Vue functioneaza doar pe primul element, pe al doilea nu

Salut,

Am rezolvat o problema si acum intampin alta… Am niste prescriptii si imi functioneaza vue-ul doar pentru prima (primul rand). Pe a doua prescriptie nu functioneaza. De ce? Sa fiu mai explict atasez 2 poze: https://imgur.com/b45QlU3 Aici imi functioneaza vue-ul si imi apare “add” si “remove”, iar aici pe a doua prescriptie nu mai apare https://imgur.com/S79Gq5M
Aici am vue-ul:


<template>
    <div>
        <div class="form-group" v-for="(input,index) in inputs" :key="index">
            <input type="text" name="medicine[]" class="form-control">
            <span>
                <a href="" @click.prevent="add(index)" v-show="index== inputs.length-1" style="color: green;">Add</a>
            

                <a href="" @click.prevent="remove(index)" v-show="index||(!index &&inputs.length >1)" style="color: red;">Remove</a>
            </span>
        </div>
    </div>
</template>

<script type="text/javascript">
    export default{
        data(){
            return{
                inputs:[{}]
            }
        },
        methods:{
            add(){
                this.inputs.push({
                    medicine:''
                })
            },
            remove(index)
            {
                this.inputs.splice(index,1)
            }
        }

    }
</script>

si aici e html-ul:

@if(count($bookings)>0)
<!-- Modal -->
<div class="modal fade" id="exampleModal{{$booking->user_id}}" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
  <div class="modal-dialog modal-lg">
    <form action="{{route('prescription')}}" method="post">@csrf
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="exampleModalLabel">Prescription</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body" id="app">

        <input type="hidden" name="user_id" value="{{$booking->user_id}}">
        <input type="hidden" name="doctor_id" value="{{$booking->doctor_id}}">
        <input type="hidden" name="date" value="{{$booking->date}}">
        
        <div class="form-group">
            <label>Disease</label>
            <input type="text" name="name_of_disease" class="form-control" required="">
        </div>
          <div class="form-group">
            <label>Symptoms</label>
         
            <textarea name="symptoms" class="form-control" placeholder="symptoms" required=""></textarea>
        </div>

        <div class="form-group">
          <label>Medicine</label>
          <add-btn></add-btn>
          
        </div>
          <div class="form-group">
            <label>Procedure to use medicine</label>
           
              <textarea name="procedure_to_use_medicine" class="form-control" placeholder="Procedure to use medicine" required=""></textarea>
        </div>
          <div class="form-group">
            <label>Feedback</label>
            
            <textarea name="feedback" class="form-control" placeholder="feedback" required=""></textarea>


        </div>
        <div class="form-group">
            <label>Signature</label>
            <input type="text" name="signature" class="form-control" required="">
        </div>


      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
        <button type="submit" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </form>
  </div>
</div>
@endif