diff --git a/app/services/create_watch_video_service.rb b/app/services/create_watch_video_service.rb
index 0f1b32814..5a3813571 100644
--- a/app/services/create_watch_video_service.rb
+++ b/app/services/create_watch_video_service.rb
@@ -33,12 +33,10 @@ class CreateWatchVideoService < ApplicationService
           if watch_course_video.present?
             watch_course_video.total_duration = watch_course_video.watch_video_histories.sum(:total_duration)
             watch_course_video.end_at = current_time
-            if !watch_course_video.is_finished && watch_course_video.watch_duration < params[:watch_duration]
+            if !watch_course_video.is_finished
               # 更新课程视频的时长及是否看完状态
-              watch_course_video.watch_duration = params[:watch_duration]
-              if params[:ed].present?
-                watch_course_video.is_finished = watch_course_video.total_duration >= watch_course_video.duration
-              end
+              watch_course_video.watch_duration = params[:watch_duration] if watch_course_video.watch_duration < params[:watch_duration]
+              watch_course_video.is_finished = watch_course_video.total_duration >= watch_course_video.duration if params[:ed].present?
             end
             watch_course_video.save!
           end
diff --git a/public/react/src/modules/courses/signin/css/signincdi.css b/public/react/src/modules/courses/signin/css/signincdi.css
index a7fbbb20a..cdd41eede 100644
--- a/public/react/src/modules/courses/signin/css/signincdi.css
+++ b/public/react/src/modules/courses/signin/css/signincdi.css
@@ -100,7 +100,10 @@
     width: 80%;
 }
 .ws50s{
-    width: 50%;
+     width: 50%;
+ }
+.ws40s{
+    width: 40%;
 }
 .hs30s{
     height: 30%;
@@ -425,6 +428,14 @@
     white-space:nowrap;
     cursor: default;
 }
+.maxnamewidth90s{
+    width: 90px;
+    max-width: 90px;
+    overflow:hidden;
+    text-overflow:ellipsis;
+    white-space:nowrap;
+    cursor: default;
+}
 .maxnamewidth100s{
     width: 100px;
     max-width: 100px;
@@ -440,3 +451,4 @@
 .mr32{
     margin-right: 32px;
 }
+
diff --git a/public/react/src/modules/courses/videostatistics/Videostatistics.js b/public/react/src/modules/courses/videostatistics/Videostatistics.js
index f497b3ca6..ba4891b2c 100644
--- a/public/react/src/modules/courses/videostatistics/Videostatistics.js
+++ b/public/react/src/modules/courses/videostatistics/Videostatistics.js
@@ -64,19 +64,8 @@ class Videostatistics extends Component{
 							<div className="ws100s" style={{
 								position: "relative",
 							}}>
-								<div className="ws100s " style={{
-									position: "absolute",
-									top: "-29px",
-								}}>
 
-									<p className="sortinxdirection" >
-										<i className="iconfont icon-zuojiantou  posiivsiconmyss mr5 colorbluesigin xiaoshou" onClick={()=>this.props.statisticsy(false)}></i>
-										<p className="fh mr20 colorbluesigin xiaoshou" onClick={()=>this.props.statisticsy(false)}>返回</p>
-									</p>
-
-
-								</div>
-								<Videostatisticscom {...this.state} {...this.props} watch_staticsdata={watch_staticsdata} ></Videostatisticscom>
+								<Videostatisticscom {...this.state} {...this.props} watch_staticsdata={watch_staticsdata} statisticsy={(b)=>this.props.statisticsy(b)}></Videostatisticscom>
 
 
 
diff --git a/public/react/src/modules/courses/videostatistics/component/Videostatisticscom.js b/public/react/src/modules/courses/videostatistics/component/Videostatisticscom.js
index 1111b6509..dff57d642 100644
--- a/public/react/src/modules/courses/videostatistics/component/Videostatisticscom.js
+++ b/public/react/src/modules/courses/videostatistics/component/Videostatisticscom.js
@@ -35,7 +35,11 @@ class Videostatisticscom extends Component {
 				}}>
 					<div className="ws100s teacherentrydivss ">
 						<div className="ws100s sortinxdirection">
-							<div className="ws50s sptits">视频统计总览</div>
+								<p className="sortinxdirection h40s" onClick={()=>this.props.statisticsy(false)} >
+									<i className="iconfont icon-zuojiantou  posiivsiconmyss mr5 colorbluesigin xiaoshou h40s" onClick={()=>this.props.statisticsy(false)}></i>
+									<p className="fh mr20 colorbluesigin xiaoshou h40s" onClick={()=>this.props.statisticsy(false)}>返回</p>
+								</p>
+							<div className="ws40s sptits">视频统计总览</div>
 							<div className="ws50s sptitss xaxisreverseorder">播放数据从{this.props.watch_staticsdata&&this.props.watch_staticsdata.begin_at?this.props.watch_staticsdata.begin_at:0}开始统计</div>
 						</div>
 						<style>
diff --git a/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js b/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
index b64cd06ac..2dee66620 100644
--- a/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
+++ b/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
@@ -95,11 +95,11 @@ class Videostatisticscomtwo extends Component {
 					dataIndex: 'start_at',
 					key: 'start_at',
 					align: "center",
-					className: 'font-14 maxnamewidth100s',
-					width: '100px',
+					className: 'font-14 maxnamewidth90s',
+					width: '90px',
 					render: (text, record) => (
-						<span style={{width: '100px'}} >
-							<a  className="maxnamewidth100s" style={{
+						<span style={{width: '90px'}} >
+							<a  className="maxnamewidth90s" style={{
 								color:"#333333"
 							}}  title=	{record.start_at}>	{record.start_at}</a>
 						</span>
@@ -110,11 +110,11 @@ class Videostatisticscomtwo extends Component {
 					dataIndex: 'end_at',
 					key: 'end_at',
 					align: "center",
-					className: 'font-14 maxnamewidth100s',
-					width: '100px',
+					className: 'font-14 maxnamewidth90s',
+					width: '90px',
 					render: (text, record) => (
-						<span style={{width: '100px'}} >
-								<a  className="maxnamewidth100s" style={{
+						<span style={{width: '90px'}} >
+								<a  className="maxnamewidth90s" style={{
 									color:"#333333"
 								}}  title=	{record.end_at}>{record.end_at}</a>
 						</span>
@@ -203,7 +203,7 @@ class Videostatisticscomtwo extends Component {
 								number: (parseInt(this.state.page) - 1) * parseInt(this.state.limit) + (i + 1),
 								user_name: response.data.data[i].user_name,
 								is_finished: response.data.data[i].is_finished,
-								total_duration: response.data.data[i].total_duration,
+								total_duration: response.data.data[i].total_duration?formatSeconds(response.data.data[i].total_duration):0,
 								feq: response.data.data[i].feq,
 								start_at: response.data.data[i].start_at,
 								end_at: response.data.data[i].end_at,
@@ -291,10 +291,24 @@ class Videostatisticscomtwo extends Component {
 			}
 
 		} else {
-			data = {
-				id: CourseId,
-				page: this.state.page
+			try {
+				if(id!==null&&id===0){
+					data = {
+						id: CourseId,
+						page: this.state.page,
+						group_id: id
+					}
+				}else{
+					data = {
+						id: CourseId,
+						page: this.state.page
+					}
+				}
+
+			}catch (e) {
+
 			}
+
 		}
 		this.getdatas(data);
 	}
diff --git a/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js b/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
index fa24c9c32..a30d872de 100644
--- a/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
+++ b/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
@@ -152,7 +152,7 @@ class Videostatisticslist extends Component {
 								number: (parseInt(this.state.page) - 1) * parseInt(this.state.limit) + (i + 1),
 								title: response.data.videos[i].title,
 								people_num: response.data.videos[i].people_num,
-								total_time: response.data.videos[i].total_time,
+								total_time: response.data.videos[i].total_time?formatSeconds(response.data.videos[i].total_time):0,
 								user_name: response.data.videos[i].user_name,
 								id: response.data.videos[i].id,
 						})