diff --git a/Src/Dlhis.Entity/Device/Entities/DeviceTaskEntity.cs b/Src/Dlhis.Entity/Device/Entities/DeviceTaskEntity.cs
index 1399d6d4..d1c9ace1 100644
--- a/Src/Dlhis.Entity/Device/Entities/DeviceTaskEntity.cs
+++ b/Src/Dlhis.Entity/Device/Entities/DeviceTaskEntity.cs
@@ -68,8 +68,8 @@ public class DeviceTaskEntity : SugarBaseEntity, ITenantId, IVersion
     /// <summary>
     /// 优先级
     /// </summary>
-    [SugarColumn(DefaultValue = "0")]
-    public int Priority { get; set; } = 0;
+    [SugarColumn(IsNullable = true, DefaultValue = "0")]
+    public int Priority { get; set; } = 0; 
 
 
     public string TenantId { get; set; }