变更:在非开发环境移除Sky命令

src/Add-on/DrawSky.ts

@@ -1,6 +1,7 @@
 import * as THREE from 'three';
 
 import { app } from '../ApplicationServices/Application';
+import { IsDev } from '../Common/Deving';
 import { Command } from '../Editor/CommandMachine';
 import { Sky } from './Sky';
 
@@ -8,6 +9,8 @@ export class DrawSky implements Command
 {
     async exec()
     {
+        if (!IsDev()) return;
+
         let sky = new Sky();
         app.Viewer.Scene.add(sky);
         sky.scale.setScalar(50);