diff --git a/README.md b/README.md
index c6472c6e0bf9483d24db46a3904a207b1b4a37ac..feb25a95327585cdb5ae4c56353dc6cea5bfcd98 100644
--- a/README.md
+++ b/README.md
@@ -19,4 +19,10 @@
         make install
     just wait and you can get libs and includes in install dir
 ```
+3. install ros2
+```
+    (1) As "1." first step shows,get ros2 pkg according to your platform.
+    (2) 
+```
+