diff --git a/v2rayN/ServiceLib/Models/ConfigItems.cs b/v2rayN/ServiceLib/Models/ConfigItems.cs
index 0f0e257c..287adc58 100644
--- a/v2rayN/ServiceLib/Models/ConfigItems.cs
+++ b/v2rayN/ServiceLib/Models/ConfigItems.cs
@@ -17,7 +17,7 @@ public class CoreBasicItem
 
     public bool EnableFragment { get; set; }
 
-    public bool EnableCacheFile4Sbox { get; set; } = true;
+    public bool EnableCacheFile4Sbox { get; set; } = false;
 }
 
 [Serializable]