diff --git a/doc/zkr.md b/doc/zkr.md
new file mode 100644
index 0000000000000000000000000000000000000000..c130232141c78d0a972e07b1ad97f7758ddf178a
--- /dev/null
+++ b/doc/zkr.md
@@ -0,0 +1 @@
+"hihi"