diff --git a/README.md b/README.md
index 186c55f..d3de8ee 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@
 [如何安装xmake?链接](https://gitee.com/tboox/xmake#%E5%AE%89%E8%A3%85)
 
 ```bash
+git clone --recurse-submodules https://git.zziyu.cn/Zengtudor/DNASequence.git
+
 #编译 -v 表示 verbose 输出详细编译信息具体说明去上面的xmake链接看看
 xmake b -v
 # 运行