嵌入课程，pdf文档，课程管理中查看的问题

src/views/course/Courseware.vue

@@ -779,6 +779,10 @@ export default {
           this.$message({type: 'error',message: 'SCORM包解析失败'});
         }
 
+      }else if(row.resType==40){
+        if(!row.previewFilePath){
+          row.previewFilePath=row.filePath;
+        }
       }
       //console.log(row, 'row');
       this.coursewareShow = true;