diff --git a/README.md b/README.md
index 250807f..4675cdf 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![sites](http://182.61.61.133/link/resources/SoC.png)](http://www.SoC.Xin)
 
-* [ST](https://www.st.com/zh/): [Cortex-M0+](https://github.com/SoCXin/Cortex)
+* [ST](https://www.st.com/zh/): [Cortex-M0+](https://github.com/SoCXin/Cortex) 90 nm
 * [L3R3](https://github.com/SoCXin/Level): 64 MHz (59 DMIPS, 142 CoreMark)
 
 ## [简介](https://github.com/SoCXin/STM32G030/wiki)
@@ -11,16 +11,19 @@
 
 ### 关键特性
 
-* 精确的内部时钟
-* 12bit ADC（2.5 MSps）
+* 64 MHz Cortex-M0+, 59 DMIPS
+* 1x 12bit 16ch SAR ADC (2.5 MSPS)
 * 5ch x DMA
+* 1KB OTP
+* RTC
+* I2S
 
 ### [资源收录](https://github.com/SoCXin)
 
 * [参考资源](src/)
 * [相关文档](docs/)
 * [典型应用](project/)
-* [入门教程](https://docs.soc.xin/STM32G030.html)
+* [Xin知识](https://docs.soc.xin/STM32G030)
 
 ### [选型建议](https://github.com/SoCXin)
 
@@ -30,21 +33,19 @@
 
 STM32G0x0超值系列的应用设计者能够随时升级到STM32G0x1（得益于完全的引脚排列兼容性）。
 
+如果[STM32G030](https://docs.soc.xin/ST/L/STM32G030.html#id14)不能解决你的问题，那就是也可以考虑用全家桶旗舰[STM32H730](https://github.com/SoCXin/STM32H730)
+
 #### 相关规格
 
-* STM32G030J:SO8N
+* STM32G030J:SO8N (4.9x6mm)
 * STM32G030F:TSSOP20
 * STM32G030K:LQFP32
 * STM32G030C:LQFP48
 
-### 验证开发板
-
-[![sites](docs/B.jpg)](https://item.taobao.com/item.htm?spm=a230r.1.14.20.340c136cE9GORW&id=615829096702&ns=1&abbucket=19#detail)
-
 #### 高可用度开源项目
 
 * [Arduino_Core_STM32](https://github.com/stm32duino/Arduino_Core_STM32)
 * [STM32CubeG0](https://github.com/STMicroelectronics/STM32CubeG0)
 * [rust API](https://github.com/stm32-rs/stm32g0xx-hal)
 
-### [探索芯世界 www.SoC.xin](http://www.SoC.Xin)
+### [探索芯世界 www.SoC.Xin](http://www.SoC.Xin)
diff --git a/docs/B.jpg b/docs/B.jpg
deleted file mode 100644
index 2f93f9a..0000000
Binary files a/docs/B.jpg and /dev/null differ
diff --git a/index.json b/index.json
index 8a9659f..7b45c79 100644
--- a/index.json
+++ b/index.json
@@ -1,8 +1,8 @@
 {
     "type":"MCU",
     "name":"STM32G030",
-    "title": "ST STM32G030 MCU",
-    "description":"ST Cortex-M0 MCU",
+    "title": "ST STM32G030",
+    "description":"Cortex-M0 MCU",
     "Core": {
         "num": 1,
         "type":"Cortex-M0",
@@ -21,7 +21,7 @@
     "version":"1.0.0",
     "series":["STM32G030"],
     "package":["SO8N","TSSOP20","LQFP32","LQFP48"],
-    "peripheral": ["ADC","USART","SPI","IIC"],
+    "peripheral": ["ADC","USART","SPI","I2C","I2S"],
     "keywords": [
         "dev-platform",
         "ARM",