diff --git a/_data/signed/guotie b/_data/signed/guotie
deleted file mode 100644
index 534acb46..00000000
--- a/_data/signed/guotie
+++ /dev/null
@@ -1,2 +0,0 @@
-name: guotie
-link: guotie.github.io
diff --git a/_data/signed/guotie.yaml b/_data/signed/guotie.yaml
new file mode 100644
index 00000000..249857b9
--- /dev/null
+++ b/_data/signed/guotie.yaml
@@ -0,0 +1,2 @@
+name: guotie
+link: https://guotie.github.io