Bootstrap js two-level linkage query problem

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when you select IP:192.168.1.29, you can get game clothes: 1002, 1003, 1004

ip:192.168.1.29:4000140002

IP:192.168.1.29

html

Jul.19,2021

I haven't used multiSelect
I don't think we can directly empty and html initialize the content of multiSelect.
see how the multiSelect document modifies the content. Use its own method

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