From f432ee445b50695eed6b508aca71dfeea53fcd57 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E6=80=9D=E6=B5=B7?= <1464576565@qq.com>
Date: Thu, 31 Jul 2025 14:27:47 +0800
Subject: [PATCH] modify

---
 .../Atlas/EditorSpriteSaveInfo.cs             | 23 +++++++++++++++----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/Editor/Postprocessor/Atlas/EditorSpriteSaveInfo.cs b/Editor/Postprocessor/Atlas/EditorSpriteSaveInfo.cs
index 5f8809a..78691c1 100644
--- a/Editor/Postprocessor/Atlas/EditorSpriteSaveInfo.cs
+++ b/Editor/Postprocessor/Atlas/EditorSpriteSaveInfo.cs
@@ -240,11 +240,24 @@ public static class EditorSpriteSaveInfo
 
     private static List<Sprite> LoadValidSprites(string atlasName)
     {
-        return _atlasMap[atlasName]
-            .Where(File.Exists)
-            .Select(p => AssetDatabase.LoadAssetAtPath<Sprite>(p))
-            .Where(s => s != null)
-            .ToList();
+        if (_atlasMap.TryGetValue(atlasName, out List<string> spriteList))
+        {
+            var allSprites = new List<Sprite>();
+
+            foreach (var assetPath in spriteList.Where(File.Exists))
+            {
+                // 加载所有子图
+                var sprites = AssetDatabase.LoadAllAssetsAtPath(assetPath)
+                    .OfType<Sprite>()
+                    .Where(s => s != null)
+                    .ToArray();
+
+                allSprites.AddRange(sprites);
+            }
+
+            return allSprites;
+        }
+        return new List<Sprite>();
     }
 
 #if UNITY_2022_1_OR_NEWER