问题出现的概率很高

<textarea class="essentials-info"

        model:value="{{essentialsValue}}"

        bindinput="essentialsChange" 

        placeholder-class="placeholder-style" 

        maxlength="{{200}}"

        disable-default-padding

></textarea>

<view class="add-equipment" bindtap="addEquipment"></view>

addEquipment () {

console.log(this.data.essentialsValue)

}