From 1b8d64169f49d1625fcc8729d6bfee91bc650d04 Mon Sep 17 00:00:00 2001
From: Gaozhen Ying <yinggaozhen@hotmail.com>
Date: Tue, 19 Sep 2017 21:00:43 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=E9=83=A8=E5=88=86CacheDriver?=
 =?UTF-8?q?::dec=E5=9C=A8=E4=B8=BA=E7=A9=BA=E7=9A=84=E6=97=B6=E5=80=99?=
 =?UTF-8?q?=E9=80=92=E5=87=8F=E7=9A=84=E8=A1=8C=E4=B8=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 library/think/cache/driver/File.php   | 2 +-
 library/think/cache/driver/Lite.php   | 2 +-
 library/think/cache/driver/Sqlite.php | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/library/think/cache/driver/File.php b/library/think/cache/driver/File.php
index f02f6e7a..95021e05 100644
--- a/library/think/cache/driver/File.php
+++ b/library/think/cache/driver/File.php
@@ -189,7 +189,7 @@ class File extends Driver
         if ($this->has($name)) {
             $value = $this->get($name) - $step;
         } else {
-            $value = $step;
+            $value = -$step;
         }
         return $this->set($name, $value, 0) ? $value : false;
     }
diff --git a/library/think/cache/driver/Lite.php b/library/think/cache/driver/Lite.php
index 2e541851..6ca8072e 100644
--- a/library/think/cache/driver/Lite.php
+++ b/library/think/cache/driver/Lite.php
@@ -149,7 +149,7 @@ class Lite extends Driver
         if ($this->has($name)) {
             $value = $this->get($name) - $step;
         } else {
-            $value = $step;
+            $value = -$step;
         }
         return $this->set($name, $value, 0) ? $value : false;
     }
diff --git a/library/think/cache/driver/Sqlite.php b/library/think/cache/driver/Sqlite.php
index dd7cc957..0860f4fd 100644
--- a/library/think/cache/driver/Sqlite.php
+++ b/library/think/cache/driver/Sqlite.php
@@ -159,7 +159,7 @@ class Sqlite extends Driver
         if ($this->has($name)) {
             $value = $this->get($name) - $step;
         } else {
-            $value = $step;
+            $value = -$step;
         }
         return $this->set($name, $value, 0) ? $value : false;
     }