diff --git a/lightrag_webui/src/features/DocumentManager.tsx b/lightrag_webui/src/features/DocumentManager.tsx
index b6086bca..bc98af2e 100644
--- a/lightrag_webui/src/features/DocumentManager.tsx
+++ b/lightrag_webui/src/features/DocumentManager.tsx
@@ -394,7 +394,7 @@ export default function DocumentManager() {
           />
         </div>
 
-        <Card className="flex-1 flex flex-col border rounded-md min-h-0 mb-0">
+        <Card className="flex-1 flex flex-col border rounded-md min-h-0 mb-2">
           <CardHeader className="flex-none py-2 px-4">
             <div className="flex justify-between items-center">
               <CardTitle>{t('documentPanel.documentManager.uploadedTitle')}</CardTitle>
@@ -427,7 +427,7 @@ export default function DocumentManager() {
             )}
             {docs && (
               <div className="absolute inset-0 flex flex-col p-0">
-                <div className="w-full h-full flex flex-col border border-gray-200 dark:border-gray-700 overflow-hidden">
+                <div className="absolute inset-[-1px] flex flex-col p-0 border border-gray-200 dark:border-gray-700 overflow-hidden">
                   <Table className="w-full">
                     <TableHeader className="sticky top-0 bg-background z-10 shadow-sm">
                       <TableRow className="border-b bg-card/95 backdrop-blur supports-[backdrop-filter]:bg-card/75 shadow-[inset_0_-1px_0_rgba(0,0,0,0.1)]">