fix 数据类型调整

Src/Dlhis.Entity/Device/Entities/DeviceTaskEntity.cs

@@ -44,6 +44,7 @@ public class DeviceTaskEntity : SugarBaseEntity, ITenantId, IVersion
     /// <summary>
     /// 处理结果
     /// </summary>
+    [SugarColumn(ColumnDataType = "longtext")]
     public string ResultMessage { get; set; }
 
     public string TenantId { get; set; }