Mini Program parent page passes the value to the child component is empty?

parent page cannot be passed in this way
this.setData({
    modify_model: JSON.parse(options.modify_model)
  })
 
in this way, you can pass. What is the reason? did you leave before the implementation of the above? How to solve
  this.setData({
    modify_model: [1234]
  })
  
  <add_mininote  modify_model="{{modify_model}}" ></add_mininote>
Mar.11,2021
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