chore: property shorthand,update src/theme/dark.ts

Co-authored-by: Zhongxiang Wang <yhen@all-my-life.cn>
diff --git a/src/theme/dark.ts b/src/theme/dark.ts
index de17a14..3da1abc 100644
--- a/src/theme/dark.ts
+++ b/src/theme/dark.ts
@@ -106,7 +106,7 @@
         },
         feature: {
             dataView: {
-                backgroundColor: color.background,
+                backgroundColor: backgroundColor,
                 textColor: color.primary,
                 textareaColor: color.background,
                 textareaBorderColor: color.border,