diff --git a/Create-DevTerm-R01-OS-image-from-scratch.md b/Create-DevTerm-R01-OS-image-from-scratch.md
index 8835ee0..f3822ee 100644
--- a/Create-DevTerm-R01-OS-image-from-scratch.md
+++ b/Create-DevTerm-R01-OS-image-from-scratch.md
@@ -12,8 +12,23 @@ So this document is more suitable for the guidance of the R-01 system image
 a ubuntu linux system, like ubuntu 21.04
 
 install riscv64 gcc
+```
+sudo apt install gcc-11-riscv64-linux-gnu binutils-riscv64-linux-gnu
+sudo apt install git
+sudo apt install make
+sudo apt install build-essential
+sudo apt install libfontconfig1
+sudo apt install ncurses-devel
+sudo apt install libncurses-dev
+sudo apt install build-essential
+sudo apt install flex bison
+sudo apt install python3-distutils
+sudo apt install swig
+sudo apt install python3-dev
+sudo apt install openssl
+sudo apt install libssl-dev
 
-`sudo apt install gcc-11-riscv64-linux-gnu binutils-riscv64-linux-gnu`
+```
 
 install qemu static for chroot