diff --git a/themes/Ying/static/css/main.css b/themes/Ying/static/css/main.css
index 1e512262..db69523c 100644
--- a/themes/Ying/static/css/main.css
+++ b/themes/Ying/static/css/main.css
@@ -3370,53 +3370,6 @@ blockquote p {
     background: #e4c7b8
 }
 
-@media(prefers-color-scheme: dark) {
-    body {
-        background:var(--background-dark-body-color);
-        color: var(--text-content-dark-color)
-    }
-
-    p {
-        color: var(--text-content-dark-color)
-    }
-
-    h1,h2 {
-        color: #ccc
-    }
-
-    h3 {
-        color: #fff
-    }
-
-    a {
-        color: var(--text-content-dark-color)
-    }
-
-    .author {
-        color: #ccc
-    }
-
-    .summary-date {
-        color: #aaa
-    }
-
-    .highlight {
-        background-color: var(--background-dark-color)
-    }
-
-    img {
-        filter: brightness(.8)contrast(1.2)
-    }
-
-    .highlight pre {
-        background: var(--background-dark-color)!important
-    }
-
-    ::selection {
-        background: #67534c
-    }
-}
-
 @media(min-width: 900px) {
     .img-hide,.retu-hide {
         transform: translateY(35%);