diff --git a/src/components/Course/auditCourse1.vue b/src/components/Course/auditCourse1.vue
index edf1a8c0..979eb012 100644
--- a/src/components/Course/auditCourse1.vue
+++ b/src/components/Course/auditCourse1.vue
@@ -594,19 +594,23 @@ export default {
               }
               if($this.coursewareInfo.content.contentType == 40) {
                 //console.log(con.content,'con.content');
-                if(con.content != '' && con.content.indexOf('.pdf') > -1) {
-                    $this.coursewareInfo.content.content = con.content;
-                }else {
+                // if(con.content != '' && con.content.indexOf('.pdf') > -1) {
+                //     $this.coursewareInfo.content.content = con.content;
+                // }else {
                    apiCourseFile.detail(con.contentRefId).then(cfrs => {
                        if (cfrs.status == 200) {
-                         $this.curCFile=cfrs.result;
-                         $this.converStatus = cfrs.result.converStatus;
                          $this.coursewareInfo.content.content = cfrs.result.previewFilePath;
+                        if(cfrs.result.previewFilePath == '' && cfrs.result.filePath.indexOf('pdf') > -1) {
+                          $this.coursewareInfo.content.content = cfrs.result.filePath;
+                        } else {
+                          $this.curCFile=cfrs.result;
+                          $this.converStatus = cfrs.result.converStatus;
+                        }
                        } else {
                          $this.$message.error('加载pdf课件文件失败');
                        }
                    });
-                }
+                // }
               }
             } else if (con.sortIndex == 2) {
               $this.homeworkInfo = con;
diff --git a/src/components/Course/auditCourse2.vue b/src/components/Course/auditCourse2.vue
index 9c79582d..7eb77481 100644
--- a/src/components/Course/auditCourse2.vue
+++ b/src/components/Course/auditCourse2.vue
@@ -650,21 +650,25 @@ export default {
       }
       } else if(r.contentType == 40) {
         this.contentData.content="";
-        if (r.content != '' && r.content.indexOf('.pdf') > -1) {
-          this.contentData.content = cfrs.result.previewFilePath;
-        }else{
+        // if (r.content != '' && r.content.indexOf('.pdf') > -1) {
+        //   // this.contentData.content = cfrs.result.previewFilePath;
+        // }else{
           apiCourseFile.detail(r.contentRefId).then(cfrs => {
             if (cfrs.status == 200) {
-              this.curCFile=cfrs.result;
-              this.converStatus = cfrs.result.converStatus;
               this.contentData.content = cfrs.result.previewFilePath;
+              if(cfrs.result.previewFilePath == '' && cfrs.result.filePath.indexOf('pdf') > -1) {
+                this.contentData.content = cfrs.result.filePath;
+              } else {
+                this.converStatus = cfrs.result.converStatus;
+                this.curCFile=cfrs.result;
+              }
               //console.log(r.content);
             }else {
               this.contentData.content="";
               this.$message.error('加载pdf课件文件失败');
             }
           });
-        }
+        // }
       }
       this.type = 0;
     },
diff --git a/src/components/Course/weikeContent.vue b/src/components/Course/weikeContent.vue
index 06ba2c8c..49cb2704 100644
--- a/src/components/Course/weikeContent.vue
+++ b/src/components/Course/weikeContent.vue
@@ -738,11 +738,15 @@
         }else{
           apiCourseFile.detail(this.cware.content.contentRefId).then(rs=>{
              if(rs.status==200){
-               this.curCFile=rs.result;
-               this.converStatus = rs.result.converStatus;
                this.courseFileShow = false;
                this.cware.content.pdfPath=rs.result.previewFilePath;
-               this.$forceUpdate();
+              if(rs.result.previewFilePath == '' && rs.result.filePath.indexOf('pdf') > -1) {
+                 this.cware.content.pdfPath = rs.result.filePath;
+                } else {
+                 this.curCFile=rs.result;
+                 this.converStatus = rs.result.converStatus;
+              }
+                this.$forceUpdate();
              }
           });
         }
diff --git a/src/views/portal/course/Micro.vue b/src/views/portal/course/Micro.vue
index da23d7ff..50f42ca5 100644
--- a/src/views/portal/course/Micro.vue
+++ b/src/views/portal/course/Micro.vue
@@ -290,6 +290,7 @@ import courseImage from "@/components/Course/courseImage.vue";
 import studyUtil from '@/utils/study.js';
 import {encrypt} from '@/utils/jsencrypt.js';
 import cookies from 'vue-cookies'
+import { log } from 'util';
 export default {
   name: "micro",
   components: {
@@ -311,7 +312,9 @@ export default {
   },
   data() {
     return {
-      curCFile:{},
+      curCFile:{
+        converStatus:4,
+      },
       sex:null,
       playerBoxShow:false,
       userAvatarText,
@@ -444,16 +447,22 @@ export default {
 
             } else if (con.contentType == 40) {
               //需要读取pdf的路径
-              if($this.coursewareInfo.content.content!='' && $this.coursewareInfo.content.content.indexOf('.pdf')==-1){
+              // if($this.coursewareInfo.content.content!='' && $this.coursewareInfo.content.content.indexOf('.pdf')==-1){
                   apiCourseFile.detail($this.coursewareInfo.content.contentRefId).then(cfrs=>{
                     if(cfrs.status==200){
-                      this.curCFile = cfrs.result;
+                      // this.curCFile = cfrs.result;
                       $this.coursewareInfo.content.content=cfrs.result.previewFilePath;
+                       if(cfrs.result.previewFilePath == '' && cfrs.result.filePath.indexOf('pdf') > -1) {
+                        $this.coursewareInfo.content.content = cfrs.result.filePath;
+                        } else {
+                        $this.curCFile=rs.result;
+                        // this.converStatus = rs.result.converStatus;
+                      }
                     }else{
                        $this.$message.error('加载pdf课件文件失败');
                     }
                   });
-              }
+              // }
               //let url = this.fileBaseUrl + r.content;
             }else if(con.contentType ==52){
               if(con.content.startsWith('\{')){
diff --git a/src/views/study/PortalIndex.vue b/src/views/study/PortalIndex.vue
index b4b702e4..010ed9ec 100644
--- a/src/views/study/PortalIndex.vue
+++ b/src/views/study/PortalIndex.vue
@@ -263,7 +263,9 @@ export default {
   components: { courseImage, portalHeader, portalFooter, hyperLink, comments, homework, exam, interactBar, assess, pdfPreview, audioPlayer, videoPlayer },
   data() {
     return {
-      curCFile:{},
+      curCFile:{
+        converStatus:4,
+      },
       interactRuning:false,
       playerBoxShow:false,
       userAvatarText,
@@ -820,9 +822,10 @@ export default {
           apiCourseFile.detail(r.contentRefId).then(cfrs => {
             if (cfrs.status == 200) {
               r.content = cfrs.result.previewFilePath;
-              this.curCFile = cfrs.result;
               if(cfrs.result.previewFilePath == '' && cfrs.result.filePath.indexOf('pdf') > -1) {
                 r.content = cfrs.result.filePath;
+              } else {
+                this.curCFile = cfrs.result;
               }
             } else {
               $this.$message.error('加载pdf课件文件失败');