diff --git a/learn_file b/learn_file
deleted file mode 100644
index 845c4c9..0000000
--- a/learn_file
+++ /dev/null
@@ -1 +0,0 @@
-this a learn file.
\ No newline at end of file
diff --git a/learn_file.txt b/learn_file.txt
new file mode 100644
index 0000000..fe7d41d
--- /dev/null
+++ b/learn_file.txt
@@ -0,0 +1,2 @@
+this a learn file.
+add content.
\ No newline at end of file