修改样式

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

@@ -148,7 +148,7 @@
                     tools:text="小张小张小张小张小张小张小张小张小张小张小张小张小张小张"
                     android:includeFontPadding="false"
                     android:id="@+id/tv_name"
-                    android:layout_marginTop="8dp"
+                    android:layout_marginTop="4dp"
                     android:maxLines="1"
                     android:ellipsize="end"
                     app:layout_constraintRight_toLeftOf="@+id/tv_course_name"