diff --git a/ZR.Model/System/Dto/MenuDto.cs b/ZR.Model/System/Dto/MenuDto.cs
index 23c3a26f..b75a59ee 100644
--- a/ZR.Model/System/Dto/MenuDto.cs
+++ b/ZR.Model/System/Dto/MenuDto.cs
@@ -83,7 +83,7 @@ namespace ZR.Model.System.Dto
         {
             get
             {
-                return MenuTypeIds.Split(',', StringSplitOptions.RemoveEmptyEntries);
+                return MenuTypeIds?.Split(',', StringSplitOptions.RemoveEmptyEntries);
             }
         }
     }