diff --git a/v2rayN/ServiceLib/Models/ConfigItems.cs b/v2rayN/ServiceLib/Models/ConfigItems.cs
index d29d6c35..589cc628 100644
--- a/v2rayN/ServiceLib/Models/ConfigItems.cs
+++ b/v2rayN/ServiceLib/Models/ConfigItems.cs
@@ -94,7 +94,7 @@
 
         public bool ignoreGeoUpdateCore { get; set; } = true;
 
-        public int autoUpdateInterval { get; set; } = 10;
+        public int autoUpdateInterval { get; set; }
 
         public bool checkPreReleaseUpdate { get; set; } = false;