diff --git a/_data/signed/yihui_xiong.yaml b/_data/signed/yihui_xiong.yaml
new file mode 100644
index 00000000..80f2908a
--- /dev/null
+++ b/_data/signed/yihui_xiong.yaml
@@ -0,0 +1,2 @@
+name: Yihui Xiong
+link: https://github.com/xiongyihui