更新与修复界面

修复一些设备的导航栏着色
增加删除单个书籍缓存功能
增加阅读记录封面显示
恢复一些默认动效

app/src/main/res/values-zh/strings.xml

@@ -225,7 +225,7 @@
     <string name="download_start">开始下载</string>
     <string name="download_cancel">取消下载</string>
     <string name="no_download">暂无任务</string>
-    <string name="download_count">已下载 %1$d/%2$d</string>
+    <string name="download_count">%1$d/%2$d</string>
     <string name="import_select_book">导入选择书籍</string>
     <string name="threads_num_title">更新和搜索线程数（太多会卡顿）</string>
     <string name="change_icon">切换图标</string>
@@ -979,7 +979,7 @@
     <string name="custom_welcome_summary">是否使用自定义欢迎页</string>
     <string name="show_icon">显示图标</string>
     <string name="show_default_book_icon">显示默认书籍图标</string>
-    <string name="cache_export">缓存/导出</string>
+    <string name="cache_export">书籍缓存</string>
     <string name="assists_key_config">辅助按键配置</string>
     <string name="url_option">URL 参数</string>
     <string name="only_wifi">仅 WiFi</string>