diff --git a/Src/Dlhis.Entity/Device/Entities/DeviceRegistryEntity.cs b/Src/Dlhis.Entity/Device/Entities/DeviceRegistryEntity.cs
index 6b2a21b9..3ba6c6b9 100644
--- a/Src/Dlhis.Entity/Device/Entities/DeviceRegistryEntity.cs
+++ b/Src/Dlhis.Entity/Device/Entities/DeviceRegistryEntity.cs
@@ -30,13 +30,13 @@ public class DeviceRegistryEntity : SugarBaseEntity, ITenantId
     /// <summary>
     /// 营业点code(可为空)
     /// </summary>
-    [SugarColumn(IsNullable = true, ColumnDescription = "注册时间")]
-    public Guid BusinessPlaceCode { get; set; }
+    [SugarColumn(IsNullable = true, ColumnDescription = "营业点code")]
+    public Guid? BusinessPlaceCode { get; set; }
 
     /// <summary>
     /// 营业点手工号(可为空)
     /// </summary>
-    [SugarColumn(IsNullable = true, ColumnDescription = "注册时间")]
+    [SugarColumn(IsNullable = true, ColumnDescription = "营业点手工号")]
     public string BusinessPlaceCustomCode { get; set; }
 
     public string TenantId { get; set; }