diff --git a/OpenAuth.Repository/Domain/Module.cs b/OpenAuth.Repository/Domain/Module.cs
index 2ab0b9b3..a5332b03 100644
--- a/OpenAuth.Repository/Domain/Module.cs
+++ b/OpenAuth.Repository/Domain/Module.cs
@@ -94,7 +94,7 @@ namespace OpenAuth.Repository.Domain
         /// 前端界面是否缓存
         /// </summary>
         /// [Description("前端界面是否缓存")]
-        public bool KeepAlive { get; set; }
+        public bool? KeepAlive { get; set; }
 
     }
 }
\ No newline at end of file