update docs

packages/artplayer-document/docs/en/Plugins/danmuku.mdx

@@ -88,7 +88,7 @@ var art = new Artplayer({
             lockTime: 5, // Input box lock time
             maxLength: 100, // The maximum number of words that can be input can be input box
             minWidth: 200, // At the at least width of the input box
-            maxWidth: 600, // Maximum width in the input box
+            maxWidth: 400, // Maximum width in the input box
         }),
     ],
 });