bug fixes

src/modules/viewer/index.vue

@@ -104,9 +104,9 @@ export default {
     // 章节列表
     chapters() {
       const chapters = this.detail.chapters || []
-      if (!chapters.length) {
-        return []
-      }
+      // if (!chapters.length) {
+      //   return []
+      // }
       const customeChapter = {
         name: this.$t('viewerMain.workData'),
         children: [