diff --git a/library/think/cache/Driver.php b/library/think/cache/Driver.php
index 19808c05..b975ba0d 100644
--- a/library/think/cache/Driver.php
+++ b/library/think/cache/Driver.php
@@ -80,6 +80,17 @@ abstract class Driver
      */
     abstract public function clear($tag = null);
 
+    /**
+     * 获取实际的缓存标识
+     * @access public
+     * @param string $name 缓存名
+     * @return string
+     */
+    protected function getCacheKey($name)
+    {
+        return $this->options['prefix'] . $name;
+    }
+
     /**
      * 缓存标签
      * @access public
@@ -96,6 +107,7 @@ abstract class Driver
             if (is_string($keys)) {
                 $keys = explode(',', $keys);
             }
+            $keys  = array_map([$this, 'getCacheKey'], $keys);
             $value = array_unique(array_merge($this->getTagItem($name), $keys));
             $this->set($key, implode(',', $value));
         }
diff --git a/library/think/cache/driver/File.php b/library/think/cache/driver/File.php
index b3059e59..da3b3f6f 100644
--- a/library/think/cache/driver/File.php
+++ b/library/think/cache/driver/File.php
@@ -60,11 +60,11 @@ class File extends Driver
 
     /**
      * 取得变量的存储文件名
-     * @access private
+     * @access protected
      * @param string $name 缓存变量名
      * @return string
      */
-    private function filename($name)
+    protected function getCacheKey($name)
     {
         $name = md5($name);
         if ($this->options['cache_subdir']) {
@@ -90,7 +90,7 @@ class File extends Driver
      */
     public function has($name)
     {
-        $filename = $this->filename($name);
+        $filename = $this->getCacheKey($name);
         return is_file($filename);
     }
 
@@ -103,7 +103,7 @@ class File extends Driver
      */
     public function get($name, $default = false)
     {
-        $filename = $this->filename($name);
+        $filename = $this->getCacheKey($name);
         if (!is_file($filename)) {
             return $default;
         }
@@ -140,7 +140,7 @@ class File extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
-        $filename = $this->filename($name);
+        $filename = $this->getCacheKey($name);
         if ($this->tag && !is_file($filename)) {
             $first = true;
         }
@@ -202,7 +202,7 @@ class File extends Driver
      */
     public function rm($name)
     {
-        return $this->unlink($this->filename($name));
+        return $this->unlink($this->getCacheKey($name));
     }
 
     /**
@@ -219,6 +219,7 @@ class File extends Driver
             foreach ($keys as $key) {
                 $this->unlink($key);
             }
+            $this->rm('tag_' . md5($tag));
             return true;
         }
         $fileLsit = (array) glob($this->options['path'] . '*');
diff --git a/library/think/cache/driver/Lite.php b/library/think/cache/driver/Lite.php
index 4ae82e6e..a527a012 100644
--- a/library/think/cache/driver/Lite.php
+++ b/library/think/cache/driver/Lite.php
@@ -44,11 +44,11 @@ class Lite extends Driver
 
     /**
      * 取得变量的存储文件名
-     * @access private
+     * @access protected
      * @param string $name 缓存变量名
      * @return string
      */
-    private function filename($name)
+    protected function getCacheKey($name)
     {
         return $this->options['path'] . $this->options['prefix'] . md5($name) . '.php';
     }
@@ -61,7 +61,7 @@ class Lite extends Driver
      */
     public function has($name)
     {
-        $filename = $this->filename($name);
+        $filename = $this->getCacheKey($name);
         return is_file($filename);
     }
 
@@ -74,7 +74,7 @@ class Lite extends Driver
      */
     public function get($name, $default = false)
     {
-        $filename = $this->filename($name);
+        $filename = $this->getCacheKey($name);
         if (is_file($filename)) {
             // 判断是否过期
             $mtime = filemtime($filename);
@@ -106,7 +106,7 @@ class Lite extends Driver
         if (0 === $expire) {
             $expire = 10 * 365 * 24 * 3600;
         }
-        $filename = $this->filename($name);
+        $filename = $this->getCacheKey($name);
         if ($this->tag && !is_file($filename)) {
             $first = true;
         }
@@ -161,7 +161,7 @@ class Lite extends Driver
      */
     public function rm($name)
     {
-        return unlink($this->filename($name));
+        return unlink($this->getCacheKey($name));
     }
 
     /**
@@ -178,6 +178,7 @@ class Lite extends Driver
             foreach ($keys as $key) {
                 unlink($key);
             }
+            $this->rm('tag_' . md5($tag));
             return true;
         }
         array_map("unlink", glob($this->options['path'] . $this->options['prefix'] . '*.php'));
diff --git a/library/think/cache/driver/Memcache.php b/library/think/cache/driver/Memcache.php
index 2beb5837..8e3df294 100644
--- a/library/think/cache/driver/Memcache.php
+++ b/library/think/cache/driver/Memcache.php
@@ -64,8 +64,8 @@ class Memcache extends Driver
      */
     public function has($name)
     {
-        $name = $this->options['prefix'] . $name;
-        return $this->handler->get($name) ? true : false;
+        $key = $this->getCacheKey($name);
+        return $this->handler->get($key) ? true : false;
     }
 
     /**
@@ -77,7 +77,7 @@ class Memcache extends Driver
      */
     public function get($name, $default = false)
     {
-        $result = $this->handler->get($this->options['prefix'] . $name);
+        $result = $this->handler->get($this->getCacheKey($name));
         return false !== $result ? $result : $default;
     }
 
@@ -97,9 +97,9 @@ class Memcache extends Driver
         if ($this->tag && !$this->has($name)) {
             $first = true;
         }
-        $name = $this->options['prefix'] . $name;
-        if ($this->handler->set($name, $value, 0, $expire)) {
-            isset($first) && $this->setTagItem($name);
+        $key = $this->getCacheKey($name);
+        if ($this->handler->set($key, $value, 0, $expire)) {
+            isset($first) && $this->setTagItem($key);
             return true;
         }
         return false;
@@ -114,8 +114,8 @@ class Memcache extends Driver
      */
     public function inc($name, $step = 1)
     {
-        $name = $this->options['prefix'] . $name;
-        return $this->handler->increment($name, $step);
+        $key = $this->getCacheKey($name);
+        return $this->handler->increment($key, $step);
     }
 
     /**
@@ -127,9 +127,9 @@ class Memcache extends Driver
      */
     public function dec($name, $step = 1)
     {
-        $name  = $this->options['prefix'] . $name;
-        $value = $this->handler->get($name) - $step;
-        $res   = $this->handler->set($name, $value);
+        $key   = $this->getCacheKey($name);
+        $value = $this->handler->get($key) - $step;
+        $res   = $this->handler->set($key, $value);
         if (!$res) {
             return false;
         } else {
@@ -145,10 +145,10 @@ class Memcache extends Driver
      */
     public function rm($name, $ttl = false)
     {
-        $name = $this->options['prefix'] . $name;
+        $key = $this->getCacheKey($name);
         return false === $ttl ?
-        $this->handler->delete($name) :
-        $this->handler->delete($name, $ttl);
+        $this->handler->delete($key) :
+        $this->handler->delete($key, $ttl);
     }
 
     /**
@@ -165,6 +165,7 @@ class Memcache extends Driver
             foreach ($keys as $key) {
                 $this->handler->delete($key);
             }
+            $this->rm('tag_' . md5($tag));
             return true;
         }
         return $this->handler->flush();
diff --git a/library/think/cache/driver/Memcached.php b/library/think/cache/driver/Memcached.php
index 78be1069..9c0a2597 100644
--- a/library/think/cache/driver/Memcached.php
+++ b/library/think/cache/driver/Memcached.php
@@ -70,8 +70,8 @@ class Memcached extends Driver
      */
     public function has($name)
     {
-        $name = $this->options['prefix'] . $name;
-        return $this->handler->get($name) ? true : false;
+        $key = $this->getCacheKey($name);
+        return $this->handler->get($key) ? true : false;
     }
 
     /**
@@ -83,7 +83,7 @@ class Memcached extends Driver
      */
     public function get($name, $default = false)
     {
-        $result = $this->handler->get($this->options['prefix'] . $name);
+        $result = $this->handler->get($this->getCacheKey($name));
         return false !== $result ? $result : $default;
     }
 
@@ -103,10 +103,10 @@ class Memcached extends Driver
         if ($this->tag && !$this->has($name)) {
             $first = true;
         }
-        $name   = $this->options['prefix'] . $name;
+        $key    = $this->getCacheKey($name);
         $expire = 0 == $expire ? 0 : $_SERVER['REQUEST_TIME'] + $expire;
-        if ($this->handler->set($name, $value, $expire)) {
-            isset($first) && $this->setTagItem($name);
+        if ($this->handler->set($key, $value, $expire)) {
+            isset($first) && $this->setTagItem($key);
             return true;
         }
         return false;
@@ -121,8 +121,8 @@ class Memcached extends Driver
      */
     public function inc($name, $step = 1)
     {
-        $name = $this->options['prefix'] . $name;
-        return $this->handler->increment($name, $step);
+        $key = $this->getCacheKey($name);
+        return $this->handler->increment($key, $step);
     }
 
     /**
@@ -134,9 +134,9 @@ class Memcached extends Driver
      */
     public function dec($name, $step = 1)
     {
-        $name  = $this->options['prefix'] . $name;
-        $value = $this->handler->get($name) - $step;
-        $res   = $this->handler->set($name, $value);
+        $key   = $this->getCacheKey($name);
+        $value = $this->handler->get($key) - $step;
+        $res   = $this->handler->set($key, $value);
         if (!$res) {
             return false;
         } else {
@@ -152,10 +152,10 @@ class Memcached extends Driver
      */
     public function rm($name, $ttl = false)
     {
-        $name = $this->options['prefix'] . $name;
+        $key = $this->getCacheKey($name);
         return false === $ttl ?
-        $this->handler->delete($name) :
-        $this->handler->delete($name, $ttl);
+        $this->handler->delete($key) :
+        $this->handler->delete($key, $ttl);
     }
 
     /**
@@ -170,6 +170,7 @@ class Memcached extends Driver
             // 指定标签清除
             $keys = $this->getTagItem($tag);
             $this->handler->deleteMulti($keys);
+            $this->rm('tag_' . md5($tag));
             return true;
         }
         return $this->handler->flush();
diff --git a/library/think/cache/driver/Redis.php b/library/think/cache/driver/Redis.php
index 6dbc4844..cd33523f 100644
--- a/library/think/cache/driver/Redis.php
+++ b/library/think/cache/driver/Redis.php
@@ -63,7 +63,7 @@ class Redis extends Driver
      */
     public function has($name)
     {
-        return $this->handler->get($this->options['prefix'] . $name) ? true : false;
+        return $this->handler->get($this->getCacheKey($name)) ? true : false;
     }
 
     /**
@@ -75,7 +75,7 @@ class Redis extends Driver
      */
     public function get($name, $default = false)
     {
-        $value = $this->handler->get($this->options['prefix'] . $name);
+        $value = $this->handler->get($this->getCacheKey($name));
         if (is_null($value)) {
             return $default;
         }
@@ -97,14 +97,18 @@ class Redis extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
-        $name = $this->options['prefix'] . $name;
+        if ($this->tag && !$this->has($name)) {
+            $first = true;
+        }
+        $key = $this->getCacheKey($name);
         //对数组/对象数据进行缓存处理，保证数据完整性  byron sampson<xiaobo.sun@qq.com>
         $value = (is_object($value) || is_array($value)) ? json_encode($value) : $value;
         if (is_int($expire) && $expire) {
-            $result = $this->handler->setex($name, $expire, $value);
+            $result = $this->handler->setex($key, $expire, $value);
         } else {
-            $result = $this->handler->set($name, $value);
+            $result = $this->handler->set($key, $value);
         }
+        isset($first) && $this->setTagItem($key);
         return $result;
     }
 
@@ -117,8 +121,8 @@ class Redis extends Driver
      */
     public function inc($name, $step = 1)
     {
-        $name = $this->options['prefix'] . $name;
-        return $this->handler->incrby($name, $step);
+        $key = $this->getCacheKey($name);
+        return $this->handler->incrby($key, $step);
     }
 
     /**
@@ -130,8 +134,8 @@ class Redis extends Driver
      */
     public function dec($name, $step = 1)
     {
-        $name = $this->options['prefix'] . $name;
-        return $this->handler->decrby($name, $step);
+        $key = $this->getCacheKey($name);
+        return $this->handler->decrby($key, $step);
     }
 
     /**
@@ -142,7 +146,7 @@ class Redis extends Driver
      */
     public function rm($name)
     {
-        return $this->handler->delete($this->options['prefix'] . $name);
+        return $this->handler->delete($this->getCacheKey($name));
     }
 
     /**
@@ -159,6 +163,7 @@ class Redis extends Driver
             foreach ($keys as $key) {
                 $this->handler->delete($key);
             }
+            $this->rm('tag_' . md5($tag));
             return true;
         }
         return $this->handler->flushDB();
diff --git a/library/think/cache/driver/Sqlite.php b/library/think/cache/driver/Sqlite.php
index 392cd1fb..0b774a1a 100644
--- a/library/think/cache/driver/Sqlite.php
+++ b/library/think/cache/driver/Sqlite.php
@@ -47,6 +47,17 @@ class Sqlite extends Driver
         $this->handler = $func($this->options['db']);
     }
 
+    /**
+     * 获取实际的缓存标识
+     * @access public
+     * @param string $name 缓存名
+     * @return string
+     */
+    protected function getCacheKey($name)
+    {
+        return $this->options['prefix'] . sqlite_escape_string($name);
+    }
+
     /**
      * 判断缓存
      * @access public
@@ -55,7 +66,7 @@ class Sqlite extends Driver
      */
     public function has($name)
     {
-        $name   = $this->options['prefix'] . sqlite_escape_string($name);
+        $name   = $this->getCacheKey($name);
         $sql    = 'SELECT value FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\' AND (expire=0 OR expire >' . $_SERVER['REQUEST_TIME'] . ') LIMIT 1';
         $result = sqlite_query($this->handler, $sql);
         return sqlite_num_rows($result);
@@ -70,7 +81,7 @@ class Sqlite extends Driver
      */
     public function get($name, $default = false)
     {
-        $name   = $this->options['prefix'] . sqlite_escape_string($name);
+        $name   = $this->getCacheKey($name);
         $sql    = 'SELECT value FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\' AND (expire=0 OR expire >' . $_SERVER['REQUEST_TIME'] . ') LIMIT 1';
         $result = sqlite_query($this->handler, $sql);
         if (sqlite_num_rows($result)) {
@@ -94,7 +105,7 @@ class Sqlite extends Driver
      */
     public function set($name, $value, $expire = null)
     {
-        $name  = $this->options['prefix'] . sqlite_escape_string($name);
+        $name  = $this->getCacheKey($name);
         $value = sqlite_escape_string(serialize($value));
         if (is_null($expire)) {
             $expire = $this->options['expire'];
@@ -159,7 +170,7 @@ class Sqlite extends Driver
      */
     public function rm($name)
     {
-        $name = $this->options['prefix'] . sqlite_escape_string($name);
+        $name = $this->getCacheKey($name);
         $sql  = 'DELETE FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\'';
         sqlite_query($this->handler, $sql);
         return true;
diff --git a/library/think/cache/driver/Wincache.php b/library/think/cache/driver/Wincache.php
index e529fe28..36fe3bea 100644
--- a/library/think/cache/driver/Wincache.php
+++ b/library/think/cache/driver/Wincache.php
@@ -51,8 +51,8 @@ class Wincache extends Driver
      */
     public function has($name)
     {
-        $name = $this->options['prefix'] . $name;
-        return wincache_ucache_exists($name);
+        $key = $this->getCacheKey($name);
+        return wincache_ucache_exists($key);
     }
 
     /**
@@ -64,8 +64,8 @@ class Wincache extends Driver
      */
     public function get($name, $default = false)
     {
-        $name = $this->options['prefix'] . $name;
-        return wincache_ucache_exists($name) ? wincache_ucache_get($name) : $default;
+        $key = $this->getCacheKey($name);
+        return wincache_ucache_exists($key) ? wincache_ucache_get($key) : $default;
     }
 
     /**
@@ -81,12 +81,12 @@ class Wincache extends Driver
         if (is_null($expire)) {
             $expire = $this->options['expire'];
         }
-        $name = $this->options['prefix'] . $name;
+        $key = $this->getCacheKey($name);
         if ($this->tag && !$this->has($name)) {
             $first = true;
         }
-        if (wincache_ucache_set($name, $value, $expire)) {
-            isset($first) && $this->setTagItem($name);
+        if (wincache_ucache_set($key, $value, $expire)) {
+            isset($first) && $this->setTagItem($key);
             return true;
         }
         return false;
@@ -101,8 +101,8 @@ class Wincache extends Driver
      */
     public function inc($name, $step = 1)
     {
-        $name = $this->options['prefix'] . $name;
-        return wincache_ucache_inc($name, $step);
+        $key = $this->getCacheKey($name);
+        return wincache_ucache_inc($key, $step);
     }
 
     /**
@@ -114,8 +114,8 @@ class Wincache extends Driver
      */
     public function dec($name, $step = 1)
     {
-        $name = $this->options['prefix'] . $name;
-        return wincache_ucache_dec($name, $step);
+        $key = $this->getCacheKey($name);
+        return wincache_ucache_dec($key, $step);
     }
 
     /**
@@ -126,7 +126,7 @@ class Wincache extends Driver
      */
     public function rm($name)
     {
-        return wincache_ucache_delete($this->options['prefix'] . $name);
+        return wincache_ucache_delete($this->getCacheKey($name));
     }
 
     /**
@@ -142,6 +142,7 @@ class Wincache extends Driver
             foreach ($keys as $key) {
                 wincache_ucache_delete($key);
             }
+            $this->rm('tag_' . md5($tag));
             return true;
         } else {
             return wincache_ucache_clear();
diff --git a/library/think/cache/driver/Xcache.php b/library/think/cache/driver/Xcache.php
index 18a76d2f..6b18b3fc 100644
--- a/library/think/cache/driver/Xcache.php
+++ b/library/think/cache/driver/Xcache.php
@@ -49,8 +49,8 @@ class Xcache extends Driver
      */
     public function has($name)
     {
-        $name = $this->options['prefix'] . $name;
-        return xcache_isset($name);
+        $key = $this->getCacheKey($name);
+        return xcache_isset($key);
     }
 
     /**
@@ -62,8 +62,8 @@ class Xcache extends Driver
      */
     public function get($name, $default = false)
     {
-        $name = $this->options['prefix'] . $name;
-        return xcache_isset($name) ? xcache_get($name) : $default;
+        $key = $this->getCacheKey($name);
+        return xcache_isset($key) ? xcache_get($key) : $default;
     }
 
     /**
@@ -82,9 +82,9 @@ class Xcache extends Driver
         if ($this->tag && !$this->has($name)) {
             $first = true;
         }
-        $name = $this->options['prefix'] . $name;
-        if (xcache_set($name, $value, $expire)) {
-            isset($first) && $this->setTagItem($name);
+        $key = $this->getCacheKey($name);
+        if (xcache_set($key, $value, $expire)) {
+            isset($first) && $this->setTagItem($key);
             return true;
         }
         return false;
@@ -99,8 +99,8 @@ class Xcache extends Driver
      */
     public function inc($name, $step = 1)
     {
-        $name = $this->options['prefix'] . $name;
-        return xcache_inc($name, $step);
+        $key = $this->getCacheKey($name);
+        return xcache_inc($key, $step);
     }
 
     /**
@@ -112,8 +112,8 @@ class Xcache extends Driver
      */
     public function dec($name, $step = 1)
     {
-        $name = $this->options['prefix'] . $name;
-        return xcache_dec($name, $step);
+        $key = $this->getCacheKey($name);
+        return xcache_dec($key, $step);
     }
 
     /**
@@ -124,7 +124,7 @@ class Xcache extends Driver
      */
     public function rm($name)
     {
-        return xcache_unset($this->options['prefix'] . $name);
+        return xcache_unset($this->getCacheKey($name));
     }
 
     /**
@@ -141,6 +141,7 @@ class Xcache extends Driver
             foreach ($keys as $key) {
                 xcache_unset($key);
             }
+            $this->rm('tag_' . md5($tag));
             return true;
         }
         if (function_exists('xcache_unset_by_prefix')) {