--- title: V4.4.1 (includes upgrade script) description: Upgrade guide from older versions to FastGPT V4.4.1 --- ## Run the Initialization API Send 1 HTTP request (remember to include `headers.rootkey` — this value comes from your environment variables): 1. https://xxxxx/api/admin/initv441 ```bash curl --location --request POST 'https://{{host}}/api/admin/initv441' \ --header 'rootkey: {{rootkey}}' \ --header 'Content-Type: application/json' ``` This will initialize the `dataset.files` collection in MongoDB, marking all data as available.