diff --git a/src/pages/achievement/list/index.vue b/src/pages/achievement/list/index.vue
index 1ce7f1c..9c196a1 100644
--- a/src/pages/achievement/list/index.vue
+++ b/src/pages/achievement/list/index.vue
@@ -80,7 +80,7 @@
             <el-table-column prop="projectName" label="项目名称" align="center" min-width="400"></el-table-column>
             <el-table-column prop="projectPermissions" label="分类" align="center" min-width="100">
                 <template slot-scope="scope">
-                    {{ scope.row.permissions == 2 ? "竞赛" : projectType.find(n => n.id === scope.row.permissions).name }}
+                    {{ projectPermissions ? '考核' : '练习' }}
                 </template>
             </el-table-column>
             <el-table-column prop="experimentalNumber" label="成绩报告数量" align="center" min-width="100"></el-table-column>
diff --git a/src/pages/course/contentSettings/index.vue b/src/pages/course/contentSettings/index.vue
index de42663..d89cd6d 100644
--- a/src/pages/course/contentSettings/index.vue
+++ b/src/pages/course/contentSettings/index.vue
@@ -342,9 +342,10 @@ export default {
             this.$router.push("course");
         },
         transferType(ext) {
-            if ("jpg,jpeg,png,gif,svg,psd".includes(ext)) return "图片";
-            if ("mp4,3gp,mov,m4v,avi,dat,mkv,flv,vob,rmvb,rm,qlv".includes(ext)) return "视频";
-            return ext;
+            const suf = ext.toLowerCase()
+            if ("jpg,jpeg,png,gif,svg,psd".includes(suf)) return "图片";
+            if ("mp4,3gp,mov,m4v,avi,dat,mkv,flv,vob,rmvb,rm,qlv".includes(suf)) return "视频";
+            return suf;
         },
         addChapter() {
             this.chapterName = "";
diff --git a/src/pages/station/preview/index.vue b/src/pages/station/preview/index.vue
index f4da620..eef1759 100644
--- a/src/pages/station/preview/index.vue
+++ b/src/pages/station/preview/index.vue
@@ -188,7 +188,6 @@ export default {
         },
         preview(row, chapterName) {
             this.curLink = `${chapterName}${row.name}`; // 章节名称+小节名称，小节名称有重复的情况，如果只用小节名称判断，会有同时选中多个的情况
-            this.player = null;
             this.playauth = "";
             this.coverUrl = "";
             this.pdfSrc = "";
@@ -199,6 +198,11 @@ export default {
             if (this.transferType(row.fileType) == "视频") {
                 this.$get(`${this.api.getPlayAuth}/${row.fileId}`).then(res => {
                     this.playAuth = res.data.playAuth;
+                    // 如果已经产生了实例，则销毁重新创建，不然播放器会播放上一个视频
+                    if (this.player) {
+                        this.player.dispose()
+                        this.player = null
+                    }
                     this.$nextTick(() => {
                         if (this.player) {
                             this.player.replayByVidAndPlayAuth(row.fileId, this.playAuth);
diff --git a/src/setting.js b/src/setting.js
index 60ff857..81ad999 100644
--- a/src/setting.js
+++ b/src/setting.js
@@ -40,8 +40,8 @@ if (isHh) {
     jumpPath = "http://192.168.31.125:8087/";
     bankPath = `http://192.168.31.125:8093`
     // host = "http://www.occupationlab.com:9000/";//线上
-    // host = "http://39.108.250.202:9000/"; // 中台测试服
-    host = "http://192.168.31.151:9000/"; // 榕
+    host = "http://39.108.250.202:9000/"; // 中台测试服
+    // host = "http://192.168.31.151:9000/"; // 榕
     // host = 'http://192.168.31.137:9000/'; // 赓
     title = "职站服务端管理系统";
 } else {