diff --git a/web/app/styles/globals.css b/web/app/styles/globals.css
index a8eb91a03b..585634cbbc 100644
--- a/web/app/styles/globals.css
+++ b/web/app/styles/globals.css
@@ -39,7 +39,9 @@
 @source '../../node_modules/streamdown/dist';
 @source '../../node_modules/@streamdown/math/dist';
 @source not '../../**/*.{spec,test}.{js,ts,jsx,tsx}';
+@source not '../../**/*.stories.{js,ts,jsx,tsx}';
 @source not '../../../packages/dify-ui/src/**/*.{spec,test}.{ts,tsx}';
+@source not '../../../packages/dify-ui/src/**/*.stories.{ts,tsx}';
 
 /* ---------- JS plugins ------------------------------------------------ */
 @plugin './plugins/icons.ts';