diff --git a/src/api/index.js b/src/api/index.js
index b6510d9..5be0fe6 100644
--- a/src/api/index.js
+++ b/src/api/index.js
@@ -3,10 +3,9 @@ import Setting from "@/setting";
 // let host = `${Setting.apiBaseURL}evaluation/`;
 let loginhost = `${Setting.apiBaseURL}liuwanr/`;
 
-// let host = "http://192.168.31.151:9000/"; // 榕
+let host = "http://192.168.31.151:9000/"; // 榕
 // let host = "http://192.168.31.137:9000/"; // 赓
-
-let host = "http://39.108.250.202:9000/"; // 测试服
+// let host = "http://39.108.250.202:9000/"; // 测试服
 
 export default {
     host,
@@ -16,8 +15,10 @@ export default {
     verification: `${host}users/users/user/captcha`,// 验证码图片
 
     //实验台
-    curriculumChapter: `${host}nakadai/curriculum/chapter/queryChaptersAndSubsections`, //
     curriculumDetail: `${host}nakadai/nakadai/curriculum/curriculumDetail`, // 课程详情
+    curriculumChapter: `${host}nakadai/curriculum/chapter/queryChaptersAndSubsections`, // 根据课程id查询章节小节,树状结构
+    curriculumGetSubsection: `${host}nakadai/curriculum/subsection/getSubsection`, // 根据小节id获取预览文件地址
+
 
     // 能力测评
     canExperiment: `${host}occupationlab/occupationlab/evaluationrecord/can_experiment`, // 查询是否能够开启实验
diff --git a/src/pages/ass/list/index.vue b/src/pages/ass/list/index.vue
index 09ac3fb..862b0d8 100644
--- a/src/pages/ass/list/index.vue
+++ b/src/pages/ass/list/index.vue
@@ -86,21 +86,24 @@
                         <span>{{ scope.row.countDown | timeFilter }}</span>
                     </template>
                 </el-table-column>
-                <el-table-column label="实验状态" align="center">
+                <el-table-column label="考核状态" align="center">
                     <template slot-scope="scope">
                         <span class="ellipsis">{{ status[scope.row.status] }}</span>
                     </template>
                 </el-table-column>
+                <el-table-column label="实验状态" align="center">
+                    <template slot-scope="scope">
+                        <span class="ellipsis">{{ stuState[scope.row.stuState] }}</span>
+                    </template>
+                </el-table-column>
                 <el-table-column label="操作" align="center">
                     <template slot-scope="scope">
                         <!--status:考核状态(0、待开始 1、进行中 2、已结束); stuState:学生考试状态(0、未考 1、在考 2、已考)-->
-                        <el-button v-if="scope.row.status === 2 && scope.row.stuState === 0" type="text" disabled>未参加
-                        </el-button>
-                        <el-button v-if="scope.row.status !== 2 && scope.row.stuState === 0" type="text"
+                        <el-button v-if="scope.row.status === 2 && scope.row.stuState === 0" type="text" disabled>未参加</el-button>
+                        <el-button v-if="scope.row.status !== 2 && (scope.row.stuState === 0 || scope.row.stuState === 1)" type="text"
                                    @click="entry(scope.row)" :disabled="scope.row.status !== 1">进入
                         </el-button>
-                        <el-button v-if="scope.row.status === 1 && scope.row.stuState === 2" type="text" disabled>已提交
-                        </el-button>
+                        <el-button v-if="scope.row.status === 1 && scope.row.stuState === 2" type="text" disabled>已提交</el-button>
                         <el-button v-if="scope.row.status === 2 && scope.row.stuState === 2" type="text"
                                    @click="show(scope.row)">查看成绩
                         </el-button>
@@ -140,7 +143,7 @@ export default {
             classList: [],
             courseList: [],
             host: Setting.apiBaseURL,
-            status: ["待开始", "进行中", "已完成"],
+            status: ["待开始", "进行中", "已结束"],
             statusList: [{
                 name: "不限",
                 value: ""
@@ -151,9 +154,10 @@ export default {
                 name: "进行中",
                 value: 1
             }, {
-                name: "已完成",
+                name: "已结束",
                 value: 2
             }],
+            stuState: ["未考", "在考", "已考"],
             listData: [],
             date: [],
             form: {
@@ -250,10 +254,16 @@ export default {
         beginTimer() {
             this.ticker = setInterval(() => {
                 for (let i = 0; i < this.listData.length; i++) {
-                    console.log(i);
                     const item = this.listData[i];
-                    if (item.countDown && item.countDown > 0) {
+                    if (item.countDown > 0) {
                         item.countDown--;
+                    } else {
+                        if (item.status === 0 && item.type === 2) { // 待开始-定时发布
+                            item.status = 1;
+                            item.countDown = (new Date(item.stopTime).getTime() - new Date().getTime()) / 1000;
+                        } else if (item.status === 1) {
+                            item.status = 2;
+                        }
                     }
                     this.$set(this.listData, i, item);
                 }
@@ -275,12 +285,24 @@ export default {
                     this.listData.forEach(i => {
                         if (i.status === 2) { // 已结束
                             i.countDown = 0;
-                        } else if (i.status === 1) { // 进行中
-                            i.countDown = (new Date(i.stopTime).getTime() - new Date().getTime()) / 1000;
-                            // console.log(1, i.countDown);
-                        } else if (i.status === 0) { // 待开始
-                            i.countDown = (new Date(i.startTime).getTime() - new Date().getTime()) / 1000; // 获得两个日期时间的秒数差
-                            // console.log(0, i.countDown);
+                        } else {
+                            if (i.type === 2) { // 定时发布
+                                if (i.status === 0) {
+                                    // 待开始
+                                    i.countDown = (new Date(i.startTime).getTime() - new Date().getTime()) / 1000; // 获得两个日期时间的秒数差
+                                } else if (i.status === 1) {
+                                    // 进行中
+                                    i.countDown = (new Date(i.stopTime).getTime() - new Date().getTime()) / 1000;
+                                }
+                            } else if (i.type === 1) { // 手动发布
+                                if (i.status === 0) {
+                                    // 待开始
+                                    i.countDown = 0;
+                                } else if (i.status === 1) {
+                                    // 进行中
+                                    i.countDown = (new Date(i.stopTime).getTime() - new Date().getTime()) / 1000;
+                                }
+                            }
                         }
                     });
                     this.beginTimer();
diff --git a/src/pages/course/details/index.vue b/src/pages/course/details/index.vue
index 8b46b10..81e3ca6 100644
--- a/src/pages/course/details/index.vue
+++ b/src/pages/course/details/index.vue
@@ -5,8 +5,8 @@
                 <el-page-header @back="goBack" :content="'课程详情'"></el-page-header>
             </div>
         </el-card>
-        <el-card shadow="hover" class="m-b-20">
-            <div class="flex p-40">
+        <el-card shadow="hover" class="m-b-20" style="background: none;">
+            <div class="flex">
                 <div class="cover" :class="{'is-word': showMask1}">
                     <img v-if="coverUrl" :src="coverUrl" alt="" width="100%" height="100%">
                     <template v-else-if="iframeSrc">
diff --git a/src/pages/station/preview/index.vue b/src/pages/station/preview/index.vue
index 5162061..e8a429e 100644
--- a/src/pages/station/preview/index.vue
+++ b/src/pages/station/preview/index.vue
@@ -5,9 +5,10 @@
                 <el-page-header @back="goBack" :content="curriculumName"></el-page-header>
             </div>
         </el-card>
-        <el-card shadow="hover" class="m-b-20">
-            <div class="flex p-40">
+        <el-card shadow="hover" class="m-b-20" style="background: none;">
+            <div class="flex">
                 <div class="cover" :class="{'is-word': showMask1}">
+                    <!--实验台不显示课程封面-->
                     <img v-if="coverUrl" :src="coverUrl" alt="" width="100%" height="100%">
                     <template v-else-if="iframeSrc">
                         <iframe class="inner fileIframe" id="fileIframe" :src="iframeSrc" frameborder="0"></iframe>
@@ -46,7 +47,7 @@
                     </div>
                 </div>
                 <div class="catalog flex-1">
-                    <div style="padding: 0 16px">
+                    <div class="m-b-20">
                         <el-button type="primary" style="width: 100%; height: 50px; font-size: 18px">进 入 实 验</el-button>
                     </div>
                     <div class="list">
@@ -70,16 +71,18 @@
 
         <el-card shadow="hover" class="m-b-20">
             <h4 style="margin-bottom: 10px">课程简介</h4>
-            <p>{{ briefIntroduction }}123</p>
+            <p>{{ briefIntroduction }}</p>
         </el-card>
         <el-card shadow="hover" class="m-b-20">
             <h4 style="margin-bottom: 10px">课程目标</h4>
             <p>{{ teachingObjectives }}</p>
         </el-card>
+        <!--
         <el-card shadow="hover" class="m-b-20">
             <h4 style="margin-bottom: 10px">课程进度</h4>
             <el-progress :text-inside="true" :stroke-width="16" :percentage="70"></el-progress>
         </el-card>
+        -->
     </div>
 </template>
 
@@ -144,13 +147,17 @@ export default {
         async getData() {
             let { data } = await this.$post(`${this.api.curriculumDetail}?cid=${this.courseId}`);
             this.courseName = data.curriculumName;
-            this.coverUrl = data.coverUrl;
+            // this.coverUrl = data.coverUrl;
             this.briefIntroduction = data.briefIntroduction;
             this.teachingObjectives = data.teachingObjectives;
         },
         async getChapter() {
             let res = await this.$get(`${this.api.curriculumChapter}/${this.courseId}`);
             this.videoList = res.chapterList;
+            if (this.videoList.length && this.videoList[0].subsectionList && this.videoList[0].subsectionList.length) {
+                // console.log(this.videoList[0].subsectionList[0]);
+                this.preview(this.videoList[0].subsectionList[0]);
+            }
         },
         // 插入阿里云播放器脚本
         insertScript() {
@@ -210,7 +217,7 @@ export default {
                 this.pdfSrc = row.fileUrl;
                 this.pdfVisible = true;
             } else {
-                this.$get(`${this.api.getSubsection}/${row.id}`).then(res => {
+                this.$get(`${this.api.curriculumGetSubsection}/${row.id}`).then(res => {
                     if (row.fileType == "pptx") {
                         this.isPPT = true;
                         this.isWord = false;
@@ -356,7 +363,7 @@ $height: 700px;
     margin-left: 40px;
 }
 .list{
-    height: calc(700px - 50px) ;
+    height: calc(700px - 70px) ;
     overflow-y: auto;
     padding: 24px 16px;
     background: #fff;