修改部分样式问题

student/src/main/res/layout/ac_group_course_group_detail_layout.xml

@@ -170,7 +170,7 @@
                             app:layout_constraintLeft_toLeftOf="@+id/tv_title"
                             app:layout_constraintTop_toBottomOf="@+id/tv_time"
                             android:background="@color/color_f2f2f2"
-                            android:layout_width="match_parent"
+                            android:layout_width="0dp"
                             android:layout_height="1dp"/>
 
                         <de.hdodenhof.circleimageview.CircleImageView

teacher/src/main/res/layout/ac_group_course_group_detail_layout.xml

@@ -169,7 +169,7 @@
                             app:layout_constraintLeft_toLeftOf="@+id/tv_title"
                             app:layout_constraintTop_toBottomOf="@+id/tv_time"
                             android:background="@color/color_f2f2f2"
-                            android:layout_width="match_parent"
+                            android:layout_width="0dp"
                             android:layout_height="1dp"/>
 
                         <de.hdodenhof.circleimageview.CircleImageView