diff --git a/whatsmars-common/README.md b/whatsmars-common/README.md
index daba6c15bd96bb27afee5fbdc59cd9e219d4c6f1..152e8c6f0e7084c661cd757b0ad9764d1c294b42 100644
--- a/whatsmars-common/README.md
+++ b/whatsmars-common/README.md
@@ -1 +1,16 @@
-test 目录下包含 Java SE 相关的 demo
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+whatsmars-common
+​	src
+​		test
+​			java
+​				org
+​					hongxi
+​						java
+​							io
+​							lang
+​							net
+​							nio
+​							rmi
+​							util
+​								concurrent
+​								function
+​								stream
\ No newline at end of file