diff --git a/wbackup/Program.cs b/wbackup/Program.cs
index 2bf76de..cd15b7b 100644
--- a/wbackup/Program.cs
+++ b/wbackup/Program.cs
@@ -29,23 +29,28 @@
 
         static private uint CalclateHash(string fileName)
         {
-            uint hashValue = 0;
             byte[] readbuff = new byte [1024 * 4];
             Array.Clear(readbuff, 0, readbuff.Length);
+            Vector<uint> hashTemp1 = Vector<uint>.Zero;
+            Vector<uint> hashTemp2 = Vector<uint>.Zero;
             using (var fs = File.OpenRead(fileName))
             {
                 int readLen = fs.Read(readbuff, 0, readbuff.Length);
                 fs.Close();
-                Vector<int> hashTemp1 = Vector<int>.Zero;
-                Vector<int> hashTemp2 = Vector<int>.Zero;
                 ReadOnlySpan<byte> span = new ReadOnlySpan<byte>(readbuff);
                 for (int i = 0; i < readbuff.Length; i += Vector<int>.Count * sizeof(int))
                 {
-                    hashTemp2 = new Vector<int>(span.Slice(i, Vector<int>.Count * sizeof(int)));
+                    hashTemp2 = new Vector<uint>(span.Slice(i, Vector<uint>.Count * sizeof(uint)));
                     hashTemp1 ^= hashTemp2;
                 }
             }
 
+            uint hashValue = 0;
+            for (int i = 0;i < Vector<int>.Count;i++)
+            {
+                hashValue ^= hashTemp1[i];
+            }
+
             return hashValue;
         }