diff --git a/packages/ui/certd-client/src/vben/preferences/config.ts b/packages/ui/certd-client/src/vben/preferences/config.ts
index 4df6ae30a..494ca930c 100644
--- a/packages/ui/certd-client/src/vben/preferences/config.ts
+++ b/packages/ui/certd-client/src/vben/preferences/config.ts
@@ -94,7 +94,7 @@ const defaultPreferences: Preferences = {
     colorPrimary: "hsl(212 100% 45%)",
     colorSuccess: "hsl(144 57% 58%)",
     colorWarning: "hsl(42 84% 61%)",
-    mode: "light",
+    mode: "auto",
     radius: "0.5",
     semiDarkHeader: false,
     semiDarkSidebar: false,