diff --git a/Elight.Entity/AppMode/Lawyer/JZML.cs b/Elight.Entity/AppMode/Lawyer/JZML.cs
index d2ae31d..675781b 100644
--- a/Elight.Entity/AppMode/Lawyer/JZML.cs
+++ b/Elight.Entity/AppMode/Lawyer/JZML.cs
@@ -58,7 +58,7 @@ namespace Elight.Entity.AppMode.Lawyer
         /// <summary>
         /// 目录顺序号
         /// </summary>
-        public int mlsxh { get; set; }
+        public int? mlsxh { get; set; }
         [DataMember]
         /// <summary>
         /// 目录类型 卷，目录看，文件