fix: graph rag model id

src/renderer/src/pages/settings/ProviderSettings/GraphRAGSettings.tsx

@@ -13,7 +13,7 @@ interface Props {
 
 const GraphRAGSettings: FC<Props> = ({ provider }) => {
   const apiUrl = provider.apiHost
-  const modalId = provider.models[0].id
+  const modalId = provider.models.filter((model) => model.id.includes('global'))[0]?.id
   const { t } = useTranslation()
 
   const onShowGraphRAG = async () => {
@@ -22,6 +22,10 @@ const GraphRAGSettings: FC<Props> = ({ provider }) => {
     MinApp.start({ url, title: t('words.knowledgeGraph') })
   }
 
+  if (!modalId) {
+    return null
+  }
+
   return (
     <Container>
       <SettingSubtitle>{t('words.knowledgeGraph')}</SettingSubtitle>