修改冗余代码

src/stage/index/scene/CourseScene.js

@@ -349,24 +349,17 @@ class CourseScene extends scene {
 
 		if (e.target.con.classList.contains('img-wrapper') || e.target.con.classList.contains('text-wrapper')) {
 			// 课件模版 COURSE_WARE_VIDEO（课视频模版）  COURSE_WARE_LIST（课列表）
+
       var targetSeq =(e.target.id).split("lesson-btn-")[1];
       let downloadElements = document.getElementsByClassName('download-btn-lesson-list-ongoing');
 			for ( let i = 0;i< downloadElements.length;i++) {
         let goingAeq =  downloadElements[i].getAttribute("data-seq");
         if( targetSeq == goingAeq ) {
           this.showScene(require('./DownloadTipScene.js'), {});
+          return;
         }
       }
 
-      if (e.target.con.classList.contains('text-wrapper')) {
-        let i = 0;
-        for (i < e.target.parentWidget.childWidgets; i++;) {
-          if(e.target.parentWidget.childWidgets[i].con.classList.contains('download-btn-lesson-list-ongoing') || e.target.parentWidget.childWidgets[i].con.classList.contains('download-btn-lesson-icon-ready')) {
-            this.showScene(require('./DownloadTipScene.js'), {});
-            return;
-          }
-        }
-      }
 
 			let id = e.target.con.dataset.id;
       //检查课的权限