在运用kbone过程中发现submit按钮转换后失去了功能 ``` <template> <div> <form @submit.prevent="addTodo"> <input type="text" v-model="title" name="title" placeholder="Add Todo..."> <input type="submit" value="Submit" class="btn"> </form> </div> </template> ``` <img src="https://i.ibb.co/HVQMWrS/Screen-Shot-2020-05-11-at-8-06-44-pm.png" alt="Screen-Shot-2020-05-11-at-8-06-44-pm" border="0">