Merge pull request #923 from dynamsoft-docs/preview

update to internal commit a307e8ce

Author: Ellie-dynamsoft

_articles/extended-usage/dynamsoft-service-configuration.md

@@ -55,6 +55,12 @@ The service is installed in the following folders on different platforms by defa
 - Linux: 
   - version 19.0 and later:  `/opt/dynamsoft/Dynamic Web TWAIN Service {versionnumber}`
   - version 18.5.1 and earlier: `/opt/dynamsoft/DynamsoftService`
+  
+There are some files and folders you may pay attention to:
+
+* `log`: the folder where the logs are kept.
+* `DSConfiguration.ini`: the service's configuration file.
+* `storage`: the folder used by [`createLocalStorage()`](/_articles/info/api/WebTwain_IO.md#createlocalstorage).
 
 ## IP and ports
 

_articles/hello-world/scan-settings.md

@@ -124,7 +124,7 @@ Links to API Reference:
 
 ### Open the Application in Your Browser
 
-![HelloWorld-Scan-1](/assets/imgs\HelloWorldScanSetting1.png)
+![HelloWorld-Scan-1](/assets/imgs/HelloWorldScanSetting1.png)
 
 ### Press the Scan button
 
@@ -134,7 +134,7 @@ The scan should proceed directly after the button press, without displaying the
 
 You should receive a grayscale image at 150 ppi:
 
-![HelloWorld-Scan-2](/assets/imgs\HelloWorldScanSetting2.png)
+![HelloWorld-Scan-2](/assets/imgs/HelloWorldScanSetting2.png)
 
 # Previous Articles
 

_articles/info/schedule/Stable.md

@@ -439,8 +439,6 @@ In 18.0+, if you call Dynamsoft.DWT.GetWebTwain against a non-existent Container
     - Building your custom workflow to trigger actions in your desired sequence is made easy.
     - Interface elements in the viewer/editor are now customizable. You can easily add/remove icons or change their style.
 
-See the <a href="https://demo.dynamsoft.com/web-twain/mobile-online-camera-scanner/" target="_blank">**live demo**</a>.
-
 #### Buffer
 - Added new method [RenameDocument](/_articles/info/api/WebTwain_Buffer.md#renamedocument){:target="_blank"}.
 -	Renamed methods