From 49051904410d3e40e5642c89f31078a5780f060a Mon Sep 17 00:00:00 2001
From: Jianxuan Li <la5c@qq.com>
Date: Fri, 1 May 2015 17:45:17 +0800
Subject: [PATCH] fixed bug in dbh insert function

---
 Westdc/Db/Dbh.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Westdc/Db/Dbh.php b/Westdc/Db/Dbh.php
index 431a381..a9ad439 100644
--- a/Westdc/Db/Dbh.php
+++ b/Westdc/Db/Dbh.php
@@ -25,7 +25,7 @@ class Dbh
 		foreach($data as $k=>$v)
 		{
 			$fields[] = '"'.$k.'"';
-			if(is_int($v) || is_float($v) || is_bool($v))
+			if(is_int($v) || is_float($v) || is_bool($v) || $v === "NULL")
 			{
 				$datas[] = $v;
 			}else{