diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 10ed25b1..838f7ac3 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -403,7 +403,11 @@ class Query
             $result = $pdo->fetchColumn();
             if (isset($cache)) {
                 // 缓存数据
-                Cache::set($key, $result, $cache['expire']);
+                if (isset($cache['tag'])) {
+                    Cache::tag($cache['tag'])->set($key, $result, $cache['expire']);
+                } else {
+                    Cache::set($key, $result, $cache['expire']);
+                }
             }
         } else {
             // 清空查询条件
@@ -468,7 +472,11 @@ class Query
             }
             if (isset($cache) && isset($guid)) {
                 // 缓存数据
-                Cache::set($guid, $result, $cache['expire']);
+                if (isset($cache['tag'])) {
+                    Cache::tag($cache['tag'])->set($guid, $result, $cache['expire']);
+                } else {
+                    Cache::set($guid, $result, $cache['expire']);
+                }
             }
         } else {
             // 清空查询条件
@@ -1067,9 +1075,10 @@ class Query
      * @access public
      * @param mixed   $key    缓存key
      * @param integer $expire 缓存有效期
+     * @param string  $tag    缓存标签
      * @return $this
      */
-    public function cache($key = true, $expire = null)
+    public function cache($key = true, $expire = null, $tag = null)
     {
         // 增加快捷调用方式 cache(10) 等同于 cache(true, 10)
         if (is_numeric($key) && is_null($expire)) {
@@ -1077,7 +1086,7 @@ class Query
             $key    = true;
         }
         if (false !== $key) {
-            $this->options['cache'] = ['key' => $key, 'expire' => $expire];
+            $this->options['cache'] = ['key' => $key, 'expire' => $expire, 'tag' => $tag];
         }
         return $this;
     }
@@ -1881,7 +1890,11 @@ class Query
 
             if (isset($cache)) {
                 // 缓存数据集
-                Cache::set($key, $resultSet, $cache['expire']);
+                if (isset($cache['tag'])) {
+                    Cache::tag($cache['tag'])->set($key, $resultSet, $cache['expire']);
+                } else {
+                    Cache::set($key, $resultSet, $cache['expire']);
+                }
             }
         }
 
@@ -1968,7 +1981,11 @@ class Query
 
             if (isset($cache)) {
                 // 缓存数据
-                Cache::set($key, $result, $cache['expire']);
+                if (isset($cache['tag'])) {
+                    Cache::tag($cache['tag'])->set($key, $result, $cache['expire']);
+                } else {
+                    Cache::set($key, $result, $cache['expire']);
+                }
             }
         }