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 ## Overview
 This project contains a 3Dprinter Toolhead PCB for VORON StealthBurner Toolhead
 
-![](/Document/pic/v1.1t.png)
+![](/Document/pic/v1.1t.jpg)
 
-![](/Document/pic/v1.1b.png)
+![](/Document/pic/v1.1b.jpg)
 
 The board has
 
diff --git a/readme_cn.md b/readme_cn.md
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 适用于Voron StealthBurner的3D打印工具板，基于RP2040控制器
 
-![](/Document/pic/v1.1t.png)
+![](/Document/pic/v1.1t.jpg)
 
-![](/Document/pic/v1.1b.png)
+![](/Document/pic/v1.1b.jpg)
 
 * RP2040 控制器，使用USB连接上位机
 * TMC2209 挤出机电机驱动