优化

app/src/main/res/layout/item_change_source.xml

@@ -14,6 +14,7 @@
         android:layout_marginTop="5dp"
         android:padding="5dp"
         android:src="@drawable/ic_praise"
+        android:contentDescription="赞"
         app:layout_constraintBottom_toTopOf="@+id/iv_bad"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintTop_toTopOf="parent"
@@ -27,6 +28,7 @@
         android:padding="5dp"
         android:rotationX="180"
         android:src="@drawable/ic_praise"
+        android:contentDescription="踩"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/iv_good"