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;