diff --git a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
index 1d391bb2c..3b46b680a 100644
--- a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
+++ b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
@@ -28,6 +28,7 @@ const RadioGroup = Radio.Group;
 const CheckboxGroup = Checkbox.Group;
 const {Option} = Select;
 //学生老师页面
+let columnsystwo=[];
 class Studentshavecompletedthelist extends Component {
 	// http://localhost:3007/courses/1309/exercises/722/exercises/student_exercise_list?debug=s
 	constructor(props) {
@@ -1207,7 +1208,7 @@ class Studentshavecompletedthelist extends Component {
 					)
 				},
 			],
-			columnsystwo: [],// 也会被columnsys当作参数接收
+		// 也会被columnsys当作参数接收
 			exercise_status:0,
 			order_type: "desc",
 			exeuserid: 0,
@@ -1269,9 +1270,10 @@ class Studentshavecompletedthelist extends Component {
 
 	componentDidMount() {
 		//被columnsys当作参数接收
-		this.setState({
-			columnsystwo:this.state.columnsys,
-		})
+		// console.log("componentDidMount");
+		// console.log(columnsystwo);
+			columnsystwo=this.state.columnsys;
+   // console.log(columnsystwo);
 		this.Teacherliststudentlist();
 
 		try {
@@ -1980,7 +1982,7 @@ class Studentshavecompletedthelist extends Component {
 						course_groups: response.data.course_groups,
 						mylistansum:response.data.exercise_types.answer_users+response.data.exercise_types.unanswer_users,
 						loadingstate: false,
-						columnsys: this.state.columnsystwo,
+						columnsys: columnsystwo,
 						subjective: response.data.exercise_types.subjective,
 						objective_score: response.data.exercise_types.objective_score,
 						subjective_score: response.data.exercise_types.subjective_score,