diff --git a/IoTGateway.ViewModel/BasicData/DeviceConfigVMs/DeviceConfigListVM.cs b/IoTGateway.ViewModel/BasicData/DeviceConfigVMs/DeviceConfigListVM.cs
index ed772c8..e8f8d45 100644
--- a/IoTGateway.ViewModel/BasicData/DeviceConfigVMs/DeviceConfigListVM.cs
+++ b/IoTGateway.ViewModel/BasicData/DeviceConfigVMs/DeviceConfigListVM.cs
@@ -20,7 +20,7 @@ namespace IoTGateway.ViewModel.BasicData.DeviceConfigVMs
             {
                 this.MakeStandardAction("DeviceConfig", GridActionStandardTypesEnum.Create, Localizer["Sys.Create"],"BasicData", dialogWidth: 800),
                 this.MakeStandardAction("DeviceConfig", GridActionStandardTypesEnum.Edit, Localizer["Sys.Edit"], "BasicData", dialogWidth: 800),
-                //this.MakeStandardAction("DeviceConfig", GridActionStandardTypesEnum.Delete, Localizer["Sys.Delete"], "BasicData", dialogWidth: 800),
+                this.MakeStandardAction("DeviceConfig", GridActionStandardTypesEnum.Delete, Localizer["Sys.Delete"], "BasicData", dialogWidth: 800),
                 this.MakeStandardAction("DeviceConfig", GridActionStandardTypesEnum.Details, Localizer["Sys.Details"], "BasicData", dialogWidth: 800),
                 this.MakeStandardAction("DeviceConfig", GridActionStandardTypesEnum.BatchEdit, Localizer["Sys.BatchEdit"], "BasicData", dialogWidth: 800),
                 //this.MakeStandardAction("DeviceConfig", GridActionStandardTypesEnum.BatchDelete, Localizer["Sys.BatchDelete"], "BasicData", dialogWidth: 800),
diff --git a/IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableListVM.cs b/IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableListVM.cs
index 7b9576a..d48722e 100644
--- a/IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableListVM.cs
+++ b/IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableListVM.cs
@@ -78,7 +78,7 @@ namespace IoTGateway.ViewModel.BasicData.DeviceVariableVMs
                 }),
                 this.MakeGridHeader(x => x.Expressions).SetWidth(150),
                 this.MakeGridHeader(x => x.IsUpload).SetWidth(80),
-                //this.MakeGridHeader(x => x.ProtectType).SetSort(true),
+                this.MakeGridHeader(x => x.ProtectType).SetWidth(80).SetSort(true),
                 this.MakeGridHeader(x => x.DeviceName_view).SetSort(true).SetWidth(90),
                 this.MakeGridHeader(x => x.Alias).SetSort(true).SetWidth(90),
                 this.MakeGridHeader(x => x.Timestamp).SetWidth(100).SetFormat((a,b)=>{
diff --git a/IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableVM.cs b/IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableVM.cs
index 5fb9b27..e7865a4 100644
--- a/IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableVM.cs
+++ b/IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableVM.cs
@@ -10,6 +10,7 @@ using IoTGateway.Model;
 using Plugin;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Primitives;
+using PluginInterface;
 
 namespace IoTGateway.ViewModel.BasicData.DeviceVariableVMs
 {
@@ -25,7 +26,11 @@ namespace IoTGateway.ViewModel.BasicData.DeviceVariableVMs
 
         protected override void InitVM()
         {
-            this.Entity.IsUpload = true;
+            if (this.ControllerName.ToLower().Contains("add"))
+            {
+                this.Entity.IsUpload = true;
+                this.Entity.ProtectType =  ProtectTypeEnum.ReadWrite;
+            }
             AllDevices = DC.Set<Device>().AsNoTracking().Where(x => x.DeviceTypeEnum == DeviceTypeEnum.Device)
                 .OrderBy(x => x.Parent.Index).ThenBy(x => x.Parent.DeviceName)
                 .OrderBy(x => x.Index).ThenBy(x => x.DeviceName)
diff --git a/IoTGateway/Areas/BasicData/Views/DeviceConfig/Edit.cshtml b/IoTGateway/Areas/BasicData/Views/DeviceConfig/Edit.cshtml
index 80d772f..253d079 100644
--- a/IoTGateway/Areas/BasicData/Views/DeviceConfig/Edit.cshtml
+++ b/IoTGateway/Areas/BasicData/Views/DeviceConfig/Edit.cshtml
@@ -3,7 +3,7 @@
 
 <wt:form vm="@Model" height="400">
     <wt:row items-per-row="ItemsPerRowEnum.Two">
-        @*<wt:textbox field="Entity.DeviceConfigName" />*@
+        <wt:textbox field="Entity.DeviceConfigName" />
         @{
             if (!string.IsNullOrEmpty(Model.Entity.EnumInfo))
             {
@@ -15,7 +15,7 @@
             }
         }
         <wt:textbox field="Entity.Description" />
-        @*<wt:textbox field="Entity.EnumInfo" />*@
+        <wt:combobox field="Entity.DataSide" />
         @*<wt:combobox field="Entity.DeviceId" items="AllDevices" />*@
     </wt:row>
     <wt:hidden field="Entity.ID" />
diff --git a/Plugins/Plugin/DeviceThread.cs b/Plugins/Plugin/DeviceThread.cs
index f8f2224..d10bd8a 100644
--- a/Plugins/Plugin/DeviceThread.cs
+++ b/Plugins/Plugin/DeviceThread.cs
@@ -74,7 +74,7 @@ namespace Plugin
                             {
                                 if (driver.IsConnected)
                                 {
-                                    foreach (var deviceVariables in Device.DeviceVariables!.GroupBy(x => x.Alias))
+                                    foreach (var deviceVariables in Device.DeviceVariables.Where(x=>x.ProtectType!= ProtectTypeEnum.WriteOnly).GroupBy(x => x.Alias))
                                     {
                                         string deviceName = string.IsNullOrWhiteSpace(deviceVariables.Key)
                                             ? Device.DeviceName
@@ -158,7 +158,7 @@ namespace Plugin
 
                                             payLoad.TS = (long)(DateTime.UtcNow - _tsStartDt).TotalMilliseconds;
 
-                                            if (deviceVariables.All(x => x.StatusType == VaribaleStatusTypeEnum.Good))
+                                            if (deviceVariables.Where(x=>x.IsUpload&&x.ProtectType!=ProtectTypeEnum.WriteOnly).All(x => x.StatusType == VaribaleStatusTypeEnum.Good))
                                             {
                                                 payLoad.DeviceStatus = DeviceStatusTypeEnum.Good;
                                                 sendModel[deviceName] = new List<PayLoad> { payLoad };
@@ -173,7 +173,7 @@ namespace Plugin
                                     }
 
                                     //只要有读取异常且连接正常就断开
-                                    if (Device.DeviceVariables!.Any(x => x.StatusType != VaribaleStatusTypeEnum.Good) && driver.IsConnected)
+                                    if (Device.DeviceVariables.Where(x => x.IsUpload && x.ProtectType != ProtectTypeEnum.WriteOnly).Any(x => x.StatusType != VaribaleStatusTypeEnum.Good) && driver.IsConnected)
                                     {
                                         driver.Close();
                                         driver.Dispose();
@@ -261,7 +261,7 @@ namespace Plugin
                                     deviceVariable = Device.DeviceVariables.FirstOrDefault(x =>
                                         x.Name == para.Key && x.Alias == e.DeviceName);
 
-                                if (deviceVariable != null)
+                                if (deviceVariable != null&& deviceVariable.ProtectType!= ProtectTypeEnum.ReadOnly)
                                 {
                                     DriverAddressIoArgModel ioArgModel = new()
                                     {
@@ -280,7 +280,7 @@ namespace Plugin
                                 else
                                 {
                                     rpcResponse.IsSuccess = false;
-                                    rpcResponse.Description += $"未能找到变量:{para.Key},";
+                                    rpcResponse.Description += $"未能找到支持写入的变量:{para.Key},";
                                 }
                             }
 
diff --git a/Plugins/PluginInterface/ProtectTypeEnum.cs b/Plugins/PluginInterface/ProtectTypeEnum.cs
index a57be30..0f4a106 100644
--- a/Plugins/PluginInterface/ProtectTypeEnum.cs
+++ b/Plugins/PluginInterface/ProtectTypeEnum.cs
@@ -13,5 +13,7 @@ namespace PluginInterface
         ReadOnly,
         [Display(Name = "读写")]
         ReadWrite,
+        [Display(Name = "只写")]
+        WriteOnly,
     }
 }