diff --git a/source/common/reference/doc.md b/source/common/reference/doc.md
index b970971..e6da556 100644
--- a/source/common/reference/doc.md
+++ b/source/common/reference/doc.md
@@ -8,4 +8,6 @@
* [技嘉 GA-AB350N-Gaming WiFi 主板](https://www.gigabyte.cn/Motherboard/GA-AB350N-Gaming-WIFI-rev-10)
+* [华擎 DeskMini A300 准系统](https://www.asrock.com/nettop/AMD/DeskMini%20A300%20Series/index.cn.asp)
+
* [AMD Ryzen 3 2200G CPU](https://www.amd.com/zh-hans/support/apu/amd-ryzen-processors/amd-ryzen-3-desktop-processors-radeon-vega-graphics/amd-ryzen-3-0)
diff --git a/source/version_two/introduction/tech_specs/doc.md b/source/version_two/introduction/tech_specs/doc.md
index aab9166..3e93d0a 100644
--- a/source/version_two/introduction/tech_specs/doc.md
+++ b/source/version_two/introduction/tech_specs/doc.md
@@ -1,14 +1,15 @@
# 规格参数
-* Autolabor PC
+* Autolabor PC
| 项目 | 规格 |
| ------------------- | --------------- |
-| CPU | AMD Ryzen3 2200G |
-| 主板 | 技嘉 GA-AB350N-Gaming WIFI|
-| 内存 | 威刚 万紫千红 DDR4 4GB |
-| 硬盘 | 威刚 SP580 120GB |
-| 电源 | 立人 LR1108 (150W) |
+| CPU | AMD® Ryzen3 2200G |
+| 芯片组 | AMD® A300 |
+| RAM | DDR4 4GB |
+| ROM | NVMe 120GB |
+| Wi-Fi / BT | 支持 |
+| 扩展接口 | 参见[接口图片](#interface) |
* CPU (AMD Ryzen3 2200G 1)
@@ -27,8 +28,8 @@
| 项目 | 规格 |
| ------------------- | --------------- |
-| 输入电压 | DC 18-36V |
-| 输出电压 | DC 12v |
+| 电池容量 | 10AH @ 24V |
+| 输出电压 | DC 12V |
| 输出电流 | 20A |
| 纹波电压 | < 100mV |
@@ -81,7 +82,9 @@
| | 外部:USB供电 |
| 尺寸 | 55 x 55 x 33 mm(含天线:55 x 55 x 65 mm)|
+
+![](imgs/interface_horizontal.png)
1 附CPU性能天梯图供参考:https://www.mydrivers.com/zhuanti/tianti/cpu/index.html
diff --git a/source/version_two/introduction/tech_specs/imgs/interface_horizontal.png b/source/version_two/introduction/tech_specs/imgs/interface_horizontal.png
new file mode 100644
index 0000000..234d267
Binary files /dev/null and b/source/version_two/introduction/tech_specs/imgs/interface_horizontal.png differ