diff --git a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
index c2930bcdf..09cfdf947 100644
--- a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
+++ b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
@@ -1246,43 +1246,43 @@ class Studentshavecompletedthelist extends Component {
 					this.Generatenewdatas(response.data.exercise_users);
 					if (response.data.exercise_types.subjective === 0) {
 						if (this.state.noclassroom === undefined || this.state.noclassroom === "" || this.state.noclassroom === null) {
-							this.state.columnss.map((item,key)=>{
+							var arr =[];
+							for(var i=0;i<this.state.columnss.length;i++){
+								var item = this.state.columnss[i];
 								if(item.title==="分班"){
-									this.state.columnss.splice(key,1)
 								}
-								if(item.title==="客观题得分"){
-									this.state.columnss.splice(key,1)
+								else if(item.title==="客观题得分"){
 								}
-								if(item.title==="主观题得分"){
-									this.state.columnss.splice(key,1)
+								else if(item.title==="主观题得分"){
 								}
-								if(this.props.isNotMember()===true) {
-									if(item.title==="学号"){
-										this.state.columnss.splice(key,1)
-									}
+								else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 								}
-								})
-							let columnss2=this.state.columnss;
+								else{
+									arr.push(item);
+								}
+							}
 							this.setState({
-								columnss: columnss2,
+								columnss: arr,
 							})
+
 						} else {
-							this.state.columnss.map((item,key)=>{
+							var arr =[];
+							for(var i=0;i<this.state.columnss.length;i++){
+								var item = this.state.columnss[i];
 								if(item.title==="客观题得分"){
-									this.state.columnss.splice(key,1)
 								}
 								if(item.title==="主观题得分"){
-									this.state.columnss.splice(key,1)
 								}
-								if(this.props.isNotMember()===true) {
-									if(item.title==="学号"){
-										this.state.columnss.splice(key,1)
-									}
+								else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 								}
-							})
-							let columnss2=this.state.columnss;
+								else{
+									arr.push(item);
+								}
+							}
 							this.setState({
-								columnss: columnss2
+								columnss: arr
 							})
 						}
 
@@ -1291,73 +1291,73 @@ class Studentshavecompletedthelist extends Component {
 					//学生已截止
 					if (response.data.exercise_types.subjective === 0) {
 						if (this.state.loadingstate === false) {
-							this.state.columnstwo.map((item,key)=>{
+							var arr =[];
+							for(var i=0;i<this.state.columnstwo.length;i++){
+								var item = this.state.columnstwo[i];
 								if(item.title==="客观题得分"){
-									this.state.columnstwo.splice(key,1)
 								}
-								if(item.title==="主观题得分"){
-									this.state.columnstwo.splice(key,1)
+								else if(item.title==="主观题得分"){
 								}
-								if(this.props.isNotMember()===true) {
-									if(item.title==="学号"){
-										this.state.columnstwo.splice(key,1)
-									}
+								else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 								}
-							})
-							let columnstwo2=this.state.columnstwo;
-							this.state.columns.map((item,key)=>{
+								else{
+									arr.push(item);
+								}
+							}
+
+							var arr2 =[];
+							for(var i=0;i<this.state.columns.length;i++){
+								var item = this.state.columns[i];
 								if(item.title==="客观题得分"){
-									this.state.columns.splice(key,1)
 								}
-								if(item.title==="主观题得分"){
-									this.state.columns.splice(key,1)
+								else if(item.title==="主观题得分"){
 								}
-								if(this.props.isNotMember()===true) {
-									if(item.title==="学号"){
-										this.state.columns.splice(key,1)
-									}
+								else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 								}
-							})
-							let columns2=this.state.columns
+								else{
+									arr2.push(item);
+								}
+							}
 							thiss.setState({
-								columns: columns2,
-								columnstwo: columnstwo2,
+								columns: arr2,
+								columnstwo: arr,
 								loadingstate: true,
 							})
 						} else {
-							this.state.columnstwo.map((item,key)=>{
+
+							var arr =[];
+							for(var i=0;i<this.state.columnstwo.length;i++){
+								var item = this.state.columnstwo[i];
 								if(item.title==="客观题得分"){
-									this.state.columnstwo.splice(key,1)
 								}
-								if(item.title==="主观题得分"){
-									this.state.columnstwo.splice(key,1)
+								else if(item.title==="主观题得分"){
 								}
-								if(this.props.isNotMember()===true) {
-									if(item.title==="学号"){
-										this.state.columnstwo.splice(key,1)
-									}
+								else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 								}
-							})
-							let columnstwo2=this.state.columnstwo;
-							this.state.columns.map((item,key)=>{
-								if(item.title==="客观题得分"){
-									this.state.columns.splice(key,1)
+								else{
+									arr.push(item);
 								}
-								if(item.title==="主观题得分"){
-									this.state.columns.splice(key,1)
+							}
+							var arr2 =[];
+							for(var i=0;i<this.state.columns.length;i++){
+								var item = this.state.columns[i];
+								if(item.title==="客观题得分"){
 								}
-								if(this.props.isNotMember()===true) {
-									if(item.title==="学号"){
-										this.state.columns.splice(key,1)
-									}
+								else if(item.title==="主观题得分"){
 								}
-							})
-							let columns2=this.state.columns
-
+								else if(this.props.isNotMember()===true&&item.title==="学号") {
 
+								}
+								else{
+									arr2.push(item);
+								}
+							}
 							thiss.setState({
-								columns: columns2,
-								columnstwo:columnstwo2,
+								columns: arr2,
+								columnstwo:arr,
 							})
 						}
 
@@ -1610,37 +1610,39 @@ class Studentshavecompletedthelist extends Component {
 				current_answer_user: response.data.current_answer_user,
 			})
 			if (response.data.exercise_types.subjective === 0) {
-				this.state.columnstwo.map((item,key)=>{
+
+				var arr =[];
+				for(var i=0;i<this.state.columnstwo.length;i++){
+					var item = this.state.columnstwo[i];
 					if(item.title==="客观题得分"){
-						this.state.columnstwo.splice(key,1)
 					}
-					if(item.title==="主观题得分"){
-						this.state.columnstwo.splice(key,1)
+					else if(item.title==="主观题得分"){
 					}
-					if(this.props.isNotMember()===true) {
-						if(item.title==="学号"){
-							this.state.columnstwo.splice(key,1)
-						}
+					else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 					}
-				})
-				let columnstwo2=this.state.columnstwo;
-				this.state.columns.map((item,key)=>{
+					else{
+						arr.push(item);
+					}
+				}
+
+				var arr2 =[];
+				for(var i=0;i<this.state.columns.length;i++){
+					var item = this.state.columns[i];
 					if(item.title==="客观题得分"){
-						this.state.columns.splice(key,1)
 					}
-					if(item.title==="主观题得分"){
-						this.state.columns.splice(key,1)
+					else if(item.title==="主观题得分"){
 					}
-					if(this.props.isNotMember()===true) {
-						if(item.title==="学号"){
-							this.state.columns.splice(key,1)
-						}
+					else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 					}
-				})
-				let columns2=this.state.columns
+					else{
+						arr2.push(item);
+					}
+				}
 				this.setState({
-					columns: columns2,
-					columnstwo: columnstwo2,
+					columns: arr2,
+					columnstwo: arr,
 					loadingstate: false,
 				})
 			}
@@ -1706,7 +1708,6 @@ class Studentshavecompletedthelist extends Component {
 			// }
 		}
 
-
 		if (response.data.exercise_types.subjective === 0) {
 			//===0 不包括主观题
 			if (indexi === exercise_users.length) {
@@ -1715,20 +1716,25 @@ class Studentshavecompletedthelist extends Component {
 					// console.log("77771111111");
 					//分班大于0显示分班
 					//7ge
-					this.state.columnsys.map((item,key)=>{
+					// this.state.columnsys.map((item,key)=>{
+					//
+					// })
+					var arr =[];
+					for(var i=0;i<this.state.columnsys.length;i++){
+						var item = this.state.columnsys[i];
 						if(item.title==="客观题得分"){
-							this.state.columnsys.splice(key,1)
 						}
-						if(item.title==="主观题得分"){
-							this.state.columnsys.splice(key,1)
+						else if(item.title==="主观题得分"){
 						}
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnsys.splice(key,1)
-							}
+						else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 						}
-					})
-					thiss.setState({
+						else{
+							arr.push(item);
+						}
+					}
+
+					this.setState({
 						data: datalist,
 						teacherlist: teacherlist,
 						Teacherliststudentlist: response.data,
@@ -1737,27 +1743,27 @@ class Studentshavecompletedthelist extends Component {
 						exercise_users: response.data.exercise_users,
 						course_groups: response.data.course_groups,
 						loadingstate: false,
-						columnsys: this.state.columnsys,
+						columnsys: arr,
 					})
 				} else {
 					//分班小于0不显示分班
 					//6ge
-					this.state.columnsys.map((item,key)=>{
+
+					var arr =[];
+					for(var i=0;i<this.state.columnsys.length;i++){
+						var item = this.state.columnsys[i];
 						if(item.title==="分班"){
-							this.state.columnsys.splice(key,1)
 						}
-						if(item.title==="客观题得分"){
-							this.state.columnsys.splice(key,1)
+						else if(item.title==="客观题得分"){
 						}
-						if(item.title==="主观题得分"){
-							this.state.columnsys.splice(key,1)
+						else if(item.title==="主观题得分"){
 						}
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnsys.splice(key,1)
-							}
+						else if(this.props.isNotMember()===true&&item.title==="学号") {
 						}
-					})
+						else{
+							arr.push(item);
+						}
+					}
 
 					thiss.setState({
 						data: datalist,
@@ -1768,7 +1774,7 @@ class Studentshavecompletedthelist extends Component {
 						commit_status: response.data.commit_status,
 						exercise_users: response.data.exercise_users,
 						course_groups: response.data.course_groups,
-						columnsys: this.state.columnsys,
+						columnsys: arr,
 					})
 				}
 
@@ -1778,19 +1784,23 @@ class Studentshavecompletedthelist extends Component {
 				if (response.data.exercise_types.groups_count > 0) {
 					//显示分班
 					//8ge
-					this.state.columnsys.map((item,key)=>{
+
+          var arr =[];
+					for(var i=0;i<this.state.columnsys.length;i++){
+						var item = this.state.columnsys[i];
 						if(item.title==="客观题得分"){
-							this.state.columnsys.splice(key,1)
 						}
-						if(item.title==="主观题得分"){
-							this.state.columnsys.splice(key,1)
+						else if(item.title==="主观题得分"){
 						}
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnsys.splice(key,1)
-							}
+						else if(this.props.isNotMember()===true&&item.title==="学号") {
+
+						}else{
+							arr.push(item);
 						}
-					})
+					}
+					// console.log(thiss.state.columnsys);
+					// console.log(arr);
+
 					this.setState({
 						data: datalist,
 						teacherlist: teacherlist,
@@ -1800,27 +1810,28 @@ class Studentshavecompletedthelist extends Component {
 						exercise_users: response.data.exercise_users,
 						course_groups: response.data.course_groups,
 						loadingstate: false,
-						columnsys:	this.state.columnsys,
+						columnsys:	arr,
 					})
 				} else {
 					//不显示分班
 					//7ge
-					this.state.columnsys.map((item,key)=>{
+					var arr =[];
+					for(var i=0;i<this.state.columnsys.length;i++){
+						var item = this.state.columnsys[i];
 						if(item.title==="分班"){
-							this.state.columnsys.splice(key,1)
 						}
-						if(item.title==="客观题得分"){
-							this.state.columnsys.splice(key,1)
+						else if(item.title==="客观题得分"){
 						}
-						if(item.title==="主观题得分"){
-							this.state.columnsys.splice(key,1)
+						else if(item.title==="主观题得分"){
 						}
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnsys.splice(key,1)
-							}
+						else if(this.props.isNotMember()===true&&item.title==="学号") {
+
+						}else{
+							arr.push(item);
 						}
-					})
+					}
+
+
 					this.setState({
 						data: datalist,
 						teacherlist: teacherlist,
@@ -1830,7 +1841,7 @@ class Studentshavecompletedthelist extends Component {
 						exercise_users: response.data.exercise_users,
 						course_groups: response.data.course_groups,
 						loadingstate: false,
-						columnsys: this.state.columnsys,
+						columnsys: arr,
 					})
 				}
 
@@ -1842,13 +1853,16 @@ class Studentshavecompletedthelist extends Component {
 				console.log("2548包含主观题不包含分班");
 
 				if (response.data.exercise_types.groups_count > 0) {
-					this.state.columnsys.map((item,key)=>{
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnsys.splice(key,1)
-							}
+					var arr =[];
+					for(var i=0;i<this.state.columnsys.length;i++){
+						var item = this.state.columnsys[i];
+						if(this.props.isNotMember()===true&&item.title==="学号") {
+
 						}
-					})
+						else{
+							arr.push(item);
+						}
+					}
 					this.setState({
 						data: datalist,
 						teacherlist: teacherlist,
@@ -1857,19 +1871,22 @@ class Studentshavecompletedthelist extends Component {
 						commit_status: response.data.commit_status,
 						exercise_users: response.data.exercise_users,
 						course_groups: response.data.course_groups,
-						columnsys: this.state.columnsys,
+						columnsys: arr,
 					})
 				} else {
-					this.state.columnsys.map((item,key)=>{
+					var arr =[];
+					for(var i=0;i<this.state.columnsys.length;i++){
+						var item = this.state.columnsys[i];
 						if(item.title==="分班"){
-							this.state.columnsys.splice(key,1)
+
 						}
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnsys.splice(key,1)
-							}
+						else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 						}
-					})
+						else{
+							arr.push(item);
+						}
+					}
 					this.setState({
 						data: datalist,
 						teacherlist: teacherlist,
@@ -1878,7 +1895,7 @@ class Studentshavecompletedthelist extends Component {
 						commit_status: response.data.commit_status,
 						exercise_users: response.data.exercise_users,
 						course_groups: response.data.course_groups,
-						columnsys: this.state.columnsys,
+						columnsys:arr,
 					})
 				}
 			} else {
@@ -1896,16 +1913,19 @@ class Studentshavecompletedthelist extends Component {
 						columnsys: this.state.columnsystwo,
 					})
 				} else {
-					this.state.columnsys.map((item,key)=>{
+					var arr =[];
+					for(var i=0;i<this.state.columnsys.length;i++){
+						var item = this.state.columnsys[i];
 						if(item.title==="分班"){
-							this.state.columnsys.splice(key,1)
+
 						}
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnsys.splice(key,1)
-							}
+						else if(this.props.isNotMember()===true&&item.title==="学号") {
+
 						}
-					})
+						else{
+							arr.push(item);
+						}
+					}
 					this.setState({
 						data: datalist,
 						teacherlist: teacherlist,
@@ -1915,7 +1935,7 @@ class Studentshavecompletedthelist extends Component {
 						exercise_users: response.data.exercise_users,
 						course_groups: response.data.course_groups,
 						loadingstate: false,
-						columnsys: this.state.columnsys,
+						columnsys: arr,
 					})
 				}
 
diff --git a/public/react/src/modules/courses/shixunHomework/Listofworks.js b/public/react/src/modules/courses/shixunHomework/Listofworks.js
index 30a0af582..67f1ed656 100644
--- a/public/react/src/modules/courses/shixunHomework/Listofworks.js
+++ b/public/react/src/modules/courses/shixunHomework/Listofworks.js
@@ -753,6 +753,7 @@ class Listofworks extends Component {
 		let {page, limit} = this.state;
 		let datalist = [];
 		let columns = this.state.columns;
+		// var  columns2=[];
 		if (teacherdata !== undefined) {
 			for (var i = 0; i < student_works.length; i++) {
 				var timedata = moment(student_works[i].update_time).format('YYYY-MM-DD HH:mm');
@@ -768,7 +769,7 @@ class Listofworks extends Component {
 					updatetime: timedata === "Invalid date" ? "--" : timedata,
 					completion: student_works[i].complete_count === null ? "0" :student_works[i].complete_count === undefined ? "0": student_works[i].complete_count,
 					levelscore: student_works[i].final_score,
-					efficiencyscore: student_works[i].eff_score,
+					efficiencyscore: student_works[i].eff_score==="0.0"?"--":student_works[i].eff_score==="0"?"--":student_works[i].eff_score,
 					finalscore: student_works[i].work_score,
 					operating: "查看",
 					late_penalty: student_works[i].late_penalty=== null?"0":student_works[i].late_penalty === undefined?"0":student_works[i].late_penalty,
@@ -787,84 +788,84 @@ class Listofworks extends Component {
 			if (work_efficiency === false) {
 				if(JSON.stringify(course_group_info) === "[]"|| course_group_info === undefined||course_group_info === null){
 					//这里没有分班 没有 关卡得分 没有效率分
-					columns.map((item,key)=>{
+					for(var i=0;i< this.state.columns.length;i++){
+						var item =  this.state.columns[i];
 						if(item.title==="分班"){
-							columns.splice(key,1)
 						}
-						if(item.title==="关卡得分"){
-							columns.splice(key,1)
+						else if(item.title==="关卡得分"){
 						}
-						if(item.title==="效率分"){
-							columns.splice(key,1)
+						else if(item.title==="效率分"){
 						}
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnss.splice(key,1)
-							}
+						else if(this.props.isNotMember()===true&&item.title==="学号") {
+
+						}else{
+							columns.push(item);
 						}
-					})
+					}
+
+
 				}else{
 					if(course_group_info.length < 2){
-
-						columns.map((item,key)=>{
+						for(var i=0;i< this.state.columns.length;i++){
+							var item =  this.state.columns[i];
 							if(item.title==="分班"){
-								columns.splice(key,1)
 							}
-							if(item.title==="关卡得分"){
-								columns.splice(key,1)
+							else if(item.title==="关卡得分"){
 							}
-							if(item.title==="效率分"){
-								columns.splice(key,1)
+							else if(item.title==="效率分"){
 							}
-							if(this.props.isNotMember()===true) {
-								if(item.title==="学号"){
-									this.state.columnss.splice(key,1)
-								}
+							else if(this.props.isNotMember()===true&&item.title==="学号") {
+
+							}else{
+								columns.push(item);
 							}
-						})
-					}else {
+						}
 
-						columns.map((item,key)=>{
-							if(item.title==="关卡得分"){
-								columns.splice(key,1)
+					}else {
+						for(var i=0;i< this.state.columns.length;i++){
+							var item =  this.state.columns[i];
+						  if(item.title==="关卡得分"){
 							}
-							if(item.title==="效率分"){
-								columns.splice(key,1)
+							else if(item.title==="效率分"){
 							}
-							if(this.props.isNotMember()===true) {
-								if(item.title==="学号"){
-									this.state.columnss.splice(key,1)
-								}
+							else if(this.props.isNotMember()===true&&item.title==="学号") {
+
+							}else{
+								columns.push(item);
 							}
-						})
+						}
 					}
 				}
 			}else {
 				if(JSON.stringify(course_group_info) === "[]"|| course_group_info === undefined || course_group_info === null){
 
-					columns.map((item,key)=>{
-						if(item.title==="分班"){
-							columns.splice(key,1)
+
+					for(var i=0;i< this.state.columns.length;i++){
+						var item =  this.state.columns[i];
+						 if(item.title==="分班"){
 						}
-						if(this.props.isNotMember()===true) {
-							if(item.title==="学号"){
-								this.state.columnss.splice(key,1)
-							}
+						else if(this.props.isNotMember()===true&&item.title==="学号") {
+
+						}else{
+							 columns.push(item);
 						}
-					})
+					}
+
+
+
+
 				}else {
 					if(course_group_info.length < 2) {
-
-						columns.map((item,key)=>{
+						for(var i=0;i< this.state.columns.length;i++){
+							var item =  this.state.columns[i];
 							if(item.title==="分班"){
-								columns.splice(key,1)
 							}
-							if(this.props.isNotMember()===true) {
-								if(item.title==="学号"){
-									this.state.columnss.splice(key,1)
-								}
+							else if(this.props.isNotMember()===true&&item.title==="学号") {
+
+							}else{
+								columns.push(item);
 							}
-						})
+						}
 					}
 					columns=this.state.columnss;
 				}
diff --git a/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js b/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
index 2974bf6ac..cac639d13 100644
--- a/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
+++ b/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
@@ -391,16 +391,16 @@ class Listofworksstudentone extends Component {
 		let datalist = [];
 		let datalists = [];
 		var styletable = {"display": "none"}
+		var arr =[];
+		for(var i=0;i<this.state.columns.length;i++){
+			var item = this.state.columns[i];
+			if(this.props.isNotMember()===true&&item.title==="学号") {
 
-		this.state.columns.map((item,key)=>{
-			if(this.props.isNotMember()===true) {
-				if(item.title==="学号"){
-					this.state.columns.splice(key,1)
-				}
+			}else{
+				arr.push(item);
 			}
-		})
-		let columns2=this.state.columns;
-
+		}
+		let columns2=	arr;
 		var teacherlist = undefined;
 		var teacherlists = undefined;
 		if (teacherdata !== undefined) {
@@ -509,14 +509,18 @@ class Listofworksstudentone extends Component {
 	// 设置数据
 	seacthdata = (teacherdata) => {
 		let datalist = [];
-		this.state.columns.map((item,key)=>{
-			if(this.props.isNotMember()===true) {
-				if(item.title==="学号"){
-					this.state.columns.splice(key,1)
-				}
+
+
+		var arr =[];
+		for(var i=0;i<this.state.columns.length;i++){
+			var item = this.state.columns[i];
+			 if(this.props.isNotMember()===true&&item.title==="学号") {
+
+			}else{
+				arr.push(item);
 			}
-		})
-		let columns2=this.state.columns;
+		}
+		let columns2=	arr;
 
 		if (teacherdata !== undefined) {
 			// console.log("seacthdata设置数据")
diff --git a/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js b/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
index 922496d69..d0395ff03 100644
--- a/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
+++ b/public/react/src/modules/courses/shixunHomework/Workquestionandanswer.js
@@ -410,10 +410,33 @@ class Workquestionandanswer extends Component {
                                     to={`/courses/${this.state.props.match.params.coursesId}/${this.state.shixuntypes}/${this.state.props.match.params.homeworkid}/settings`}
                                 >设置</Link>
                                 {/*<a className="fr color-blue font-16"   href={`/api/homework_commons/${this.props.match.params.coursesId}/works_list.xls`}>导出成绩</a>*/}
-                                {this.props.isAdmin() ? <a
-                                  className="fr color-blue font-16"
-                                  href={`/api/homework_commons/${this.props.match.params.coursesId}/works_list.xlsx`}
-                                >导出</a> : ""}
+                                <style>{`
+                        .drop_down_menu li a {
+                            padding: 0px;
+                            font-size: 14px;
+                        }
+                        .drop_down_menu {
+                            width: 93px;
+                        }
+                        .drop_down_menu li {
+                            overflow: visible;
+                            width: 93px;
+                        }
+                        .drop_down_menu, .drop_down_normal {
+                            padding-top: 10px;
+                            padding-bottom: 8px;
+                        }
+                        a:hover {
+                        color:#1A0B00 !important;
+                        }
+                        `}</style>
+                                {this.props.isAdmin() ?  <li className="li_line drop_down fr color-blue font-16 mr8 mt20" style={{"padding":"0 20px"}}>
+                                    导出<i className="iconfont icon-xiajiantou font-12 ml2"></i>
+                                    <ul className="drop_down_menu" style={{"right":"-0px","left":"unset","height":"auto"}}>
+                                        <li><a href={`/api/student_works/${jobsettingsdata === undefined ? "" :jobsettingsdata.data.category.category_id}/export_shixun_work_report.pdf`} >实训报告</a></li>
+                                        <li><a href={`/api/homework_commons/${jobsettingsdata === undefined ? "" :jobsettingsdata.data.category.category_id}/works_list.xlsx`} >学生成绩</a></li>
+                                    </ul>
+                                </li> : ""}
                                 {this.props.isAdmin() ?jobsettingsdata&&jobsettingsdata.data.end_immediately===true?
                                   <a className="fr color-blue font-16" onClick={this.homeworkends}>立即截止</a>:"" : ""}
                                 {this.props.isAdmin() ?jobsettingsdata&&jobsettingsdata.data.publish_immediately===true?
diff --git a/public/react/src/modules/user/FindPasswordComponent.js b/public/react/src/modules/user/FindPasswordComponent.js
index 393dbc023..2fe5df943 100644
--- a/public/react/src/modules/user/FindPasswordComponent.js
+++ b/public/react/src/modules/user/FindPasswordComponent.js
@@ -185,27 +185,44 @@ class LoginRegisterComponent extends Component {
 	};
 	loginInputonChange = (e) => {
 		// console.log(e.target.value);
+		var stirngt;
+		if(e.target.value.length>0){
+			var str=  e.target.value.replace(/\s*/g,"")
+			stirngt=str;
+		}else{
+			stirngt=  e.target.value;
+		}
 		this.setState({
-			login: e.target.value,
+			login: stirngt,
 		})
-
-
 	}
 	loginInputonChanges = (e) => {
 		// console.log(e.target.value);
+		var stirngt;
+		if(e.target.value.length>0){
+			var str=  e.target.value.replace(/\s*/g,"")
+			stirngt=str;
+		}else{
+			stirngt=  e.target.value;
+		}
 		this.setState({
-			password: e.target.value,
+			password: stirngt,
 		})
 
-
 	}
 	loginInputonChangess = (e) => {
 		// console.log(e.target.value);
+		var stirngt;
+		if(e.target.value.length>0){
+			var str=  e.target.value.replace(/\s*/g,"")
+			stirngt=str;
+		}else{
+			stirngt=  e.target.value;
+		}
 		this.setState({
-			passwords: e.target.value,
+			passwords: stirngt,
 		})
 
-
 	}
 	//获取code
 	codesonChange = (e) => {
@@ -380,12 +397,12 @@ class LoginRegisterComponent extends Component {
 						{
 							Phonenumberisnotco && Phonenumberisnotco != "" ?
 								<p className="color-red  mt5 mb5" style={{width: " 100%", height: "20px"}}>
-									<span className="fl" style={{textAlign: "center", width: " 100%"}}>{Phonenumberisnotco}</span>
+									<span className="fl" style={{textAlign: "left", width: " 100%"}}>{Phonenumberisnotco}</span>
 								</p>
 								: <div style={{height: "25px"}}></div>
 						}
 						<DragValidator
-							height={38} successGreenColor="#45E15F"
+							height={38} successGreenColor="#b0e811"
 							style={{height: "38px", width: "100%"}}
 							dragOkCallback={this.dragOkCallback}
 						></DragValidator>
diff --git a/public/react/src/modules/user/LoginRegisterComponent.js b/public/react/src/modules/user/LoginRegisterComponent.js
index 9d7790ee1..12afd7831 100644
--- a/public/react/src/modules/user/LoginRegisterComponent.js
+++ b/public/react/src/modules/user/LoginRegisterComponent.js
@@ -468,11 +468,17 @@ class LoginRegisterComponent extends Component {
     //获取登入
     loginInputonChange = (e) => {
         // console.log(e.target.value);
+        var stirngt;
+        if(e.target.value.length>0){
+            var str=  e.target.value.replace(/\s*/g,"")
+            stirngt=str;
+        }else{
+            stirngt=  e.target.value;
+        }
         this.setState({
-            login: e.target.value,
+            login: stirngt,
         })
 
-
     }
     //失去焦点判断
     inputOnBlur = (e, id) => {
@@ -482,23 +488,48 @@ class LoginRegisterComponent extends Component {
     //获取登入密码
     passwordonChange = (e) => {
         // console.log(e.target.value);
+        var stirngt;
+        if(e.target.value.length>0){
+            var str=  e.target.value.replace(/\s*/g,"")
+            stirngt=str;
+        }else{
+            stirngt=  e.target.value;
+        }
         this.setState({
-            password: e.target.value
+            password: stirngt,
         })
+        // this.setState({
+        //     password: e.target.value
+        // })
     }
     //获取注册登入
     loginInputonChanges = (e) => {
         // console.log(e.target.value);
+
+        var stirngt;
+          if(e.target.value.length>0){
+           var str=  e.target.value.replace(/\s*/g,"")
+              stirngt=str;
+          }else{
+              stirngt=  e.target.value;
+          }
         this.setState({
-            logins: e.target.value,
+            logins: stirngt,
         })
 
     }
     //获取注册密码
     passwordonChanges = (e) => {
         // console.log(e.target.value);
+        var stirngt;
+        if(e.target.value.length>0){
+            var str=  e.target.value.replace(/\s*/g,"")
+            stirngt=str;
+        }else{
+            stirngt=  e.target.value;
+        }
         this.setState({
-            passwords: e.target.value
+            passwords: stirngt,
         })
     }
     //获取code
@@ -527,6 +558,12 @@ class LoginRegisterComponent extends Component {
         // this.props.history.push(`/courses/${this.props.match.params.coursesId}/exercises/${this.props.match.params.Id}/student_exercise_list?tab=`+e.key)
 
     }
+    loginonkeyup =(e)=>{
+        if(e.keyCode==32){
+
+            return false;
+        }
+    }
     render() {
         const {
             activeKey,
@@ -612,7 +649,7 @@ class LoginRegisterComponent extends Component {
                             {
                                 Phonenumberisnotco && Phonenumberisnotco != "" ?
                                     <p className="color-red  mt5 mb5" style={{width: " 100%", height: "20px"}}>
-                                        <span className="fl" style={{textAlign:"center",width: " 100%"}}>{Phonenumberisnotco}</span>
+                                        <span className="fl" style={{textAlign:"left",width: " 100%"}}>{Phonenumberisnotco}</span>
                                     </p>
                                     : <div style={{height:"25px"}}></div>
                             }
@@ -669,14 +706,14 @@ class LoginRegisterComponent extends Component {
                             {
                                 Phonenumberisnotcos && Phonenumberisnotcos != "" ?
                                     <p className="color-red  mt5 mb5  " style={{width: " 100%", height: "20px"}}>
-                                        <span className="fl" style={{textAlign:"center",width: " 100%"}}>{Phonenumberisnotcos}</span>
+                                        <span className="fl" style={{textAlign:"left",width: " 100%"}}>{Phonenumberisnotcos}</span>
                                     </p>
                                     : <div style={{height:"25px"}}></div>
 
                             }
 
                             <DragValidator
-                                height={38} className="loginInput" successGreenColor="#45E15F"
+                                height={38} className="loginInput" successGreenColor="#b0e811"
                                 style={{ height: '38px'}}
                                 dragOkCallback={this.dragOkCallback}
                             ></DragValidator>