diff --git a/modules/comment/comment.controller.php b/modules/comment/comment.controller.php
index 26b934827..b8fc647fe 100644
--- a/modules/comment/comment.controller.php
+++ b/modules/comment/comment.controller.php
@@ -159,11 +159,26 @@
 
                 $list_args->head = $parent->head;
                 $list_args->depth = $parent->depth+1;
-                if($list_args->depth<2) $list_args->arrange = $obj->comment_srl;
-                else {
-                    $list_args->arrange = $parent->arrange;
-                    $output = executeQuery('comment.updateCommentListArrange', $list_args);
-                    if(!$output->toBool()) return $output;
+
+                // depth가 2단계 미만이면 별도의 update문 없이 insert만으로 쓰레드 정리
+                if($list_args->depth<2) {
+                    $list_args->arrange = $obj->comment_srl;
+
+                // depth가 2단계 이상이면 반업데이트 실행
+                } else {
+                    // 부모 댓글과 같은 head를 가지고 depth가 같거나 작은 댓글중 제일 위 댓글을 구함
+                    $p_args->head = $parent->head;
+                    $p_args->arrange = $parent->arrange;
+                    $p_args->depth = $parent->depth;
+                    $output = executeQuery('comment.getCommentParentNextSibling', $p_args);
+
+                    if($output->data->arrange) {
+                        $list_args->arrange = $output->data->arrange;
+                        $output = executeQuery('comment.updateCommentListArrange', $list_args);
+                    } else {
+                        $list_args->arrange = $obj->comment_srl;
+                    }
+
                 }
             }
 
diff --git a/modules/comment/queries/getCommentListItem.xml b/modules/comment/queries/getCommentListItem.xml
index e964057c2..c46b514cc 100644
--- a/modules/comment/queries/getCommentListItem.xml
+++ b/modules/comment/queries/getCommentListItem.xml
@@ -1,11 +1,14 @@
 <query id="getCommentListItem" action="select">
     <tables>
+        <table name="comments" />
         <table name="comments_list" />
     </tables>
     <columns>
-        <column name="*" />
+        <column name="comments.parent_srl" />
+        <column name="comments_list.*" />
     </columns>
     <conditions>
-        <condition operation="equal" column="comment_srl" var="comment_srl" notnull="notnull" />
+        <condition operation="equal" column="comments.comment_srl" var="comment_srl" notnull="notnull" />
+        <condition operation="equal" column="comments.comment_srl" default="comments_list.comment_srl" notnull="notnull" pipe="and" />
     </conditions>
 </query>
diff --git a/modules/comment/queries/getCommentPageList.xml b/modules/comment/queries/getCommentPageList.xml
index de7020db8..496a4905e 100644
--- a/modules/comment/queries/getCommentPageList.xml
+++ b/modules/comment/queries/getCommentPageList.xml
@@ -5,16 +5,15 @@
     </tables>
     <columns>
         <column name="comments.*" />
-        <column name="depth" alias="depth" />
+        <column name="comments_list.depth" alias="depth" />
     </columns>
     <conditions>
         <condition operation="equal" column="comments_list.document_srl" var="document_srl" notnull="notnull" pipe="and" />
         <condition operation="equal" column="comments_list.comment_srl" var="comments.comment_srl" filter="number" pipe="and" />
+        <condition operation="more" column="comments_list.head" default="0" pipe="and" />
+        <condition operation="more" column="comments_list.arrange" default="0" pipe="and" />
     </conditions>
     <navigation>
-        <index var="sort_index" default="head" order="asc" />
-        <index var="sort_index" default="arrange" order="asc" />
-        <index var="sort_index" default="comment_srl" order="asc" />
         <list_count var="list_count" default="list_count" />
         <page_count var="page_count" default="10" />
         <page var="page" default="1" />
diff --git a/modules/comment/queries/getCommentParentNextSibling.xml b/modules/comment/queries/getCommentParentNextSibling.xml
new file mode 100644
index 000000000..5347bd7e5
--- /dev/null
+++ b/modules/comment/queries/getCommentParentNextSibling.xml
@@ -0,0 +1,13 @@
+<query id="getCommentParentNextSibling" action="select">
+    <tables>
+        <table name="comments_list" />
+    </tables>
+    <columns>
+        <column name="min(comments_list.arrange)" alias="arrange" />
+    </columns>
+    <conditions>
+        <condition operation="equal" column="comments_list.head" var="head" filter="number" notnull="notnull" />
+        <condition operation="excess" column="comments_list.arrange" var="arrange" filter="number" notnull="notnull" pipe="and" />
+        <condition operation="less" column="comments_list.depth" var="depth" filter="number" notnull="notnull" pipe="and" />
+    </conditions>
+</query>
diff --git a/modules/comment/queries/updateCommentListArrange.xml b/modules/comment/queries/updateCommentListArrange.xml
index 53d40f71a..0e5f0bdb6 100644
--- a/modules/comment/queries/updateCommentListArrange.xml
+++ b/modules/comment/queries/updateCommentListArrange.xml
@@ -8,6 +8,6 @@
 	<conditions>
 		<condition operation="equal" column="document_srl" var="document_srl" filter="number" notnull="notnull" />
 		<condition operation="equal" column="head" var="head" filter="number" notnull="notnull" pipe="and" />
-		<condition operation="excess" column="arrange" var="arrange" filter="number" notnull="notnull" pipe="and" />
+		<condition operation="more" column="arrange" var="arrange" filter="number" notnull="notnull" pipe="and" />
 	</conditions>
 </query>