# FAQs

### Glarity does not work

#### 1. Unable to select the OpenAI API model

![](https://2241759832-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FS6QFixrXu0NSmiSsnIJZ%2Fuploads%2F356SyXDQMRbSn42LgXXG%2Fimage.png?alt=media\&token=efdd9a00-868a-425f-8c97-5a406dcb88e9)

{% hint style="info" %}
Please delete and reinstall the plugin.
{% endhint %}

#### 2. {'error":('message":"Invalid URL (POST /v1/chat/completions)"

![](https://2241759832-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FS6QFixrXu0NSmiSsnIJZ%2Fuploads%2F8kQCY7dbBHci7bBYJjR9%2Fimage.png?alt=media\&token=798df7bc-9629-4d62-86ba-7adb2f294fc4)

{% hint style="info" %}
Please delete and reinstall the plugin.
{% endhint %}

#### 3. Please login and pass Cloudflare check at [chat.openai.com](https://chat.openai.com/)

![](https://2241759832-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FS6QFixrXu0NSmiSsnIJZ%2Fuploads%2Fdl4Q99WPosjrBJndzhTw%2Fimage.png?alt=media\&token=e5805570-cef9-4418-893f-eded12035cb3)

{% hint style="info" %}
Open the chat.openai.com website and login, then return to see if it works.
{% endhint %}

{% hint style="info" %}
![](https://2241759832-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FS6QFixrXu0NSmiSsnIJZ%2Fuploads%2FetgB5nsMtRXsuf25JoVm%2Fimage.png?alt=media\&token=27ede630-d772-4272-85f9-91261f1e07da)\
\
If it still doesn't work, go to Extension Options and set the AI Provider to OpenAI API, then enter the Key and return to retry.
{% endhint %}

### Usage Tips

#### 1. YouTube Custom Prompt

1. Open the extension Options and find "Customize Prompt for Summary(YouTube)".
2. Copy Prompt.\
   ![](https://2241759832-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FS6QFixrXu0NSmiSsnIJZ%2Fuploads%2FTdHQGZcUrvwp9DQ2uPGL%2Fimage.png?alt=media\&token=a52e1963-7dff-411d-999b-771abbe373ca)
3. Paste or type Prompt, then save.\
   ![](https://2241759832-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FS6QFixrXu0NSmiSsnIJZ%2Fuploads%2F2ITckapwrlv0KB3UsJhZ%2Fimage.png?alt=media\&token=b3795693-0816-46bc-a0b1-11cd520ef94f)