diff --git a/lightrag_webui/src/lib/constants.ts b/lightrag_webui/src/lib/constants.ts
index 87db8cea..048ae8f7 100644
--- a/lightrag_webui/src/lib/constants.ts
+++ b/lightrag_webui/src/lib/constants.ts
@@ -1,6 +1,6 @@
 import { ButtonVariantType } from '@/components/ui/Button'
 
-export const backendBaseUrl = 'http://localhost:9621'
+export const backendBaseUrl = ''
 export const webuiPrefix = '/webui/'
 
 export const controlButtonVariant: ButtonVariantType = 'ghost'