Directly send deal from SWAN, don’t need to host lotus

[flyworker]

Is your feature request related to a problem? Please describe.
directly send deal from SWAN, so I don’t need to host lotus

Describe the solution you'd like
Generate car on swan side instead doing it on local.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.