diff --git a/README.txt b/README.md
similarity index 99%
rename from README.txt
rename to README.md
index 795c59b..26187d1 100644
--- a/README.txt
+++ b/README.md
@@ -15,6 +15,7 @@ Please modify the cmake file for you to build on your machine.
 
 The original readme content is attached below:
 
+```txt
 This code is used for three purposes:
 
 1) Build the official course solution
@@ -50,3 +51,4 @@ Building the solution:
 
 
 Note that some test scenes are provided in the assets folder. You can do a soft link to the assets folder in the build folder for your convenience.
+```