diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e660fd93d3196215552065b1e63bf6a2f393ed86
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+bin/
diff --git a/README.md b/README.md
index aa443b306e9f792cab7b6d7133bb9190faf08720..e07442d0d693ffa2c202285f3b0264f6017fbbfd 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
-readme test first
\ No newline at end of file
+readme test first
+modify on pc