diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index d66ac80..cfbe9c4 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -5,7 +5,11 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="3c7078e7-6f30-4d92-9696-11496f9e6dff" name="Changes" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/PublicProperty.js" beforeDir="false" afterPath="$PROJECT_DIR$/PublicProperty.js" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/api/click.js" beforeDir="false" afterPath="$PROJECT_DIR$/api/click.js" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/tools/PathBench.js" beforeDir="false" afterPath="$PROJECT_DIR$/tools/PathBench.js" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/tools/ShortestPath.js" beforeDir="false" afterPath="$PROJECT_DIR$/tools/ShortestPath.js" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -88,7 +92,7 @@
       <workItem from="1702448962541" duration="5620000" />
       <workItem from="1703419885970" duration="13073000" />
       <workItem from="1703582457934" duration="210000" />
-      <workItem from="1703642799206" duration="16158000" />
+      <workItem from="1703642799206" duration="20649000" />
     </task>
     <servers />
   </component>
diff --git a/PublicProperty.js b/PublicProperty.js
index 0b0bceb..5d5b69d 100644
--- a/PublicProperty.js
+++ b/PublicProperty.js
@@ -1,9 +1,9 @@
 // no dependencies
 
 export const __DEBUG__ = 1;
-export const __APP_VERSION__ = 'v0.1.4a';
+export const __APP_VERSION__ = 'v0.2.0a';
 
 export const __APP_INTRO__ = `
-<b>Right way to follow.</b><br>
-In this update you can find a shortest route for any given start and destination.<br>
+<b>Algorithm improvement.</b><br>
+We are introducing a new pre-processing method called Obvious in this version.<br>
 `;
\ No newline at end of file