diff --git a/Ubiquitous/XiZi_IIoT/board/cortex-m4-emulator/README.md b/Ubiquitous/XiZi_IIoT/board/cortex-m4-emulator/README.md
index 17f1ca1f7..c97db99d1 100644
--- a/Ubiquitous/XiZi_IIoT/board/cortex-m4-emulator/README.md
+++ b/Ubiquitous/XiZi_IIoT/board/cortex-m4-emulator/README.md
@@ -92,7 +92,7 @@ git clone https://gitlink.org.cn/xuos/xiuos.git
 使用VScode打开代码，具体操作步骤为：在源码文件夹下打开系统终端，输入`code .`即可打开VScode开发环境，如下图所示：
 
 <div align= "center">
-<img src = img/vscode.jpg  width =1000>
+<img src = "img/vscode.jpg"  width =1000>
   </div>