diff --git a/src/views/portal/course/rePreview.vue b/src/views/portal/course/rePreview.vue
index cb846d95..1f99cc93 100644
--- a/src/views/portal/course/rePreview.vue
+++ b/src/views/portal/course/rePreview.vue
@@ -360,17 +360,25 @@ export default {
             }
       } else if(r.contentType == 40) {
          //let url = this.fileBaseUrl + r.content;
-         if(r.content!='' && r.content.indexOf('.pdf')==-1){
-             apiCourseFile.detail(r.contentRefId).then(cfrs=>{
-               if(cfrs.status==200){
-                  r.content=cfrs.result.previewFilePath;
-                  //console.log(r.content);
-               }else{
-                  $this.$message.error('加载pdf课件文件失败');
-               }
-             });
-         }
-
+        if(r.content!='' && r.content.indexOf('.pdf')==-1){
+          apiCourseFile.detail(r.contentRefId).then(cfrs=>{
+            if(cfrs.status==200){
+              r.content=cfrs.result.previewFilePath;
+              //console.log(r.content);
+            }else{
+              $this.$message.error('加载pdf课件文件失败');
+            }
+          });
+        }
+        if(r.content==''){
+          apiCourseFile.detail(r.contentRefId).then(cfrs=>{
+            if(cfrs.status==200){
+              r.content=cfrs.result.previewFilePath;
+            }else{
+              $this.$message.error('加载pdf课件文件失败');
+            }
+          });
+        }
       }
       this.contentData = r;
     },