修正弹窗遮罩问题

src/views/book/courseware/create/components/common/FillDescribe.vue

@@ -5,6 +5,8 @@
     top="38vh"
     :show-close="false"
     :close-on-click-modal="false"
+    :modal-append-to-body="true"
+    :append-to-body="true"
     @close="dialogClose"
   >
     <el-input v-model="file.title" autocomplete="off" placeholder="标题" maxlength="20" :show-word-limit="true" />