diff --git a/README.md b/README.md
index e6cd12c..ce3c04b 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 softeng
 ===============
+
+- text
+- unix
diff --git a/b1.txt b/b1.txt
new file mode 100644
index 0000000..d862b1f
--- /dev/null
+++ b/b1.txt
@@ -0,0 +1,3 @@
+b1
+* b1   a0b3824 text
+  main a0b3824 [origin/main] text