diff --git a/README_lizhaofeng.md b/README_lizhaofeng.md
new file mode 100644
index 0000000000000000000000000000000000000000..ccac677fe0278e30db6e5dd03e23bd10bf29cbce
--- /dev/null
+++ b/README_lizhaofeng.md
@@ -0,0 +1 @@
+hello,lizhaofeng
\ No newline at end of file
diff --git a/hello world.py b/hello world.py
deleted file mode 100644
index e75154b7c390fdc4aa85d86e0a191be255a00627..0000000000000000000000000000000000000000
--- a/hello world.py	
+++ /dev/null
@@ -1 +0,0 @@
-print("hello world")
\ No newline at end of file