diff --git a/src/resources/docs/shortcuts_en.md b/src/resources/docs/shortcuts_en.md
index 2cfe0db3..7abd6b85 100644
--- a/src/resources/docs/shortcuts_en.md
+++ b/src/resources/docs/shortcuts_en.md
@@ -56,8 +56,8 @@ Insert bold. Press `Ctrl+B` again to exit. Current selected text will be changed
Insert italic. Press `Ctrl+I` again to exit. Current selected text will be changed to italic if exists.
- `Ctrl+D`
Insert strikethrought. Press `Ctrl+D` again to exit. Current selected text will be changed to strikethrough if exists.
-- `Ctrl+O`
-Insert inline code. Press `Ctrl+O` again to exit. Current selected text will be changed to inline code if exists.
+- `Ctrl+K`
+Insert inline code. Press `Ctrl+K` again to exit. Current selected text will be changed to inline code if exists.
- `Ctrl+M`
Insert fenced code block. Press `Ctrl+M` again to exit. Current selected text will be wrapped into a code block if exists.
- `Ctrl+L`
@@ -254,6 +254,7 @@ VNote supports following features of Vim:
- `n` and `N` to find next or previous occurence;
- `Ctrl+N` and `Ctrl+P` to navigate through the search history;
- `Ctrl+R` to read the content of a register;
+- `Ctrl+O` in Insert mode to enter Normal mode temporarily;
For now, VNote does **NOT** support the macro and repeat(`.`) features of Vim.
diff --git a/src/resources/docs/shortcuts_zh.md b/src/resources/docs/shortcuts_zh.md
index 60146c69..174dfc8e 100644
--- a/src/resources/docs/shortcuts_zh.md
+++ b/src/resources/docs/shortcuts_zh.md
@@ -56,8 +56,8 @@
插入斜体;再次按`Ctrl+I`退出。如果已经选择文本,则将当前选择文本改为斜体。
- `Ctrl+D`
插入删除线;再次按`Ctrl+D`退出。如果已经选择文本,则将当前选择文本改为删除线。
-- `Ctrl+O`
-插入行内代码;再次按`Ctrl+O`退出。如果已经选择文本,则将当前选择文本改为行内代码。
+- `Ctrl+K`
+插入行内代码;再次按`Ctrl+K`退出。如果已经选择文本,则将当前选择文本改为行内代码。
- `Ctrl+M`
插入代码块;再次按`Ctrl+M`退出。如果已经选择文本,则将当前选择文本嵌入到代码块中。
- `Ctrl+L`
@@ -255,6 +255,7 @@ VNote支持以下几个Vim的特性:
- `n` 和 `N` 查找下一处或上一处;
- `Ctrl+N` 和 `Ctrl+P` 浏览查找历史;
- `Ctrl+R` 读取指定寄存器的值;
+- `Ctrl+O` 在插入模式中临时切换为正常模式;
VNote目前暂时不支持Vim的宏和重复(`.`)特性。
diff --git a/src/resources/icons/inline_code.svg b/src/resources/icons/inline_code.svg
index b98f898e..ea166774 100644
--- a/src/resources/icons/inline_code.svg
+++ b/src/resources/icons/inline_code.svg
@@ -2,6 +2,6 @@
\ No newline at end of file
+
diff --git a/src/resources/icons/search_wrap.svg b/src/resources/icons/search_wrap.svg
index f1817595..984bd7b7 100644
--- a/src/resources/icons/search_wrap.svg
+++ b/src/resources/icons/search_wrap.svg
@@ -4,11 +4,11 @@