From da7560b918c4eb698235db7ab88bd27b55f59cd9 Mon Sep 17 00:00:00 2001
From: Victor_Jay <ovoex.cn@gmail.com>
Date: Sun, 31 May 2026 02:43:58 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20=E5=AE=A2=E6=88=B7=E7=AB=AF=E8=A3=81?=
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- cropOnClient 输出尺寸从 min(size, 2048) 改为固定 512px
- 服务端收到的已是 512×512，解码后 resize 和 WebP 编码近乎瞬时
- 上传体积从数十 KB～数 MB 降至 ~30-60KB
---
 templates/MetaLab-2026/html/settings/index.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/templates/MetaLab-2026/html/settings/index.html b/templates/MetaLab-2026/html/settings/index.html
index b22b480..5913a61 100644
--- a/templates/MetaLab-2026/html/settings/index.html
+++ b/templates/MetaLab-2026/html/settings/index.html
@@ -537,14 +537,14 @@
         if (e.target === cropOverlay) closeCrop();
     });
 
-    // 客户端裁剪 + 压缩：用 Canvas 裁出选区，转 JPEG 后上传，大幅节省带宽
+    // 客户端裁剪 + 压缩：Canvas 裁出选区并一步到位缩放到 512px，上传体积最小
     function cropOnClient(file, x, y, size) {
         return new Promise(function (resolve) {
             var url = URL.createObjectURL(file);
             var img = new Image();
             img.onload = function () {
                 URL.revokeObjectURL(url);
-                var out = Math.min(size, 2048);  // 不超过 2048px，避免 Canvas 内存过大
+                var out = 512;  // 直接缩放到服务端目标输出尺寸
                 var canvas = document.createElement('canvas');
                 canvas.width = out;
                 canvas.height = out;