diff --git a/web/app/components/workflow/nodes/agent/panel.tsx b/web/app/components/workflow/nodes/agent/panel.tsx
index 3e16589e4e..ed399a20d1 100644
--- a/web/app/components/workflow/nodes/agent/panel.tsx
+++ b/web/app/components/workflow/nodes/agent/panel.tsx
@@ -42,6 +42,7 @@ const mockSchema = [
       en_US: 'Model',
       zh_Hans: '模型',
     },
+    variable: 'model',
     scope: 'all',
   },
 ] as Array<CredentialFormSchema & { name: string }>