diff --git a/projects/IoT/IoT.Shared/DeviceServices/FBee/FBeeService.cs b/projects/IoT/IoT.Shared/DeviceServices/FBee/FBeeService.cs
index c675f8cb..ff898a68 100644
--- a/projects/IoT/IoT.Shared/DeviceServices/FBee/FBeeService.cs
+++ b/projects/IoT/IoT.Shared/DeviceServices/FBee/FBeeService.cs
@@ -1307,7 +1307,7 @@ namespace IoT.Shared.DeviceServices.FBee
                                 tempBytes.Add(0x00);
                                 var electricity = BitConverter.ToInt64(tempBytes.ToArray()) / 1000f;
 
-                                var data1 = device.CreateData(Keys.Electricity, electricity, DeviceDataType.Float, "电量", "kw/h");
+                                var data1 = device.CreateData(Keys.Electricity, electricity, DeviceDataType.Float, "电量", "kWh");
                                 device.AddorUpdateData(data1);
                                 var dto1 = data1.To<EditDataModel>();
                                 dto1.DeviceNumber = device.Number;
diff --git a/projects/IoT/IoT.Shared/DeviceServices/Onvif/OnvifService.cs b/projects/IoT/IoT.Shared/DeviceServices/Onvif/OnvifService.cs
index 625097fd..c4705827 100644
--- a/projects/IoT/IoT.Shared/DeviceServices/Onvif/OnvifService.cs
+++ b/projects/IoT/IoT.Shared/DeviceServices/Onvif/OnvifService.cs
@@ -399,7 +399,7 @@ namespace IoT.Shared.DeviceServices.Onvif
             process.Exited += (s, e) =>
             {
                 var _process = s as Process;
-                Console.WriteLine($"list:{_list.Count},exit:{_process.ExitCode},args:{arguments}");
+                Console.WriteLine($"ffmpeg processes list:{_list.Count},exit:{_process.ExitCode},args:{arguments}");
                 if (_process != null)
                 {
                     Thread.Sleep(10 * 1000);
diff --git a/projects/IoT/IoTNode/data.db-shm b/projects/IoT/IoTNode/data.db-shm
deleted file mode 100644
index 536db090..00000000
Binary files a/projects/IoT/IoTNode/data.db-shm and /dev/null differ
diff --git a/projects/IoT/IoTNode/data.db-wal b/projects/IoT/IoTNode/data.db-wal
deleted file mode 100644
index fdaf9e0d..00000000
Binary files a/projects/IoT/IoTNode/data.db-wal and /dev/null differ
diff --git a/projects/IoTCenter/Services/PageHub.cs b/projects/IoTCenter/Services/PageHub.cs
index 999ed8cc..f26c9fa1 100644
--- a/projects/IoTCenter/Services/PageHub.cs
+++ b/projects/IoTCenter/Services/PageHub.cs
@@ -28,6 +28,7 @@ namespace IoTCenter.Services
 
         public override void ClientToServer(string method, string message, string connectionId)
         {
+            Console.WriteLine($"iot center> receive message from {connectionId}");
             if (method == Methods.HealthCheckResponse)
             {
                 using (var scope = this._applicationService.CreateScope())
diff --git a/projects/IoTCenter/wwwroot/node.html b/projects/IoTCenter/wwwroot/node.html
index b545db93..e0536282 100644
--- a/projects/IoTCenter/wwwroot/node.html
+++ b/projects/IoTCenter/wwwroot/node.html
@@ -4,7 +4,7 @@
     </div>
 </div>
 <div class="row" v-if="ViewModel">
-    <div class="col-md-6" v-if="HasCameras()">
+    <div class="col-md-6" v-if="HasDevices('摄像头')">
         <div class="row">
             <div class="box box-solid">
                 <select class="form-control" id="camera" @change="CameraSelected">
@@ -139,7 +139,7 @@
             </div>
         </div>
     </div>
-    <div class="col-md-6 control">
+    <div class="col-md-6 control" v-if="HasDevices('一路开关')">
         <div class="box box-solid">
             <div class="box-header with-border">
                 <h3 class="box-title"><img src="/images/switch2.png" style="height:18px;margin-right:10px;" />一路开关</h3>
@@ -164,7 +164,7 @@
             </div>
         </div>
     </div>
-    <div class="col-md-6 control">
+    <div class="col-md-6 control" v-if="HasDevices('三路开关')">
         <div class="box box-solid">
             <div class="box-header with-border">
                 <h3 class="box-title"><img src="/images/switch2.png" style="height:18px;margin-right:10px;" />三路开关</h3>
@@ -193,7 +193,7 @@
             </div>
         </div>
     </div>
-    <div class="col-md-6 control">
+    <div class="col-md-6 control" v-if="HasDevices('插座')">
         <div class="box box-solid">
             <div class="box-header with-border">
                 <h3 class="box-title"><img src="/images/switch2.png" style="height:18px;margin-right:10px;" />插座</h3>
@@ -211,6 +211,8 @@
                         </div>
                         <div class="row" style="text-align:center;">
                             {{device.DisplayName||device.Name}}
+                            <br />
+                            {{GetDataValue(device.Number,'电量')}} 度
                         </div>
                         <br />
                     </div>
@@ -220,49 +222,47 @@
     </div>
     <template v-for="device in GetDevices('调色灯')">
         <div class="col-md-6 control">
-            <div class="row">
-                <div class="box box-solid btns">
-                    <div class="box-header with-border">
-                        <h3 class="box-title"><img src="/images/light2.png" style="height:18px;margin-right:10px;" />{{device.DisplayName||device.Name}}</h3>
-                        <div class="box-tools pull-right">
-                            <img v-if="GetDataValue(device.Number,'状态')=='开'" @click="CallApi(device.Number,'/ColorLight/Off')" src="/images/on.png" />
-                            <img v-if="GetDataValue(device.Number,'状态')=='关'" @click="CallApi(device.Number,'/ColorLight/On')" src="/images/off.png" />
-                        </div>
+            <div class="box box-solid btns">
+                <div class="box-header with-border">
+                    <h3 class="box-title"><img src="/images/light2.png" style="height:18px;margin-right:10px;" />{{device.DisplayName||device.Name}}</h3>
+                    <div class="box-tools pull-right">
+                        <img v-if="GetDataValue(device.Number,'状态')=='开'" @click="CallApi(device.Number,'/ColorLight/Off')" src="/images/on.png" />
+                        <img v-if="GetDataValue(device.Number,'状态')=='关'" @click="CallApi(device.Number,'/ColorLight/On')" src="/images/off.png" />
                     </div>
-                    <div class="box-body">
-                        <form method="get" action="/App/Exec">
-                            <input type="hidden" name="Number" :value="device.Number" />
-                            <input type="hidden" name="Method" value="/ColorLight/SetBrightness" />
-                            <div class="row">
-                                <div class="col-md-2">
-                                    <span class="label1">亮度</span>
-                                </div>
-                                <div class="col-md-10">
-                                    <input @change="AjaxSubmit($event,device.Number,'亮度')" type="range" min="0" step="1" max="255" name="Brightness" :value="GetDataValue(device.Number,'亮度')" />
-                                </div>
+                </div>
+                <div class="box-body">
+                    <form method="get" action="/App/Exec">
+                        <input type="hidden" name="Number" :value="device.Number" />
+                        <input type="hidden" name="Method" value="/ColorLight/SetBrightness" />
+                        <div class="row">
+                            <div class="col-md-2">
+                                <span class="label1">亮度</span>
+                            </div>
+                            <div class="col-md-10">
+                                <input @change="AjaxSubmit($event,device.Number,'亮度')" type="range" min="0" step="1" max="255" name="Brightness" :value="GetDataValue(device.Number,'亮度')" />
+                            </div>
+                        </div>
+                    </form>
+                    <form method="get" action="/App/Exec">
+                        <input type="hidden" name="Number" :value="device.Number" />
+                        <input type="hidden" name="Method" value="/ColorLight/SetColor" />
+                        <div class="row">
+                            <div class="col-md-2">
+                                <span class="label1">色调</span>
                             </div>
-                        </form>
-                        <form method="get" action="/App/Exec">
-                            <input type="hidden" name="Number" :value="device.Number" />
-                            <input type="hidden" name="Method" value="/ColorLight/SetColor" />
-                            <div class="row">
-                                <div class="col-md-2">
-                                    <span class="label1">色调</span>
-                                </div>
-                                <div class="col-md-10">
-                                    <input @change="AjaxSubmit($event,device.Number,'色调')" type="range" min="0" step="1" max="255" name="Hue" :value="GetDataValue(device.Number,'色调')" />
-                                </div>
+                            <div class="col-md-10">
+                                <input @change="AjaxSubmit($event,device.Number,'色调')" type="range" min="0" step="1" max="255" name="Hue" :value="GetDataValue(device.Number,'色调')" />
                             </div>
-                            <div class="row">
-                                <div class="col-md-2">
-                                    <span class="label1">饱和度</span>
-                                </div>
-                                <div class="col-md-10">
-                                    <input @change="AjaxSubmit($event,device.Number,'饱和度')" type="range" min="0" step="1" max="255" name="Saturation" :value="GetDataValue(device.Number,'饱和度')" />
-                                </div>
+                        </div>
+                        <div class="row">
+                            <div class="col-md-2">
+                                <span class="label1">饱和度</span>
                             </div>
-                        </form>
-                    </div>
+                            <div class="col-md-10">
+                                <input @change="AjaxSubmit($event,device.Number,'饱和度')" type="range" min="0" step="1" max="255" name="Saturation" :value="GetDataValue(device.Number,'饱和度')" />
+                            </div>
+                        </div>
+                    </form>
                 </div>
             </div>
         </div>
@@ -273,7 +273,7 @@
                 <div class="box-header with-border">
                     <h3 class="box-title"><img src="/images/control.png" style="height:18px;margin-right:10px;" />{{device.DisplayName||device.Name}}</h3>
                 </div>
-                <div class="row" style="background-color:#fff;border:1px solid #eee;border-radius:5px;text-align:center;padding:10px 0;margin:10px 0">
+                <div class="box-body">
                     <form class="device KeyCodeType1 ir" method="get" action="/App/Exec">
                         <input type="hidden" name="Number" :value="device.Number" />
                         <input type="hidden" name="Method" value="/Ir/Send" />
@@ -403,18 +403,20 @@
         });
         connection.on("UpdateDevice", (message) => {
             var newDevice = JSON.parse(message);
-            var update = false;
-            for (var i = 0; i < vm.ViewModel.Devices.length; i++) {
-                if (vm.ViewModel.Devices[i].Number == newDevice.Number) {
-                    update = true;
-                    break;
+            if (newDevice.NodeId === vm.ViewModel.Id) {
+                var update = false;
+                for (var i = 0; i < vm.ViewModel.Devices.length; i++) {
+                    if (vm.ViewModel.Devices[i].Number == newDevice.Number) {
+                        update = true;
+                        break;
+                    }
+                }
+                if (update) {
+                    vm.ViewModel.Devices.splice(i, 1, newDevice);
+                }
+                else {
+                    vm.ViewModel.Devices.push(newDevice);
                 }
-            }
-            if (update) {
-                vm.ViewModel.Devices.splice(i, 1, newDevice);
-            }
-            else {
-                vm.ViewModel.Devices.push(newDevice);
             }
         });
 
@@ -632,10 +634,10 @@
                 }
                 return null;
             },
-            HasCameras() {
+            HasDevices(name) {
                 return Enumerable
                     .from(vm.ViewModel.Devices)
-                    .any(function (o) { return o.Name === '摄像头' });
+                    .any(function (o) { return o.Name === name });
             },
             GetCameras() {
                 return Enumerable
diff --git a/projects/IoTCenter/wwwroot/node.tangshan.html b/projects/IoTCenter/wwwroot/node.tangshan.html
index 3f5ecd6c..56309328 100644
--- a/projects/IoTCenter/wwwroot/node.tangshan.html
+++ b/projects/IoTCenter/wwwroot/node.tangshan.html
@@ -479,18 +479,20 @@
         });
         connection.on("UpdateDevice", (message) => {
             var newDevice = JSON.parse(message);
-            var update = false;
-            for (var i = 0; i < vm.ViewModel.Devices.length; i++) {
-                if (vm.ViewModel.Devices[i].Number == newDevice.Number) {
-                    update = true;
-                    break;
+            if (newDevice.NodeId === vm.ViewModel.Id) {
+                var update = false;
+                for (var i = 0; i < vm.ViewModel.Devices.length; i++) {
+                    if (vm.ViewModel.Devices[i].Number == newDevice.Number) {
+                        update = true;
+                        break;
+                    }
+                }
+                if (update) {
+                    vm.ViewModel.Devices.splice(i, 1, newDevice);
+                }
+                else {
+                    vm.ViewModel.Devices.push(newDevice);
                 }
-            }
-            if (update) {
-                vm.ViewModel.Devices.splice(i, 1, newDevice);
-            }
-            else {
-                vm.ViewModel.Devices.push(newDevice);
             }
         });
 
diff --git a/publish/src/linux-arm/publish/install.sh b/publish/src/linux-arm/publish/install.sh
index 7b868c7f..042a1188 100644
--- a/publish/src/linux-arm/publish/install.sh
+++ b/publish/src/linux-arm/publish/install.sh
@@ -12,6 +12,7 @@ sudo dpkg -i ~/publish/files/python-meld3_1.0.2-2_all.deb
 sudo dpkg -i ~/publish/files/supervisor_3.3.5-1_all.deb
 sudo dpkg -i ~/publish/files/fonts-wqy-zenhei_0.9.45-7_all.deb
 sudo dpkg -i ~/publish/files/n2n_2.5.0-170_armhf.deb
+sudo apt install libgdiplus
 #http://packages.ntop.org/
 sudo dpkg -i ~/publish/files/n2n_2.5.0-170_armhf.deb
 mkdir -p ~/dotnet