diff --git a/CapMachine.Wpf/SoftAuthorizeCore/LicenseClient.cs b/CapMachine.Wpf/SoftAuthorizeCore/LicenseClient.cs
index dfb158f..b2992c8 100644
--- a/CapMachine.Wpf/SoftAuthorizeCore/LicenseClient.cs
+++ b/CapMachine.Wpf/SoftAuthorizeCore/LicenseClient.cs
@@ -31,7 +31,7 @@ namespace CapMachine.Wpf.SoftAuthorizeCore
                 string baseBoard = GetBaseBoardInfo();
                 string bios = GetBIOSInfo();
                 string mac = GetMACInfo();
-                info = string.Concat(cpu, gpu, baseBoard, bios, mac);
+                info = string.Concat(cpu, gpu, baseBoard, bios, "mac");
 
                 //AES加密
                 using (Aes tempAES = Aes.Create())
@@ -195,7 +195,7 @@ namespace CapMachine.Wpf.SoftAuthorizeCore
             string baseBoard = GetBaseBoardInfo();
             string bios = GetBIOSInfo();
             string mac = GetMACInfo();
-            info = string.Concat(cpu, gpu, baseBoard, bios, mac);
+            info = string.Concat(cpu, gpu, baseBoard, bios, "mac");
 
             //AES加密
             byte[] encrypted = EncryptStringToBytes(info, key, Iv);
@@ -525,5 +525,3 @@ namespace CapMachine.Wpf.SoftAuthorizeCore
 
     }
 }
-
-