docs(notify): update the doc for notify api

docs/api/notify.md

@@ -8,7 +8,8 @@ description: "notify API provides some basic functions for generating notificati
 <!-- vim-markdown-toc GFM -->
 
 - [Intro](#intro)
-- [Functions](#functions)
+- [Functions and variables](#functions-and-variables)
+- [Usage](#usage)
 
 <!-- vim-markdown-toc -->
 
@@ -16,14 +17,20 @@ description: "notify API provides some basic functions for generating notificati
 
 This api provides some basic Functions for generating notifications.
 
+## Functions and variables
+
+| function name               | description                                              |
+| --------------------------- | -------------------------------------------------------- |
+| `notify(string)`            | generate notification with default color                 |
+| `notify(string, highlight)` | generate notification with custom highlight group        |
+| `notify.notify_max_width`   | set the max width of notify windows                      |
+| `notify.timeout`            | set the time in milliseconds to close the notify windows |
+
+## Usage
+
 ```vim
 let s:NOTIFY = SpaceVim#api#import('notify')
+let s:NOTIFY.notify_max_width = 40
+let s:NOTIFY.timeout = 3000
 call s:NOTIFY.notify('This is a simple notification!')
 ```
-
-## Functions
-
-| function name               | description                                       |
-| --------------------------- | ------------------------------------------------- |
-| `notify(string)`            | generate notification with default color          |
-| `notify(string, highlight)` | generate notification with custom highlight group |

docs/cn/api/notify.md

@@ -24,6 +24,8 @@ lang: zh
 | --------------------------- | ---------------------------- |
 | `notify(string)`            | 使用默认的颜色弹出通知消息   |
 | `notify(string, highlight)` | 使用自定义的颜色弹出通知消息 |
+| `notify.notify_max_width`   | 设置通知窗口的宽度           |
+| `notify.timeout`            | 设置通知窗口关闭的延迟时间   |
 
 ## 使用示例
 
@@ -31,5 +33,7 @@ lang: zh
 
 ```vim
 let s:NOTIFY = SpaceVim#api#import('notify')
+let s:NOTIFY.notify_max_width = 40
+let s:NOTIFY.timeout = 3000
 call s:NOTIFY.notify('This is a simple notification!')
 ```