优化

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

@@ -14,7 +14,8 @@
         android:singleLine="true"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toLeftOf="@+id/iv_checked" />
+        app:layout_constraintRight_toLeftOf="@+id/iv_checked"
+        app:layout_constraintBottom_toBottomOf="parent" />
 
     <TextView
         android:id="@+id/tv_tag"
@@ -29,8 +30,9 @@
 
     <ImageView
         android:id="@+id/iv_checked"
-        android:layout_width="16dp"
-        android:layout_height="16dp"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:padding="4dp"
         android:src="@drawable/ic_check"
         android:visibility="invisible"
         android:contentDescription="@string/success"