diff --git a/hugo.yaml b/hugo.yaml
index 150be2f..d6ab99f 100644
--- a/hugo.yaml
+++ b/hugo.yaml
@@ -72,7 +72,7 @@ params:
 
   # 主题
   theme:
-    default: system
+    default: dark
     displayToggle: true
 
   # 页脚