Update README.md

docs/document/README.md

@@ -531,6 +531,89 @@ var art = new Artplayer({
 });
 ```
 
+## subtitleOffset
+
+-   Type: `Boolean`
+-   Default: `false`
+
+Subtitle time offset plugin
+
+[Run Code](/)
+
+```js
+var url = 'https://zhw2590582.github.io/assets-cdn';
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: url + '/video/one-more-time-one-more-chance-480p.mp4',
+    setting: true,
+    subtitleOffset: true,
+});
+```
+
+## miniProgressBar
+
+-   Type: `Boolean`
+-   Default: `false`
+
+Mini progress bar plugin
+
+[Run Code](/)
+
+```js
+var url = 'https://zhw2590582.github.io/assets-cdn';
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: url + '/video/one-more-time-one-more-chance-480p.mp4',
+    miniProgressBar: true,
+});
+```
+
+## localPreview
+
+-   Type: `Boolean`
+-   Default: `false`
+
+Local Preview plugin
+
+[Run Code](/)
+
+```js
+var url = 'https://zhw2590582.github.io/assets-cdn';
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: url + '/video/one-more-time-one-more-chance-480p.mp4',
+    localPreview: true,
+    controls: [
+        {
+            name: 'preview',
+            position: 'right',
+            html: 'OPEN',
+            mounted: $preview => {
+                art.plugins.localPreview.attach($preview);
+            },
+        },
+    ],
+});
+```
+
+## autoPip
+
+-   Type: `Boolean`
+-   Default: `false`
+
+Auto pip mode plugin, when the video is playing and not triggering in the window view
+
+[Run Code](/)
+
+```js
+var url = 'https://zhw2590582.github.io/assets-cdn';
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: url + '/video/one-more-time-one-more-chance-480p.mp4',
+    autoPip: true,
+});
+```
+
 ## subtitle
 
 -   Type: `Object`
@@ -868,7 +951,7 @@ setTimeout(function() {
 Player core function
 
 | propertie             | type       | Description                                                                                       |
-| ---------------------- | ---------- | ------------------------------------------------------------------------------------------------- |
+| --------------------- | ---------- | ------------------------------------------------------------------------------------------------- |
 | `aspectRatio`         | `String`   | Set aspect ratio, Currently only accepts three values：`default`, `4:3`, `16:9` and `false`       |
 | `aspectRatioReset`    | `Boolean`  | Recalculate the aspect ratio                                                                      |
 | `attachUrl`           | `Function` | Replace play address                                                                              |
@@ -1066,7 +1149,6 @@ Controls manager, and every control has `show` setter
 | `add`     | `Function` | Dynamically add a control |
 | `show`    | `setter`   | Show or hide              |
 
-
 [Run Code](/)
 
 ```js
@@ -1102,7 +1184,6 @@ Contextmenu manager, and every contextmenu has `show` setter
 | `add`     | `Function` | Dynamically add a contextmenu |
 | `show`    | `setter`   | Show or hide                  |
 
-
 [Run Code](/)
 
 ```js
@@ -1129,7 +1210,6 @@ art.contextmenu.yourContextmenu.show = false;
 | `init`    | `Function` | Init subtitle |
 | `show`    | `setter`   | Show or hide  |
 
-
 [Run Code](/)
 
 ```js
@@ -1152,18 +1232,16 @@ art.once('video:canplay', () => {
 -   Type: `Object`
 
 | propertie | type     | Description  |
-| --------- | ---------- | ------------ |
+| --------- | -------- | ------------ |
 | `show`    | `setter` | Show or hide |
 
-
 ## mask
 
 -   Type: `Object`
 
 | propertie | type     | Description  |
-| --------- | ---------- | ----------- |
+| --------- | -------- | ------------ |
-| `show`    | `setter`   | Show or hide|
+| `show`    | `setter` | Show or hide |
-
 
 ## setting
 
@@ -1176,7 +1254,6 @@ Setting manager, and every setting has `show` and `hide` funciton
 | `add`     | `Function` | Dynamically add a setting |
 | `show`    | `setter`   | Show or hide              |
 
-
 [Run Code](/)
 
 ```js