调整简答题答题数据格式

src/views/exercise_questions/preview/ShortAnswerPreview.vue

@@ -19,7 +19,7 @@
       type="textarea"
       :autosize="{ minRows: 6, maxRows: 36 }"
     />
-    <SoundRecordPreview :wav-blob.sync="answer.answer_list[0].voice_file_id" />
+    <SoundRecordPreview :wav-blob.sync="answer.answer_list[0].audio_file_id" />
 
     <div v-if="disabled" class="reference-answer">
       <div class="title">参考答案</div>
@@ -39,7 +39,7 @@ export default {
   },
   mixins: [PreviewMixin],
   created() {
-    this.$set(this.answer.answer_list, 0, { text: '', voice_file_id: '' });
+    this.$set(this.answer.answer_list, 0, { text: '', audio_file_id: '' });
   },
   methods: {},
 };