diff --git a/projects/Application/Domain/IoTCenter/IoTData.cs b/projects/Application/Domain/IoTCenter/IoTData.cs
index 52378d74..228cd25c 100644
--- a/projects/Application/Domain/IoTCenter/IoTData.cs
+++ b/projects/Application/Domain/IoTCenter/IoTData.cs
@@ -2,9 +2,6 @@ using Infrastructure.Domain;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
-using System.Text.Encodings.Web;
-using System.Text.Json;
-using System.Text.Unicode;
 
 namespace Application.Domain.Entities
 {
@@ -23,7 +20,7 @@ namespace Application.Domain.Entities
         [Display(Name = "名称")]
         public string Name { get; set; }
 
-        [Display(Name = "数据类型")]
+        [Display(Name = "数据分类")]
         public IoTDataType DataType { get; set; }
 
         [Display(Name = "数值类型")]
diff --git a/projects/IoT.Shared/Application/Models/EditIoTDataModel.cs b/projects/IoT.Shared/Application/Models/EditIoTDataModel.cs
index 6349b2c4..60498562 100644
--- a/projects/IoT.Shared/Application/Models/EditIoTDataModel.cs
+++ b/projects/IoT.Shared/Application/Models/EditIoTDataModel.cs
@@ -1,9 +1,9 @@
-using Infrastructure.Application;
 using Application.Domain.Entities;
+using Infrastructure.Application;
 using IoT.Shared.Areas.IoTCenter.Controlls;
 using System;
-using System.ComponentModel.DataAnnotations;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 
 namespace IoT.Shared.Application.Models
 {
@@ -38,11 +38,14 @@ namespace IoT.Shared.Application.Models
         [Required(ErrorMessage = nameof(RequiredAttribute))]
 
         public string Name { get; set; }
-        [Display(Name = "数据类型")]
+
+        [SelectList]
+        [Display(Name = "数据分类")]
         [ReadOnlyForEdit]
         [Required(ErrorMessage = nameof(RequiredAttribute))]
         public IoTDataType? DataType { get; set; }
 
+        [SelectList]
         [Display(Name = "数值类型")]
         [ReadOnlyForEdit]
         [Required(ErrorMessage = nameof(RequiredAttribute))]
@@ -54,7 +57,6 @@ namespace IoT.Shared.Application.Models
         [Description("描述枚举、对象和数组的类型定义")]
         public string ValueSchema { get; set; }
 
-
         [Display(Name = "单位")]
         [ReadOnlyForEdit]
         public string Unit { get; set; }
@@ -63,6 +65,7 @@ namespace IoT.Shared.Application.Models
         [ReadOnlyForEdit]
         public string Description { get; set; }
 
+        [SkipSearch]
         [Display(Name = "时间戳")]
         [ReadOnlyForEdit]
         [Required(ErrorMessage = nameof(RequiredAttribute))]
diff --git a/projects/Platform/Areas/IoTCenter/Controllers/IoTDataController.cs b/projects/Platform/Areas/IoTCenter/Controllers/IoTDataController.cs
index 56042e93..5b240be3 100644
--- a/projects/Platform/Areas/IoTCenter/Controllers/IoTDataController.cs
+++ b/projects/Platform/Areas/IoTCenter/Controllers/IoTDataController.cs
@@ -66,6 +66,7 @@ namespace IoT.Shared.Areas.IoTCenter.Controlls
                 .WhereIf(!string.IsNullOrEmpty(model.Query.Name), o => o.Name.Contains(model.Query.Name))
                 .WhereIf(!string.IsNullOrEmpty(model.Query.Key), o => o.Key.Contains(model.Query.Key))
                 .WhereIf(!string.IsNullOrEmpty(model.Query.Value), o => o.Value.Contains(model.Query.Value))
+                .WhereIf(model.Query.DataType.HasValue, o => o.DataType == model.Query.DataType.Value)
                 .WhereIf(model.Query.ValueType.HasValue, o => o.ValueType == model.Query.ValueType.Value)
                 .WhereIf(!string.IsNullOrEmpty(model.Query.Unit), o => o.Unit.Contains(model.Query.Unit))
                 .WhereIf(!string.IsNullOrEmpty(model.Query.Description), o => o.Description.Contains(model.Query.Description))