diff --git a/scss/topic-cards.scss b/scss/topic-cards.scss
index 3302a12..b4cc560 100644
--- a/scss/topic-cards.scss
+++ b/scss/topic-cards.scss
@@ -765,6 +765,14 @@ body.user-messages-page {
   position: relative;
 }
 
+#main-outlet {
+  @if $home_bg_image != "" {
+    background-image: url($home_bg_image);
+    background-size: cover;
+    background-position: center;
+  }
+}
+
 .container.list-container{
   position: relative;
 }
diff --git a/settings.yml b/settings.yml
index 343fd3b..0886dc5 100644
--- a/settings.yml
+++ b/settings.yml
@@ -9,3 +9,9 @@ search_experience:
     - search_field
     - search_icon
   description: "Overrides the core `search experience` site setting"
+
+home_bg_image:
+  type: upload
+  default: ""
+  description: "首页背景图"
+