diff --git a/public/react/src/modules/courses/coursesDetail/MyEduChapterupdate.js b/public/react/src/modules/courses/coursesDetail/MyEduChapterupdate.js
index e3b07078b..100db5794 100644
--- a/public/react/src/modules/courses/coursesDetail/MyEduChapterupdate.js
+++ b/public/react/src/modules/courses/coursesDetail/MyEduChapterupdate.js
@@ -71,7 +71,7 @@ class MyEduChapterupdate extends Component {
 			myeduchecked:false,
 			expandedKeys: ['0-0-0', '0-0-1'],
 			autoExpandParent: true,
-			checkedKeys: ['0-0','0-1','0-2'],
+			checkedKeys:[],
 			selectedKeys: [],
 		}
 	}