diff --git a/.refsrc.json b/.refsrc.json
index 9faefbc..914ea3f 100644
--- a/.refsrc.json
+++ b/.refsrc.json
@@ -24,7 +24,7 @@
     "data-reactions-enabled": "1",
     "data-emit-metadata": "0",
     "data-input-position": "bottom",
-    "data-theme": "preferred_color_scheme",
+    "data-theme": "dark",
     "data-lang": "zh-CN",
     "crossorigin": "anonymous",
     "async": true