diff --git a/v2rayN/v2rayN/Handler/CoreHandler.cs b/v2rayN/v2rayN/Handler/CoreHandler.cs
index f07b39fc..c611b53f 100644
--- a/v2rayN/v2rayN/Handler/CoreHandler.cs
+++ b/v2rayN/v2rayN/Handler/CoreHandler.cs
@@ -20,6 +20,9 @@ namespace v2rayN.Handler
         public CoreHandler(Action<bool, string> update)
         {
             _updateFunc = update;
+
+            Environment.SetEnvironmentVariable("v2ray.location.asset", Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
+            Environment.SetEnvironmentVariable("xray.location.asset", Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
         }
 
         public void LoadCore(Config config)
diff --git a/v2rayN/v2rayN/Handler/UpdateHandle.cs b/v2rayN/v2rayN/Handler/UpdateHandle.cs
index 7b44ae3d..ab1eab67 100644
--- a/v2rayN/v2rayN/Handler/UpdateHandle.cs
+++ b/v2rayN/v2rayN/Handler/UpdateHandle.cs
@@ -278,11 +278,13 @@ namespace v2rayN.Handler
                             string fileName = Utils.GetTempPath(Utils.GetDownloadFileName(url));
                             if (File.Exists(fileName))
                             {
-                                Global.coreTypes.ForEach(it =>
-                                {
-                                    string targetPath = Utils.GetBinPath($"{geoName}.dat", (ECoreType)Enum.Parse(typeof(ECoreType), it));
-                                    File.Copy(fileName, targetPath, true);
-                                });
+                                //Global.coreTypes.ForEach(it =>
+                                //{
+                                //    string targetPath = Utils.GetBinPath($"{geoName}.dat", (ECoreType)Enum.Parse(typeof(ECoreType), it));
+                                //    File.Copy(fileName, targetPath, true);
+                                //});
+                                string targetPath = Utils.GetBinPath($"{geoName}.dat");
+                                File.Copy(fileName, targetPath, true);
 
                                 File.Delete(fileName);
                                 //_updateFunc(true, "");
diff --git a/v2rayN/v2rayN/Mode/Config.cs b/v2rayN/v2rayN/Mode/Config.cs
index cfcc9668..85e92a2c 100644
--- a/v2rayN/v2rayN/Mode/Config.cs
+++ b/v2rayN/v2rayN/Mode/Config.cs
@@ -116,10 +116,7 @@
             get; set;
         }
 
-        public bool ignoreGeoUpdateCore
-        {
-            get; set;
-        }
+        public bool ignoreGeoUpdateCore { get; set; } = true;
 
         /// <summary>
         /// systemProxyExceptions
diff --git a/v2rayN/v2rayN/Tool/Utils.cs b/v2rayN/v2rayN/Tool/Utils.cs
index c25d77f6..337cad86 100644
--- a/v2rayN/v2rayN/Tool/Utils.cs
+++ b/v2rayN/v2rayN/Tool/Utils.cs
@@ -1117,7 +1117,14 @@ namespace v2rayN
                     Directory.CreateDirectory(_tempPath);
                 }
             }
-            return Path.Combine(_tempPath, filename);
+            if (string.IsNullOrEmpty(filename))
+            {
+                return _tempPath;
+            }
+            else
+            {
+                return Path.Combine(_tempPath, filename);
+            }
         }
         public static string GetLogPath(string filename = "")
         {