# 設置平台注意事項

(包括[Contact](https://docs.chatalog.ai/zh-hk/contact-setup/contact) / [Broadcast](https://docs.chatalog.ai/zh-hk/broadcast-setup/broadcast-whatsapp) / [Post Auto Reply](https://docs.chatalog.ai/zh-hk/post-autoreply/tie-wen-zi-dong-hui-fu-post-auto-reply/post-auto-reply) / [Chat Flow](https://docs.chatalog.ai/zh-hk/crm-quickstarts/flow))

<figure><img src="https://lh7-us.googleusercontent.com/qiwyccfU1lCF9BC3lVJBrTnijogG4l0Eqxyk_yu5PqoGAKABY9N4YSPuYKL5uaa1aqeKQAziI4RtwtQ4WvltRNlvq2ngxV0O_LZvJ8FvKAYlLlit4su3NNgTs9ThInNHpz3pt-NinLcmqz-jV98D6eI" alt=""><figcaption></figcaption></figure>

另外，有關WhatsApp的檔案大小也請留意:<br>

| Media Type | Supported Types                                                                                                                                                                                                                                                                                                                 | Size Limit                                                   |
| ---------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ |
| audio      | audio/aac, audio/mp4, audio/mpeg, audio/amr, audio/ogg (only opus codecs, base audio/ogg is not supported)                                                                                                                                                                                                                      | 16 MB                                                        |
| document   | text/plain, application/pdf, application/vnd.ms-powerpoint, application/msword, application/vnd.ms-excel, application/vnd.openxmlformats-officedocument.wordprocessingml.document, application/vnd.openxmlformats-officedocument.presentationml.presentation, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | 100 MB                                                       |
| image      | <p>image/jpeg, image/png</p><p>Images must be 8-bit, RGB or RGBA</p>                                                                                                                                                                                                                                                            | 5 MB                                                         |
| video      | video/mp4, video/3gp Note: - Only H.264 video codec and AAC audio codec is supported. - We support videos with a single audio stream or no audio stream.                                                                                                                                                                        | 16 MB                                                        |
| sticker    | image/webp                                                                                                                                                                                                                                                                                                                      | <p>Static stickers: 100KB</p><p>Animated stickers: 500KB</p> |