diff --git a/cla b/cla
new file mode 100644
index 0000000000000000000000000000000000000000..b38fdc4c240a6cac09d54a421ced43857a246256
--- /dev/null
+++ b/cla
@@ -0,0 +1 @@
+怎样签署cla
\ No newline at end of file