fix: lms card hero image no visible
diff --git a/erpnext/www/lms/course.html b/erpnext/www/lms/course.html
index 0bfd059..84cad36 100644
--- a/erpnext/www/lms/course.html
+++ b/erpnext/www/lms/course.html
@@ -45,7 +45,7 @@
<div>
{% endif %}
{% if topic.hero_image %}
- <div class="card-hero-img" style="background-image: url({{ topic.hero_image }})"></div>
+ <div class="card-hero-img" style="background-image: url('{{ topic.hero_image }})'"></div>
{% else %}
<div class="card-image-wrapper text-center">
<div class="image-body"><i class="fa fa-picture-o" aria-hidden="true"></i></div>