diff --git a/_config.butterfly.yml b/_config.butterfly.yml
index e09341b0..2a2fc9af 100644
--- a/_config.butterfly.yml
+++ b/_config.butterfly.yml
@@ -99,7 +99,7 @@ avatar:
 disable_top_img: false
 
 # The banner image of home page 首页的横幅图像
-index_img:
+index_img: \img\宇宙星球.jpg
 
 # If the banner of page not setting, it will show the top_img
 # 如果页面的横幅没有设置，它将显示top_img