diff --git a/public/react/src/modules/courses/Video/VideoIndex.js b/public/react/src/modules/courses/Video/VideoIndex.js
index d1ac45fe1..d8e600f4c 100644
--- a/public/react/src/modules/courses/Video/VideoIndex.js
+++ b/public/react/src/modules/courses/Video/VideoIndex.js
@@ -74,13 +74,18 @@ class VideoIndex extends Component {
 		}
 	}
 	componentDidUpdate = (prevProps) => {
-		if (this.props.homedirectory !== prevProps.homedirectory) {
-			if(this.props.homedirectory ===true){
-				this.setState({
-					statistics:false,
-				})
+		try {
+			if (this.props.homedirectory !== prevProps.homedirectory) {
+				if(this.props.homedirectory ===true){
+					this.setState({
+						statistics:false,
+					})
+				}
 			}
+		}catch (e) {
+
 		}
+
 		if (this.props.match.params.videoId !== prevProps.match.params.videoId) {
 			this.setState({
 				upload: false,
diff --git a/public/react/src/modules/courses/signin/css/signincdi.css b/public/react/src/modules/courses/signin/css/signincdi.css
index bd45185b9..a7fbbb20a 100644
--- a/public/react/src/modules/courses/signin/css/signincdi.css
+++ b/public/react/src/modules/courses/signin/css/signincdi.css
@@ -188,6 +188,9 @@
     padding-top: 20px;
     padding-bottom: 20px;
 }
+.pdinstop0{
+    padding-top: 0px !important;
+}
 .teacherentrydivss{
     padding-left: 20px;
     padding-right: 20px;
@@ -414,6 +417,14 @@
     white-space:nowrap;
     cursor: default;
 }
+.maxnamewidth200yss{
+    text-align: center;
+    max-width:200px;
+    overflow:hidden;
+    text-overflow:ellipsis;
+    white-space:nowrap;
+    cursor: default;
+}
 .maxnamewidth100s{
     width: 100px;
     max-width: 100px;
diff --git a/public/react/src/modules/courses/signin/teacher/Teachers_signin.js b/public/react/src/modules/courses/signin/teacher/Teachers_signin.js
index bda49fa6a..7d814ac47 100644
--- a/public/react/src/modules/courses/signin/teacher/Teachers_signin.js
+++ b/public/react/src/modules/courses/signin/teacher/Teachers_signin.js
@@ -49,6 +49,7 @@ class Students_signin extends Component{
 			page:1,
 			limit:5
 		}
+
   this.gogetdatas(data);
 
 		// const query = this.props.location.search;
@@ -58,8 +59,17 @@ class Students_signin extends Component{
 	}
 
 	componentDidUpdate = (prevProps) => {
+		try {
+			if (this.props.homedirectory !== prevProps.homedirectory) {
+				if(this.props.homedirectory ===true){
+					this.setState({
+						switchs:false,
+					})
+				}
+			}
+		}catch (e) {
 
-
+		}
 	}
 
 	callback=(key)=> {
diff --git a/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js b/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
index d7773b523..637a2a0fd 100644
--- a/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
+++ b/public/react/src/modules/courses/videostatistics/component/Videostatisticscomtwo.js
@@ -404,7 +404,7 @@ class Videostatisticscomtwo extends Component {
 			<Menu>
 				<Menu.Item>
 					<a onClick={() => this.setcourse_groups(null)}>
-						<p className="maxnamewidth200s">全部</p>
+						<p className="maxnamewidth200yss">全部</p>
 					</a>
 				</Menu.Item>
 				{
@@ -414,7 +414,7 @@ class Videostatisticscomtwo extends Component {
 								return (
 									<Menu.Item>
 										<a onClick={() => this.setcourse_groups(item.id)} key={key}>
-											<p className="maxnamewidth200s">{item.name}</p>
+											<p className="maxnamewidth200yss">{item.name}</p>
 										</a>
 									</Menu.Item>
 								)
@@ -472,7 +472,7 @@ class Videostatisticscomtwo extends Component {
 							}
 						</style>
 
-								<div className="ws100s ysltableo">
+								<div className="ws100s ysltableo mt10">
 									{
 										data.length === 0 ?
 											<div style={{
diff --git a/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js b/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
index 21f3ed9a0..4a0667e5b 100644
--- a/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
+++ b/public/react/src/modules/courses/videostatistics/component/Videostatisticslist.js
@@ -266,7 +266,7 @@ class Videostatisticslist extends Component {
 							}
 						</style>
 
-								<div className="ws100s ysltableo teacherentrydivs">
+								<div className="ws100s ysltableo teacherentrydivs pdinstop0">
 									{
 										data.length===0?
 											<div style={{