diff --git a/module/kanban/control.php b/module/kanban/control.php
index 0fbe9aa3b8..2e5c19f9ab 100644
--- a/module/kanban/control.php
+++ b/module/kanban/control.php
@@ -597,6 +597,9 @@ class kanban extends control
         }
         else
         {
+            $column = $this->kanban->getColumnById($columnID);
+            if($column->parent) $this->kanban->processCards($column);
+
             $this->kanban->archiveColumn($columnID);
             if(dao::isError()) die(js::error(dao::getError()));
 
@@ -678,9 +681,9 @@ class kanban extends control
         else
         {
             $column = $this->kanban->getColumnById($columnID);
-            $this->kanban->delete(TABLE_KANBANCOLUMN, $columnID);
+            if($column->parent) $this->kanban->processCards($column);
 
-            if($column->parent) $this->kanban->processParentColumn($column);
+            $this->dao->delete()->from(TABLE_KANBANCOLUMN)->where('id')->eq($columnID)->exec();
 
             die(js::reload('parent'));
         }
diff --git a/module/kanban/js/view.js b/module/kanban/js/view.js
index ca041f600f..3960a23e13 100644
--- a/module/kanban/js/view.js
+++ b/module/kanban/js/view.js
@@ -819,8 +819,8 @@ function createColumnMenu(options)
         items.push({label: kanbanLang.createColumnOnRight, icon: 'col-add-right', url: createLink('kanban', 'createColumn', 'columnID=' + column.id + '&position=right'), className: 'iframe', attrs: {'data-toggle': 'modal'}});
     }
     if(privs.includes('copyColumn')) items.push({label: kanbanLang.copyColumn, icon: 'copy', url: createLink('kanban', 'copyColumn', 'columnID=' + column.id), className: 'iframe', attrs: {'data-toggle': 'modal'}});
-    if(privs.includes('archiveColumn') && kanban.archived == '1' && column.$kanbanData.columns.length > 1) items.push({label: kanbanLang.archiveColumn, icon: 'card-archive', url: createLink('kanban', 'archiveColumn', 'columnID=' + column.id), attrs: {'target': 'hiddenwin'}});
-    if(privs.includes('deleteColumn') && column.$kanbanData.columns.length > 1) items.push({label: kanbanLang.deleteColumn, icon: 'trash', url: createLink('kanban', 'deleteColumn', 'columnID=' + column.id), attrs: {'target': 'hiddenwin'}});
+    if(privs.includes('archiveColumn') && kanban.archived == '1') items.push({label: kanbanLang.archiveColumn, icon: 'card-archive', url: createLink('kanban', 'archiveColumn', 'columnID=' + column.id), attrs: {'target': 'hiddenwin'}});
+    if(privs.includes('deleteColumn')) items.push({label: kanbanLang.deleteColumn, icon: 'trash', url: createLink('kanban', 'deleteColumn', 'columnID=' + column.id), attrs: {'target': 'hiddenwin'}});
 
     var bounds = options.$trigger[0].getBoundingClientRect();
     items.$options = {x: bounds.right, y: bounds.top};
@@ -844,7 +844,7 @@ function createColumnCreateMenu(options)
     var laneID   = col.$kanbanData.lanes[0].id ? col.$kanbanData.lanes[0].id : 0;
     var columnID = col.id;
 
-    if(privs.includes('createCard')) items.push({label: kanbanLang.createCard, url: $.createLink('kanban', 'createCard', 'kanbanID=' + kanbanID + '&regionID=' + regionID + '&groupID=' + groupID + '&laneID=' + laneID + '&columnID=' + columnID), className: 'iframe', attrs: {'data-toggle': 'modal', 'data-width': '80%'}});
+    if(privs.includes('createCard')) items.push({label: kanbanLang.createCard, url: $.createLink('kanban', 'createCard', 'kanbanID=' + kanbanID + '&regionID=' + regionID + '&groupID=' + groupID + '&columnID=' + columnID), className: 'iframe', attrs: {'data-toggle': 'modal', 'data-width': '80%'}});
     if(privs.includes('batchCreateCard')) items.push({label: kanbanLang.batchCreateCard, url: $.createLink('kanban', 'batchCreateCard', 'kanbanID=' + kanbanID + '&regionID=' + regionID + '&groupID=' + groupID + '&laneID=' + laneID + '&columnID=' + columnID), attrs: {'data-width': '80%'}});
     return items;
 }
diff --git a/module/kanban/lang/zh-cn.php b/module/kanban/lang/zh-cn.php
index 4e33e6404e..45563d972d 100644
--- a/module/kanban/lang/zh-cn.php
+++ b/module/kanban/lang/zh-cn.php
@@ -260,9 +260,9 @@ $lang->kanbancolumn->childName  = '子列名称';
 $lang->kanbancolumn->childColor = '子状态颜色';
 $lang->kanbancolumn->empty      = '暂时没有看板列';
 
-$lang->kanbancolumn->confirmArchive = '您确认归档该列吗？归档列后，该列和列中所有卡片将被隐藏，您可以在区域-已归档中查看已归档的列。';
-$lang->kanbancolumn->confirmDelete  = '您确认删除该列吗？删除列后，该列中所有卡片也会被删除。';
-$lang->kanbancolumn->confirmRestore = '您确定要还原该看板列吗？还原看板列后，该看板列和看板列中所有的任务将同时还原到之前的位置。';
+$lang->kanbancolumn->confirmArchive = '您确认归档该列吗？归档列后，该列将被隐藏，列中所有卡片移动到兄弟列或父列，您可以在区域-已归档中查看已归档的列。';
+$lang->kanbancolumn->confirmDelete  = '您确认删除该列吗？删除列后，该列中所有卡片会被移动到兄弟列或父列。';
+$lang->kanbancolumn->confirmRestore = '您确定要还原该看板列吗？还原后，该看板列将回到之前的位置。';
 
 $lang->kanbanlane = new stdclass();
 $lang->kanbanlane->name      = $lang->kanban->laneName;
diff --git a/module/kanban/model.php b/module/kanban/model.php
index 02a267fadf..a473ee6ac2 100644
--- a/module/kanban/model.php
+++ b/module/kanban/model.php
@@ -2789,6 +2789,39 @@ class kanbanModel extends model
      */
     public function restoreColumn($columnID)
     {
+        $column = $this->getColumnByID($columnID);
+
+        if($column->parent)
+        {
+            $parent = $this->getColumnByID($column->parent);
+
+            /* If the parent column is normal now, put its card into child column. */
+            if($parent->parent != -1)
+            {
+                $parentCells = $this->dao->select('*')->from(TABLE_KANBANCELL)
+                    ->where('`column`')->eq($column->parent)
+                    ->andWhere('type')->eq('common')
+                    ->fetchAll('id');
+
+                foreach($parentCells as $cell)
+                {
+                    $this->dao->update(TABLE_KANBANCELL)->set('cards')->eq($cell->cards)
+                        ->where('lane')->eq($cell->lane)
+                        ->andWhere('`column`')->eq($columnID)
+                        ->andWhere('type')->eq('common')
+                        ->exec();
+
+                    $this->dao->update(TABLE_KANBANCELL)->set('cards')->eq('')
+                        ->where('lane')->eq($cell->lane)
+                        ->andWhere('`column`')->eq($cell->column)
+                        ->andWhere('type')->eq('common')
+                        ->exec();
+                }
+
+                $this->dao->update(TABLE_KANBANCOLUMN)->set('parent')->eq(-1)->where('id')->eq($column->parent)->exec();
+            }
+        }
+
         $this->dao->update(TABLE_KANBANCOLUMN)
             ->set('archived')->eq(0)
             ->where('id')->eq($columnID)
@@ -2841,22 +2874,50 @@ class kanbanModel extends model
         if(!dao::isError()) return common::createChanges($oldCard, $card);
     }
 
-    public function processParentColumn($column)
+    /**
+     * Process cards when delete a column. 
+     * 
+     * @param  object $column 
+     * @access public
+     * @return void
+     */
+    public function processCards($column)
     {
         $firstColumnID = $this->dao->select('id')->from(TABLE_KANBANCOLUMN)
             ->where('parent')->eq($column->parent)
+            ->andWhere('id')->ne($column->id)
             ->andWhere('deleted')->eq('0')
             ->andWhere('archived')->eq('0')
+            ->orderBy('`order` asc')
             ->fetch('id');
 
-        $extendID = $firstColumnID ? $firstColumnID : $column->parent;
+        $extendID = $firstColumnID;
+        if(!$firstColumnID)
+        {
+            $extendID = $column->parent;
+            $this->dao->update(TABLE_KANBANCOLUMN)->set('parent')->eq(0)->where('id')->eq($column->parent)->exec();
+        }
 
         $cells = $this->dao->select('*')->from(TABLE_KANBANCELL)
             ->where('`column`')->eq($column->id)
+            ->andWhere('type')->eq('common')
             ->fetchAll('id');
 
         foreach($cells as $cell)
         {
+            $extendCards = $this->dao->select('cards')->from(TABLE_KANBANCELL)
+                ->where('lane')->eq($cell->lane)
+                ->andWhere('`column`')->eq($extendID)
+                ->andWhere('type')->eq('common')
+                ->fetch('cards');
+
+            $extendCards = $extendCards ? $extendCards . ltrim($cell->cards, ',') : $cell->cards;
+
+            $this->dao->update(TABLE_KANBANCELL)->set('cards')->eq($extendCards)
+                ->where('lane')->eq($cell->lane)
+                ->andWhere('`column`')->eq($extendID)
+                ->andWhere('type')->eq('common')
+                ->exec();
         }
     }
 
@@ -3165,18 +3226,6 @@ class kanbanModel extends model
             case 'deletecolumn' :
                 if($object->deleted != '0') return false;
 
-                if($object->parent > 0)
-                {
-                    $childrenCount = $this->dao->select('COUNT(id) AS count')->from(TABLE_KANBANCOLUMN)
-                        ->where('parent')->eq($object->parent)
-                        ->andWhere('deleted')->eq('0')
-                        ->andWhere('archived')->eq('0')
-                        ->fetch('count');
-
-                    return $childrenCount > 2;
-                }
-
-
                 $count = $this->dao->select('COUNT(id) AS count')->from(TABLE_KANBANCOLUMN)
                     ->where('region')->eq($object->region)
                     ->andWhere('parent')->in('0,-1')