[Feature] I hope form collection can set sub-options

[linfengjjj]

MaxKB Version

v1.9.1

Please describe your needs or suggestions for improvements

类似于子选项，表单收集是多选框的时候，多选框选项有身高、体重、姓名等参数，当我选了身高后，就再出现一个____CM的子选项输入框，当我第一个选项选体重的时候，就出现一个填____KG的输入框，后续可以规划么。

Please describe the solution you suggest

No response

Additional Information

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