V2 fixed the preview video saving issue


API application address: https://ai.t8star.cn/
Register to get $0.2

5-second benchmark price is 0.6 RMB, 10-second benchmark price is 1.2 RMB. To modify the duration, adjust the duration option.

After registration, click on the token on the left, create a token, use the Default group, do not use the follow user group!!
Then copy the API to APIKEY.

For local use, please install the node: https://github.com/ainewsto/Comfyui_Comfly_v2

Currently, for preview video nodes, occasionally the preview video may not display online.

If the generation is successful but the address is not visible, the solution is:


https://ai.t8star.cn/task
Click on the corresponding task ID here, where you will find the MP4 address. Download manually. Local deployment should not have this issue; this is a network problem.

There is a long address that you can copy into your browser to download, for example:

The following complete segment is the address, specifically check the RESPONSE output section:

https://ark content generation cn beijing.tos cn beijing.volces.com/doubao seedance 1 0 pro/02175198797183300000000000000000000ffffac15f035f1cc3f.mp4?X Tos Algorithm=TOS4 HMAC SHA256&X Tos Credential=AKLTYjg3ZjNlOGM0YzQyNGE1MmI2MDFiOTM3Y2IwMTY3OTE%2F20250708%2Fcn beijing%2Ftos%2Frequest&X Tos Date=20250708T152017Z&X Tos Expires=86400&X Tos Signature=b67eaa5fba5fd750921a84e77e314257f40332e49060fe786ba6b535e48a2004&X Tos SignedHeaders=host