diff --git a/templates/en/base.html b/templates/en/base.html
index 951fa5c..ad1f9ed 100644
--- a/templates/en/base.html
+++ b/templates/en/base.html
@@ -9,6 +9,7 @@
+
{% block head_extra %}{% endblock %}
diff --git a/templates/zh/base.html b/templates/zh/base.html
index a0aa8be..7e112c7 100644
--- a/templates/zh/base.html
+++ b/templates/zh/base.html
@@ -9,6 +9,7 @@
+
{% block head_extra %}{% endblock %}