diff --git a/web/src/components/max-token-number.tsx b/web/src/components/max-token-number.tsx
index 94829efd9..c64b40fac 100644
--- a/web/src/components/max-token-number.tsx
+++ b/web/src/components/max-token-number.tsx
@@ -6,7 +6,7 @@ interface IProps {
   max?: number;
 }
 
-const MaxTokenNumber = ({ initialValue = 128, max = 2048 }: IProps) => {
+const MaxTokenNumber = ({ initialValue = 512, max = 2048 }: IProps) => {
   const { t } = useTranslate('knowledgeConfiguration');
 
   return (