diff --git a/dev1.txt b/dev1.txt
deleted file mode 100644
index dc73303..0000000
--- a/dev1.txt
+++ /dev/null
@@ -1 +0,0 @@
-1221231
\ No newline at end of file
diff --git a/matser.txt b/matser.txt
new file mode 100644
index 0000000..b024d3b
--- /dev/null
+++ b/matser.txt
@@ -0,0 +1 @@
+master1
\ No newline at end of file