fix #590

Assets/YooAsset/Runtime/ResourceManager/ResourceManager.cs

@@ -60,7 +60,7 @@ namespace YooAsset
         /// <summary>
         /// 尝试卸载指定资源的资源包（包括依赖资源）
         /// </summary>
-        public void TryUnloadUnusedAsset(AssetInfo assetInfo)
+        public void TryUnloadUnusedAsset(AssetInfo assetInfo, int loopCount)
         {
             if (assetInfo.IsInvalid)
             {
@@ -68,6 +68,10 @@ namespace YooAsset
                 return;
             }
 
+            while (loopCount > 0)
+            {
+                loopCount--;
+
                 // 卸载主资源包加载器
                 string mainBundleName = _bundleQuery.GetMainBundleName(assetInfo);
                 var mainLoader = TryGetBundleFileLoader(mainBundleName);
@@ -98,6 +102,7 @@ namespace YooAsset
                     }
                 }
             }
+        }
 
         /// <summary>
         /// 加载场景对象

Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs

@@ -361,21 +361,21 @@ namespace YooAsset
         /// 资源回收
         /// 说明：尝试卸载指定的资源
         /// </summary>
-        public void TryUnloadUnusedAsset(string location)
+        public void TryUnloadUnusedAsset(string location, int loopCount = 10)
         {
             DebugCheckInitialize();
             AssetInfo assetInfo = ConvertLocationToAssetInfo(location, null);
-            _resourceManager.TryUnloadUnusedAsset(assetInfo);
+            _resourceManager.TryUnloadUnusedAsset(assetInfo, loopCount);
         }
 
         /// <summary>
         /// 资源回收
         /// 说明：尝试卸载指定的资源
         /// </summary>
-        public void TryUnloadUnusedAsset(AssetInfo assetInfo)
+        public void TryUnloadUnusedAsset(AssetInfo assetInfo, int loopCount = 10)
         {
             DebugCheckInitialize();
-            _resourceManager.TryUnloadUnusedAsset(assetInfo);
+            _resourceManager.TryUnloadUnusedAsset(assetInfo, loopCount);
         }
         #endregion