diff --git a/src/views/portal/course/Micro.vue b/src/views/portal/course/Micro.vue
index 568a0576..47563269 100644
--- a/src/views/portal/course/Micro.vue
+++ b/src/views/portal/course/Micro.vue
@@ -135,12 +135,18 @@
                   </div>
                   <div style="display: flex;align-items: center;padding-top: 15px;">
                     <div @click="praiseContent" style="cursor: pointer;">
-                      <img class="icon-small" v-if="isPraise" :src="require('@/assets/images/icon/praise-active.png')">
-                      <img class="icon-small" v-else :src="require('@/assets/images/icon/praise.png')"><span style="margin-left: 5px;color: #666666;font-size: 18px;">{{courseInfo.praises}}</span>
+                      <el-tooltip class="item" effect="light" :content="isPraise?'取消点赞':'点赞'" placement="top-start">
+                        <img class="icon-small" v-if="isPraise" :src="require('@/assets/images/icon/praise-active.png')">
+                        <img class="icon-small" v-else :src="require('@/assets/images/icon/praise.png')">
+                      </el-tooltip>
+                      <span style="margin-left: 5px;color: #666666;font-size: 18px;">{{courseInfo.praises}}</span>
                     </div>
                     <div style="margin-left: 15px;cursor: pointer;" @click="treadContent">
-                      <img class="icon-small" v-if="isTrample" :src="require('@/assets/images/icon/trample-active.png')">
-                      <img class="icon-small" v-else :src="require('@/assets/images/icon/trample.png')"><span style="margin-left: 5px;color: #666666;font-size: 18px;">{{courseInfo.trampleCount}}</span>
+                      <el-tooltip class="item" effect="light" :content="isTrample?'取消踩':'踩'" placement="top-start">
+                        <img class="icon-small" v-if="isTrample" :src="require('@/assets/images/icon/trample-active.png')">
+                        <img class="icon-small" v-else :src="require('@/assets/images/icon/trample.png')">
+                      </el-tooltip>
+                        <span style="margin-left: 5px;color: #666666;font-size: 18px;">{{courseInfo.trampleCount}}</span>
                     </div>
                   </div>
                 </div>
diff --git a/src/views/study/PortalIndex.vue b/src/views/study/PortalIndex.vue
index 0d4e74b2..2d36577e 100644
--- a/src/views/study/PortalIndex.vue
+++ b/src/views/study/PortalIndex.vue
@@ -132,13 +132,17 @@
               </div>
               <div style="display: flex;justify-content: flex-end;cursor: pointer;">
                 <div @click="praiseContent">
-                  <img class="icon-small" v-if="isPraise" :src="require('@/assets/images/icon/praise-active.png')" />
-                  <img class="icon-small" v-else :src="require('@/assets/images/icon/praise.png')" />
+                  <el-tooltip class="item" effect="light" :content="isPraise?'取消点赞':'点赞'" placement="top-start">
+                    <img class="icon-small" v-if="isPraise" :src="require('@/assets/images/icon/praise-active.png')" />
+                    <img class="icon-small" v-else :src="require('@/assets/images/icon/praise.png')" />
+                  </el-tooltip>
                   {{ courseInfo.praises }}
                 </div>
                 <div style="margin-left: 15px;" @click="treadContent">
+                 <el-tooltip class="item" effect="light" :content="isTrample?'取消踩':'踩'" placement="top-start">
                   <img class="icon-small" v-if="isTrample" :src="require('@/assets/images/icon/trample-active.png')" />
                   <img class="icon-small" v-else :src="require('@/assets/images/icon/trample.png')" />
+                 </el-tooltip>
                   {{ courseInfo.trampleCount }}
                 </div>
               </div>
@@ -257,8 +261,8 @@ import pdfPreview from '@/components/PdfPreview/index.vue';
 import audioPlayer from '@/components/AudioPlayer/index.vue';
 import videoPlayer from '@/components/VideoPlayer/index.vue';
 import hyperLink from '@/components/Course/hyperLink.vue';
-import studyUtil from '@/utils/study.js';
-import {encrypt} from '@/utils/jsencrypt.js';
+import studyUtil from '@/utils/study.js';
+import {encrypt} from '@/utils/jsencrypt.js';
 import cookies from 'vue-cookies'
 export default {
   name: 'ucStudyIndex',
@@ -345,22 +349,22 @@ export default {
       return treeList;
     }
   },
-  methods: {
-    createPlayUrl(fid,u){
-      let nowDate=new Date();
-      let ctime=parseInt(nowDate.getTime()/1000);
-      let beforeUrl=parseInt(nowDate.getTime()/1000)+'/'+fid;
-      //console.log(beforeUrl,'beforeUrl');
-      let urlSign=encodeURIComponent(encrypt(beforeUrl));
-      //console.log(urlSign,'urlSign');
-      cookies.set('PLAYSIGN_TIME', ctime);//写客户端的cookie保存
-      //以下判断是为了区分本地环境和服务器环境
-      if(process.env.NODE_ENV == 'development'){
-        this.blobUrl=process.env.VUE_APP_FILE_BASE_URL+u;
-      }else{
-        this.blobUrl=process.env.VUE_APP_BASE_API+'/xboe/m/course/cware/resource?sign='+urlSign;
-      }
-      console.log(this.blobUrl,'this.blobUrl');
+  methods: {
+    createPlayUrl(fid,u){
+      let nowDate=new Date();
+      let ctime=parseInt(nowDate.getTime()/1000);
+      let beforeUrl=parseInt(nowDate.getTime()/1000)+'/'+fid;
+      //console.log(beforeUrl,'beforeUrl');
+      let urlSign=encodeURIComponent(encrypt(beforeUrl));
+      //console.log(urlSign,'urlSign');
+      cookies.set('PLAYSIGN_TIME', ctime);//写客户端的cookie保存
+      //以下判断是为了区分本地环境和服务器环境
+      if(process.env.NODE_ENV == 'development'){
+        this.blobUrl=process.env.VUE_APP_FILE_BASE_URL+u;
+      }else{
+        this.blobUrl=process.env.VUE_APP_BASE_API+'/xboe/m/course/cware/resource?sign='+urlSign;
+      }
+      console.log(this.blobUrl,'this.blobUrl');
     },
     widthOpen(url) {
       window.open(url, '_blank');
@@ -822,14 +826,14 @@ export default {
         // if (r.content != '' && r.content.indexOf('.pdf') == -1) {
           apiCourseFile.detail(r.contentRefId).then(cfrs => {
             if (cfrs.status == 200) {
-              r.content = cfrs.result.previewFilePath;
+              r.content = cfrs.result.previewFilePath;
               this.curCFile = cfrs.result;
               if(cfrs.result.previewFilePath == '' && cfrs.result.filePath.indexOf('pdf') > -1) {
-                r.content = cfrs.result.filePath;
+                r.content = cfrs.result.filePath;
+                this.curCFile.converStatus=2;
+              }
+              if(r.content && r.content.indexOf('.pdf')>-1){
                 this.curCFile.converStatus=2;
-              }
-              if(r.content && r.content.indexOf('.pdf')>-1){
-                this.curCFile.converStatus=2;
               }
             } else {
               $this.$message.error('加载pdf课件文件失败');