Update runtime logic

在初始化失败的时候，销毁YooAssets会报异常。

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -73,15 +73,15 @@ namespace YooAsset
 			{
 				provider.Destroy();
 			}
+			_providers.Clear();
+
 			foreach (var loader in _loaders)
 			{
 				loader.Destroy(true);
 			}
-
-			_providers.Clear();
 			_loaders.Clear();
-			ClearSceneHandle();
 
+			ClearSceneHandle();
 			DecryptionServices = null;
 			BundleServices = null;
 		}
@@ -298,6 +298,8 @@ namespace YooAsset
 		internal void ClearSceneHandle()
 		{
 			// 释放资源包下的所有场景
+			if (BundleServices.IsServicesValid())
+			{
 				string packageName = BundleServices.GetPackageName();
 				List<string> removeList = new List<string>();
 				foreach (var valuePair in _sceneHandles)
@@ -307,12 +309,12 @@ namespace YooAsset
 						removeList.Add(valuePair.Key);
 					}
 				}
-
 				foreach (var key in removeList)
 				{
 					_sceneHandles.Remove(key);
 				}
 			}
+		}
 
 		internal BundleLoaderBase CreateOwnerAssetBundleLoader(AssetInfo assetInfo)
 		{

Assets/YooAsset/Runtime/PatchSystem/PlayMode/EditorSimulateModeImpl.cs

@@ -78,6 +78,10 @@ namespace YooAsset
 		{
 			return _simulatePatchManifest.IsIncludeBundleFile(fileName);
 		}
+		bool IBundleServices.IsServicesValid()
+		{
+			return _simulatePatchManifest != null;
+		}
 		#endregion
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/PlayMode/HostPlayModeImpl.cs

@@ -428,6 +428,10 @@ namespace YooAsset
 		{
 			return LocalPatchManifest.IsIncludeBundleFile(fileName);
 		}
+		bool IBundleServices.IsServicesValid()
+		{
+			return LocalPatchManifest != null;
+		}
 		#endregion
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/PlayMode/OfflinePlayModeImpl.cs

@@ -129,6 +129,10 @@ namespace YooAsset
 		{
 			return _appPatchManifest.IsIncludeBundleFile(fileName);
 		}
+		bool IBundleServices.IsServicesValid()
+		{
+			return _appPatchManifest != null;
+		}
 		#endregion
 	}
 }

Assets/YooAsset/Runtime/Services/IBundleServices.cs

@@ -42,5 +42,10 @@ namespace YooAsset
 		/// 是否包含资源文件
 		/// </summary>
 		bool IsIncludeBundleFile(string fileName);
+
+		/// <summary>
+		/// 服务接口是否有效
+		/// </summary>
+		bool IsServicesValid();
 	}
 }