From 4e59e868aae1378122741507327ead33a99dcff8 Mon Sep 17 00:00:00 2001
From: tikkhun <s565338107@163.com>
Date: Sat, 13 Dec 2025 23:23:49 +0800
Subject: [PATCH] =?UTF-8?q?perf(=E5=9B=BE=E7=89=87=E5=8A=A0=E8=BD=BD):=20?=
 =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=9B=BE=E7=89=87=E5=8A=A0=E8=BD=BD=E9=80=BB?=
 =?UTF-8?q?=E8=BE=91=EF=BC=8C=E7=AE=80=E5=8C=96=E8=A7=A3=E7=A0=81=E5=A4=84?=
 =?UTF-8?q?=E7=90=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

移除冗余的解码检查逻辑，直接使用现代浏览器的异步解码特性
添加fetchPriority优化加载优先级，提升页面性能
---
 js/shapes/utils.js | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/js/shapes/utils.js b/js/shapes/utils.js
index fe527de..66a0adf 100644
--- a/js/shapes/utils.js
+++ b/js/shapes/utils.js
@@ -21,14 +21,9 @@
     const img = new Image();
     const record = { img: img, ready: false };
     window.YooneSnowImageCache[imageUrl] = record;
-    img.onload = function(){
-      var decoder = img.decode && typeof img.decode === 'function' ? img.decode() : null;
-      if (decoder && typeof decoder.then === 'function'){
-        decoder.then(function(){ record.ready = true; }).catch(function(){ record.ready = true; });
-      } else {
-        record.ready = true;
-      }
-    };
+    try { img.decoding = 'async'; } catch(e) {}
+    try { img.fetchPriority = 'low'; } catch(e) {}
+    img.onload = function(){ record.ready = true; };
     img.onerror = function(){
       // 加载失败 从缓存移除避免重复错误
       delete window.YooneSnowImageCache[imageUrl];