升级Tomcat版本 apache-tomcat-7.0.77
diff --git a/tomcat-uidm/webapps/docs/appdev/sample/index.html b/tomcat-uidm/webapps/docs/appdev/sample/index.html
index 87e3a61..a3db667 100644
--- a/tomcat-uidm/webapps/docs/appdev/sample/index.html
+++ b/tomcat-uidm/webapps/docs/appdev/sample/index.html
@@ -21,26 +21,26 @@
 </head>
 <body>
 <h2>Sample Application</h2>
-      <p> 
-        The example app has been packaged as a war file and can be downloaded 
-        <a href="sample.war">here</a> (Note: make sure your browser doesn't 
+      <p>
+        The example app has been packaged as a war file and can be downloaded
+        <a href="sample.war">here</a> (Note: make sure your browser doesn't
         change file extension or append a new one).
       </p>
-      <p> 
-        The easiest way to run this application is simply to move the war file 
-        to your <b>CATALINA_HOME/webapps</b> directory. Tomcat will automatically 
-        expand and deploy the application for you. You can view it with the 
-        following URL (assuming that you're running tomcat on port 8080 
+      <p>
+        The easiest way to run this application is simply to move the war file
+        to your <b>CATALINA_HOME/webapps</b> directory. Tomcat will automatically
+        expand and deploy the application for you. You can view it with the
+        following URL (assuming that you're running tomcat on port 8080
         as is the default):
         <br />
         <a href="http://localhost:8080/sample">http://localhost:8080/sample</a>
       </p>
       <p>
-        If you just want to browse the contents, you can unpack the war file 
+        If you just want to browse the contents, you can unpack the war file
         with the <b>jar</b> command.
-        <source>
-          jar -xvf sample.war
-        </source>
       </p>
+      <pre>
+        jar -xvf sample.war
+      </pre>
 </body>
 </html>
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