fix: 修复多轮回答时，问题重复的bug

src/components/DialogWrap.vue

@@ -32,7 +32,6 @@
 
           <div class="dialog-footer" v-if="item?.question">
             <Question 
-              v-once
               :question="item.question"                 
               :index="key" 
               :chat_id="dialogId"