diff --git a/library/think/cache/driver/File.php b/library/think/cache/driver/File.php
index 2d2fb5ca..04d8c4a6 100644
--- a/library/think/cache/driver/File.php
+++ b/library/think/cache/driver/File.php
@@ -127,9 +127,9 @@ class File extends Driver
     /**
      * 写入缓存
      * @access public
-     * @param string    $name 缓存变量名
-     * @param mixed     $value  存储数据
-     * @param int       $expire  有效时间 0为永久
+     * @param string            $name 缓存变量名
+     * @param mixed             $value  存储数据
+     * @param integer|DateTime  $expire  有效时间（秒）
      * @return boolean
      */
     public function set($name, $value, $expire = null)
@@ -137,6 +137,9 @@ class File extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
+        if ($expire instanceof \DateTime) {
+            $expire = $expire->getTimestamp() - time();
+        }
         $filename = $this->getCacheKey($name);
         if ($this->tag && !is_file($filename)) {
             $first = true;
diff --git a/library/think/cache/driver/Lite.php b/library/think/cache/driver/Lite.php
index eeb96a19..ca69489f 100644
--- a/library/think/cache/driver/Lite.php
+++ b/library/think/cache/driver/Lite.php
@@ -77,7 +77,7 @@ class Lite extends Driver
         if (is_file($filename)) {
             // 判断是否过期
             $mtime = filemtime($filename);
-            if ($mtime < $_SERVER['REQUEST_TIME']) {
+            if ($mtime < time()) {
                 // 清除已经过期的文件
                 unlink($filename);
                 return $default;
@@ -91,9 +91,9 @@ class Lite extends Driver
     /**
      * 写入缓存
      * @access   public
-     * @param string    $name  缓存变量名
-     * @param mixed     $value 存储数据
-     * @param int       $expire 有效时间 0为永久
+     * @param string            $name 缓存变量名
+     * @param mixed             $value  存储数据
+     * @param integer|DateTime  $expire  有效时间（秒）
      * @return bool
      */
     public function set($name, $value, $expire = null)
@@ -101,9 +101,11 @@ class Lite extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
-        // 模拟永久
-        if (0 === $expire) {
-            $expire = 10 * 365 * 24 * 3600;
+        if ($expire instanceof \DateTime) {
+            $expire = $expire->getTimestamp();
+        } else {
+            $expire = 0 === $expire ? 10 * 365 * 24 * 3600 : $expire;
+            $expire = time() + $expire;
         }
         $filename = $this->getCacheKey($name);
         if ($this->tag && !is_file($filename)) {
@@ -113,7 +115,7 @@ class Lite extends Driver
         // 通过设置修改时间实现有效期
         if ($ret) {
             isset($first) && $this->setTagItem($filename);
-            touch($filename, $_SERVER['REQUEST_TIME'] + $expire);
+            touch($filename, $expire);
         }
         return $ret;
     }
diff --git a/library/think/cache/driver/Memcache.php b/library/think/cache/driver/Memcache.php
index e464f38c..816e5a93 100644
--- a/library/think/cache/driver/Memcache.php
+++ b/library/think/cache/driver/Memcache.php
@@ -82,9 +82,9 @@ class Memcache extends Driver
     /**
      * 写入缓存
      * @access public
-     * @param string    $name 缓存变量名
-     * @param mixed     $value  存储数据
-     * @param integer   $expire  有效时间（秒）
+     * @param string            $name 缓存变量名
+     * @param mixed             $value  存储数据
+     * @param integer|DateTime  $expire  有效时间（秒）
      * @return bool
      */
     public function set($name, $value, $expire = null)
@@ -92,6 +92,9 @@ class Memcache extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
+        if ($expire instanceof \DateTime) {
+            $expire = $expire->getTimestamp() - time();
+        }
         if ($this->tag && !$this->has($name)) {
             $first = true;
         }
diff --git a/library/think/cache/driver/Memcached.php b/library/think/cache/driver/Memcached.php
index 4a9d898c..6232fd80 100644
--- a/library/think/cache/driver/Memcached.php
+++ b/library/think/cache/driver/Memcached.php
@@ -93,9 +93,9 @@ class Memcached extends Driver
     /**
      * 写入缓存
      * @access public
-     * @param string    $name 缓存变量名
-     * @param mixed     $value  存储数据
-     * @param integer   $expire  有效时间（秒）
+     * @param string            $name 缓存变量名
+     * @param mixed             $value  存储数据
+     * @param integer|DateTime  $expire  有效时间（秒）
      * @return bool
      */
     public function set($name, $value, $expire = null)
@@ -103,6 +103,9 @@ class Memcached extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
+        if ($expire instanceof \DateTime) {
+            $expire = $expire->getTimestamp() - time();
+        }
         if ($this->tag && !$this->has($name)) {
             $first = true;
         }
diff --git a/library/think/cache/driver/Redis.php b/library/think/cache/driver/Redis.php
index 4f618785..d2bba3ed 100644
--- a/library/think/cache/driver/Redis.php
+++ b/library/think/cache/driver/Redis.php
@@ -91,9 +91,9 @@ class Redis extends Driver
     /**
      * 写入缓存
      * @access public
-     * @param string    $name 缓存变量名
-     * @param mixed     $value  存储数据
-     * @param integer   $expire  有效时间（秒）
+     * @param string            $name 缓存变量名
+     * @param mixed             $value  存储数据
+     * @param integer|DateTime  $expire  有效时间（秒）
      * @return boolean
      */
     public function set($name, $value, $expire = null)
@@ -101,6 +101,9 @@ class Redis extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
+        if ($expire instanceof \DateTime) {
+            $expire = $expire->getTimestamp() - time();
+        }
         if ($this->tag && !$this->has($name)) {
             $first = true;
         }
diff --git a/library/think/cache/driver/Sqlite.php b/library/think/cache/driver/Sqlite.php
index 305fd9e8..74f0b66f 100644
--- a/library/think/cache/driver/Sqlite.php
+++ b/library/think/cache/driver/Sqlite.php
@@ -96,9 +96,9 @@ class Sqlite extends Driver
     /**
      * 写入缓存
      * @access public
-     * @param string    $name 缓存变量名
-     * @param mixed     $value  存储数据
-     * @param integer   $expire  有效时间（秒）
+     * @param string            $name 缓存变量名
+     * @param mixed             $value  存储数据
+     * @param integer|DateTime  $expire  有效时间（秒）
      * @return boolean
      */
     public function set($name, $value, $expire = null)
@@ -108,7 +108,11 @@ class Sqlite extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
-        $expire = (0 == $expire) ? 0 : ($_SERVER['REQUEST_TIME'] + $expire); //缓存有效期为0表示永久缓存
+        if ($expire instanceof \DateTime) {
+            $expire = $expire->getTimestamp();
+        } else {
+            $expire = (0 == $expire) ? 0 : (time() + $expire); //缓存有效期为0表示永久缓存
+        }
         if (function_exists('gzcompress')) {
             //数据压缩
             $value = gzcompress($value, 3);
diff --git a/library/think/cache/driver/Wincache.php b/library/think/cache/driver/Wincache.php
index 3076fc14..aa56f6a7 100644
--- a/library/think/cache/driver/Wincache.php
+++ b/library/think/cache/driver/Wincache.php
@@ -68,9 +68,9 @@ class Wincache extends Driver
     /**
      * 写入缓存
      * @access public
-     * @param string    $name 缓存变量名
-     * @param mixed     $value  存储数据
-     * @param integer   $expire  有效时间（秒）
+     * @param string            $name 缓存变量名
+     * @param mixed             $value  存储数据
+     * @param integer|DateTime  $expire  有效时间（秒）
      * @return boolean
      */
     public function set($name, $value, $expire = null)
@@ -78,6 +78,9 @@ class Wincache extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
+        if ($expire instanceof \DateTime) {
+            $expire = $expire->getTimestamp() - time();
+        }
         $key = $this->getCacheKey($name);
         if ($this->tag && !$this->has($name)) {
             $first = true;
diff --git a/library/think/cache/driver/Xcache.php b/library/think/cache/driver/Xcache.php
index 2a0e07ad..c0b3a64c 100644
--- a/library/think/cache/driver/Xcache.php
+++ b/library/think/cache/driver/Xcache.php
@@ -68,9 +68,9 @@ class Xcache extends Driver
     /**
      * 写入缓存
      * @access public
-     * @param string    $name 缓存变量名
-     * @param mixed     $value  存储数据
-     * @param integer   $expire  有效时间（秒）
+     * @param string            $name 缓存变量名
+     * @param mixed             $value  存储数据
+     * @param integer|DateTime  $expire  有效时间（秒）
      * @return boolean
      */
     public function set($name, $value, $expire = null)
@@ -78,6 +78,9 @@ class Xcache extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
+        if ($expire instanceof \DateTime) {
+            $expire = $expire->getTimestamp() - time();
+        }
         if ($this->tag && !$this->has($name)) {
             $first = true;
         }