diff --git a/docs/_config.yml b/docs/_config.yml
index f8b01257a5..82e0a278bb 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -23,3 +23,7 @@ theme: egg
 
 less:
   compress: true
+
+deer:
+  spmAPos: 'a454'
+  spmBPos: 'b4893'
\ No newline at end of file