diff --git a/app/models/course.rb b/app/models/course.rb
index d4d5387d5..e4c771765 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -161,7 +161,7 @@ class Course < ApplicationRecord
   end
 
   def videos_count
-    course_videos.where(video_id: videos.where("transcoded = 1 or videos.user_id = #{User.current.id}").pluck(:id))
+    course_videos.where(video_id: videos.where("transcoded = 1"))
       .or(course_videos.where(course_videos: {is_link: true})).size
   end
 
diff --git a/public/react/src/modules/courses/signin/css/signincdi.css b/public/react/src/modules/courses/signin/css/signincdi.css
index 50fcceef4..a5e067ca6 100644
--- a/public/react/src/modules/courses/signin/css/signincdi.css
+++ b/public/react/src/modules/courses/signin/css/signincdi.css
@@ -472,7 +472,14 @@
     white-space:nowrap;
     cursor: default;
 }
-
+.maxnamewidth90s{
+    width: 90px;
+    max-width: 90px;
+    overflow:hidden;
+    text-overflow:ellipsis;
+    white-space:nowrap;
+    cursor: default;
+}
 .font-14{
     font-size: 14px !important;
 }
diff --git a/public/react/src/modules/courses/videostatistics/component/Studenticscom.js b/public/react/src/modules/courses/videostatistics/component/Studenticscom.js
index 5d1c81692..191e078b2 100644
--- a/public/react/src/modules/courses/videostatistics/component/Studenticscom.js
+++ b/public/react/src/modules/courses/videostatistics/component/Studenticscom.js
@@ -33,6 +33,20 @@ class Studenticscom extends Component {
 				<div className="ws100s edu-back-white sortinxdirection" style={{
 					position: "relative"
 				}}>
+					<script>
+						{
+							`
+							a{ 
+							    text-decoration:none;
+							    color:#333; 
+							}
+							a:hover{
+							    text-decoration:none;//鼠标放上面不显示下划线
+							    color:#333; 
+							}
+							`
+						}
+					</script>
 					<div className="ws100s teacherentrydivss ">
 						<div className="ws100s sortinxdirection">
 							<p className="sortinxdirection h40s" onClick={()=>this.props.statisticsy(false)} >
diff --git a/public/react/src/modules/courses/videostatistics/component/Studentstatistics.js b/public/react/src/modules/courses/videostatistics/component/Studentstatistics.js
index 44cdf6536..eb25dfbe6 100644
--- a/public/react/src/modules/courses/videostatistics/component/Studentstatistics.js
+++ b/public/react/src/modules/courses/videostatistics/component/Studentstatistics.js
@@ -252,6 +252,20 @@ class Studentstatistics extends Component {
 		return (
 			<React.Fragment>
 				<div className="ws100s  mt20">
+					<script>
+						{
+							`
+							a{ 
+							    text-decoration:none;
+							    color:#333; 
+							}
+							a:hover{
+							    text-decoration:none;//鼠标放上面不显示下划线
+							    color:#333; 
+							}
+							`
+						}
+					</script>
 					<div className="ws100s edu-back-white">
 						<div className="ws100s teacherentrydivss pd15s">
 							<div className="ws100s sortinxdirection">
diff --git a/public/react/src/modules/courses/videostatistics/component/Videostatisticscom.js b/public/react/src/modules/courses/videostatistics/component/Videostatisticscom.js
index a16e0ed39..f6334f941 100644
--- a/public/react/src/modules/courses/videostatistics/component/Videostatisticscom.js
+++ b/public/react/src/modules/courses/videostatistics/component/Videostatisticscom.js
@@ -33,6 +33,20 @@ class Videostatisticscom extends Component {
 				<div className="ws100s edu-back-white sortinxdirection" style={{
 					position: "relative"
 				}}>
+					<script>
+						{
+							`
+							a{ 
+							    text-decoration:none;
+							    color:#333; 
+							}
+							a:hover{
+							    text-decoration:none;//鼠标放上面不显示下划线
+							    color:#333; 
+							}
+							`
+						}
+					</script>
 					<div className="ws100s teacherentrydivss ">
 						<div className="ws100s sortinxdirection">
 								<p className="sortinxdirection h40s" onClick={()=>this.props.statisticsy(false)} >
diff --git a/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js b/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
index 702f90712..10301c8ea 100644
--- a/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
+++ b/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
@@ -28,7 +28,7 @@ class Videostatisticscomtwo extends Component {
 					className: 'font-14',
 					width: '50px',
 					render: (text, record) => (
-						<span style={{width: '50px'}}>{record.number}</span>
+						<div style={{width: '50px'}}>{record.number}</div>
 					),
 				},
 				{
@@ -39,56 +39,56 @@ class Videostatisticscomtwo extends Component {
 					className: 'font-14 maxnamewidth100s',
 					width: '100px',
 					render: (text, record) => (
-						<span style={{width: '100px'}} className="maxnamewidth100s">
+						<div style={{width: "100px",wordWrap: 'break-word', wordBreak: 'break-word'}} className="maxnamewidth100s">
 							<a className="maxnamewidth100s" style={{
 								color:"#333333"
 							}} title={record.user_name}>{record.user_name}</a>
 
-							</span>
+							</div>
 					),
 				},
 				{
-					title: '视频是否看完',
+					title: '是否看完',
 					dataIndex: 'is_finished',
 					key: 'is_finished',
 					align: "center",
-					className: 'font-14',
+					className: 'font-14 maxnamewidth90s',
 					width: '90px',
 					render: (text, record) => (
-						<span style={{width: '90px'}}>{record.is_finished === true ?
-							<span style={{color: "#5091FF"}}>是</span> : <span style={{color: "#E02020"}}>否</span>}</span>
+						<div style={{width: '90px'}} className="maxnamewidth90s">{record.is_finished === true ?
+							<span style={{color: "#5091FF"}}>是</span> : <span style={{color: "#E02020"}}>否</span>}</div>
 					),
 				},
 				{
-					title: '视频累计观看时长',
+					title: '观看时长',
 					dataIndex: 'total_duration',
 					key: 'total_duration',
 					align: "center",
-					className: 'font-14 maxnamewidth140s',
-					width: '140px',
+					className: 'font-14 maxnamewidth100s',
+					width: '100px',
 					sorter: true,
 					sortDirections: sortDirections,
 					render: (text, record) => (
-						<span style={{width: '140px'}} className="maxnamewidth140s"><a className="maxnamewidth140s" style={{
+						<div style={{width: '100px'}} className="maxnamewidth100s"><a className="maxnamewidth100s" style={{
 							color:"#333333"
-						}} title={record.total_duration}>{record.total_duration}</a></span>
+						}} title={record.total_duration}>{record.total_duration}</a></div>
 					),
 				},
 				{
-					title: '累计观看次数(次)',
+					title: '观看次数',
 					dataIndex: 'feq',
 					key: 'feq',
 					align: "center",
-					className: 'font-14 maxnamewidth140s',
-					width: '140px',
+					className: 'font-14 maxnamewidth100s',
+					width: '100px',
 					sorter: true,
 					sortDirections: sortDirections,
 					render: (text, record) => (
-						<span style={{width: '140px'}} className="maxnamewidth140s">
-						<a  className="maxnamewidth140s" style={{
+						<div style={{width: '100px'}} className="maxnamewidth100s">
+						<a  className="maxnamewidth100s" style={{
 							color:"#333333"
 						}}  title={record.feq}>{record.feq}</a>
-						</span>
+						</div>
 					),
 				},
 				{
@@ -96,14 +96,13 @@ class Videostatisticscomtwo extends Component {
 					dataIndex: 'start_at',
 					key: 'start_at',
 					align: "center",
-					className: 'font-14 maxnamewidth90s',
-					width: '90px',
+					className: 'font-14 ',
 					render: (text, record) => (
-						<span style={{width: '90px'}} >
-							<a  className="maxnamewidth90s" style={{
+						<div>
+							<a style={{
 								color:"#333333"
-							}}  title=	{moment(record.start_at).format('YYYY-MM-DD HH:mm:ss')}>	{record.start_at}</a>
-						</span>
+							}}  title={moment(record.start_at).format('YYYY-MM-DD HH:mm:ss')}>	{moment(record.start_at).format('YYYY-MM-DD HH:mm:ss')}</a>
+						</div>
 					),
 				},
 				{
@@ -111,14 +110,13 @@ class Videostatisticscomtwo extends Component {
 					dataIndex: 'end_at',
 					key: 'end_at',
 					align: "center",
-					className: 'font-14 maxnamewidth90s',
-					width: '90px',
+					className: 'font-14 ',
 					render: (text, record) => (
-						<span style={{width: '90px'}} >
-								<a  className="maxnamewidth90s" style={{
+						<div>
+								<a style={{
 									color:"#333333"
-								}}  title={moment(record.end_at).format('YYYY-MM-DD HH:mm:ss')}>{record.end_at}</a>
-						</span>
+								}}  title={moment(record.end_at).format('YYYY-MM-DD HH:mm:ss')}>{moment(record.end_at).format('YYYY-MM-DD HH:mm:ss')}</a>
+						</div>
 					),
 				}
 			],
@@ -475,6 +473,20 @@ class Videostatisticscomtwo extends Component {
 		return (
 			<React.Fragment>
 				<div className="ws100s">
+					<script>
+						{
+							`
+							a{ 
+							    text-decoration:none;
+							    color:#333; 
+							}
+							a:hover{
+							    text-decoration:none;//鼠标放上面不显示下划线
+							    color:#333; 
+							}
+							`
+						}
+					</script>
 					<div className="ws100s teacherentrydivss edu-back-white ">
 						<div className="ws100s sortinxdirection">
 							<div className="ws50s sptits font-18">{mytitle}</div>
diff --git a/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js b/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
index 1a04ec8ab..049a9ebbb 100644
--- a/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
+++ b/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
@@ -249,6 +249,20 @@ class Videostatisticslist extends Component {
 		return (
 			<React.Fragment>
 				<div className="ws100s  mt20">
+					<script>
+						{
+							`
+							a{ 
+							    text-decoration:none;
+							    color:#333; 
+							}
+							a:hover{
+							    text-decoration:none;//鼠标放上面不显示下划线
+							    color:#333; 
+							}
+							`
+						}
+					</script>
 					<div className="ws100s edu-back-white">
 						<div className="ws100s teacherentrydivss pd15s">
 							<div className="ws100s sortinxdirection">