diff --git a/whatsmars-common/README.md b/whatsmars-common/README.md
index 44fcd02fe033f38cf8471ac9c5c50ff5e1920572..6a7f1902ef886cbcb20916a8f77dd41b2bb30a19 100644
--- a/whatsmars-common/README.md
+++ b/whatsmars-common/README.md
@@ -1,8 +1,10 @@
-|--whatsmars-common
+|--`whatsmars-common`
 
 |----src
 
-|------test
+|------main
+
+|------**test**
 
 |--------java