From acfec0847a54cd581a787e20e8740e5976b264e0 Mon Sep 17 00:00:00 2001
From: Catouse <catouse@gmail.com>
Date: Fri, 22 Jan 2016 13:11:33 +0800
Subject: [PATCH]  * fix error in datatable.

---
 src/js/datatable.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/js/datatable.js b/src/js/datatable.js
index e44da46a5..0dc9bc97c 100644
--- a/src/js/datatable.js
+++ b/src/js/datatable.js
@@ -750,7 +750,7 @@
 
         sortUp = !$th.hasClass('sort-up');
         if(data.keepSort) sortUp = !sortUp;
-        data.keepSort = false;
+        data.keepSort = null;
 
         $headCells.removeClass('sort-up sort-down');
         $th.addClass(sortUp ? 'sort-up' : 'sort-down');
@@ -878,7 +878,7 @@
             if(!data) $this.data(name, (data = new DataTable(this, options)));
 
             if(typeof option == 'string') {
-                if(option === 'load' && $.isPlainObject(newData) && typeof newData.keepSort !== 'boolean') newData.keepSort = true;
+                if(option === 'load' && $.isPlainObject(newData) && (newData.keepSort === undefined || newData.keepSort === null)) newData.keepSort = true;
                 data[option](newData);
             }
         });
-- 
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