diff --git a/docs/芯片手册/CH395F.md b/docs/芯片手册/CH395F.md
index ab495fb4..b7743f23 100644
--- a/docs/芯片手册/CH395F.md
+++ b/docs/芯片手册/CH395F.md
@@ -9,7 +9,7 @@ CH395 支持三种通讯接口：8 位并口、SPI 接口和异步串口，单
 下图为 CH395 的应用框图。
 
 <p align="center">图 CH395 应用框图</p>
-![](https://lsky.bitnasdaq.vip/eE81DM.jpg)
+![](images/455678a179a8cea5621afe315ea2d5acf2c155c0e60b6d4270fa241d2480e254.jpg)
 
 ## 2、特点
 
@@ -19,7 +19,7 @@ CH395 支持三种通讯接口：8 位并口、SPI 接口和异步串口，单
 
 ## 3、引脚排列
 
-![](https://lsky.bitnasdaq.vip/9dobp9.jpg)
+![](images/cc41d68ee9e07980075eb4b9acb92f1bcf5f6ae715c1198fbdcf6ce3f3eed57c.jpg)
 
 <p align="center">表 封装说明</p>
 
@@ -853,11 +853,11 @@ SPI 的操作步骤是：
 下图是 SPI 接口的逻辑时序图，图 6-1 为发出命令 12H 并写入数据 34H，图 6-2 为发出命令 28H并读出数据 78H。
 
 <p align="center">图 示例 1</p>
-![](https://lsky.bitnasdaq.vip/9TnIMe.jpg)
+![](images/822ab712bf99ebb5c0e5d5fcaa8377dc1b916e3026a0c3dc5d39e2c00e0389be.jpg)
 
 
 <p align="center">图 示例 2</p>
-![](https://lsky.bitnasdaq.vip/vsEYWk.jpg)
+![](images/058feec807e81454a62aac28ac9f32a23f8867ba2cf9f21844f2e05df305af3d.jpg)
 
 ## 6.3 异步串口
 
@@ -898,7 +898,7 @@ CH395 串口发送信号的波特率误差小于 0.3％，串口接收信号的
 下图为串口的逻辑时序图。
 
 <p align="center">图 示例 3</p>
-![](https://lsky.bitnasdaq.vip/ZzMQVu.jpg)
+![](images/cef08648a683a688c4228799814c0943a9818f78f747fb77db550c782d4cb901.jpg)
 
 ## 6.4 8 位并行接口
 
@@ -1028,35 +1028,35 @@ SPI 或并口模式下 CH395 读写收发缓存区命令只需确保在长度和
 |写发送缓存区|0.2|
 
 <p align="center">图 SPI 模式写发送缓存区</p>
-![](https://lsky.bitnasdaq.vip/7FQ5tH.jpg)
+![](images/bc596072fe24bd410c9c096abd8198519d143b7e5c5dddcaae47ce10609ca70d.jpg)
 
 text_image
 
 SCK SCS SDI 0x39 Socket号 长度[7:0] 长度[15:8] 数据0 数据n SDO </details>
 
 <p align="center">图 SPI 模式读接收缓存区</p>
-![](https://lsky.bitnasdaq.vip/255mRJ.jpg)
+![](images/bbea26993e204c7f5251a7ce3c4b1c3fb03c6ac8a6755bfb767633031bf771a7.jpg)
 
 text_image
 
 SCK SCS SDI SDO 0x3C Socket号 长度[7:0] 长度[15:8] 数据0 数据n TSL </details>
 
 <p align="center">图 并口模式写发送缓存区</p>
-![](https://lsky.bitnasdaq.vip/uMdQpC.jpg)
+![](images/cfac897aca663984b3c4d5e29d17437ed2b599d206765fcb6ba21bfe14e9e054.jpg)
 
 <p align="center">图 并口模式读接收缓存区</p>
-![](https://lsky.bitnasdaq.vip/gjw5BJ.jpg)
+![](images/edb70cf2af227e98203c912bd29a253177a3f7683ae4bc53d06a0fd7b4cb6d1f.jpg)
 
 ## 7.5 交流电气特性和时序
 
 ## 7.5.1 SPI 时序
 
 <p align="center">图 SPI 模式 0 时序图</p>
-![](https://lsky.bitnasdaq.vip/ChpY9y.jpg)
+![](images/017874dfc9344575eba81b2ac138f6d3d4c94d00667867c0c8cb2183823ce0ec.jpg)
 
 
 <p align="center">图 SPI 模式 3 时序图</p>
-![](https://lsky.bitnasdaq.vip/1SNqAJ.jpg)
+![](images/a0d4073eaadb38bd90f973ae56cf05219005e432b8407f1b876fdba9f9f7f251.jpg)
 
 <p align="center">表 SPI 参数表 ( \mathsf { V } _ { \mathbb { C } \mathbb { S } 3 } = 3 . 3 \mathsf { V } ， \mathsf { V } _ { \mathtt { C C I 0 } } = 3 . 3 \mathsf { V } ， { \bar { \mathsf { T } } } _ { \mathsf { A } } = 2 5 ^ { \circ } { \mathsf { C } } )</p>
 
@@ -1074,7 +1074,7 @@ SCK SCS SDI SDO 0x3C Socket号 长度[7:0] 长度[15:8] 数据0 数据n TSL </de
 ## 7.5.2 并口时序
 
 <p align="center">图 并口模式时序图</p>
-![](https://lsky.bitnasdaq.vip/76jumb.jpg)
+![](images/fc17ba6c968890da56f75c7a1def151a4d2470aa075d5e17d92bc01e538b73fc.jpg)
 
 <p align="center">表 并口参数表 ( \mathsf { V } _ { \mathsf { c c 3 3 } } = 3 . 3 \mathsf { V } ， \mathsf { V } _ { \mathtt { C C I 0 } } = 3 . 3 \mathsf { V } ， { \bar { \mathsf { T } } } _ { \mathsf { A } } = 2 5 ^ { \circ } { \mathsf { C } } ) ）</p>
 
@@ -1125,11 +1125,11 @@ SCK SCS SDI SDO 0x3C Socket号 长度[7:0] 长度[15:8] 数据0 数据n TSL </de
 
 引脚中心间距是标称值，没有误差，除此之外的尺寸误差不大于±0.2mm。
 
-8.1 QFN32 ![](https://lsky.bitnasdaq.vip/uSCWXp.jpg)
+8.1 QFN32 ![](images/8ee09ab4e8238cc85663727058d798f591fcd104e63934c69c75a8c90c28432d.jpg)
 
-8.2 LQFP64M ![](https://lsky.bitnasdaq.vip/kEydnV.jpg)
+8.2 LQFP64M ![](images/c6f9d38dce647d536e0df184f8ca6def84f6694192f864be02a9c344cca34c77.jpg)
 
-8.3 LQFP128 ![](https://lsky.bitnasdaq.vip/5WfaZx.jpg)
+8.3 LQFP128 ![](images/6e34246faa56bb15f8e6482bfa9d98d7902c801ac18deaf61c2e955ff189afa5.jpg)
 
 ## 9、应用
 
@@ -1323,7 +1323,7 @@ CH395 支持修改 TCP MSS，默认的 TCP MSS 大小为 1460。一般而言 TCP
 ## 9.3.1 CH395F 参考电路
 
 <p align="center">图 CH395F 硬件参考电路</p>
-![](https://lsky.bitnasdaq.vip/044Mjw.jpg)
+![](images/d2b1b61bbcc7d2f5891a4d8d895d057fd7a89a0152365bbc16c95901d77cda76.jpg)
 
 CH395F 已内置了晶体 Y1 的部分振荡电容，C5 和 C6 可以根据晶体参数调节。对于负载电容为12pF 的 Y1，无需 C5 和 C6；对于负载电容为 20pF 的 Y1，C5 和 C6 建议各 15pF。
 
@@ -1336,7 +1336,7 @@ CH395F 可通过 J2、J3 跳线帽选择所需通信接口。关于接口配置
 ## 9.3.2 CH395A 参考电路
 
 <p align="center">图 CH395A 硬件参考电路</p>
-![](https://lsky.bitnasdaq.vip/65pOUB.jpg)
+![](images/9dd9fa9e82fbae2eb55a78c56ee1b45bad64eec1693c6f6c1fd818feeba60e53.jpg)
 
 CH395A 已内置了晶体 Y1 的部分振荡电容，C5 和 C6 可以根据晶体参数调节。对于负载电容为12pF 的 Y1，无需 C5 和 C6；对于负载电容为 20pF 的 Y1，C5 和 C6 建议各 15pF。
 
@@ -1353,7 +1353,7 @@ CH395A 可通过 J2、J3 跳线帽选择所需通信接口。关于接口配置
 ## 9.3.3 CH395P 参考电路
 
 <p align="center">图 CH395P 硬件参考电路</p>
-![](https://lsky.bitnasdaq.vip/AfQDsk.jpg)
+![](images/0ca58b166683d545799182f344c15a74675a2610a366b9bd63e559d5e05e529e.jpg)
 
 CH395P 已内置了晶体 Y1 的部分振荡电容，C5 和 C6 可以根据晶体参数调节。对于负载电容为12pF 的 Y1，无需 C5 和 C6；对于负载电容为 20pF 的 Y1，C5 和 C6 建议各 15pF。
 
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