diff --git a/public/static/common/js/common.js b/public/static/common/js/common.js
index fd191b001..5605dedb3 100755
--- a/public/static/common/js/common.js
+++ b/public/static/common/js/common.js
@@ -1413,7 +1413,7 @@ $(function()
 		// 额外处理数据
 		if($('#tree').length > 0)
 		{
-			var additional = $('#tree').attr('data-additional') || null;
+			var additional = $('#tree').data('additional') || null;
 			if(additional != null)
 			{
 				for(var i in additional)