Fix: Some bugs (#12441)

### What problem does this PR solve?

Fix: Some bugs
- In a production environment, a second-level page refresh results in a
white screen.
- The knowledge graph cannot be opened.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/components/document-preview/document-header.tsx

@@ -12,7 +12,7 @@ export default ({ size, name, create_date }: Props) => {
   const dateStr = formatDate(create_date);
   return (
     <div>
-      <h2 className="text-[16px]">{name}</h2>
+      <h2 className="text-[16px] truncate">{name}</h2>
       <div className="text-text-secondary text-[12px] pt-[5px]">
         Size：{sizeName} Uploaded Time：{dateStr}
       </div>

web/src/components/ui/breadcrumb.tsx

@@ -69,7 +69,7 @@ const BreadcrumbPage = React.forwardRef<
     role="link"
     aria-disabled="true"
     aria-current="page"
-    className={cn('font-normal text-foreground', className)}
+    className={cn('font-normal text-foreground truncate max-w-40', className)}
     {...props}
   />
 ));