diff --git a/module/block/js/dashboard.js b/module/block/js/dashboard.js
index 71cfd9d810..6ed71c87a7 100644
--- a/module/block/js/dashboard.js
+++ b/module/block/js/dashboard.js
@@ -235,11 +235,31 @@ $(function()
     });
 
     // Init dashboard
+    var sortMessager = new $.zui.Messager({close: false});
     $('#dashboard').sortable(
     {
         selector: '.panel',
         trigger: '.panel-heading:not(.not-move-handler),.panel-move-handler',
         containerSelector: '.col-main,.col-side',
+        canMoveHere: function($ele, $target)
+        {
+            var fixedCol = $ele.data('fixed');
+            if(fixedCol)
+            {
+                var $targetCol = $target.closest('.col-main,.col-side');
+                var targetCol = $targetCol.hasClass('col-main') ? 'main' : 'side';
+                if(targetCol !== fixedCol)
+                {
+                    !sortMessager.isShow && sortMessager.show(fixedCol === 'main' ? config.cannotPlaceInLeft : config.cannotPlaceInRight);
+                    return false;
+                }
+                else
+                {
+                    sortMessager.isShow && sortMessager.hide();
+                }
+                return true;
+            }
+        },
         start: function()
         {
             $('body').css('overflow', 'hidden');
@@ -259,7 +279,8 @@ $(function()
             });
 
             e.element.toggleClass('block-sm', isSideCol);
-        }
+        },
+        always: function(){sortMessager.isShow && sortMessager.hide();}
     }).on('click', '.refresh-panel', function()
     {
         refreshBlock($(this).closest('.panel'));
diff --git a/module/block/lang/de.php b/module/block/lang/de.php
index 7992ff1b06..24cc122e5b 100644
--- a/module/block/lang/de.php
+++ b/module/block/lang/de.php
@@ -93,6 +93,8 @@ $lang->block->refresh            = 'Aktualisieren';
 $lang->block->nbsp               = '';
 $lang->block->hidden             = 'Verstecken';
 $lang->block->dynamicInfo        = "<span class='timeline-tag'>%s</span> <span class='timeline-text'>%s <em>%s</em> %s <a href='%s'>%s</a></span>";
+$lang->block->cannotPlaceInLeft  = 'Kann den Block nicht auf der linken Seite platzieren.';
+$lang->block->cannotPlaceInRight = 'Kann den Block nicht auf der rechten Seite platzieren.';
 
 $lang->block->productName  = $lang->productCommon . ' Name';
 $lang->block->totalStory   = 'The Total ' . $lang->SRCommon;
diff --git a/module/block/lang/en.php b/module/block/lang/en.php
index d3dc6dd148..f60c95a5cf 100644
--- a/module/block/lang/en.php
+++ b/module/block/lang/en.php
@@ -93,6 +93,8 @@ $lang->block->refresh            = 'Refresh';
 $lang->block->nbsp               = ' ';
 $lang->block->hidden             = 'Hide';
 $lang->block->dynamicInfo        = "<span class='timeline-tag'>%s</span> <span class='timeline-text'>%s <em>%s</em> %s <a href='%s' title='%s'>%s</a></span>";
+$lang->block->cannotPlaceInLeft  = 'Cannot place the block at left side.';
+$lang->block->cannotPlaceInRight = 'Cannot place the block at right side.';
 
 $lang->block->productName  = $lang->productCommon . ' Name';
 $lang->block->totalStory   = 'The Total ' . $lang->SRCommon;
diff --git a/module/block/lang/fr.php b/module/block/lang/fr.php
index e8d6a3ef0b..f3fe6e569c 100644
--- a/module/block/lang/fr.php
+++ b/module/block/lang/fr.php
@@ -93,6 +93,8 @@ $lang->block->refresh            = 'Rafraichir';
 $lang->block->nbsp               = ' ';
 $lang->block->hidden             = 'Masquer';
 $lang->block->dynamicInfo        = "<span class='timeline-tag'>%s</span> <span class='timeline-text'>%s <em>%s</em> %s <a href='%s' title='%s'>%s</a></span>";
+$lang->block->cannotPlaceInLeft  = 'Impossible de placer le bloc à gauche.';
+$lang->block->cannotPlaceInRight = 'Impossible de placer le bloc à droite.';
 
 $lang->block->productName  = $lang->productCommon . ' Name';
 $lang->block->totalStory   = 'The Total ' . $lang->SRCommon;
diff --git a/module/block/lang/vi.php b/module/block/lang/vi.php
index a2a8ffedcf..7d80c07ad3 100644
--- a/module/block/lang/vi.php
+++ b/module/block/lang/vi.php
@@ -93,6 +93,8 @@ $lang->block->refresh            = 'Refresh';
 $lang->block->nbsp               = ' ';
 $lang->block->hidden             = 'Ẩn';
 $lang->block->dynamicInfo        = "<span class='timeline-tag'>%s</span> <span class='timeline-text'>%s <em>%s</em> %s <a href='%s' title='%s'>%s</a></span>";
+$lang->block->cannotPlaceInLeft  = 'Khối này không thể được đặt ở bên trái.';
+$lang->block->cannotPlaceInRight = 'Khối này không thể được đặt ở bên phải.';
 
 $lang->block->productName  = $lang->productCommon . ' Name';
 $lang->block->totalStory   = 'The Total ' . $lang->SRCommon;
diff --git a/module/block/lang/zh-cn.php b/module/block/lang/zh-cn.php
index f96eac4a08..c323af5727 100644
--- a/module/block/lang/zh-cn.php
+++ b/module/block/lang/zh-cn.php
@@ -93,6 +93,8 @@ $lang->block->refresh            = '刷新';
 $lang->block->nbsp               = '';
 $lang->block->hidden             = '隐藏';
 $lang->block->dynamicInfo        = "<span class='timeline-tag'>%s</span> <span class='timeline-text'>%s <em>%s</em> %s <a href='%s' title='%s'>%s</a></span>";
+$lang->block->cannotPlaceInLeft  = '此区块无法放置在左侧。';
+$lang->block->cannotPlaceInRight = '此区块无法放置在右侧。';
 
 $lang->block->productName  = $lang->productCommon . '名称';
 $lang->block->totalStory   = '总' . $lang->SRCommon;
diff --git a/module/block/lang/zh-tw.php b/module/block/lang/zh-tw.php
index 1f1fa7978d..d764317cd9 100644
--- a/module/block/lang/zh-tw.php
+++ b/module/block/lang/zh-tw.php
@@ -93,6 +93,8 @@ $lang->block->refresh            = '刷新';
 $lang->block->nbsp               = '';
 $lang->block->hidden             = '隱藏';
 $lang->block->dynamicInfo        = "<span class='timeline-tag'>%s</span> <span class='timeline-text'>%s <em>%s</em> %s <a href='%s' title='%s'>%s</a></span>";
+$lang->block->cannotPlaceInLeft  = '此區塊無法放置在左側。';
+$lang->block->cannotPlaceInRight = '此區塊無法放置在右側。';
 
 $lang->block->productName  = $lang->productCommon . '名稱';
 $lang->block->totalStory   = '總' . $lang->SRCommon;
diff --git a/module/block/view/dashboard.html.php b/module/block/view/dashboard.html.php
index 484f5d26dc..700925e45a 100644
--- a/module/block/view/dashboard.html.php
+++ b/module/block/view/dashboard.html.php
@@ -101,8 +101,11 @@ $useGuest = $this->app->user->account == 'guest';
   </div>
 </div>
 <script>
-config.ordersSaved = '<?php echo $lang->block->ordersSaved; ?>';
+config.ordersSaved        = '<?php echo $lang->block->ordersSaved; ?>';
 config.confirmRemoveBlock = '<?php echo $lang->block->confirmRemoveBlock; ?>';
+config.cannotPlaceInLeft  = '<?php echo $lang->block->cannotPlaceInLeft; ?>';
+config.cannotPlaceInRight = '<?php echo $lang->block->cannotPlaceInRight; ?>';
+
 var module   = '<?php echo $module?>';
 var useGuest = <?php echo $useGuest ? 'true' : 'false';?>;