diff --git a/public/react/src/modules/courses/new/CoursesNew.js b/public/react/src/modules/courses/new/CoursesNew.js
index 8cf60baf3..f9cea2da2 100644
--- a/public/react/src/modules/courses/new/CoursesNew.js
+++ b/public/react/src/modules/courses/new/CoursesNew.js
@@ -870,7 +870,7 @@ class CoursesNew extends Component {
                                                 "shixun_homework", "common_homework", "group_homework", "exercise", "attachment", "course_group",
                                             ],
                                         })(
-                                            <Checkbox.Group style={{width: "800px", marginTop: "10px"}}>
+                                            <Checkbox.Group style={{ marginTop: "10px"}}>
                                             <Checkbox value={"announcement"} className="fl">公告栏</Checkbox>
                                             <Checkbox value={"shixun_homework"} className="fl">实训作业</Checkbox>
                                             <Checkbox value={"common_homework"} className="fl">普通作业</Checkbox>
diff --git a/public/react/src/modules/courses/new/Goldsubject.js b/public/react/src/modules/courses/new/Goldsubject.js
index 1cc17a63d..f04bf1f4b 100644
--- a/public/react/src/modules/courses/new/Goldsubject.js
+++ b/public/react/src/modules/courses/new/Goldsubject.js
@@ -992,7 +992,7 @@ class Goldsubject extends Component {
 												"announcement","online_learning","shixun_homework","common_homework",
 											],
 										})(
-											<Checkbox.Group style={{width: "800px", marginTop: "10px"}}>
+											<Checkbox.Group style={{ marginTop: "10px"}}>
 												<Checkbox value={"announcement"} className="fl" defaultChecked disabled>公告栏</Checkbox>
 												<Checkbox value={"online_learning"} className="fl" defaultChecked disabled>在线学习</Checkbox>
 												<Checkbox value={"shixun_homework"} className="fl">实训作业</Checkbox>