更改展示数据条数

src/components/detail/group/togroup.js

@@ -201,7 +201,7 @@ class ToGroup extends Component {
         <WhiteSpace></WhiteSpace>
         <div className="group-course">
           <div className="top-title">
-            <span>21新春一分秒</span>
+            <span>本周特惠</span>
             {/* <Link to={`/preferential`} className="more">
               更多<i className="iconfont iconiconfront-70"></i>
             </Link> */}
@@ -210,7 +210,7 @@ class ToGroup extends Component {
             course_list.length > 0 &&
             course_list[0].course &&
             course_list[0].course.length > 0 &&
-            course_list[0].course.slice(0, 9).map((item) => {
+            course_list[0].course.slice(0, 4).map((item) => {
               let weekInfo = (
                 <div className="info">
                   <p