diff --git a/themes/Ying/assets/css/main.css b/themes/Ying/assets/css/main.css
index 0a9097c2..725a76b3 100644
--- a/themes/Ying/assets/css/main.css
+++ b/themes/Ying/assets/css/main.css
@@ -40,7 +40,10 @@ html {
 [data-theme="dark"] body {
     color: var(--text-content-dark-color);
     background-color: var(--background-dark-color);
-    background-image: none;
+    background-image: none !important;
+    background-repeat: initial !important;
+    background-size: initial !important;
+    background-attachment: initial !important;
 }
 
 [data-theme="dark"] .main {