diff --git a/source/common/install_os/doc.md b/source/common/install_os/doc.md
index 7f080c8..d47ad66 100644
--- a/source/common/install_os/doc.md
+++ b/source/common/install_os/doc.md
@@ -10,11 +10,20 @@
## 开始
+* 新版Mini电脑请参考:
+
![](imgs/install_os.gif)
+* 旧版Mini电脑请参考:
+
+![](imgs/install_os_untill_2019_12_25.gif)
## 常见问题
+* “启动选项中找不到教程中提到的设备?”
+
+ 由于生产批次不同,您看到的启动优盘名称可能有差异,一般会是以下几种: “Generic Mass-Storage 1.11” 、 “HP v285w 1100” 、 “USB DISK 2.0 PMAP”
+
* “我可以把 Autolabor OS 安装到其他硬件平台吗?”
原则上,Autolabor OS 兼容市面所有 X86/AMD64 架构硬件平台,但我们无法保证其可用性。
diff --git a/source/common/install_os/imgs/install_os.gif b/source/common/install_os/imgs/install_os.gif
index 91fdfc0..37cbff1 100644
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diff --git a/source/common/install_os/imgs/install_os_untill_2019_12_25.gif b/source/common/install_os/imgs/install_os_untill_2019_12_25.gif
new file mode 100644
index 0000000..3049f6e
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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/common/restore_bios/doc.md b/source/common/restore_bios/doc.md
deleted file mode 100644
index 15b1190..0000000
--- a/source/common/restore_bios/doc.md
+++ /dev/null
@@ -1,24 +0,0 @@
-# 恢复 BIOS
-
-如果你不小心更改了主板 BIOS 配置,本文将引导你如何恢复主板 BIOS 到最佳设置。
-
-## 准备
-
-* 存有主板 BIOS 配置文件的 Autolabor OS 镜像盘 * 1
-
-> 主板 BIOS 配置文件[下载](http://www.autolabor.com.cn/download)。
-
-## 开始
-
-![](imgs/restore_bios.gif)
-
-
-## 常见问题
-
-* “这些操作会导致我的代码/文档/程序丢失吗?”
-
- 不会。
-
-* “我可以其他电脑(非 Autolabor PC)上执行这些操作吗?”
-
- 你拥有操作的自由,但我们强烈不建议这样做。
diff --git a/source/common/restore_bios/imgs/restore_bios.gif b/source/common/restore_bios/imgs/restore_bios.gif
deleted file mode 100644
index 11f95c1..0000000
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diff --git a/source/index.rst b/source/index.rst
index fd4e870..8760418 100644
--- a/source/index.rst
+++ b/source/index.rst
@@ -48,7 +48,6 @@ Autolabor 导航套件文档主页
version_two/location/marvelmind/doc
version_two/location/dashboard/doc
- common/restore_bios/doc
common/install_os/doc
common/reference/doc
@@ -84,8 +83,6 @@ Autolabor 导航套件文档主页
- :doc:`version_two/location/dashboard/doc`
- - :doc:`common/restore_bios/doc`
-
- :doc:`common/install_os/doc`
- :doc:`common/reference/doc`
diff --git a/source/version_two/introduction/tech_specs/doc.md b/source/version_two/introduction/tech_specs/doc.md
index aab9166..f19f556 100644
--- a/source/version_two/introduction/tech_specs/doc.md
+++ b/source/version_two/introduction/tech_specs/doc.md
@@ -1,14 +1,16 @@
# 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 8GB |
+| ROM | SSD 250GB |
+| Wi-Fi | 支持 |
+| 蓝牙 | 支持 |
+| 扩展接口 | 参见[接口图片](#interface) |
* CPU (AMD Ryzen3 2200G 1)
@@ -27,8 +29,8 @@
| 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 +83,9 @@
| | 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
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