diff --git a/README.md b/README.md
index fd8171d..f576170 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
     - [Download firmware](#1download-firmware)
     - [MacOS/Linux](#macoslinux)
     - [Windows](#windows)
-  - [Connect to WiFi](#2-configure-the-wifi)
+  - [Connect the WiFi](#2-configure-the-wifi)
   - [Binding device](#3-binding-device)
   - [Coding](#4-coding)
 - [Micropython API](#m5stack-micropython)
@@ -80,7 +80,7 @@ Windows can use Espressif Flash Download Tools([Download](https://www.espressif.
 
 
 
-# **M5Stack** Micropython
+# Micropython API
 
 Micropython Getting Started
 
@@ -389,16 +389,16 @@ import utime
 
 while True:
   if buttonA.wasPressed():
-    print('Button A was Pressed')
+    lcd.print('Button A was Pressed\n')
 
   if buttonA.wasReleased():
-    print('Button A was Released')
+    lcd.print('Button A was Released\n')
 
   if buttonA.pressedFor(1.5):
-    print('Button A pressed for 1.5s')
+    lcd.print('Button A pressed for 1.5s\n')
 
   if buttonA.releasedFor(2):
-    print('Button A released for 2s press hold.')
+    lcd.print('Button A released for 2s press hold\n')
     
   utime.sleep(0.1)
 ```
@@ -407,14 +407,16 @@ Callback：
 
 
 ```python
+from m5stack import *
+
 def on_wasPressed():
-  print('Button B was Pressed.')
+  lcd.print('Button B was Pressed\n')
 
 def on_wasReleased():
-  print('Button B was Released.')
+  lcd.print('Button B was Released\n')
 
 def on_releasedFor():
-  print('Button B released for 1.2s press hold.')
+  lcd.print('Button B released for 1.2s press hold\n')
   
 buttonB.wasPressed(on_wasPressed)
 buttonB.wasReleased(on_wasReleased)
@@ -442,7 +444,7 @@ from m5stack import *
 
 speaker.volume(2)
 speaker.tone(freq=1800)
-speaker.tone(freq=1800, timeout=200) # Non-blocking
+speaker.tone(freq=1800, duration=200) # Non-blocking
 ```
 
 ## **GPIO**
diff --git a/README_CN.md b/README_CN.md
index f9f626b..ebc31bd 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -1,6 +1,33 @@
 # M5Stack Web IDE
 
 [EN](README.md) | [中文](README_CN.md) | [日本語](README_JP.md)
+
+## 目录
+- [Getting Started](#Getting-Started)
+  - [Burn firmware](#1-burn-firmware)
+    - [Download firmware](#1download-firmware)
+    - [MacOS/Linux](#macoslinux)
+    - [Windows](#windows)
+  - [Connect to WiFi](#2-configure-the-wifi)
+  - [Binding device](#3-binding-device)
+  - [Coding](#4-coding)
+- [Micropython API](#m5stack-micropython)
+  - [LCD](#lcd)
+  - [Button](#button)
+  - [SD Card](#sd-card)
+  - [Speaker](#speaker)
+  - [GPIO](#gpio)
+  - [PWM](#pwm)
+  - [ADC](#adc)
+  - [DAC](#dac)
+  - [I2C](#i2c)
+  - [SPI](#spi)
+  - [UART](#uart)
+  - [Timer](#timer)
+  - [Neopixel](#neopixel)
+- [LoBo MicroPython WiKi](https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/wiki)
+- [Examples](examples)
+
 ## 快速开始
 
 ### 1. 烧录固件
@@ -67,7 +94,7 @@ Windows使用Espressif提供Flash Download Tools工具烧录([点击下载](http
 
 
 
-# **M5Stack** Micropython
+# Micropython API
 
 Micropython 快速入门
 
@@ -306,16 +333,16 @@ import utime
 
 while True:
   if buttonA.wasPressed():
-    print('Button A was Pressed')
+    lcd.print('Button A was Pressed\n')
 
   if buttonA.wasReleased():
-    print('Button A was Released')
+    lcd.print('Button A was Released\n')
 
   if buttonA.pressedFor(1.5):
-    print('Button A pressed for 1.5s')
+    lcd.print('Button A pressed for 1.5s\n')
 
   if buttonA.releasedFor(2):
-    print('Button A released for 2s press hold.')
+    lcd.print('Button A released for 2s press hold\n')
     
   utime.sleep(0.1)
 ```
@@ -324,14 +351,16 @@ Callback：
 
 
 ```python
+from m5stack import *
+
 def on_wasPressed():
-  print('Button B was Pressed.')
+  lcd.print('Button B was Pressed\n')
 
 def on_wasReleased():
-  print('Button B was Released.')
+  lcd.print('Button B was Released\n')
 
 def on_releasedFor():
-  print('Button B released for 1.2s press hold.')
+  lcd.print('Button B released for 1.2s press hold\n')
   
 buttonB.wasPressed(on_wasPressed)
 buttonB.wasReleased(on_wasReleased)
diff --git a/README_JP.md b/README_JP.md
index bf6aad1..d84ab68 100644
--- a/README_JP.md
+++ b/README_JP.md
@@ -79,7 +79,7 @@ WindowsではEspressif Flash Download Toolsが使えます([ダウンロード](
 
 
 
-# **M5Stack** Micropython
+# Micropython API
 
 MicroPython入門
 
@@ -370,17 +370,17 @@ import utime
 
 while True:
   if buttonA.wasPressed():
-    print('Button A was Pressed')
+    lcd.print('Button A was Pressed\n')
 
   if buttonA.wasReleased():
-    print('Button A was Released')
+    lcd.print('Button A was Released\n')
 
   if buttonA.pressedFor(1.5):
-    print('Button A pressed for 1.5s')
+    lcd.print('Button A pressed for 1.5s\n')
 
   if buttonA.releasedFor(2):
-    print('Button A released for 2s press hold.')
-
+    lcd.print('Button A released for 2s press hold\n')
+    
   utime.sleep(0.1)
 ```
 
@@ -388,15 +388,17 @@ while True:
 
 
 ```python
+from m5stack import *
+
 def on_wasPressed():
-  print('Button B was Pressed.')
+  lcd.print('Button B was Pressed\n')
 
 def on_wasReleased():
-  print('Button B was Released.')
+  lcd.print('Button B was Released\n')
 
 def on_releasedFor():
-  print('Button B released for 1.2s press hold.')
-
+  lcd.print('Button B released for 1.2s press hold\n')
+  
 buttonB.wasPressed(on_wasPressed)
 buttonB.wasReleased(on_wasReleased)
 buttonB.releasedFor(1.2, on_releasedFor)