diff --git a/web/app/components/header/account-setting/model-provider-page/system-model-selector/index.tsx b/web/app/components/header/account-setting/model-provider-page/system-model-selector/index.tsx
index 30ba47587b..e4b079ebbc 100644
--- a/web/app/components/header/account-setting/model-provider-page/system-model-selector/index.tsx
+++ b/web/app/components/header/account-setting/model-provider-page/system-model-selector/index.tsx
@@ -139,7 +139,7 @@ const SystemModel: FC<SystemModelSelectorProps> = ({
           {t('common.modelProvider.systemModelSettings')}
         </Button>
       </PortalToFollowElemTrigger>
-      <PortalToFollowElemContent className='z-[60]'>
+      <PortalToFollowElemContent className='z-[75]'>
         <div className='w-[360px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg pt-4 shadow-xl'>
           <div className='px-6 py-1'>
             <div className='flex h-8 items-center text-[13px] font-medium text-text-primary'>