From c331dc9b58500a7ff8f4a12b4abd85a4c1d2a932 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BD=95=E5=86=A0=E5=B3=B0?= <33317070@qq.com>
Date: Tue, 2 Jun 2026 16:21:25 +0800
Subject: [PATCH] perf: guard manifest duplicate-key checks behind UNITY_EDITOR
 || DEBUG

---
 .../Internal/DeserializeManifestOperation.cs  | 22 ++++++++++++-------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/Assets/YooAsset/Runtime/ResourcePackage/Operation/Internal/DeserializeManifestOperation.cs b/Assets/YooAsset/Runtime/ResourcePackage/Operation/Internal/DeserializeManifestOperation.cs
index 38e6f3f5..88356abd 100644
--- a/Assets/YooAsset/Runtime/ResourcePackage/Operation/Internal/DeserializeManifestOperation.cs
+++ b/Assets/YooAsset/Runtime/ResourcePackage/Operation/Internal/DeserializeManifestOperation.cs
@@ -264,23 +264,27 @@ namespace YooAsset
             manifest.AssetList.Add(packageAsset);
 
             // 注意：我们不允许原始路径存在重名
+            // 说明：清单是构建期生成的可信数据，重名只会因构建错误产生，仅在开发期校验即可，发行版省去一次哈希查找。
             string assetPath = packageAsset.AssetPath;
+#if UNITY_EDITOR || DEBUG
             if (manifest.AssetDic.ContainsKey(assetPath))
                 throw new System.Exception($"AssetPath have existed : {assetPath}");
-            else
-                manifest.AssetDic.Add(assetPath, packageAsset);
+#endif
+            manifest.AssetDic.Add(assetPath, packageAsset);
 
             // 填充AssetPathMapping1
             {
                 string location = packageAsset.AssetPath;
 
                 // 添加原生路径的映射
+#if UNITY_EDITOR || DEBUG
                 if (manifest.AssetPathMapping1.ContainsKey(location))
                     throw new System.Exception($"Location have existed : {location}");
-                else
-                    manifest.AssetPathMapping1.Add(location, packageAsset.AssetPath);
+#endif
+                manifest.AssetPathMapping1.Add(location, packageAsset.AssetPath);
 
                 // 添加无后缀名路径的映射
+                // 注意：无后缀名重名属于合法运行时情况（仅警告并跳过），因此该校验必须在发行版也执行。
                 if (manifest.SupportExtensionless)
                 {
                     string locationWithoutExtension = Path.ChangeExtension(location, null);
@@ -297,10 +301,11 @@ namespace YooAsset
             // 填充AssetPathMapping2
             if (manifest.IncludeAssetGUID)
             {
+#if UNITY_EDITOR || DEBUG
                 if (manifest.AssetPathMapping2.ContainsKey(packageAsset.AssetGUID))
                     throw new System.Exception($"AssetGUID have existed : {packageAsset.AssetGUID}");
-                else
-                    manifest.AssetPathMapping2.Add(packageAsset.AssetGUID, packageAsset.AssetPath);
+#endif
+                manifest.AssetPathMapping2.Add(packageAsset.AssetGUID, packageAsset.AssetPath);
             }
 
             // 添加可寻址地址
@@ -309,10 +314,11 @@ namespace YooAsset
                 string location = packageAsset.Address;
                 if (string.IsNullOrEmpty(location) == false)
                 {
+#if UNITY_EDITOR || DEBUG
                     if (manifest.AssetPathMapping1.ContainsKey(location))
                         throw new System.Exception($"Location have existed : {location}");
-                    else
-                        manifest.AssetPathMapping1.Add(location, packageAsset.AssetPath);
+#endif
+                    manifest.AssetPathMapping1.Add(location, packageAsset.AssetPath);
                 }
             }
         }