修复配置全局变量bug

docs/uncompiled/artplayer-plugin-backlight.js

@@ -1,7 +1,7 @@
 (function (global, factory) {
     typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
     typeof define === 'function' && define.amd ? define(factory) :
-    (global = global || self, global['artplayer-plugin-backlight'] = factory());
+    (global = global || self, global.artplayerPluginBacklight = factory());
 }(this, function () { 'use strict';
 
     function matrixCallback(callback) {
@@ -136,8 +136,6 @@
       };
     }
 
-    window.artplayerPluginBacklight = artplayerPluginBacklight;
-
     return artplayerPluginBacklight;
 
 }));