added shortcut key ctrl r to mark read 增加快捷键ctrlr标记已读
capital letters are used for the names of keys and key sequences, such as enter and ctrl r 大写字母用于键名和键序列名,如enter和ctrl+r。
you can also type the keyboard shortcut ctrl r, ctrl p to complete the refactoring operation . you can also right-click the cursor, point to 也可以通过键入键盘快捷键ctrl+r、ctrl+p来完成重构操作。