diff --git a/Assets/YooAsset/Runtime/CacheSystem/PersistentHelper.cs b/Assets/YooAsset/Runtime/CacheSystem/PersistentHelper.cs
index e9e981e..52a6b7b 100644
--- a/Assets/YooAsset/Runtime/CacheSystem/PersistentHelper.cs
+++ b/Assets/YooAsset/Runtime/CacheSystem/PersistentHelper.cs
@@ -15,7 +15,7 @@ namespace YooAsset
 #elif UNITY_IPHONE
             return StringUtility.Format("file://{0}", path);
 #elif UNITY_ANDROID
-            if (path.StartsWith("jar:file//"))
+            if (path.StartsWith("jar:file://"))
                 return path;
             else
                 return StringUtility.Format("jar:file://{0}", path);