diff --git a/src/components/page/Backstage.vue b/src/components/page/Backstage.vue
index bfa0ca9..d25f029 100644
--- a/src/components/page/Backstage.vue
+++ b/src/components/page/Backstage.vue
@@ -95,7 +95,7 @@ export default {
             let userName = window.btoa(encodeURIComponent(this.name))
             if(type == 0){
                 href = `${host}pyTrials/#/`
-                href = 'http://192.168.31.154:8080/'
+                // href = 'http://192.168.31.154:8080/'
             }else if(type == 1){
                 href = `${host}pyFinance/#/`
                 // href = 'http://192.168.31.154:8083/'
diff --git a/src/components/page/PersonalCenter.vue b/src/components/page/PersonalCenter.vue
index 7610873..6cc20b5 100644
--- a/src/components/page/PersonalCenter.vue
+++ b/src/components/page/PersonalCenter.vue
@@ -905,7 +905,7 @@ export default {
                 personalFileEntities
             }
             this.$put(this.api.userinfoUpdate,data).then(res => {
-                bus.$emit('updateAccount',personalInformation.account)
+                bus.$emit('updateAccount',personalInformation.userName)
                 this.$message.success('提交成功！')
             }).catch(res => {});
         },
diff --git a/src/components/page/TeachingVideo.vue b/src/components/page/TeachingVideo.vue
index 11564dd..1db3f90 100644
--- a/src/components/page/TeachingVideo.vue
+++ b/src/components/page/TeachingVideo.vue
@@ -280,122 +280,242 @@ export default {
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E8%B4%A7%E5%B8%81%E6%97%B6%E9%97%B4%E4%BB%B7%E5%80%BC.pptx",
                 "isdel": 0,
                 "title": "项目一 货币时间价值"
+            },{
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E4%B8%80%EF%BC%9A%E8%B4%A7%E5%B8%81%E6%97%B6%E9%97%B4%E4%BB%B7%E5%80%BC.mp4",
+                "isdel": 0,
+                "title": "项目一 货币时间价值（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E6%95%B0%E6%8D%AE%E9%A9%B1%E5%8A%A8%E7%9A%84%E8%B4%A2%E5%8A%A1%E5%86%B3%E7%AD%96.pptx",
                 "isdel": 0,
                 "title": "项目二 数据驱动的财务决策"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E4%BA%8C%EF%BC%9A%E6%95%B0%E6%8D%AE%E9%A9%B1%E5%8A%A8%E7%9A%84%E8%B4%A2%E5%8A%A1%E5%86%B3%E7%AD%96.mp4",
+                "isdel": 0,
+                "title": "项目二 数据驱动的财务决策（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E5%80%BA%E5%88%B8%E7%9A%84%E5%AE%9A%E4%BB%B7.pptx",
                 "isdel": 0,
                 "title": "项目三 债券的定价"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E4%B8%89%EF%BC%9A%E5%80%BA%E5%88%B8%E7%9A%84%E5%AE%9A%E4%BB%B7.mp4",
+                "isdel": 0,
+                "title": "项目三 债券的定价（操作视频）"
             },  {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E6%AC%A7%E5%BC%8F%E6%9C%9F%E6%9D%83%E7%9A%84%E5%AE%9A%E4%BB%B7.pptx",
                 "isdel": 0,
                 "title": "项目四 欧式期权的定价"
+            },  {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%9B%9B%EF%BC%9A%E6%AC%A7%E5%BC%8F%E6%9C%9F%E6%9D%83%E5%AE%9A%E4%BB%B7.mp4",
+                "isdel": 0,
+                "title": "项目四 欧式期权的定价（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E8%82%A1%E7%A5%A8%E7%9A%84%E5%AE%9A%E4%BB%B7.pptx",
                 "isdel": 0,
                 "title": "项目五 股票的定价"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E4%BA%94%EF%BC%9A%E8%82%A1%E7%A5%A8%E5%AE%9A%E4%BB%B7.mp4",
+                "isdel": 0,
+                "title": "项目五 股票的定价（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E5%9B%BA%E5%AE%9A%E6%94%B6%E7%9B%8A%E8%AF%81%E5%88%B8%E8%AE%A1%E7%AE%97.pptx",
                 "isdel": 0,
                 "title": "项目六 固定收益证券计算"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%85%AD%EF%BC%9A%E5%9B%BA%E5%AE%9A%E6%94%B6%E7%9B%8A%E8%AF%81%E5%88%B8%E8%AE%A1%E7%AE%97.mp4",
+                "isdel": 0,
+                "title": "项目六 固定收益证券计算（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E4%BC%B0%E8%AE%A1%CE%B2%E7%B3%BB%E6%95%B0.pptx",
                 "isdel": 0,
                 "title": "项目七 估计β系数"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E4%B8%83%EF%BC%9A%E4%BC%B0%E8%AE%A1%CE%B2%E7%B3%BB%E6%95%B0.mp4",
+                "isdel": 0,
+                "title": "项目七 估计β系数（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E5%9B%BD%E5%80%BA%E6%9C%9F%E8%B4%A7.pptx",
                 "isdel": 0,
                 "title": "项目八 国债期货"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%85%AB%EF%BC%9A%E5%9B%BD%E5%80%BA%E6%9C%9F%E8%B4%A7%E6%A8%A1%E6%8B%9F%E8%AE%BE%E8%AE%A1.mp4",
+                "isdel": 0,
+                "title": "项目八 国债期货（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E8%82%A1%E6%8C%87%E6%9C%9F%E8%B4%A7%E5%A5%97%E6%9C%9F%E4%BF%9D%E9%9A%9C%E7%AD%96%E7%95%A5%E8%AE%BE%E8%AE%A1.pptx",
                 "isdel": 0,
                 "title": "项目九 股指期货套期保障策略设计"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E4%B9%9D%EF%BC%9A%E8%82%A1%E6%8C%87%E6%9C%9F%E8%B4%A7%E5%A5%97%E6%9C%9F%E4%BF%9D%E9%9A%9C%E7%AD%96%E7%95%A5%E8%AE%BE%E8%AE%A1.mp4",
+                "isdel": 0,
+                "title": "项目九 股指期货套期保障策略设计（操作视频）"
             }, {
                 "id": 6,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/JR%E4%BA%8C%E5%8F%89%E6%A0%91%E6%AC%A7%E5%BC%8F%E6%9C%9F%E6%9D%83%E8%AE%BE%E8%AE%A1.pptx",
                 "isdel": 0,
                 "title": "项目十 JR二叉树欧式期权设计"
+            }, {
+                "id": 6,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%8D%81%EF%BC%9A%E4%BA%8C%E5%8F%89%E6%A0%91%E6%AC%A7%E5%BC%8F%E6%9C%9F%E6%9D%83.mp4",
+                "isdel": 0,
+                "title": "项目十 JR二叉树欧式期权设计（操作视频）"
             }, {
                 "id": 2,
-                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E5%B8%83%E8%8E%B1%E5%85%8B-%E8%88%92%E5%B0%94%E6%96%AF%E6%AC%A7%E5%BC%8F%E6%9C%9F%E6%9D%83%E8%AE%BE%E8%AE%A1.pptx",
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%B8%80%EF%BC%9A%E5%B8%83%E8%8E%B1%E5%85%8B%E2%80%94%E8%88%92%E5%B0%94%E6%96%AF%E6%AC%A7%E5%BC%8F%E6%9C%9F%E6%9D%83.mp4",
                 "isdel": 0,
                 "title": "项目十一 布莱克-舒尔斯欧式期权设计"
+            }, {
+                "id": 2,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%B8%80%EF%BC%9A%E5%B8%83%E8%8E%B1%E5%85%8B%E2%80%94%E8%88%92%E5%B0%94%E6%96%AF%E6%AC%A7%E5%BC%8F%E6%9C%9F%E6%9D%83.mp4",
+                "isdel": 0,
+                "title": "项目十一 布莱克-舒尔斯欧式期权设计（操作视频）"
             }, {
                 "id": 7,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E4%BA%8C%E5%8F%89%E6%A0%91%E7%BE%8E%E5%BC%8F%E6%9C%9F%E6%9D%83%E8%AE%BE%E8%AE%A1.pptx",
                 "isdel": 0,
                 "title": "项目十二 二叉树美式期权设计"
+            }, {
+                "id": 7,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%BA%8C%EF%BC%9A%E4%BA%8C%E5%8F%89%E6%A0%91%E7%BE%8E%E5%BC%8F%E6%9C%9F%E6%9D%83%E3%80%81.mp4",
+                "isdel": 0,
+                "title": "项目十二 二叉树美式期权设计（操作视频）"
             }, {
                 "id": 5,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/%E5%B8%83%E8%8E%B1%E5%85%8B-%E8%88%92%E5%B0%94%E6%96%AF%E7%BE%8E%E5%BC%8F%E6%9C%9F%E6%9D%83%E8%AE%BE%E8%AE%A1.pptx",
                 "isdel": 0,
                 "title": "项目十三 布莱克-舒尔斯美式期权设计"
+            }, {
+                "id": 5,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%B8%89%EF%BC%9A%E5%B8%83%E8%8E%B1%E5%85%8B-%E8%88%92%E5%B0%94%E6%96%AF%E7%BE%8E%E5%BC%8F%E6%9C%9F%E6%9D%83.mp4",
+                "isdel": 0,
+                "title": "项目十三 布莱克-舒尔斯美式期权设计（操作视频）"
             }, {
                 "id": 3,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/Covered%20Call.pptx",
                 "isdel": 0,
                 "title": "项目十四 Covered Call"
+            }, {
+                "id": 3,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%8D%81%E5%9B%9B%EF%BC%9ACovered%20Call.mp4",
+                "isdel": 0,
+                "title": "项目十四 Covered Call（操作视频）"
             },{
                 "id": 1,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E9%87%91%E8%9E%8D%E5%BB%BA%E6%A8%A1ppt%281%29/Butterfiy%20Spread.pptx",
                 "isdel": 0,
                 "title": "项目十五 Butterfiy Spread"
+            },{
+                "id": 1,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/jinrong/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%BA%94%EF%BC%9A%E7%A2%9F%E5%BC%8F%E4%BB%B7%E5%B7%AE.mp4",
+                "isdel": 0,
+                "title": "项目十五 Butterfiy Spread（操作视频）"
             }],
             videoList5: [{
                 "id": 1,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E4%B8%80%20%E4%BA%86%E8%A7%A3matplotlib.pptx",
                 "isdel": 0,
                 "title": "项目一 了解matplotlib"
+            },{
+                "id": 1,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/%E9%A1%B9%E7%9B%AE%E4%B8%80%EF%BC%9A%E5%9F%BA%E7%A1%801%E2%80%94%E2%80%94%E4%BA%86%E8%A7%A3matplotlib%E7%9A%84%E5%8A%9F%E8%83%BD.mp4",
+                "isdel": 0,
+                "title": "项目一 了解matplotlib（操作视频）"
             }, {
                 "id": 3,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E4%BA%8C%20%E7%BB%98%E5%88%B6%E6%9D%A1%E5%BD%A2%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目二 绘制条形图"
+            }, {
+                "id": 3,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/%E9%A1%B9%E7%9B%AE%E4%BA%8C%EF%BC%9A%E5%9F%BA%E7%A1%802%E2%80%94%E2%80%94%E5%9B%BE%E5%BD%A2%E7%9A%84%E7%BB%98%E5%88%B6%28%E6%9D%A1%E5%BD%A2%E5%9B%BE%29.mp4",
+                "isdel": 0,
+                "title": "项目二 绘制条形图（操作视频）"
             },{
                 "id": 5,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E4%B8%89%20%E7%BB%98%E5%88%B6%E7%9B%B4%E6%96%B9%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目三 绘制直方图"
+            },{
+                "id": 5,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目三：基础3——图形的绘制(直方图).mp4",
+                "isdel": 0,
+                "title": "项目三 绘制直方图（操作视频）"
             }, {
                 "id": 2,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E5%9B%9B%20%E7%BB%98%E5%88%B6%E6%8A%98%E7%BA%BF%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目四 绘制折线图"
+            }, {
+                "id": 2,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目四：基础4——图形的绘制(折线图).mp4",
+                "isdel": 0,
+                "title": "项目四 绘制折线图（操作视频）"
             }, {
                 "id": 7,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E4%BA%94%20%E7%BB%98%E5%88%B6%E6%95%A3%E7%82%B9%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目五 绘制散点图"
+            }, {
+                "id": 7,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目五：基础5——图形的绘制(散点图).mp4",
+                "isdel": 0,
+                "title": "项目五 绘制散点图（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E5%85%AD%20%E7%BB%98%E5%88%B6%E7%AE%B1%E7%BA%BF%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目六 绘制箱线图"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目六：基础6——图形的绘制(箱线图).mp4",
+                "isdel": 0,
+                "title": "项目六 绘制箱线图（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E4%B8%83%20%E7%BB%98%E5%88%B6%E9%A5%BC%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目七 绘制饼图"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目七：基础7——图形的绘制(饼图).mp4",
+                "isdel": 0,
+                "title": "项目七 绘制饼图（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E5%85%AB%20%E7%BB%98%E5%88%B6%E9%9D%A2%E7%A7%AF%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目八 绘制面积图"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目八：基础8——图形的绘制(面积图).mp4",
+                "isdel": 0,
+                "title": "项目八 绘制面积图（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E4%B9%9D%20%E7%BB%98%E5%88%B62D%E7%AD%89%E9%AB%98%E7%BA%BF%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目九 绘制2D等高线图"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目九：进阶1——绘制2D等高线图.mp4",
+                "isdel": 0,
+                "title": "项目九 绘制2D等高线图（操作视频）"
             }, {
                 "id": 11,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E5%8D%81%20%E5%BD%93%E7%94%9F%E6%88%90%E7%9A%84%E5%9B%BE%E7%89%87%E6%9C%89%E4%B8%A4%E5%BC%A0%E6%88%96%E5%A4%9A%E5%BC%A0%E6%97%B6%E4%BF%9D%E8%AF%81%E5%9B%BE%E7%89%87%E4%B8%8D%E8%A6%86%E7%9B%96.pptx",
@@ -406,57 +526,122 @@ export default {
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                 "isdel": 0,
                 "title": "项目十一 给所生成的图片添加标签"
+            }, {
+                "id": 12,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目十一：进阶3——给所生成的图片添加标签.mp4",
+                "isdel": 0,
+                "title": "项目十一 给所生成的图片添加标签（操作视频）"
             }, {
                 "id": 13,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%BA%8C%20%E5%A4%9A%E5%AD%90%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目十二 多子图"
+            }, {
+                "id": 13,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目十二：进阶4——多子图.mp4",
+                "isdel": 0,
+                "title": "项目十二 多子图（操作视频）"
             }, {
                 "id": 11,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%B8%89%20%E7%BB%98%E5%88%B6%E4%BA%8C%E7%BB%B4%E7%9B%B4%E6%96%B9%E5%9B%BE.pptx",
                 "isdel": 0,
                 "title": "项目十三 绘制二维直方图"
+            }, {
+                "id": 11,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目十三：进阶5——绘制一张二维直方图.mp4",
+                "isdel": 0,
+                "title": "项目十三 绘制二维直方图（操作视频）"
             }, {
                 "id": 12,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E5%8D%81%E5%9B%9B%20%E8%87%AA%E5%AE%9A%E4%B9%89%E8%89%B2%E9%98%B6.pptx",
                 "isdel": 0,
                 "title": "项目十四 自定义色阶"
+            }, {
+                "id": 12,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目十四：进阶6——在一张图中绘制3组不同的直方图，并给所生成的图片设置透明度.mp4",
+                "isdel": 0,
+                "title": "项目十四 自定义色阶（操作视频）"
             }, {
                 "id": 13,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%8F%AF%E8%A7%86%E5%8C%96ppt%281%29%281%29/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%BA%94%20%E4%B8%89%E7%BB%B4%E5%9B%BE%E5%83%8F.pptx",
                 "isdel": 0,
                 "title": "项目十五 三维图像"
+            }, {
+                "id": 13,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目十五：进阶7——自定义色阶.mp4",
+                "isdel": 0,
+                "title": "项目十五 三维图像（操作视频）"
+            }, {
+                "id": 13,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/项目十六：进阶8——三维图像.mp4",
+                "isdel": 0,
+                "title": "项目十六 进阶8——三维图像（操作视频）"
+            }, {
+                "id": 13,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/visualization/%E9%A1%B9%E7%9B%AE%E5%8D%81%E4%B8%83%EF%BC%9A%E7%BB%88%E9%98%B6%E2%80%94%E2%80%94%E6%95%B0%E6%8D%AE%E5%8F%AF%E8%A7%86%E5%8C%96.mp4",
+                "isdel": 0,
+                "title": "项目十七 终阶——数据可视化"
             }],
             videoList6: [{
                 "id": 1,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/%E9%A1%B9%E7%9B%AE%E4%B8%80%EF%BC%9A%E5%80%BA%E5%88%B8%E5%92%8C%E5%88%A9%E7%8E%87.pptx",
                 "isdel": 0,
                 "title": "项目一 债券和利率"
+            },{
+                "id": 1,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目一. 债券与利率.MP4",
+                "isdel": 0,
+                "title": "项目一 债券和利率（操作视频）"
             }, {
                 "id": 3,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/%E9%A1%B9%E7%9B%AE%E4%BA%8C%20%E8%B5%84%E4%BA%A7%E7%BB%84%E5%90%88.pptx",
                 "isdel": 0,
                 "title": "项目二 资产组合"
+            }, {
+                "id": 3,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目二资产组合.mp4",
+                "isdel": 0,
+                "title": "项目二 资产组合（操作视频）"
             },{
                 "id": 5,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/3%E6%9C%9F%E6%9D%83%E5%AE%9A%E4%BB%B7%E7%90%86%E8%AE%BA%E5%92%8C%E5%A5%97%E5%88%A9%E5%AE%9A%E4%BB%B7.pptx",
                 "isdel": 0,
                 "title": "项目三 期权定价理论和套利定价"
+            },{
+                "id": 5,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目三.期权定价理论和套利定价.mp4",
+                "isdel": 0,
+                "title": "项目三 期权定价理论和套利定价（操作视频）"
             }, {
                 "id": 2,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/%E9%A1%B9%E7%9B%AE%E5%9B%9Bppt.pptx",
                 "isdel": 0,
                 "title": "项目四 证券市场和股票的波动"
+            }, {
+                "id": 2,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目四.证券市场和股票的波动.mp4",
+                "isdel": 0,
+                "title": "项目四 证券市场和股票的波动（操作视频）"
             }, {
                 "id": 7,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/5-%E9%A1%B9%E7%9B%AEppt.pptx",
                 "isdel": 0,
                 "title": "项目五 正态随机过程"
+            }, {
+                "id": 7,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目五：正态随机过程.mp4",
+                "isdel": 0,
+                "title": "项目五 正态随机过程（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/6Poisson%E8%BF%87%E7%A8%8B.pptx",
                 "isdel": 0,
                 "title": "项目六 Poisson过程"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目六.Poisson过程.mp4",
+                "isdel": 0,
+                "title": "项目六 Poisson过程（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/7Python%E9%87%91%E8%9E%8D%E9%9A%8F%E6%9C%BA%E8%BF%87%E7%A8%8B%E5%AE%9E%E9%AA%8C%E6%95%99%E5%AD%A6%E7%B3%BB%E7%BB%9F%EF%BC%88%E7%AC%AC%E4%B8%83%E9%A1%B9%EF%BC%89.pptx",
@@ -467,128 +652,253 @@ export default {
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/8%E7%A6%BB%E6%95%A3%E5%8F%82%E6%95%B0Markov%E9%93%BE.pptx",
                 "isdel": 0,
                 "title": "项目八 离散参数Markov链"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目八：离散参数Markov链.mp4",
+                "isdel": 0,
+                "title": "项目八 离散参数Markov链（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/%E9%A1%B9%E7%9B%AE%E4%B9%9D%20%E8%BF%9E%E7%BB%AD%E6%97%B6%E9%97%B4Markov%E9%93%BE.pptx",
                 "isdel": 0,
                 "title": "项目九 连续时间Markov链"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目九.连续时间Markov链.mp4",
+                "isdel": 0,
+                "title": "项目九 连续时间Markov链（操作视频）"
             }, {
                 "id": 11,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/%E9%A1%B9%E7%9B%AE10_%E5%B8%83%E6%9C%97%E8%BF%90%E5%8A%A8.pptx",
                 "isdel": 0,
                 "title": "项目十 布朗运动"
+            }, {
+                "id": 11,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目十.布朗运动.mp4",
+                "isdel": 0,
+                "title": "项目十 布朗运动（操作视频）"
             }, {
                 "id": 12,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/%E9%A1%B9%E7%9B%AE11_%E9%9E%85%E5%8F%8A%E5%85%B6%E5%BA%94%E7%94%A8.pptx",
                 "isdel": 0,
                 "title": "项目十一 鞅及其应用"
+            }, {
+                "id": 12,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目十一.鞅及其应用.mp4",
+                "isdel": 0,
+                "title": "项目十一 鞅及其应用（操作视频）"
             }, {
                 "id": 13,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/%E9%A1%B9%E7%9B%AE12_%E9%9A%8F%E6%9C%BA%E5%BE%AE%E5%88%86%E6%96%B9%E7%A8%8B%E5%8F%8A%E5%85%B6%E5%9C%A8%E9%87%91%E8%9E%8D%E4%B8%AD%E7%9A%84%E5%BA%94%E7%94%A8.pptx",
                 "isdel": 0,
                 "title": "项目十二 随机微分方程及其在金融中的应用"
+            }, {
+                "id": 13,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/系统一项目十二：随机微分方程及其在金融中的应用.mp4",
+                "isdel": 0,
+                "title": "项目十二 随机微分方程及其在金融中的应用（操作视频）"
             }],
             videoList7: [{
                 "id": 1,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/1.pptx",
                 "isdel": 0,
                 "title": "项目一 了解matplotlib的功能"
+            },{
+                "id": 1,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目一：基础了解maplab.mp4",
+                "isdel": 0,
+                "title": "项目一 了解matplotlib的功能（操作视频）"
             }, {
                 "id": 3,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/2.pptx",
                 "isdel": 0,
                 "title": "项目二 K线图"
+            }, {
+                "id": 3,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目二：基础——K线图.mp4",
+                "isdel": 0,
+                "title": "项目二 K线图（操作视频）"
             }, {
                 "id": 6,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/3.pptx",
                 "isdel": 0,
                 "title": "项目三 动量交易策略"
+            }, {
+                "id": 6,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目三：基础——动量交易策略.mp4",
+                "isdel": 0,
+                "title": "项目三 动量交易策略（操作视频）"
             }, {
                 "id": 5,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/4.pptx",
                 "isdel": 0,
                 "title": "项目四 RSI相对强弱指标"
+            }, {
+                "id": 5,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目四：基础——RSI相对强弱指标.mp4",
+                "isdel": 0,
+                "title": "项目四 RSI相对强弱指标（操作视频）"
             }, {
                 "id": 2,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/5.pptx",
                 "isdel": 0,
                 "title": "项目五 简单移动平均"
+            }, {
+                "id": 2,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目五：基础——简单移动平均.mp4",
+                "isdel": 0,
+                "title": "项目五 简单移动平均（操作视频）"
             }, {
                 "id": 7,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/6.pptx",
                 "isdel": 0,
                 "title": "项目六 加权移动平均"
+            }, {
+                "id": 7,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目六：基础——加权移动平均.mp4",
+                "isdel": 0,
+                "title": "项目六 加权移动平均（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/7.pptx",
                 "isdel": 0,
                 "title": "项目七 通道突破策略"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目七：进阶1——通道突破策略.mp4",
+                "isdel": 0,
+                "title": "项目七 通道突破策略（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/8.pptx",
                 "isdel": 0,
                 "title": "项目八 KDJ交易策略"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目八：进阶2——KDJ交易策略.mp4",
+                "isdel": 0,
+                "title": "项目八 KDJ交易策略（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/9.pptx",
                 "isdel": 0,
                 "title": "项目九 OBV指标交易策略"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目九：进阶3——OBV指标交易策略.mp4",
+                "isdel": 0,
+                "title": "项目九 OBV指标交易策略（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E7%B3%BB%E7%BB%9F%E4%BA%8C-%E9%87%8F%E5%8C%96%E6%8A%95%E8%B5%84%281%29/10.pptx",
                 "isdel": 0,
                 "title": "项目十 基于机器学习的量化投资策略概览"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/zz/量化投资项目十：终阶——基于机器学习的量化投资概览.mp4",
+                "isdel": 0,
+                "title": "项目十 基于机器学习的量化投资策略概览（操作视频）"
             }],
             videoList8: [{
                 "id": 1,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E9%A1%B9%E7%9B%AE%E4%B8%80%20%E6%95%B0%E6%8D%AE%E5%8C%85%E7%9A%84%E4%BD%BF%E7%94%A8.pptx",
                 "isdel": 0,
                 "title": "项目一 数据包的使用"
+            },{
+                "id": 1,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目一.mp4",
+                "isdel": 0,
+                "title": "项目一 数据包的使用（操作视频）"
             }, {
                 "id": 3,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E5%9F%BA%E7%A1%80%E2%80%94%E2%80%94%E4%BD%BF%E7%94%A8numpy%E5%AE%9A%E4%B9%89%E4%B8%80%E7%BB%B4%E6%95%B0%E7%BB%84--2.pptx",
                 "isdel": 0,
                 "title": "项目二 使用numpy定义一维数组"
+            }, {
+                "id": 3,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目二.mp4",
+                "isdel": 0,
+                "title": "项目二 使用numpy定义一维数组（操作视频）"
             }, {
                 "id": 6,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E5%9F%BA%E7%A1%80%E2%80%94%E2%80%94%E4%BD%BF%E7%94%A8pandas%E5%AE%9A%E4%B9%89%E4%B8%80%E7%BB%B4%E6%95%B0%E7%BB%84--3.pptx",
                 "isdel": 0,
                 "title": "项目三 使用pandas定义一维数组"
+            }, {
+                "id": 6,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目三.mp4",
+                "isdel": 0,
+                "title": "项目三 使用pandas定义一维数组（操作视频）"
             }, {
                 "id": 5,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E5%9F%BA%E7%A1%80%E2%80%94%E2%80%94%E4%BD%BF%E7%94%A8numpy%E5%AE%9A%E4%B9%89%E4%BA%8C%E7%BB%B4%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84--4.pptx",
                 "isdel": 0,
                 "title": "项目四  使用numpy定义二维数据结构"
+            }, {
+                "id": 5,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目四.mp4",
+                "isdel": 0,
+                "title": "项目四  使用numpy定义二维数据结构（操作视频）"
             }, {
                 "id": 2,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E5%9F%BA%E7%A1%80%E2%80%94%E2%80%94%E4%BD%BF%E7%94%A8pandas-DataFrame%EF%BC%88%E6%95%B0%E6%8D%AE%E6%A1%86%EF%BC%89%E5%AE%9A%E4%B9%89%E4%BA%8C%E7%BB%B4%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84--5.pptx",
                 "isdel": 0,
                 "title": "项目五 使用Pandas-DataFrame(数据框)定义二维数据结构"
+            }, {
+                "id": 2,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目五.mp4",
+                "isdel": 0,
+                "title": "项目五 使用Pandas-DataFrame(数据框)定义二维数据结构（操作视频）"
             }, {
                 "id": 7,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E5%9F%BA%E7%A1%80%E2%80%94%E2%80%94%E6%95%B0%E6%8D%AE%E9%9B%86%E6%8F%8F%E8%BF%B0%E7%BB%9F%E8%AE%A1%E4%BF%A1%E6%81%AF--6.pptx",
                 "isdel": 0,
                 "title": "项目六 数据集描述统计信息"
+            }, {
+                "id": 7,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目六.mp4",
+                "isdel": 0,
+                "title": "项目六 数据集描述统计信息（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E9%A1%B9%E7%9B%AE7_%E7%90%86%E8%A7%A3%E6%95%B0%E6%8D%AE.pptx",
                 "isdel": 0,
                 "title": "项目七 理解数据"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目七.mp4",
+                "isdel": 0,
+                "title": "项目七 理解数据（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E9%A1%B9%E7%9B%AE%E5%85%AB%20%E6%A8%A1%E5%9E%8B%E6%9E%84%E5%BB%BA.pptx",
                 "isdel": 0,
                 "title": "项目八 模型构建"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目八.mp4",
+                "isdel": 0,
+                "title": "项目八 模型构建（操作视频）"
             }, {
                 "id": 4,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E8%BF%9B%E9%98%B63%E2%80%94%E2%80%94%E6%95%B0%E6%8D%AE%E6%B8%85%E6%B4%97--9.pptx",
                 "isdel": 0,
                 "title": "项目九 数据清洗"
+            }, {
+                "id": 4,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目九.mp4",
+                "isdel": 0,
+                "title": "项目九 数据清洗（操作视频）"
             }, {
                 "id": 9,
                 "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/ppt/%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90%E9%A1%B9%E7%9B%AE/%E9%A1%B9%E7%9B%AE%E5%8D%81%20%E6%95%B0%E6%8D%AE%E5%8F%AF%E8%A7%86%E5%8C%96.pptx",
                 "isdel": 0,
                 "title": "项目十 数据可视化"
+            }, {
+                "id": 9,
+                "links": "https://huoran.oss-cn-shenzhen.aliyuncs.com/video/dataAnalysis/系统三项目十.mp4",
+                "isdel": 0,
+                "title": "项目十 数据可视化（操作视频）"
             }],
             evaluationVisible: false,
             resultVisible: false,
@@ -847,6 +1157,7 @@ export default {
             this.iframeSrc = ''
             this.curLink = row.title
             let ext = this.core.getFileExt(url)
+            console.log(11,ext,url,this.core.isVideo(ext))
             if(this.core.isVideo(ext)){
                 this.videoSrc = url
             }else if(ext == 'pdf'){
diff --git a/src/utils/core.js b/src/utils/core.js
index 75a602a..d6f2110 100644
--- a/src/utils/core.js
+++ b/src/utils/core.js
@@ -169,7 +169,7 @@ function getCaption(obj){
 
 // 传入文件后缀判断是否是视频
 function isVideo(ext) {
-  if('mp4,3gp,mov,m4v,avi,dat,mkv,flv,vob,rmvb,rm,qlv'.includes(ext)) return true
+  if('mp4,3gp,mov,m4v,avi,dat,mkv,flv,vob,rmvb,rm,qlv'.includes(ext.toLowerCase())) return true
   return false
 }
 // 传入文件后缀判断是否是音频