update file system

Assets/YooAsset/Runtime/DownloadSystem/DownloadParam.cs

@@ -0,0 +1,30 @@
+
+namespace YooAsset
+{
+    internal class DownloadParam
+    {
+        public readonly int FailedTryAgain;
+        public readonly int Timeout;
+
+        /// <summary>
+        /// 导入的本地文件路径
+        /// </summary>
+        public string ImportFilePath { set; get; }
+
+        /// <summary>
+        /// 主资源地址
+        /// </summary>
+        public string MainURL { set; get; }
+
+        /// <summary>
+        /// 备用资源地址
+        /// </summary>
+        public string FallbackURL { set; get; }
+
+        public DownloadParam(int failedTryAgain, int timeout)
+        {
+            FailedTryAgain = failedTryAgain;
+            Timeout = timeout;
+        }
+    }
+}

Assets/YooAsset/Runtime/DownloadSystem/DownloadParam.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 56ea224b45d314e4a86b558404e9b6c8
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystemHelper.cs

@@ -41,7 +41,7 @@ namespace YooAsset
 #elif UNITY_STANDALONE
             return StringUtility.Format("file:///{0}", path);
 #elif UNITY_OPENHARMONY
-            return path;
+            return StringUtility.Format("file://{0}", path);
 #else
             return path;
 #endif