Update SkeletonUtils.html

docs/examples/zh/utils/SkeletonUtils.html

@@ -19,7 +19,7 @@
 		</p>
 
 		<code>
-			import { SkeletonUtils } from 'three/addons/utils/SkeletonUtils.js';
+			import * as SkeletonUtils from 'three/addons/utils/SkeletonUtils.js';
 		</code>
 
 		<h2>方法</h2>