diff --git a/src/main/scala/app/RepositoryViewerController.scala b/src/main/scala/app/RepositoryViewerController.scala
index f6b45f0..757d706 100644
--- a/src/main/scala/app/RepositoryViewerController.scala
+++ b/src/main/scala/app/RepositoryViewerController.scala
@@ -114,7 +114,7 @@
     val branchName = params("branch")
     val page       = params.getOrElse("page", "1").toInt
     
-    val (logs, hasNext) = JGitUtil.getCommitLog(Git.open(getRepositoryDir(owner, repository)), branchName, page)
+    val (logs, hasNext) = JGitUtil.getCommitLog(Git.open(getRepositoryDir(owner, repository)), branchName, page, 30)
     
     html.commits(branchName, JGitUtil.getRepositoryInfo(owner, repository, servletContext), 
       logs.splitWith{ (commit1, commit2) =>
diff --git a/src/main/scala/app/WikiController.scala b/src/main/scala/app/WikiController.scala
index 29de8c5..5cbd452 100644
--- a/src/main/scala/app/WikiController.scala
+++ b/src/main/scala/app/WikiController.scala
@@ -75,7 +75,7 @@
     val repository = params("repository")
     
     // TODO retrieve all commit logs.
-    html.wikihistory(JGitUtil.getCommitLog(Git.open(WikiUtil.getWikiRepositoryDir(owner, repository)), "master", 100)._1, 
+    html.wikihistory(JGitUtil.getCommitLog(Git.open(WikiUtil.getWikiRepositoryDir(owner, repository)), "master")._1, 
         JGitUtil.getRepositoryInfo(owner, repository, servletContext))
   }
 }
\ No newline at end of file
diff --git a/src/main/scala/util/JGitUtil.scala b/src/main/scala/util/JGitUtil.scala
index 6cdca44..76e5f85 100644
--- a/src/main/scala/util/JGitUtil.scala
+++ b/src/main/scala/util/JGitUtil.scala
@@ -94,13 +94,17 @@
    * @param git the Git object
    * @param revision the branch name or commit id
    * @param page the page number (1-)
+   * @param limit the number of commit info per page. 0 means unlimited.
    * @return a tuple of the commit list and whether has next
    */
-  def getCommitLog(git: Git, revision: String, page: Int): (List[CommitInfo], Boolean) = {
+  def getCommitLog(git: Git, revision: String, page: Int = 1, limit: Int = 0): (List[CommitInfo], Boolean) = {
+    val fixedPage = if(page <= 0) 1 else page
+    
     @scala.annotation.tailrec
     def getCommitLog(i: java.util.Iterator[RevCommit], count: Int, logs: List[CommitInfo]): (List[CommitInfo], Boolean)  =
       i.hasNext match {
-        case true if(logs.size < 30) => getCommitLog(i, count + 1, if((page - 1) * 30 < count) logs :+ new CommitInfo(i.next) else logs)
+        case true if(limit <= 0 || logs.size < limit) => 
+          getCommitLog(i, count + 1, if(limit <= 0 || (fixedPage - 1) * limit < count) logs :+ new CommitInfo(i.next) else logs)
         case _ => (logs, i.hasNext)
       }
     
diff --git a/src/main/twirl/wikihistory.scala.html b/src/main/twirl/wikihistory.scala.html
index 92c75a4..b9aa52b 100644
--- a/src/main/twirl/wikihistory.scala.html
+++ b/src/main/twirl/wikihistory.scala.html
@@ -14,7 +14,6 @@
       </div>
     </li>
   </ul>
-  <input type="button" value="Compare Revisions" class="btn"/>
   <table class="table table-bordered">
     @commits.map { commit =>
       <tr>