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/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}
   />
 ));