I hope the rotten roots of Bodhi can be saved. Here are the steps:

1. Take out the little bodhi and remove the rotten root system.

2. Disinfect the wound with carbendazim.

3. Prepare new culture soil, which can be mixed with garden soil, peat soil, fine sand and bone meal in a certain proportion to provide a good growth environment for plants.

4. Replant Xiaowan Bodhi and water it to take root.

5. Move to a ventilated and sunny place for maintenance, water and fertilize regularly, provide sufficient nutrition for plants, and let Pan Xiao Bodhi recover its growth as soon as possible.

According to the above steps, Pan Xiao Bodhi should be able to save his life.