From 8c1e6f70bb47201c8978ffe0904d9cf16773f693 Mon Sep 17 00:00:00 2001
From: kwan <303198069@qq.com>
Date: Tue, 10 Jan 2017 03:23:49 +0800
Subject: [PATCH] fix #8

---
 src/Think/Model.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Think/Model.php b/src/Think/Model.php
index 20bbb9b..ffd08d4 100644
--- a/src/Think/Model.php
+++ b/src/Think/Model.php
@@ -1095,7 +1095,7 @@ public function setInc($field, $step = 1, $lazyTime = 0)
                 }
             }
             
-            return $this->setField($field, ['exp', $field . '+' . $step]);
+            return $this->setField($field, ['exp', '`' . $field . '`+' . $step]);
         }
         
         /**
@@ -1121,7 +1121,7 @@ public function setDec($field, $step = 1, $lazyTime = 0)
                 }
             }
             
-            return $this->setField($field, ['exp', $field . '-' . $step]);
+            return $this->setField($field, ['exp', '`' . $field . '`-' . $step]);
         }
         
         /**