Index: ssts-web/src/main/webapp/knowledge/viewExt.jsp
===================================================================
diff -u -r29542 -r30583
--- ssts-web/src/main/webapp/knowledge/viewExt.jsp	(.../viewExt.jsp)	(revision 29542)
+++ ssts-web/src/main/webapp/knowledge/viewExt.jsp	(.../viewExt.jsp)	(revision 30583)
@@ -12,9 +12,9 @@
 </style>
 <script type="text/javascript">
     var moduleId = '${param.moduleId}';
-    var columnsJson = <s:property value="columnsJson" escape="false"/>;
-    var moduleName = '<s:property value="moduleName" escape="false"/>';
-    var haveRootNodeManager = <s:property value="haveRootNodeManager" escape="false"/>;
+    var columnsJson = <s:property value="columnsJson" escapeHtml="false"/>;
+    var moduleName = '<s:property value="moduleName" escapeHtml="false"/>';
+    var haveRootNodeManager = <s:property value="haveRootNodeManager" escapeHtml="false"/>;
     var folderIdPrefix = "<%=com.forgon.networkdisk.vo.FolderAndFileVO.FOLDER_ID_PREFIX%>";
     var fileIdPrefix = "<%=com.forgon.networkdisk.vo.FolderAndFileVO.FILE_ID_PREFIX%>";
 </script>
Index: ssts-web/src/main/resources/struts.xml
===================================================================
diff -u -r12341 -r30583
--- ssts-web/src/main/resources/struts.xml	(.../struts.xml)	(revision 12341)
+++ ssts-web/src/main/resources/struts.xml	(.../struts.xml)	(revision 30583)
@@ -1,9 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE struts PUBLIC
-    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
-    "http://struts.apache.org/dtds/struts-2.0.dtd">
+    "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
+    "http://struts.apache.org/dtds/struts-2.5.dtd">
 
 <struts>
+	<constant name="struts.enable.DynamicMethodInvocation" value="true"/>
+	<constant name="struts.enable.SlashesInActionNames" value="true"/>
+	<constant name="struts.action.extension" value="do" />						
     <package name="default" extends="struts-default">
         <default-interceptor-ref name="paramsPrepareParamsStack" />
         <!--
@@ -14,10 +17,10 @@
             </interceptor-stack>
         </interceptors>
         -->
-
+		<global-allowed-methods>regex:.*</global-allowed-methods>
     </package>
     <constant name="struts.convention.action.includeJars" value=".*?/ssts-*.*?jar(!/)?,.*?/forgon-*.*?jar(!/)?"></constant>
-    <constant name="struts.enable.DynamicMethodInvocation" value="true"/>
+    <!-- <constant name="struts.enable.DynamicMethodInvocation" value="true"/> -->
     
     <include file="strtus_oa.xml"/>
     <!-- Add packages here -->
Index: ssts-web/src/main/webapp/WEB-INF/web-xml-standard/web.xml
===================================================================
diff -u -r29871 -r30583
--- ssts-web/src/main/webapp/WEB-INF/web-xml-standard/web.xml	(.../web.xml)	(revision 29871)
+++ ssts-web/src/main/webapp/WEB-INF/web-xml-standard/web.xml	(.../web.xml)	(revision 30583)
@@ -70,7 +70,7 @@
     
     <filter>
         <filter-name>struts2</filter-name>
-        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
+        <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
     </filter>
     
      <filter>
Index: build.gradle
===================================================================
diff -u -r30452 -r30583
--- build.gradle	(.../build.gradle)	(revision 30452)
+++ build.gradle	(.../build.gradle)	(revision 30583)
@@ -214,7 +214,7 @@
 	ext.springVersion = '4.2.4.RELEASE'
 	ext.springSecurityVersion = '3.2.9.RELEASE'
 	ext.hibernateVersion = '4.3.11.Final'
-	ext.struts2Version = '2.3.24.1'
+	ext.struts2Version = '2.5.26'
 	ext.cxfVersion = '3.1.5'
 	ext.encoding = 'UTF-8'
 	ext.webInfDir = "../ssts-web/src/main/webapp/WEB-INF"
@@ -325,16 +325,17 @@
 	    compile group: 'org.apache.struts', name: 'struts2-spring-plugin', version:struts2Version
 	    compile group: 'org.apache.struts', name: 'struts2-convention-plugin', version:struts2Version
 	    compile group: 'org.apache.struts', name: 'struts2-jasperreports-plugin', version:struts2Version
-	    compile group: 'org.apache.struts', name: 'struts2-java8-support-plugin', version:struts2Version
+	    compile group: 'org.apache.struts', name: 'struts2-java8-support-plugin', version:'2.5.2'
+	    compile "ognl:ognl:3.1.28"
 	    
 	    compile 'org.freemarker:freemarker:2.3.23'
 	    
-	    compile 'org.ow2.asm:asm:5.0.4'
-	    compile 'org.ow2.asm:asm-tree:5.0.4'
+	    compile 'org.ow2.asm:asm:7.3.1'
+	    compile 'org.ow2.asm:asm-tree:7.3.1'
 	    compile 'org.ow2.asm:asm-util:5.0.4'
 	    compile 'org.ow2.asm:asm-all:5.0.4'
 	    
-	    compile group: 'org.apache.struts.xwork', name: 'xwork-core', version:'2.3.24.1'
+	    //compile group: 'org.apache.struts.xwork', name: 'xwork-core', version:'2.3.24.1'
 
 	    compile group: 'org.aspectj', name: 'aspectjrt', version:'1.8.8'
 	    compile group: 'org.aspectj', name: 'aspectjtools', version:'1.8.8'
@@ -407,17 +408,17 @@
 	
 		compile group: 'commons-lang', name: 'commons-lang', version:'2.5'
 	
-		compile group: 'org.apache.commons', name: 'commons-lang3', version:'3.1'
+		compile group: 'org.apache.commons', name: 'commons-lang3', version:'3.8.1'
 		compile group: 'org.apache.commons', name: 'commons-collections4', version:'4.0'
 		compile 'org.apache.commons:commons-compress:1.10'
 		
 		compile 'com.opencsv:opencsv:3.5'
 		
-		compile group: 'commons-collections', name: 'commons-collections', version:'2.1.1'
+		//compile group: 'commons-collections', name: 'commons-collections', version:'2.1.1'
 		compile group: 'commons-collections', name: 'commons-collections', version:'3.2.2'
 		
-		compile group: 'commons-io', name: 'commons-io', version:'2.4'
-		compile group: 'commons-fileupload', name: 'commons-fileupload', version:'1.2.2'
+		compile group: 'commons-io', name: 'commons-io', version:'2.6'
+		compile group: 'commons-fileupload', name: 'commons-fileupload', version:'1.4'
 		compile group: 'commons-beanutils', name: 'commons-beanutils', version:'1.9.3'
 		compile group: 'commons-digester', name: 'commons-digester', version:'1.8'
 	    compile group: 'commons-logging', name: 'commons-logging', version:'1.0.2'
@@ -449,7 +450,7 @@
 		
 	    
 	    compile 'org.apache.logging.log4j:log4j-core:2.5'
-	    compile 'org.apache.logging.log4j:log4j-api:2.5'
+	    compile 'org.apache.logging.log4j:log4j-api:2.12.1'
 	    //compile 'org.apache.logging.log4j:log4j-jcl:2.5'
 	    //compile 'org.apache.logging.log4j:log4j-slf4j-impl:2.5'
 	    
@@ -566,6 +567,8 @@
 		compile group: 'org.hibernate', name: 'hibernate-validator', version: '5.2.4.Final'
 		compile group: 'com.fasterxml', name: 'classmate', version: '1.1.0'
 		compile group: 'com.itextpdf', name: 'itextpdf', version: '5.4.1'
+		
+		//compile 'org.java-websocket:Java-WebSocket:1.5.1'
 
 	}