From f75fd2ed27ab405b7009346d154ae1f9c4527e85 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Thu, 3 May 2018 17:41:42 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 library/think/db/Builder.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/think/db/Builder.php b/library/think/db/Builder.php
index 0e8a3c45..825d54b2 100644
--- a/library/think/db/Builder.php
+++ b/library/think/db/Builder.php
@@ -113,14 +113,14 @@ abstract class Builder
             } elseif (is_null($val)) {
                 $result[$item] = 'NULL';
             } elseif (is_array($val) && !empty($val)) {
-                switch ($val[0]) {
+                switch (strtolower($val[0])) {
                     case 'inc':
                         $result[$item] = $item . '+' . floatval($val[1]);
                         break;
                     case 'dec':
                         $result[$item] = $item . '-' . floatval($val[1]);
                         break;
-                    default:
+                    case 'exp':
                         throw new Exception('not support data:[' . $val[0] . ']');
                 }
             } elseif (is_scalar($val)) {