diff --git a/Assets/YooAsset/Runtime/CacheSystem/PersistentTools.cs b/Assets/YooAsset/Runtime/CacheSystem/PersistentTools.cs
index a0c2fb6..f17127d 100644
--- a/Assets/YooAsset/Runtime/CacheSystem/PersistentTools.cs
+++ b/Assets/YooAsset/Runtime/CacheSystem/PersistentTools.cs
@@ -41,6 +41,8 @@ namespace YooAsset
 			return StringUtility.Format("file://{0}", path);
 #elif UNITY_ANDROID
 			return path;
+#elif UNITY_STANDALONE_OSX
+			return new System.Uri(path).ToString();
 #elif UNITY_STANDALONE
 			return StringUtility.Format("file:///{0}", path);
 #elif UNITY_WEBGL