diff --git a/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js b/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
index ca7b8e403..51b8ae98b 100644
--- a/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
+++ b/public/react/src/modules/courses/exercise/Exercisestatisticalresult.js
@@ -102,7 +102,7 @@ class Exercisestatisticalresult extends Component {
 					 }
 					`}
 				</style>
-				<div className={"educontent mb20" } style={{width: "1250px"}}>
+				<div className={"educontent mb20" } >
 
 					{data&&data.course_groups.length===0?"":<div className="stud-class-set">
 						<div className="clearfix edu-back-white">