diff --git a/modules/board/skins/xedition/_comment.html b/modules/board/skins/xedition/_comment.html
index 3830e0a11..fabb798c7 100644
--- a/modules/board/skins/xedition/_comment.html
+++ b/modules/board/skins/xedition/_comment.html
@@ -34,7 +34,10 @@
 				</ul>
 			</div>
 			<p class="action">
-				<span class="vote" cond="$comment->get('voted_count')!=0">{$lang->cmd_vote}:{$comment->get('voted_count')?$comment->get('voted_count'):0}</span>
+				<a cond="$comment->getVote() === false || $comment->getVote() < 0" href="#" onclick="doCallModuleAction('comment','procCommentVoteUp','{$comment->comment_srl}');return false;"|cond="$is_logged" class="voted"><i class="xi-thumbs-up"></i>{$lang->cmd_vote}{$comment->get('voted_count')}</a>
+				<a cond="$comment->getVote() > 0" href="#" onclick="doCallModuleAction('comment','procCommentVoteUpCancel','{$comment->comment_srl}');return false;"|cond="$is_logged" class="voted"><i class="xi-thumbs-up"></i>{$lang->cmd_vote}{$comment->get('voted_count')}</a>
+				<a cond="$comment->getVote() === false || $comment->getVote() > 0" href="#" onclick="doCallModuleAction('comment','procCommentVoteDown','{$comment->comment_srl}');return false;"|cond="$is_logged" class="voted"><i class="xi-thumbs-up"></i>{$lang->cmd_vote_down}{$comment->get('blamed_count')}</a>
+				<a cond="$comment->getVote() < 0" href="#" onclick="doCallModuleAction('comment','procCommentVoteDownCancel','{$comment->comment_srl}');return false;"|cond="$is_logged" class="voted"><i class="xi-thumbs-up"></i>{$lang->cmd_vote_down}{$comment->get('blamed_count')}</a>
 				<a cond="$oDocument->allowComment()" href="{getUrl('act','dispBoardReplyComment','comment_srl',$comment->comment_srl)}" class="reply"><i class="xi-reply"></i> {$lang->cmd_reply}</a>
 				<a cond="$comment->isGranted()||!$comment->get('member_srl')" href="{getUrl('act','dispBoardModifyComment','comment_srl',$comment->comment_srl)}" class="modify"><i class="xi-eraser"></i> {$lang->cmd_modify}</a>
 				<a cond="$comment->isGranted()||!$comment->get('member_srl')" href="{getUrl('act','dispBoardDeleteComment','comment_srl',$comment->comment_srl)}" class="delete"><i class="xi-trash"></i> {$lang->cmd_delete}</a>
diff --git a/modules/comment/comment.controller.php b/modules/comment/comment.controller.php
index 7204a8bf2..997f7c091 100644
--- a/modules/comment/comment.controller.php
+++ b/modules/comment/comment.controller.php
@@ -59,6 +59,29 @@ class commentController extends comment
 		return $output;
 	}
 
+	function procCommentVoteUpCancel()
+	{
+		if(!Context::get('logged_info')) return new Object(-1, 'msg_invalid_request');
+
+		$comment_srl = Context::get('target_srl');
+		if(!$comment_srl) return new Object(-1, 'msg_invalid_request');
+
+		$oCommentModel = getModel('comment');
+		$oComment = $oCommentModel->getComment($comment_srl, FALSE, FALSE);
+		if($oComment->get('voted_count') <= 0)
+		{
+			return new Object(-1, 'msg_comment_voted_cancel_not');
+		}
+		$point = 1;
+		$output = $this->updateVotedCountCancel($comment_srl, $oComment, $point);
+
+		$output = new Object();
+		$output->setMessage('success_voted_canceled');
+
+		return $output;
+	}
+
+
 	/**
 	 * Action to handle recommendation votes on comments (Down)
 	 * @return Object
@@ -97,6 +120,74 @@ class commentController extends comment
 		return $output;
 	}
 
+	function procCommentVoteDownCancel()
+	{
+		if(!Context::get('logged_info')) return new Object(-1, 'msg_invalid_request');
+
+		$comment_srl = Context::get('target_srl');
+		if(!$comment_srl) return new Object(-1, 'msg_invalid_request');
+
+		$oCommentModel = getModel('comment');
+		$oComment = $oCommentModel->getComment($comment_srl, FALSE, FALSE);
+		if($oComment->get('blamed_count') >= 0)
+		{
+			return new Object(-1, 'msg_comment_blamed_cancel_not');
+		}
+		$point = -1;
+		$output = $this->updateVotedCountCancel($comment_srl, $oComment, $point);
+
+		$output = new Object();
+		$output->setMessage('success_voted_canceled');
+
+		return $output;
+	}
+
+	function updateVotedCountCancel($comment_srl, $oComment, $point)
+	{
+		$logged_info = Context::get('logged_info');
+
+		$args = new stdClass();
+		$d_args = new stdClass();
+		$args->comment_srl = $d_args->comment_srl = $comment_srl;
+		$d_args->member_srl = $logged_info->member_srl;
+		if($point > 0)
+		{
+			$args->voted_count = $oComment->get('voted_count') - $point;
+			$output = executeQuery('comment.updateVotedCount', $args);
+		}
+		else
+		{
+			$args->blamed_count = $oComment->get('blamed_count') - $point;
+			$output = executeQuery('comment.updateBlamedCount', $args);
+		}
+		$d_output = executeQuery('comment.deleteCommentVotedLog', $d_args);
+		if(!$d_output->toBool()) return $d_output;
+
+		//session reset
+		$_SESSION['voted_comment'][$comment_srl] = false;
+
+		// begin transaction
+		$oDB = DB::getInstance();
+		$oDB->begin();
+
+		$obj = new stdClass();
+		$obj->member_srl = $oComment->get('member_srl');
+		$obj->module_srl = $oComment->get('module_srl');
+		$obj->comment_srl = $oComment->get('comment_srl');
+		$obj->update_target = ($point < 0) ? 'blamed_count' : 'voted_count';
+		$obj->point = $point;
+		$obj->before_point = ($point < 0) ? $oComment->get('blamed_count') : $oComment->get('voted_count');
+		$obj->after_point = ($point < 0) ? $args->blamed_count : $args->voted_count;
+		$obj->cancel = 1;
+		$trigger_output = ModuleHandler::triggerCall('comment.updateVotedCountCancel', 'after', $obj);
+		if(!$trigger_output->toBool())
+		{
+			$oDB->rollback();
+			return $trigger_output;
+		}
+		return $output;
+	}
+
 	/**
 	 * Action to be called when a comment posting is reported
 	 * @return void|Object
@@ -1163,11 +1254,14 @@ class commentController extends comment
 		// update the number of votes
 		if($point < 0)
 		{
+			// leave into session information
+			$_SESSION['voted_comment'][$comment_srl] = $point;
 			$args->blamed_count = $oComment->get('blamed_count') + $point;
 			$output = executeQuery('comment.updateBlamedCount', $args);
 		}
 		else
 		{
+			$_SESSION['voted_comment'][$comment_srl] = $point;
 			$args->voted_count = $oComment->get('voted_count') + $point;
 			$output = executeQuery('comment.updateVotedCount', $args);
 		}
@@ -1193,9 +1287,6 @@ class commentController extends comment
 
 		$oDB->commit();
 
-		// leave into session information
-		$_SESSION['voted_comment'][$comment_srl] = TRUE;
-
 		// Return the result
 		$output = new Object(0, $success_message);
 		if($point > 0)
diff --git a/modules/comment/comment.item.php b/modules/comment/comment.item.php
index ea4076962..397645051 100644
--- a/modules/comment/comment.item.php
+++ b/modules/comment/comment.item.php
@@ -281,6 +281,29 @@ class commentItem extends Object
 		return htmlspecialchars($this->get('nick_name'), ENT_COMPAT | ENT_HTML401, 'UTF-8', false);
 	}
 
+	function getVote()
+	{
+		if(!$this->comment_srl) return false;
+		if($_SESSION['voted_comment'][$this->comment_srl])
+		{
+			return $_SESSION['voted_comment'][$this->comment_srl];
+		}
+
+		$logged_info = Context::get('logged_info');
+
+		$args = new stdClass();
+		$args->member_srl = $logged_info->member_srl;
+		$args->comment_srl = $this->comment_srl;
+		$output = executeQuery('comment.getCommentVotedLog', $args);
+
+		if($output->data->point)
+		{
+			return $output->data->point;
+		}
+
+		return false;
+	}
+
 	/**
 	 * Return content with htmlspecialchars
 	 * @return string
diff --git a/modules/comment/conf/module.xml b/modules/comment/conf/module.xml
index 960344c37..d13854c26 100644
--- a/modules/comment/conf/module.xml
+++ b/modules/comment/conf/module.xml
@@ -23,6 +23,8 @@
 		<action name="procCommentAdminAddCart" type="controller" />
 		<action name="procCommentGetList" type="controller" />
 		<action name="procCommentAdminMoveToTrash" type="controller" />
+		<action name="procCommentVoteUpCancel" type="controller" />
+		<action name="procCommentVoteDownCancel" type="controller" />
 	</actions>
 	<menus>
 		<menu name="comment">
diff --git a/modules/comment/lang/lang.xml b/modules/comment/lang/lang.xml
index 4c3f44e6f..ed45f3151 100644
--- a/modules/comment/lang/lang.xml
+++ b/modules/comment/lang/lang.xml
@@ -81,6 +81,12 @@
 		<value xml:lang="tr"><![CDATA[Yorumları, kullanıcının girdiği rakam kadar gösterin. Eğer yorum sayısı belirlenen sayıyı aşarsa, yorum Liste'ye taşınır.]]></value>
 		<value xml:lang="vi"><![CDATA[Hiển thị số bình luận được gửi, và nó sẽ tạo một danh sách nếu có nhiều bình luận.]]></value>
 	</item>
+	<item name="msg_comment_voted_cancel_not">
+		<value xml:lang="ko"><![CDATA[추천수가 0이하일 경우 추천캔슬을 사용할 수 없습니다.]]></value>
+	</item>
+	<item name="msg_comment_blamed_cancel_not">
+		<value xml:lang="ko"><![CDATA[추천수가 0이하일 경우 비추천캔슬을 사용할 수 없습니다.]]></value>
+	</item>
 	<item name="msg_cart_is_null">
 		<value xml:lang="ko"><![CDATA[삭제할 글을 선택해주세요.]]></value>
 		<value xml:lang="en"><![CDATA[Please select an article to delete.]]></value>
diff --git a/modules/comment/queries/deleteCommentVotedLog.xml b/modules/comment/queries/deleteCommentVotedLog.xml
index 06ac9b320..5b3c64b85 100644
--- a/modules/comment/queries/deleteCommentVotedLog.xml
+++ b/modules/comment/queries/deleteCommentVotedLog.xml
@@ -4,5 +4,6 @@
     </tables>
     <conditions>
         <condition operation="in" column="comment_srl" var="comment_srl" filter="number" notnull="notnull" />
+        <condition operation="equal" column="member_srl" var="member_srl" filter="number" pipe="and" />
     </conditions>
 </query>
diff --git a/modules/comment/queries/getCommentVotedLog.xml b/modules/comment/queries/getCommentVotedLog.xml
new file mode 100644
index 000000000..3468f0741
--- /dev/null
+++ b/modules/comment/queries/getCommentVotedLog.xml
@@ -0,0 +1,15 @@
+<query id="getCommentVotedLog" action="select">
+	<tables>
+		<table name="comment_voted_log" />
+	</tables>
+	<columns>
+		<column name="*" />
+	</columns>
+	<conditions>
+		<condition operation="equal" column="comment_srl" var="comment_srl" filter="number" notnull="notnull" />
+		<group pipe="and">
+			<condition operation="equal" column="member_srl" var="member_srl" filter="number" pipe="and" />
+			<condition operation="equal" column="ipaddress" var="ipaddress" pipe="and" />
+		</group>
+	</conditions>
+</query>
diff --git a/modules/document/document.controller.php b/modules/document/document.controller.php
index 3c9a81cae..2a8c8e55e 100644
--- a/modules/document/document.controller.php
+++ b/modules/document/document.controller.php
@@ -162,6 +162,10 @@ class documentController extends document
 		//session reset
 		$_SESSION['voted_document'][$document_srl] = false;
 
+		// begin transaction
+		$oDB = DB::getInstance();
+		$oDB->begin();
+
 		$obj = new stdClass();
 		$obj->member_srl = $oDocument->get('member_srl');
 		$obj->module_srl = $oDocument->get('module_srl');
diff --git a/modules/document/document.item.php b/modules/document/document.item.php
index f78475e84..94bd205b1 100644
--- a/modules/document/document.item.php
+++ b/modules/document/document.item.php
@@ -371,7 +371,7 @@ class documentItem extends Object
 
 	function getVoted()
 	{
-		if(!$this->document_srl) return;
+		if(!$this->document_srl) return false;
 		if($_SESSION['voted_document'][$this->document_srl])
 		{
 			return $_SESSION['voted_document'][$this->document_srl];