diff --git a/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js b/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
index 3a0735a096ac759ad8c31891bf46e071c6862583..471f39c948642f5f03913c8d16bea2f91bc6fea7 100644
--- a/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
+++ b/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
@@ -197,6 +197,15 @@ module.exports = function (pagesJson, userManifestJson, isAppView) {
       manifestJson.plus.distribute.plugins = distribute.sdkConfigs
       delete manifestJson.plus.distribute.sdkConfigs
     }
+    if (manifestJson.plus.darkmode) {
+      if (!(distribute.google || (distribute.google = {})).defaultNightMode) {
+        distribute.google.defaultNightMode = 'auto'
+      }
+
+      if (!(distribute.apple || (distribute.apple = {})).UIUserInterfaceStyle) {
+        distribute.apple.UIUserInterfaceStyle = 'Automatic'
+      }
+    }
   }
 
   // 屏幕启动方向