大作业根据接口返回显示隐藏；修复课程讲师文字重叠的问题;

src/action/CourseAction.js

@@ -184,7 +184,7 @@ export default class CourseAction extends BaseACTION {
           }
         })
       }
-      json.tabs1ChapterList.course.push({
+      cur.curriculum.curriculum_essay && json.tabs1ChapterList.course.push({
         title: _vIn.$t('action.courseAction.courseWork'),
         isUp: true,
         chapters: [],

src/modules/viewer/index.vue

@@ -110,11 +110,15 @@ export default {
       const customeChapter = {
         name: this.$t('viewerMain.workData'),
         children: [
-          { name: this.$t('viewerMain.courseWork'), id: 'course_work', type: 99 },
+          // { name: this.$t('viewerMain.courseWork'), id: 'course_work', type: 99 },
           { name: this.$t('viewerMain.courseData'), id: 'course_info', type: 100 },
           { name: this.$t('viewerMain.teachingEvaluation'), id: 'teach_evaluation', type: 102 }
         ]
       }
+      // 课程大作业
+      if (this.detail.curriculum.curriculum_essay) {
+        customeChapter.children.unshift({ name: this.$t('viewerMain.courseWork'), id: 'course_work', type: 99 })
+      }
       // 课程考试
       if (this.detail.course_examination) {
         customeChapter.children.push({

src/pages/learn/courseDetail.vue

@@ -1157,9 +1157,6 @@ body .el-tab-pane {
   }
 
   .list-teacher .ctx .top-ctx {
-    position: absolute;
-    top: 0;
-    width: 100%;
     overflow: hidden;
   }
 
@@ -1172,9 +1169,6 @@ body .el-tab-pane {
   }
 
   .list-teacher .ctx .bottom-ctx {
-    display: block;
-    padding-top: 0.2rem;
-    width: 100%;
     overflow: hidden;
   }