diff --git a/QYMessageCenter.Client/GlobalContext.cs b/QYMessageCenter.Client/GlobalContext.cs
index e5d4f42..a36697e 100644
--- a/QYMessageCenter.Client/GlobalContext.cs
+++ b/QYMessageCenter.Client/GlobalContext.cs
@@ -13,7 +13,7 @@ namespace QYMessageCenter.Client
     [ComVisible(true)]
     public class GlobalContext
     {
-        public string Version = "10002";
+        public string Version { get; private set; } = "10002";
 
         public GlobalContext()
         {