diff --git a/public/react/src/modules/courses/busyWork/CommonWorkPost.js b/public/react/src/modules/courses/busyWork/CommonWorkPost.js
index edd7c7feb..fec3f02a1 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkPost.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkPost.js
@@ -429,7 +429,7 @@ class CommonWorkPost extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
       // console.log("到达底部");
 
      let{ search,page,limit }=this.state;
diff --git a/public/react/src/modules/courses/coursesPublic/PathModal.js b/public/react/src/modules/courses/coursesPublic/PathModal.js
index ec575aae8..a982e3870 100644
--- a/public/react/src/modules/courses/coursesPublic/PathModal.js
+++ b/public/react/src/modules/courses/coursesPublic/PathModal.js
@@ -126,7 +126,7 @@ class PathModal extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-    if(e.currentTarget.scrollHeight-allclientHeight>=0){
+    if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
 
     	if(shixunmodallist.subject_list.length===0){
 					return;
diff --git a/public/react/src/modules/courses/coursesPublic/SelectResource.js b/public/react/src/modules/courses/coursesPublic/SelectResource.js
index 58edbc0b9..c323d1bae 100644
--- a/public/react/src/modules/courses/coursesPublic/SelectResource.js
+++ b/public/react/src/modules/courses/coursesPublic/SelectResource.js
@@ -105,7 +105,7 @@ class Selectresource extends Component{
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
 		//滑动到底判断
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
 			let newpage=page+1;
 			let url
 			if(searchtype==="getallfiles"){
diff --git a/public/react/src/modules/courses/coursesPublic/ShixunModal.js b/public/react/src/modules/courses/coursesPublic/ShixunModal.js
index 1e1cd4cdb..e5c0edcf8 100644
--- a/public/react/src/modules/courses/coursesPublic/ShixunModal.js
+++ b/public/react/src/modules/courses/coursesPublic/ShixunModal.js
@@ -105,7 +105,7 @@ class ShixunModal extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0) {
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1) {
 
 			if (shixunmodallist.shixun_list.length === 0) {
 				return;
diff --git a/public/react/src/modules/courses/coursesPublic/modal/ShixunModal2.js b/public/react/src/modules/courses/coursesPublic/modal/ShixunModal2.js
index 8625fe26b..98c23e153 100644
--- a/public/react/src/modules/courses/coursesPublic/modal/ShixunModal2.js
+++ b/public/react/src/modules/courses/coursesPublic/modal/ShixunModal2.js
@@ -44,7 +44,7 @@ class ShixunModal extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop)
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop
 
-    if(e.currentTarget.scrollHeight-allclientHeight>=0){
+    if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
 
       let {Searchvalue,type,page}=this.state;
       let newpage=page+1
diff --git a/public/react/src/modules/courses/exercise/Ecerciseallbackagain.js b/public/react/src/modules/courses/exercise/Ecerciseallbackagain.js
index 47cfbe3d1..0deddfacf 100644
--- a/public/react/src/modules/courses/exercise/Ecerciseallbackagain.js
+++ b/public/react/src/modules/courses/exercise/Ecerciseallbackagain.js
@@ -56,7 +56,7 @@ class Ecerciseallbackagain extends Component{
 			let newscrollTop=parseInt(e.currentTarget.scrollTop);
 			let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-        if(e.currentTarget.scrollHeight-allclientHeight>=0){
+        if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
             let {page,limit,datalist}=this.state;
             let newpage=page+1;
             let newdata=datalist;
diff --git a/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitedit.js b/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitedit.js
index 717a8d7fb..b603e375d 100644
--- a/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitedit.js
+++ b/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitedit.js
@@ -282,7 +282,7 @@ class GraduationTasksSubmitedit extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
       // console.log("到达底部");
 
       let{ search,page,limit,workslist}=this.state;
diff --git a/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitnew.js b/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitnew.js
index 5f0bd236b..f406f48b1 100644
--- a/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitnew.js
+++ b/public/react/src/modules/courses/graduation/tasks/GraduationTasksSubmitnew.js
@@ -273,7 +273,7 @@ class GraduationTasksSubmitnew extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
       // console.log("到达底部");
 
      let{ search,page,limit }=this.state;
diff --git a/public/react/src/modules/courses/shixunHomework/Shixunworkdetails/ShixunWorkModal.js b/public/react/src/modules/courses/shixunHomework/Shixunworkdetails/ShixunWorkModal.js
index 6657e65f9..ec245c29b 100644
--- a/public/react/src/modules/courses/shixunHomework/Shixunworkdetails/ShixunWorkModal.js
+++ b/public/react/src/modules/courses/shixunHomework/Shixunworkdetails/ShixunWorkModal.js
@@ -89,7 +89,7 @@ class ShixunWorkModal extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
 			let {page,limit,group_list}=this.state;
 			let newpage=page+1;
 			let newgroup_list=group_list;
diff --git a/public/react/src/modules/message/js/MessagChat.js b/public/react/src/modules/message/js/MessagChat.js
index 8e81c1797..34494a256 100644
--- a/public/react/src/modules/message/js/MessagChat.js
+++ b/public/react/src/modules/message/js/MessagChat.js
@@ -87,7 +87,7 @@ class MessagChat extends Component{
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
 		//滑动到底判断
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
 			// console.log("滑动到底判断");
 			let {page}=this.state;
 			let newpage=page+1
diff --git a/public/react/src/modules/paths/PathDetail/DetailCardsEditAndAdd.js b/public/react/src/modules/paths/PathDetail/DetailCardsEditAndAdd.js
index 288dda1f8..d1bf6e1f0 100644
--- a/public/react/src/modules/paths/PathDetail/DetailCardsEditAndAdd.js
+++ b/public/react/src/modules/paths/PathDetail/DetailCardsEditAndAdd.js
@@ -302,7 +302,7 @@ class DetailCardsEditAndAdd extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
 
        if(ChooseShixunList.shixun_list.length===0){
        	return
diff --git a/public/react/src/modules/paths/PathDetail/DetailCardsEditAndEdit.js b/public/react/src/modules/paths/PathDetail/DetailCardsEditAndEdit.js
index 129a5ad08..e98132252 100644
--- a/public/react/src/modules/paths/PathDetail/DetailCardsEditAndEdit.js
+++ b/public/react/src/modules/paths/PathDetail/DetailCardsEditAndEdit.js
@@ -342,7 +342,7 @@ class DetailCardsEditAndEdit extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
 
 			if(ChooseShixunList.shixun_list.length===0){
 				return
diff --git a/public/react/src/modules/paths/PathDetail/addCollaborators.js b/public/react/src/modules/paths/PathDetail/addCollaborators.js
index a6067b94d..7a31b8775 100644
--- a/public/react/src/modules/paths/PathDetail/addCollaborators.js
+++ b/public/react/src/modules/paths/PathDetail/addCollaborators.js
@@ -130,7 +130,7 @@ class addCollaborators extends Component{
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
       // console.log("到达底部");
 
       let id=this.props.match.params.pathId;
diff --git a/public/react/src/modules/tpm/shixunchild/Collaborators/Collaborators.js b/public/react/src/modules/tpm/shixunchild/Collaborators/Collaborators.js
index 533723f5c..0212b4ba4 100644
--- a/public/react/src/modules/tpm/shixunchild/Collaborators/Collaborators.js
+++ b/public/react/src/modules/tpm/shixunchild/Collaborators/Collaborators.js
@@ -375,7 +375,7 @@ class Collaborators extends Component {
 		let newscrollTop=parseInt(e.currentTarget.scrollTop);
 		let allclientHeight=e.currentTarget.clientHeight+newscrollTop;
 
-		if(e.currentTarget.scrollHeight-allclientHeight>=0){
+		if(e.currentTarget.scrollHeight-allclientHeight===0||e.currentTarget.scrollHeight-allclientHeight===1||e.currentTarget.scrollHeight-allclientHeight===-1){
 			let {page,collaboratorList,user_name,school_name,Searchadmin} = this.state;
 			let newpage=page+1;
       let newSearchadmin=Searchadmin