diff --git a/projects/Infrastructure/Infrastructure.csproj b/projects/Infrastructure/Infrastructure.csproj
index 8bd9d56c..53f1b312 100644
--- a/projects/Infrastructure/Infrastructure.csproj
+++ b/projects/Infrastructure/Infrastructure.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="CS-Script.Core" Version="1.2.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.7">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
@@ -23,7 +23,7 @@
     <PackageReference Include="Serilog.Settings.Configuration" Version="3.1.0" />
     <PackageReference Include="DotNetCore.NPOI" Version="1.2.2" />
     <PackageReference Include="HtmlAgilityPack.NetCore" Version="1.5.0.1" />
-    <PackageReference Include="MailKit" Version="2.3.2" />
+    <PackageReference Include="MailKit" Version="2.4.0.1" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
     <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
     <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
@@ -34,13 +34,11 @@
     <PackageReference Include="System.Management" Version="4.6.0" />
     <PackageReference Include="ValueInjecter" Version="3.2.0" />
     <PackageReference Include="Flurl" Version="2.8.2" />
-    <PackageReference Include="Hangfire.AspNetCore" Version="1.7.6" />
+    <PackageReference Include="Hangfire.AspNetCore" Version="1.7.7" />
     <PackageReference Include="Hangfire.MemoryStorage" Version="1.6.3" />
     <PackageReference Include="Cronos" Version="0.7.0" />
   </ItemGroup>
   聽<ItemGroup>
     <EmbeddedResource Include="wwwroot\**\*" />
-  </ItemGroup><ItemGroup>
-    <Folder Include="wwwroot\lib\pace-js\themes\" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/projects/Infrastructure/wwwroot/css/site.css b/projects/Infrastructure/wwwroot/css/site.css
index 05e8e04e..01f9fb33 100644
--- a/projects/Infrastructure/wwwroot/css/site.css
+++ b/projects/Infrastructure/wwwroot/css/site.css
@@ -20,6 +20,9 @@
     text-align:right;
 }
 /*表单验证提示信息*/
+.form-control.input-validation-error {
+    border-color: #dc3545;
+}
 .validation-summary-errors ul {
     color: red;
     padding-left: 0;
diff --git a/projects/IoT.Shared/IoT.Shared.csproj b/projects/IoT.Shared/IoT.Shared.csproj
index 6cc09f8d..a3025d33 100644
--- a/projects/IoT.Shared/IoT.Shared.csproj
+++ b/projects/IoT.Shared/IoT.Shared.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.7">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/projects/IoTCenter/IoTCenter.csproj b/projects/IoTCenter/IoTCenter.csproj
index 5d9bbf86..cdfcff80 100644
--- a/projects/IoTCenter/IoTCenter.csproj
+++ b/projects/IoTCenter/IoTCenter.csproj
@@ -4,7 +4,7 @@
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.7">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/projects/IoTCenter/Views/Home/Node.cshtml b/projects/IoTCenter/Views/Home/Node.cshtml
index 0bd50cf3..afc725f8 100644
--- a/projects/IoTCenter/Views/Home/Node.cshtml
+++ b/projects/IoTCenter/Views/Home/Node.cshtml
@@ -266,8 +266,8 @@
         </div>
         <div class="row">
             <!--鎽勫儚澶�-->
-            <div class="col-md-6">
-                <template v-if="HasDevices('鎽勫儚澶�')">
+            <template v-if="HasDevices('鎽勫儚澶�')">
+                <div class="col-md-6">
                     <div class="row">
                         <div class="col-md-12">
                             <div class="card">
@@ -280,6 +280,8 @@
                             </div>
                         </div>
                     </div>
+                </div>
+                <div class="col-md-6">
                     <div class="row" id="ptz">
                         <div class="col-md-12">
                             <div class="card" style="height:220px;">
@@ -314,8 +316,8 @@
                             </div>
                         </div>
                     </div>
-                </template>
-            </div>
+                </div>
+            </template>
             <!--璋冭壊鐏�-->
             <div class="col-md-6" v-for="device in GetDevices('璋冭壊鐏�')">
                 <div class="row">
diff --git a/projects/IoTCenter/Views/Home/Product.cshtml b/projects/IoTCenter/Views/Home/Product.cshtml
index 34aa2ebd..40d17dda 100644
--- a/projects/IoTCenter/Views/Home/Product.cshtml
+++ b/projects/IoTCenter/Views/Home/Product.cshtml
@@ -15,14 +15,26 @@
         </div>
     </div>
     <div class="row">
+        <div class="col-md-12">
+            <div class="card">
+                <div class="card-body">
+                    <label><input type="checkbox" class="checkall" v-on:change="SelectDevice($event)" />鍏ㄩ��</label>
+                    <button class="btn btn-sm btn-info uncheck" v-on:click="SelectDevice($event)">鍙嶉��</button>
+                </div>
+            </div>
+        </div>
         <div class="col-md-2 col-sm-4 col-xs-6" v-for="item in model.Devices">
             <div class="card">
                 <div class="card-header">
                     <h3 class="card-title">{{item.Name}}</h3>
-                    <div class="card-tools"></div>
+                    <div class="card-tools">
+                        <div class="custom-control custom-switch">
+                            <input type="checkbox" name="id[]" class="item" :value="item.Number" v-on:change="SelectDevice($event)">
+                        </div>
+                    </div>
                 </div>
                 <a class="box-body" :href="'/Home/Device?number='+item.Number" style="display:block;text-align:center;">
-                    <img :alt="item.Name" :src="model.Image" style="margin:0 auto;max-width:100%;" />
+                    <img :alt="item.Name" :src="model.Image" style="margin:0 auto;max-width:64px;" />
                 </a>
             </div>
         </div>
diff --git a/projects/IoTCenter/iotcenter.db b/projects/IoTCenter/iotcenter.db
index 1f545614..21f28489 100644
Binary files a/projects/IoTCenter/iotcenter.db and b/projects/IoTCenter/iotcenter.db differ
diff --git a/projects/IoTClient/Assets/StreamingAssets/libman.json.meta b/projects/IoTClient/Assets/StreamingAssets/libman.json.meta
new file mode 100644
index 00000000..48a9466a
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/libman.json.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 0c053ac43a8608844ac4f77035005bf1
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/index.html b/projects/IoTClient/Assets/StreamingAssets/wwwroot/index.html
index 4074dda1..b669968a 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/index.html
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/index.html
@@ -15,6 +15,9 @@
     <div id="app">
         <f7-app :params="$root.f7params">
             <f7-view main>
+                <f7-col>
+                    <f7-preloader></f7-preloader>
+                </f7-col>
                 <f7-page>
                     <f7-navbar title="浜у搧">
                         <f7-nav-right>
@@ -125,6 +128,7 @@
                 }
                 this.$f7ready((f7) => {
                     app = this.$f7;
+                    app.preloader.show();
                 });
                 connect();
                 this.load();
@@ -142,6 +146,9 @@
                         })
                         .catch(function (error) {
                             app.dialog.alert(error, '璀﹀憡', function () { })
+                        })
+                        .then(function () {
+                            app.preloader.hide();
                         });
                 }
             }
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/node.js b/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/node.js
index 897672c6..6a0c22a6 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/node.js
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/node.js
@@ -318,11 +318,13 @@ function init() {
                 }
                 this.$f7ready((f7) => {
                     app = this.$f7;
+                    app.preloader.show();
                 });
             }
             connect();
             this.$nextTick(function () {
                 UpdateCamera();
+                app.preloader.hide();
             });
         },
         methods: {
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/product.js b/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/product.js
index 704b22ad..d404fe69 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/product.js
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/product.js
@@ -310,6 +310,34 @@ function init() {
             });
         },
         methods: {
+            SelectDevice(e) {
+                var checkbox = $(e.target);
+                if (checkbox.hasClass('checkall')) {
+                    if (e.target.checked) {
+                        $('input.item').not(':checked').prop("checked", true);
+                    }
+                    else {
+                        $('input.item').filter(':checked').prop("checked", false);
+                    }
+                }
+                else if (checkbox.hasClass('uncheck')) {
+                    $('input.item').each(function () {
+                        $(this).prop("checked", !$(this).prop("checked")).change();
+                    });
+                }
+                var parent = $('input.checkall');
+                if ($('input.item').not(':checked').length === 0) {
+                    parent.prop("indeterminate", false);
+                    parent.prop("checked", true);
+                }
+                else if ($('input.item').filter(':checked').length === 0) {
+                    parent.prop("indeterminate", false);
+                    parent.prop("checked", false);
+                }
+                else {
+                    parent.prop("indeterminate", true);
+                }
+            },
             HasDevices(name) {
                 return Enumerable
                     .from(this.model.Devices)
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/product.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/product.js.meta
new file mode 100644
index 00000000..a8d825ea
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/product.js.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: ed5813ef20eca1a4a9e9df2b5df41812
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/Chart.js/Chart.bundle.min.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/Chart.js/Chart.bundle.min.js.meta
new file mode 100644
index 00000000..7b793cab
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/Chart.js/Chart.bundle.min.js.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: d7872965a1fa8cf4e92ef7aea1244d2b
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/axios/axios.min.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/axios/axios.min.js.meta
new file mode 100644
index 00000000..97070c9a
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/axios/axios.min.js.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: afc05fcf1c6518e42a13accb73ca7695
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/flv.js/flv.min.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/flv.js/flv.min.js.meta
new file mode 100644
index 00000000..44cd20e5
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/flv.js/flv.min.js.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 1d51325f1d33f744fa3608e9b3eb5147
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/URI.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free.meta
similarity index 77%
rename from projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/URI.js.meta
rename to projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free.meta
index 5b6f4fb9..821404d4 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/URI.js.meta
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 6a1ec83032971f442b2e44c936e6f35d
+guid: a24d89c20722ad1469325b1025d0d38a
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/dayjs.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/css.meta
similarity index 77%
rename from projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/dayjs.meta
rename to projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/css.meta
index fe831143..a02f1b3a 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/dayjs.meta
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/css.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: b0e8697b49c6624458660d7c73c9abcb
+guid: dcc8a34d278fbab42bf203e4015d2c0f
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/css/all.min.css.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/css/all.min.css.meta
new file mode 100644
index 00000000..af744df5
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/css/all.min.css.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 7b4cf22200238144886f901391d06b9d
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/jquery.ajax.unobtrusive.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts.meta
similarity index 77%
rename from projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/jquery.ajax.unobtrusive.meta
rename to projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts.meta
index 5f35f620..acd5af91 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/jquery.ajax.unobtrusive.meta
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 76f365a5df8ca044aa8cd21859124540
+guid: 9c3d069047a8ccc43bbaaf4702d8ee11
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.eot.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.eot.meta
new file mode 100644
index 00000000..2f2b849a
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.eot.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 056e640f93d6cd24f83b10e4ba060759
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.svg.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.svg.meta
new file mode 100644
index 00000000..44c07c0c
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.svg.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: a8757abe67b467343af726a740abcb8c
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.ttf.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.ttf.meta
new file mode 100644
index 00000000..f28c697c
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.ttf.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: c7ea5c75e9d9c774ca19e92b2d8ba8e9
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.woff.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.woff.meta
new file mode 100644
index 00000000..b9de6890
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.woff.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: c6c53290adc4eaf41acf99e4c57dd8a8
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.woff2.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.woff2.meta
new file mode 100644
index 00000000..465a3f9f
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-brands-400.woff2.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 67de8bcce3f865242ae517299c0f6336
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.eot.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.eot.meta
new file mode 100644
index 00000000..ee6e8a89
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.eot.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 3122cf2b4fba38c40a65a69ef36ed9c0
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.svg.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.svg.meta
new file mode 100644
index 00000000..8308819b
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.svg.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 61cf0479fd6b03342b411a7564ba4729
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.ttf.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.ttf.meta
new file mode 100644
index 00000000..bc3d6222
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.ttf.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: c96ed3d24a6344c478356cedfc40fa78
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.woff.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.woff.meta
new file mode 100644
index 00000000..8d7f6f20
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.woff.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 5a72d148a9175b3479ffe432643fba70
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.woff2.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.woff2.meta
new file mode 100644
index 00000000..8727459c
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/fontawesome-free/webfonts/fa-regular-400.woff2.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 703977fca30e6b34bb220db37155e13f
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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new file mode 100644
index 00000000..2ec167fd
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.json.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: a2588ba5652c83148b13291106709239
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.svg.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.svg.meta
new file mode 100644
index 00000000..118b37f5
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.svg.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 860f942cc8ef42b46b278f30a3519432
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.ttf.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.ttf.meta
new file mode 100644
index 00000000..e97db082
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.ttf.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 719b806ff4e2b1448ac56875f48251a4
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.woff.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.woff.meta
new file mode 100644
index 00000000..8ad2c928
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/metro4/mif/metro.woff.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 22ef4c8cda816a149986adb6a19fdaa7
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile-detect.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile-detect.meta
new file mode 100644
index 00000000..7919b2d4
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile-detect.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 583a0297962c7664da4d9e392ec89f6a
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile-detect/mobile-detect.min.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile-detect/mobile-detect.min.js.meta
new file mode 100644
index 00000000..2f6860e9
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile-detect/mobile-detect.min.js.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: ad9cb38c12a4b8c4c8592f3ef02f9d76
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
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diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile.detect.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile.detect.meta
deleted file mode 100644
index 570904bd..00000000
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/mobile.detect.meta
+++ /dev/null
@@ -1,8 +0,0 @@
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-guid: 0e25d8f24e9fddf4893777d28085e911
-folderAsset: yes
-DefaultImporter:
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diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/signalr/signalr.min.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/signalr/signalr.min.js.meta
new file mode 100644
index 00000000..ae7f004a
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/signalr/signalr.min.js.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 04a2cd7f5d2abed4e9d1197b6696f517
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/urijs.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/urijs.meta
new file mode 100644
index 00000000..c2d14e11
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/urijs.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: d097a0b24b1d91c40a0584f51916cb1d
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/urijs/URI.min.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/urijs/URI.min.js.meta
new file mode 100644
index 00000000..1e4d6aaf
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/urijs/URI.min.js.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: c50eb3113cf02ab4088faccdbd91a31c
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/vue/vue.min.js.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/vue/vue.min.js.meta
new file mode 100644
index 00000000..3b76d4f1
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/vue/vue.min.js.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 6d856888e423cd248a654365a151bb93
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/weui.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/weui.meta
deleted file mode 100644
index ca983ad5..00000000
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/lib/weui.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 181df7b787b554f49b9a26fade15a55f
-folderAsset: yes
-DefaultImporter:
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-  userData: 
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diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/node.html b/projects/IoTClient/Assets/StreamingAssets/wwwroot/node.html
index 66ffebb4..7ff674ff 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/node.html
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/node.html
@@ -13,6 +13,9 @@
     <div id="app">
         <f7-app :params="$root.f7params">
             <f7-view main>
+                <f7-col>
+                    <f7-preloader></f7-preloader>
+                </f7-col>
                 <f7-page>
                     <f7-navbar :title="model?model.Name:'鑺傜偣'">
                         <a href="nodes.html" slot="nav-left" class="link external"><i class="icon icon-back"></i></a>
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/nodes.html b/projects/IoTClient/Assets/StreamingAssets/wwwroot/nodes.html
index 3385ab7d..d3136b88 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/nodes.html
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/nodes.html
@@ -15,6 +15,9 @@
     <div id="app">
         <f7-app :params="$root.f7params">
             <f7-view main>
+                <f7-col>
+                    <f7-preloader></f7-preloader>
+                </f7-col>
                 <f7-page>
                     <f7-navbar title="鑺傜偣">
                         <f7-nav-right>
@@ -127,6 +130,7 @@
                 }
                 this.$f7ready((f7) => {
                     app = this.$f7;
+                    app.preloader.show();
                 });
                 this.load();
                 connect();
@@ -144,6 +148,9 @@
                         })
                         .catch(function (error) {
                             app.dialog.alert(error, '璀﹀憡', function () { })
+                        })
+                        .then(function () {
+                            app.preloader.hide();
                         });
                 }
             }
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/product.html.meta b/projects/IoTClient/Assets/StreamingAssets/wwwroot/product.html.meta
new file mode 100644
index 00000000..db23b4a0
--- /dev/null
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/product.html.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 6a626d04261d28c4ab3a6528909f173b
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/projects/IoTKeyGen/IoTKeyGen.csproj b/projects/IoTKeyGen/IoTKeyGen.csproj
index 1ca636ef..08c9e820 100644
--- a/projects/IoTKeyGen/IoTKeyGen.csproj
+++ b/projects/IoTKeyGen/IoTKeyGen.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.7">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/projects/IoTNode/IoTNode.csproj b/projects/IoTNode/IoTNode.csproj
index 03dcef1c..49bba8c0 100644
--- a/projects/IoTNode/IoTNode.csproj
+++ b/projects/IoTNode/IoTNode.csproj
@@ -4,7 +4,7 @@
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.7">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/projects/IoTNode/iotnode.db b/projects/IoTNode/iotnode.db
index 4a94377f..43f9b83b 100644
Binary files a/projects/IoTNode/iotnode.db and b/projects/IoTNode/iotnode.db differ
diff --git a/projects/UserCenter/UserCenter.csproj b/projects/UserCenter/UserCenter.csproj
index ce4c2063..7ddb6215 100644
--- a/projects/UserCenter/UserCenter.csproj
+++ b/projects/UserCenter/UserCenter.csproj
@@ -5,15 +5,15 @@
     <MvcRazorCompileOnPublish>true</MvcRazorCompileOnPublish>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.7">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="AspNet.Security.OAuth.GitHub" Version="3.0.0" />
     <PackageReference Include="AspNet.Security.OAuth.QQ" Version="3.0.0" />
     <PackageReference Include="FaceRecognitionDotNet" Version="1.2.3.13" />
-    <PackageReference Include="IdentityServer4" Version="3.0.1" />
-    <PackageReference Include="IdentityServer4.EntityFramework" Version="3.0.1" />
+    <PackageReference Include="IdentityServer4" Version="3.0.2" />
+    <PackageReference Include="IdentityServer4.EntityFramework" Version="3.0.2" />
     <PackageReference Include="RavenDB.Embedded" Version="4.2.4" />
   </ItemGroup>
   <ItemGroup>