diff --git a/_data/signed/ybyygu.yaml b/_data/signed/ybyygu.yaml
new file mode 100644
index 00000000..29fa71a3
--- /dev/null
+++ b/_data/signed/ybyygu.yaml
@@ -0,0 +1,2 @@
+name: Wenping Guo
+link: https://github.com/ybyygu