diff --git a/README.md b/README.md
index 73bb81e..c15e3ff 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ Right click on the project and select "Manage NuGet Packages", then search for `
 
 IDE：Visual Studio 2019 or higher (Compiling for ARM/ARM64 requires Visual Studio 2022)
 
-* `git clone https://github.com/MiroKaku/ucxxrt.git`
+* `git clone --recurse-submodules https://github.com/MiroKaku/ucxxrt.git`
 * Open `ucxxrt.sln` and compile.
 
 ## 4. Reference and Acknowledgement
diff --git a/ReadMe.zh-cn.md b/ReadMe.zh-cn.md
index e71eab9..80d7ff8 100644
--- a/ReadMe.zh-cn.md
+++ b/ReadMe.zh-cn.md
@@ -105,7 +105,7 @@ void Test$HashMap()
 
 IDE：Visual Studio 2019 或更高版本 (编译 ARM/ARM64 需要 Visual Studio 2022)
 
-* `git clone https://github.com/MiroKaku/ucxxrt.git`
+* `git clone --recurse-submodules https://github.com/MiroKaku/ucxxrt.git`
 * 打开 `ucxxrt.sln` 进行编译。
 
 ## 4. 引用参考和感谢