
     tmr.alarm(1000, 1, function() print(“hello world”) end )
 ```
 
-See also
-:    **-**   [tmr.now()](#tm_now)
+####See also
+**-**   [tmr.now()](#tm_now)
 
 
 <a id="tm_stop"></a>
 ## tmr.stop()
-Description
-:    stop alarm.
-:    Note: only one alarm is allowed, the previous one would be replaced if tmr.alarm() again before tmr.stop().
+####Description
 
-Syntax
-:    tmr.stop()
+stop alarm.<br />
+**-Note:** only one alarm is allowed, the previous one would be replaced if tmr.alarm() again before tmr.stop().
 
-Parameters
-:    null.
+####Syntax
+tmr.stop()
 
-Returns
-:    null
+####Parameters
+null.
+
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //print "hello world" every 1000ms
     tmr.alarm(1000, 1, function() print(“hello world”) end )
@@ -844,84 +849,84 @@ Example
     tmr.stop()
 ```
 
-See also
-:    **-**   [tmr.now()](#tm_now)
+####See also
+**-**   [tmr.now()](#tm_now)
 
 
 #GPIO module
 ##CONSTANT
-:    gpio.OUTPUT, gpio.INPUT, gpio.INT, gpio.HIGH, gpio.LOW
+gpio.OUTPUT, gpio.INPUT, gpio.INT, gpio.HIGH, gpio.LOW
 
 
 <a id="io_mode"></a>
 ## gpio.mode()
-Description
-:    initialize pin to GPIO mode, set the pin in/out mode.
+####Description
+initialize pin to GPIO mode, set the pin in/out mode.
 
-Syntax
-:    gpio.mode(pin, mode)
+####Syntax
+gpio.mode(pin, mode)
 
-Parameters
-:    pin: 0~11，IO index
-     mode: gpio.OUTPUT or gpio.INPUT, or gpio.INT(interrupt mode)
+####Parameters
+pin: 0~11，IO index<br />
+mode: gpio.OUTPUT or gpio.INPUT, or gpio.INT(interrupt mode)
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //set gpio 0 as output.
     gpio.mode(0, gpio.OUTPUT)
 
 ```
 
-See also
-:    **-**   [gpio.read()](#io_read)
+####See also
+**-**   [gpio.read()](#io_read)
 
 
 <a id="io_read"></a>
 ## gpio.read()
-Description
-:    read pin value.
+####Description
+read pin value.
 
-Syntax
-:    gpio.read(pin)
+####Syntax
+gpio.read(pin)
 
-Parameters
-:    pin: 0~11，IO index
+####Parameters
+pin: 0~11，IO index
 
-Returns
-:    number:0 for low, 1 for high
+####Returns
+number:0 for low, 1 for high
+
+####Example
 
-Example
-:    ****
 ```
     //read value of gpio 0.
     gpio.read(0)
 ```
 
-See also
-:    **-**   [gpio.mode()](#io_mode)
+####See also
+**-**   [gpio.mode()](#io_mode)
 
 
 <a id="io_write"></a>
 ## gpio.write()
-Description
-:    set pin value.
+####Description
+set pin value.
 
-Syntax
-:    gpio.write(pin)
+####Syntax
+gpio.write(pin)
 
-Parameters
-:    pin: 0~11，IO index
-:    level: gpio.HIGH or gpio.LOW
+####Parameters
+pin: 0~11，IO index<br />
+level: gpio.HIGH or gpio.LOW
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //set pin index 1 to GPIO mode, and set the pin to high.
     pin=1
@@ -929,31 +934,29 @@ Example
     gpio.write(pin, gpio.HIGH)
 ```
 
-See also
-:    **-**   [gpio.mode()](#io_mode)
-
-:    **-**   [gpio.read()](#io_read)
+####See also
+**-**   [gpio.mode()](#io_mode)<br />
+**-**   [gpio.read()](#io_read)
 
 
 <a id="io_trig"></a>
 ## gpio.trig()
-Description
-:    set the interrupt callback function for pin.
+####Description
+set the interrupt callback function for pin.
 
-Syntax
-:    gpio.trig(pin, type, function(level))
+####Syntax
+gpio.trig(pin, type, function(level))
 
-Parameters
-:    pin: 0~11，IO index
-     type: ”up”, “down”, “both”, “low”, “high”, which represent rising edge, falling edge, both edge, low level, high level trig mode separately.
-     function(level): callback function when triggered. The gpio level is the param.
-     Use previous callback function if undefined here.
+####Parameters
+pin: 0~11，IO index<br />
+type: ”up”, “down”, “both”, “low”, “high”, which represent rising edge, falling edge, both edge, low level, high level trig mode separately.<br />
+function(level): callback function when triggered. The gpio level is the param. Use previous callback function if undefined here.
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //use pin 0 as the input pulse width counter
     pulse0 = 0
@@ -969,203 +972,203 @@ Example
 
 ```
 
-See also
-:    **-**   [gpio.mode()](#io_mode)
-
-:    **-**   [gpio.write()](#io_write)
+####See also
+**-**   [gpio.mode()](#io_mode)<br />
+**-**   [gpio.write()](#io_write)
 
 
 #PWM module
 <a id="pw_setup"></a>
 ## pwm.setup()
-Description
-:    set pin to PWM mode. Only 3 pins can be set to PWM mode at the most.
+####Description
+set pin to PWM mode. Only 3 pins can be set to PWM mode at the most.
 
-Syntax
-:    pwm.setup(pin, clock, duty)
+####Syntax
+pwm.setup(pin, clock, duty)
 
-Parameters
-:    pin: 0~11，IO index
-     clock: 1~500，pwm frequency
-     duty: 0~100，pwm duty cycle in percentage
+####Parameters
+pin: 0~11，IO index<br />
+clock: 1~500，pwm frequency<br />
+duty: 0~100，pwm duty cycle in percentage
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //set pin index 0 as pwm output, frequency is 100Hz, duty cycle is 50-50..
     pwm.setup(0, 100, 50)
 ```
 
-See also
-:    **-**   [pwm.start()](#pw_start)
+####See also
+**-**   [pwm.start()](#pw_start)
 
 
 <a id="pw_close"></a>
 ## pwm.close()
-Description
-:    quit PWM mode for specified pin.
+####Description
+quit PWM mode for specified pin.
 
-Syntax
-:    pwm.close(pin)
+####Syntax
+pwm.close(pin)
 
-Parameters
-:    pin: 0~11，IO index
+####Parameters
+pin: 0~11，IO index
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     pwm.close(0)
 ```
 
-See also
-:    **-**   [pwm.start()](#pw_start)
+####See also
+**-**   [pwm.start()](#pw_start)
 
 
 <a id="pw_start"></a>
 ## pwm.start()
-Description
-:    pwm starts, you can detect the waveform on the gpio.
+####Description
+pwm starts, you can detect the waveform on the gpio.
 
-Syntax
-:    pwm.start(pin)
+####Syntax
+pwm.start(pin)
 
-Parameters
-:    pin: 0~11，IO index
+####Parameters
+pin: 0~11，IO index
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     pwm.start(0)
 ```
 
-See also
-:    **-**   [pwm.stop()](#pw_stop)
+####See also
+**-**   [pwm.stop()](#pw_stop)
 
 
 <a id="pw_stop"></a>
 ## pwm.stop()
-Description
-:    pause the output of PWM waveform.
+####Description
+pause the output of PWM waveform.
 
-Syntax
-:    pwm.stop(pin)
+####Syntax
+pwm.stop(pin)
 
-Parameters
-:    pin: 0~11，IO index
+####Parameters
+pin: 0~11，IO index
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     pwm.stop(0)
 ```
 
-See also
-:    **-**   [pwm.start()](#pw_start)
+####See also
+**-**   [pwm.start()](#pw_start)
 
 
 <a id="pw_setclock"></a>
 ## pwm.setclock()
-Description
-:    set pwm frequency for pin.
-:    Note: setup pwm frequency will synchronously change others if there are any. Only one PWM frequency can be allowed for the system.
+####Description
 
-Syntax
-:    pwm.setclock(pin, clock)
+set pwm frequency for pin.<br />
+**-Note:** setup pwm frequency will synchronously change others if there are any. Only one PWM frequency can be allowed for the system.
 
-Parameters
-:    pin: 0~11，IO index.
-     clock: 1~500, pwm frequency.
+####Syntax
+pwm.setclock(pin, clock)
 
-Returns
-:    null
+####Parameters
+pin: 0~11，IO index.<br />
+clock: 1~500, pwm frequency.
+
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     pwm.setclock(0, 100)
 ```
 
-See also
-:    **-**   [pwm.getclock()](#pw_getclock)
+####See also
+**-**   [pwm.getclock()](#pw_getclock)
 
 
 <a id="pw_getclock"></a>
 ## pwm.getclock()
-Description
-:    get pwm frequency of pin.
+####Description
+get pwm frequency of pin.
 
-Syntax
-:    pwm.getclock(pin)
+####Syntax
+pwm.getclock(pin)
 
-Parameters
-:    pin: 0~11，IO index.
+####Parameters
+pin: 0~11，IO index.
 
-Returns
-:    number:pwm frequency of pin
+####Returns
+number:pwm frequency of pin
+
+####Example
 
-Example
-:    ****
 ```
     print(pwm.getclock(0))
 ```
 
-See also
-:    **-**   [pwm.setclock()](#pw_setclock)
+####See also
+**-**   [pwm.setclock()](#pw_setclock)
 
 
 <a id="pw_setduty"></a>
 ## pwm.setduty()
-Description
-:    set duty clycle for pin.
+####Description
+set duty clycle for pin.
 
-Syntax
-:    pwm.setduty(pin, duty)
+####Syntax
+pwm.setduty(pin, duty)
 
-Parameters
-:    pin: 0~11，IO index
-:    duty: 0~100，pwm duty cycle in percentage
+####Parameters
+pin: 0~11，IO index<br />
+duty: 0~100，pwm duty cycle in percentage
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     pwm.setduty(0, 50)
 ```
 
-See also
-:    **-**   [pwm.getduty()](#pw_getduty)
+####See also
+**-**   [pwm.getduty()](#pw_getduty)
 
 
 <a id="pw_getduty"></a>
 ## pwm.getduty()
-Description
-:    get duty clycle for pin.
+####Description
+get duty clycle for pin.
 
-Syntax
-:    pwm.getduty(pin)
+####Syntax
+pwm.getduty(pin)
 
-Parameters
-:    pin: 0~11，IO index
+####Parameters
+pin: 0~11，IO index
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //D0 is connected to green led
     //D1 is connected to blue led
@@ -1186,83 +1189,83 @@ Example
 
 ```
 
-See also
-:    **-**   [pwm.setduty()](#pw_setduty)
+####See also
+**-**   [pwm.setduty()](#pw_setduty)
 
 
 #net module
 ##CONSTANT
-:    net.TCP, net.UDP
+net.TCP, net.UDP
 
 <a id="nt_createServer"></a>
 ## net.createServer()
-Description
-:    create a server.
+####Description
+create a server.
 
-Syntax
-:    net.createServer(type, secure)
+####Syntax
+net.createServer(type, secure)
 
-Parameters
-:    type: net.TCP or net.UDP
-     secure: true or false, true for safe link, false for ordinary link
+####Parameters
+type: net.TCP or net.UDP<br />
+secure: true or false, true for safe link, false for ordinary link
 
-Returns
-:    net.server sub module
+####Returns
+net.server sub module
+
+####Example
 
-Example
-:    ****
 ```
     net.createServer(net.TCP, true)
 ```
 
-See also
-:    **-**   [net.createConnection()](#nt_createConnection)
+####See also
+**-**   [net.createConnection()](#nt_createConnection)
 
 
 <a id="nt_createConnection"></a>
 ## net.createConnection()
-Description
-:    create a client.
+####Description
+create a client.
 
-Syntax
-:    net.createConnection(type, secure)
+####Syntax
+net.createConnection(type, secure)
 
-Parameters
-:    type: net.TCP or net.UDP
-     secure: true or false, true for safe link, false for ordinary link
+####Parameters
+type: net.TCP or net.UDP<br />
+secure: true or false, true for safe link, false for ordinary link
 
-Returns
-:    net.server sub module
+####Returns
+net.server sub module
+
+####Example
 
-Example
-:    ****
 ```
     net.createConnection(net.UDP, false)
 ```
 
-See also
-:    **-**   [net.createServer()](#nt_createServer)
+####See also
+**-**   [net.createServer()](#nt_createServer)
 
 
 #net.server module
 <a id="ns_listen"></a>
 ## listen()
-Description
-:    listen on port from [ip] address.
+####Description
+listen on port from [ip] address.
 
-Syntax
-:    net.server.listen(port,[ip],function(net.socket))
+####Syntax
+net.server.listen(port,[ip],function(net.socket))
 
-Parameters
-:    port: port number
-     ip:ip address string, can be omitted
-     function(net.socket): callback function, pass to Caller function as param if a connection is created successfully
+####Parameters
+port: port number<br />
+ip:ip address string, can be omitted<br />
+function(net.socket): callback function, pass to Caller function as param if a connection is created successfully
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //create a server
     sv=net.createServer(net.TCP, false)
@@ -1273,26 +1276,26 @@ Example
     	end)
 ```
 
-See also
-:    **-**   [net.createServer()](#nt_createServer)
+####See also
+**-**   [net.createServer()](#nt_createServer)
 
 
 <a id="ns_close"></a>
 ## close()
-Description
-:    close server.
+####Description
+close server.
 
-Syntax
-:    net.server.close()
+####Syntax
+net.server.close()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     //create a server
     sv=net.createServer(net.TCP, false)
@@ -1300,67 +1303,67 @@ Example
     sv:close()
 ```
 
-See also
-:    **-**   [net.createServer()](#nt_createServer)
+####See also
+**-**   [net.createServer()](#nt_createServer)
 
 
 #net.socket module
 <a id="nk_connect"></a>
 ## connect()
-Description
-:    connect to remote.
+####Description
+connect to remote.
 
-Syntax
-:    connect(port, ip)
+####Syntax
+connect(port, ip)
 
-Parameters
-:    port: port number
-     ip: ip address in string
+####Parameters
+port: port number<br />
+ip: ip address in string
 
-Returns
-:    null
+####Returns
+null
 
-See also
-:    **-**   [net.socket:on()](#nk_on)
+####See also
+**-**   [net.socket:on()](#nk_on)
 
 
 <a id="nk_send"></a>
 ## send()
-Description
-:    send data to remote via connection.
+####Description
+send data to remote via connection.
 
-Syntax
-:    send(string, function(sent))
+####Syntax
+send(string, function(sent))
 
-Parameters
-:    string: data in string which will be sent to remote
-     function(sent): callback function for sending string
+####Parameters
+string: data in string which will be sent to remote<br />
+function(sent): callback function for sending string
 
-Returns
-:    null
+####Returns
+null
 
-See also
-:    **-**   [net.socket:on()](#nk_on)
+####See also
+**-**   [net.socket:on()](#nk_on)
 
 
 <a id="nk_on"></a>
 ## on()
-Description
-:    register callback function for event.
+####Description
+register callback function for event.
 
-Syntax
-:    on(event, function cb())
+####Syntax
+on(event, function cb())
 
-Parameters
-:    event: string, which can be: "connection"，"reconnection"，"disconnection"，"receive"，"sent"
-     function cb(net.socket, [string]): callback function. The first param is the socket.
-     If  event is”receive”， the second param is received data in string.
+####Parameters
+event: string, which can be: "connection"，"reconnection"，"disconnection"，"receive"，"sent"<br />
+function cb(net.socket, [string]): callback function. The first param is the socket.<br />
+If  event is”receive”， the second param is received data in string.
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     sk=net.createConnection(net.TCP, false)
     sk:on("receive", function(sck, c) print(c) end )
@@ -1368,169 +1371,169 @@ Example
     sk:send("GET / HTTP/1.1\r\nHost: 192.168.0.66\r\nConnection: keep-alive\r\nAccept: */*\r\n\r\n")
 ```
 
-See also
-:    **-**   [net.createServer()](#nt_createServer)
+####See also
+**-**   [net.createServer()](#nt_createServer)
 
 
 <a id="nk_close"></a>
 ## close()
-Description
-:    close socket.
+####Description
+close socket.
 
-Syntax
-:    close()
+####Syntax
+close()
 
-Parameters
-:    null
+####Parameters
+null
 
-Returns
-:    null
+####Returns
+null
 
-See also
-:    **-**   [net.createServer()](#nt_createServer)
+####See also
+**-**   [net.createServer()](#nt_createServer)
 
 
 <a id="nk_dns"></a>
 ## dns()
-Description
-:    get domain ip
+####Description
+get domain ip
 
-Syntax
-:    dns(domain, function(net.socket, ip))
+####Syntax
+dns(domain, function(net.socket, ip))
 
-Parameters
-:    domain: domain name.
-     function (net.socket, ip): callback function. The first param is the socket, the second param is the ip address in string.
+####Parameters
+domain: domain name.<br />
+function (net.socket, ip): callback function. The first param is the socket, the second param is the ip address in string.
 
-Returns
-:    null
+####Returns
+null
 
-See also
-:    **-**   [net.createServer()](#nt_createServer)
+####See also
+**-**   [net.createServer()](#nt_createServer)
 
 
 #i2c module
 ##CONSTANT
-:     i2c.SLOW,  i2c.TRANSMITTER, i2c. RECEIVER.  FAST（400k）is not supported for now.
+i2c.SLOW,  i2c.TRANSMITTER, i2c. RECEIVER.  FAST（400k）is not supported for now.
 
 <a id="ic_setup"></a>
 ## i2c.setup()
-Description
-:    initialize i2c.
+####Description
+initialize i2c.
 
-Syntax
-:    i2c.setup(id, pinSDA, pinSCL, speed)
+####Syntax
+i2c.setup(id, pinSDA, pinSCL, speed)
 
-Parameters
-:    id = 0
-     pinSDA: 0~11，IO index
-     pinSCL: 0~11，IO index
-     speed:  i2c.SLOW
+####Parameters
+id = 0<br />
+pinSDA: 0~11，IO index<br />
+pinSCL: 0~11，IO index<br />
+speed:  i2c.SLOW
 
-Returns
-:    null
+####Returns
+null
 
-See also
-:    **-**   [i2c.read()](#ic_read)
+####See also
+**-**   [i2c.read()](#ic_read)
 
 
 <a id="ic_start"></a>
 ## i2c.start()
-Description
-:    start i2c transporting.
+####Description
+start i2c transporting.
 
-Syntax
-:    i2c.start(id)
+####Syntax
+i2c.start(id)
 
-Parameters
-:    id = 0
+####Parameters
+id = 0
 
-Returns
-:    null
+####Returns
+null
 
-See also
-:    **-**   [i2c.read()](#ic_read)
+####See also
+**-**   [i2c.read()](#ic_read)
 
 
 <a id="ic_stop"></a>
 ## i2c.stop()
-Description
-:    stop i2c transporting.
+####Description
+stop i2c transporting.
 
-Syntax
-:    i2c.stop(id)
+####Syntax
+i2c.stop(id)
 
-Parameters
-:    id = 0
+####Parameters
+id = 0
 
-Returns
-:    null
+####Returns
+null
 
-See also
-:    **-**   [i2c.read()](#ic_read)
+####See also
+**-**   [i2c.read()](#ic_read)
 
 
 <a id="ic_address"></a>
 ## i2c.address()
-Description
-:    setup i2c address and read/write mode.
+####Description
+setup i2c address and read/write mode.
 
-Syntax
-:    i2c.address(id, device_addr, direction)
+####Syntax
+i2c.address(id, device_addr, direction)
 
-Parameters
-:    id=0
-     device_addr: device address.
-     direction: i2c.TRANSMITTER for writing mode , i2c. RECEIVER for reading mode
+####Parameters
+id=0<br />
+device_addr: device address.<br />
+direction: i2c.TRANSMITTER for writing mode , i2c. RECEIVER for reading mode
 
-Returns
-:    null
+####Returns
+null
 
-See also
-:    **-**   [i2c.read()](#ic_read)
+####See also
+**-**   [i2c.read()](#ic_read)
 
 <a id="ic_write"></a>
 ## i2c.write()
-Description
-:    write data to i2c, data can be multi numbers, string or lua table.
+####Description
+write data to i2c, data can be multi numbers, string or lua table.
 
-Syntax
-:    i2c.write(id, data1, data2,...)
+####Syntax
+i2c.write(id, data1, data2,...)
 
-Parameters
-:    id=0
-     data: data can be numbers, string or lua table.
+####Parameters
+id=0<br />
+data: data can be numbers, string or lua table.
 
-Returns
-:    null
+####Returns
+null
+
+####Example
 
-Example
-:    ****
 ```
     i2c.write(0, "hello", "world")
 ```
 
-See also
-:    **-**   [i2c.read()](#ic_read)
+####See also
+**-**   [i2c.read()](#ic_read)
 
 
-<a id="ic_read"></a></a>
+<a id="ic_read"></a>
 ## i2c.read()
-Description
-:    read data for len bytes.
+####Description
+read data for len bytes.
 
-Syntax
-:    i2c.read(id, len)
+####Syntax
+i2c.read(id, len)
 
-Parameters
-:    id=0
-     len: data length
+####Parameters
+id=0<br />
+len: data length
 
-Returns
-:    string:data received.
+####Returns
+string:data received.
+
+####Example
 
-Example
-:    ****
 ```
     id=0
     sda=1
@@ -1558,6 +1561,6 @@ Example
 
 ```
 
-See also
-:    **-**   [i2c.write()](#ic_write)
+####See also
+**-**   [i2c.write()](#ic_write)