diff --git a/articles/general-usage/index.md b/articles/general-usage/index.md
index 2e190d65..c364749c 100644
--- a/articles/general-usage/index.md
+++ b/articles/general-usage/index.md
@@ -21,9 +21,9 @@ Here we present a comprehensive guide on how to develop a web application with s
 ## Table of Contents
 
 - [Loading Library Resources]({{site.general-usage}}resource-loading.html)
-- [License]({{site.general-usage}}initialization.html)
-- [Initializing DWT]({{site.general-usage}}license.html)
-- [Importing Images]({{site.general-usage}}image-import/index.html)
+- [License]({{site.general-usage}}license.html)
+- [Initializing DWT]({{site.general-usage}}initialization.html)
+- [Acquiring Images from Scanners]({{site.general-usage}}scanner-image-acquisition.html)
 - [Configuring the Viewer]({{site.general-usage}}viewer-configuration.html)
 - [Processing Images]({{site.general-usage}}image-processing/index.html)
 - [Exporting Images]({{site.general-usage}}image-export/index.html)
diff --git a/info/api/restful.md b/info/api/restful.md
index c1d33465..7baa0efb 100644
--- a/info/api/restful.md
+++ b/info/api/restful.md
@@ -120,7 +120,7 @@ Update specified server settings. Some settings require administrator privileges
 
 | Name     | Location | Type          | Required | Restrictions                                                            | Description                                                                                   |
 | -------- | -------- | ------------- | -------- | ----------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
-|body|body|[`ServerSettingsInput`](#serversettingsinput)| no |none|
+|logLevel|body|[`ServerSettingsInput`](#serversettingsinput)| no |none|
 
 #### Request Example
 
@@ -2172,8 +2172,6 @@ We also return websocket protocol info. but not list.
 
 ```
 
-page info
-
 #### Attributes
 
 |Name|Type|Required|Restrictions|Description|
@@ -2194,8 +2192,6 @@ page info
 
 ```
 
-document info
-
 #### Attributes
 
 |Name|Type|Required|Restrictions|Description|
diff --git a/info/schedule/Addon.md b/info/schedule/Addon.md
index 8a2537f6..076e41f3 100644
--- a/info/schedule/Addon.md
+++ b/info/schedule/Addon.md
@@ -15,6 +15,7 @@ permalink: /info/schedule/Addon.html
 
 | Version | Service | Core | PDFR | Barcode | Camera/Webcam | OCRB | OCRPro| Uploader | 
 |:-:|:-:|:-:|:-:|:-:|:-:|:-:|:-:|:-:|
+| v19.0| 1.9.0.318 | 19.0.0.0318 | 12.0.0.0318 | 9.6.40.220 | N/A /15.0.0.0625 | N/A | N/A | 1.9.0.0318 |
 | v18.5.1| 1.8.5.828 | 18.5.1.0828 | 11.5.3.0828 | 9.6.40.220 | N/A /15.0.0.0625 | N/A | N/A | 1.8.5.0828 |
 | v18.5| 1.8.5.312 | 18.5.0.0312 | 11.5.2.0312 | 9.6.40.220 | N/A /15.0.0.0625 | N/A | N/A | 1.8.5.0312 |
 | v18.4.2| 1.8.4.1110 | 18.4.2.1110 | 11.5.1.0926 | 9.6.20.307 | N/A /15.0.0.0625 | N/A | N/A | 1.8.4.0926 |
diff --git a/web.config b/web.config
index 8d056790..1ccf5bed 100644
--- a/web.config
+++ b/web.config
@@ -66,13 +66,7 @@
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
-        <rule name="Redirect scanning guide https://www.dynamsoft.com/web-twain/docs/general-usage/scanner-image-acquisition.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="general-usage/scanner-image-acquisition.html" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/scanner-image-acquisition.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
-        <rule name="Redirect file import guide https://www.dynamsoft.com/web-twain/docs/general-usage/scanner-image-acquisition.html" enabled="true" patternSyntax="ECMAScript">
+        <rule name="Redirect file import guide https://www.dynamsoft.com/web-twain/docs/extended-usage/file-import.html" enabled="true" patternSyntax="ECMAScript">
           <match url="general-usage/file-import.html" ignoreCase="true" negate="false" />
           <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/extended-usage/file-import.html" appendQueryString="false" logRewrittenUrl="false" />
@@ -96,12 +90,6 @@
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/extended-usage/dynamsoft-service-configuration.html" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
-        <rule name="Redirect extended usage guide https://www.dynamsoft.com/web-twain/docs/extended-usage/index.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="indepth/features/" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/extended-usage/index.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
         <rule name="Redirect PDF compression guide https://www.dynamsoft.com/web-twain/docs/extended-usage/pdf-compression.html" enabled="true" patternSyntax="ECMAScript">
           <match url="indepth/features/pdfc.html" ignoreCase="true" negate="false" />
           <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
@@ -114,54 +102,24 @@
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/extended-usage/pdf-processing.html" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
-        <rule name="Redirect system message configuration guide https://www.dynamsoft.com/web-twain/docs/extended-usage/system-message-configuration.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="indepth/features/ui.html" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/extended-usage/system-message-configuration.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
         <rule name="Redirect UI customization guide https://www.dynamsoft.com/web-twain/docs/extended-usage/ui-customization.html" enabled="true" patternSyntax="ECMAScript">
           <match url="indepth/features/ui.html" ignoreCase="true" negate="false" />
           <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/extended-usage/ui-customization.html" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
-        <rule name="Redirect general usage guide https://www.dynamsoft.com/web-twain/docs/general-usage/index.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="getstarted/" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/index.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
         <rule name="Redirect general initialization guide https://www.dynamsoft.com/web-twain/docs/general-usage/initialization.html" enabled="true" patternSyntax="ECMAScript">
           <match url="indepth/features/initialize.html" ignoreCase="true" negate="false" />
           <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/initialization.html" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
-        <rule name="Redirect license key usage guide https://www.dynamsoft.com/web-twain/docs/general-usage/license.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="about/license.html" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/license.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
         <rule name="Redirect general scanning guide https://www.dynamsoft.com/web-twain/docs/general-usage/scanner-image-acquisition.html" enabled="true" patternSyntax="ECMAScript">
           <match url="indepth/features/input.html" ignoreCase="true" negate="false" />
           <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/scanner-image-acquisition.html" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
-        <rule name="Redirect server deployment guide https://www.dynamsoft.com/web-twain/docs/general-usage/server-deployment.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="indepth/deployment/server.html" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/server-deployment.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
-        <rule name="Redirect server-side scripting guide https://www.dynamsoft.com/web-twain/docs/general-usage/server-side-scripting.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="indepth/development/Server-script.html" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/server-side-scripting.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
         <rule name="Redirect viewer configuration guide https://www.dynamsoft.com/web-twain/docs/general-usage/viewer-configuration.html" enabled="true" patternSyntax="ECMAScript">
           <match url="indepth/features/viewer.html" ignoreCase="true" negate="false" />
           <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
@@ -174,18 +132,6 @@
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/image-export/index.html" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
-        <rule name="Redirect local image export guide https://www.dynamsoft.com/web-twain/docs/general-usage/image-export/local-export.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="indepth/features/output.html#save" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/image-export/local-export.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
-        <rule name="Redirect general server upload guide https://www.dynamsoft.com/web-twain/docs/general-usage/image-export/server-upload.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="indepth/features/output.html" ignoreCase="true" negate="false" />
-          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/image-export/server-upload.html" appendQueryString="false" logRewrittenUrl="false" />
-        </rule>
-
         <rule name="Redirect buffer management guide https://www.dynamsoft.com/web-twain/docs/general-usage/image-processing/buffer-management.html" enabled="true" patternSyntax="ECMAScript">
           <match url="indepth/features/buffer.html" ignoreCase="true" negate="false" />
           <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
@@ -198,10 +144,34 @@
             <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/image-processing/image-editing.html" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
-        <rule name="Redirect general image processing guide https://www.dynamsoft.com/web-twain/docs/general-usage/image-processing/index.html" enabled="true" patternSyntax="ECMAScript">
-          <match url="indepth/features/edit.html" ignoreCase="true" negate="false" />
+        <rule name="Redirect extended usage guide https://www.dynamsoft.com/web-twain/docs/extended-usage/index.html" enabled="true" patternSyntax="ECMAScript">
+          <match url="indepth/features/" ignoreCase="true" negate="false" />
+          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
+            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/extended-usage/index.html" appendQueryString="false" logRewrittenUrl="false" />
+        </rule>
+
+        <rule name="Redirect general usage guide https://www.dynamsoft.com/web-twain/docs/general-usage/index.html" enabled="true" patternSyntax="ECMAScript">
+          <match url="getstarted/" ignoreCase="true" negate="false" />
+          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
+            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/index.html" appendQueryString="false" logRewrittenUrl="false" />
+        </rule>
+
+        <rule name="Redirect license key usage guide https://www.dynamsoft.com/web-twain/docs/general-usage/license.html" enabled="true" patternSyntax="ECMAScript">
+          <match url="about/license.html" ignoreCase="true" negate="false" />
+          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
+            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/license.html" appendQueryString="false" logRewrittenUrl="false" />
+        </rule>
+
+        <rule name="Redirect server deployment guide https://www.dynamsoft.com/web-twain/docs/general-usage/server-deployment.html" enabled="true" patternSyntax="ECMAScript">
+          <match url="indepth/deployment/server.html" ignoreCase="true" negate="false" />
           <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
-            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/image-processing/index.html" appendQueryString="false" logRewrittenUrl="false" />
+            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/server-deployment.html" appendQueryString="false" logRewrittenUrl="false" />
+        </rule>
+
+        <rule name="Redirect server-side scripting guide https://www.dynamsoft.com/web-twain/docs/general-usage/server-side-scripting.html" enabled="true" patternSyntax="ECMAScript">
+          <match url="indepth/development/Server-script.html" ignoreCase="true" negate="false" />
+          <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
+            <action type="Redirect" url="{HTTP_POST}/web-twain/docs/general-usage/server-side-scripting.html" appendQueryString="false" logRewrittenUrl="false" />
         </rule>
 
         <rule name="Redirect hello world editing guide https://www.dynamsoft.com/web-twain/docs/hello-world/editing.html" enabled="true" patternSyntax="ECMAScript">