diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..cd2946a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,47 @@
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# =========================
+# Operating System Files
+# =========================
+
+# OSX
+# =========================
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index 51bb16f..0000000
--- a/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2017 M5Stack
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/README.md b/README.md
index cbc4dfa..421bf4a 100644
--- a/README.md
+++ b/README.md
@@ -462,7 +462,8 @@ adc.read()
 ```python
 from machine import I2C
 
-i2c = I2C(freq=400000)          # create I2C peripheral at frequency of 400kHz
+i2c = I2C(freq=400000, sda=21, scl=22)
+                                # create I2C peripheral at frequency of 400kHz
                                 # depending on the port, extra parameters may be required
                                 # to select the peripheral and/or pins to use
 
diff --git a/README_CN.md b/README_CN.md
index e598f07..7de30fa 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -406,7 +406,7 @@ adc.read()
 ```python
 from machine import I2C
 
-i2c = I2C(freq=400000)          # create I2C peripheral at frequency of 400kHz
+i2c = I2C(freq=400000, sda=21, scl=22)          # create I2C peripheral at frequency of 400kHz
                                 # depending on the port, extra parameters may be required
                                 # to select the peripheral and/or pins to use
 
@@ -447,3 +447,15 @@ uart2.write('abc')   # write the 3 characters
 更详细文档:
 https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/wiki
 
+
+## 更新日志
+
+- v0.3.5
+  + 更新至最新 Loboris 的版本
+  + 修复 SDCard SPI 与 屏幕 SPI冲突问题
+  + I2C 模块代码重构，支持 SLAVE mode
+  + machine 支持获取 ESP32 内部温度传感器
+  + 添加 MPU9250 frozen module
+  + 重写按键驱动，支持多种按键事件的回调
+  + 将 beep 改为 speaker，tone 为非阻塞模式
+  + 优化 Web IDE 文件同步协议，使更加稳定
\ No newline at end of file
diff --git a/firmwares/m5cloud-20180302-v0.3.5.bin b/firmwares/m5cloud-20180302-v0.3.5.bin
new file mode 100644
index 0000000..8945f19
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diff --git a/firmwares/m5cloud-psram-20180302-v0.3.5.bin b/firmwares/m5cloud-psram-20180302-v0.3.5.bin
new file mode 100644
index 0000000..a9606fd
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