diff --git a/core/library/think/Model.php b/core/library/think/Model.php
index 12e34bf5..a870f347 100644
--- a/core/library/think/Model.php
+++ b/core/library/think/Model.php
@@ -41,7 +41,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
 {
 
     // 数据库对象池
-    private static $links = [];
+    protected static $links = [];
     // 数据库配置
     protected $connection = [];
     // 当前模型名称
@@ -85,8 +85,6 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
     protected $createTime = 'create_time';
     // 更新时间字段
     protected $updateTime = 'update_time';
-    // 删除时间字段
-    protected $deleteTime = 'delete_time';
     // 时间字段取出后的默认时间格式
     protected $dateFormat = 'Y-m-d H:i:s';
     // 字段类型或者格式转换
@@ -168,10 +166,6 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
                 $query->pk($this->pk);
             }
 
-            // 全局作用域
-            if (method_exists($this, 'base')) {
-                call_user_func_array([$this, 'base'], [ & $query]);
-            }
             self::$links[$model] = $query;
         }
         // 返回当前模型的数据库查询对象
@@ -275,27 +269,9 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      */
     public function setAttr($name, $value, $data = [])
     {
-        if (is_null($value) && $this->autoWriteTimestamp && in_array($name, [$this->createTime, $this->updateTime, $this->deleteTime])) {
+        if (is_null($value) && $this->autoWriteTimestamp && in_array($name, [$this->createTime, $this->updateTime])) {
             // 自动写入的时间戳字段
-            if (isset($this->type[$name])) {
-                $type = $this->type[$name];
-                if (strpos($type, ':')) {
-                    list($type, $param) = explode(':', $type, 2);
-                }
-                switch ($type) {
-                    case 'datetime':
-                        $format = !empty($param) ? $param : $this->dateFormat;
-                        $value  = date($format, $_SERVER['REQUEST_TIME']);
-                        break;
-                    case 'timestamp':
-                        $value = $_SERVER['REQUEST_TIME'];
-                        break;
-                }
-            } elseif (is_string($this->autoWriteTimestamp) && in_array(strtolower($this->autoWriteTimestamp), ['datetime', 'date', 'timestamp'])) {
-                $value = date($this->dateFormat, $_SERVER['REQUEST_TIME']);
-            } else {
-                $value = $_SERVER['REQUEST_TIME'];
-            }
+            $value = $this->autoWriteTimestamp($name);
         } else {
             // 检测修改器
             $method = 'set' . Loader::parseName($name, 1) . 'Attr';
@@ -316,6 +292,36 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
         return $this;
     }
 
+    /**
+     * 自动写入时间戳
+     * @access public
+     * @param string         $name 时间戳字段
+     * @return mixed
+     */
+    protected function autoWriteTimestamp($name)
+    {
+        if (isset($this->type[$name])) {
+            $type = $this->type[$name];
+            if (strpos($type, ':')) {
+                list($type, $param) = explode(':', $type, 2);
+            }
+            switch ($type) {
+                case 'datetime':
+                    $format = !empty($param) ? $param : $this->dateFormat;
+                    $value  = date($format, $_SERVER['REQUEST_TIME']);
+                    break;
+                case 'timestamp':
+                    $value = $_SERVER['REQUEST_TIME'];
+                    break;
+            }
+        } elseif (is_string($this->autoWriteTimestamp) && in_array(strtolower($this->autoWriteTimestamp), ['datetime', 'date', 'timestamp'])) {
+            $value = date($this->dateFormat, $_SERVER['REQUEST_TIME']);
+        } else {
+            $value = $_SERVER['REQUEST_TIME'];
+        }
+        return $value;
+    }
+
     /**
      * 数据写入 类型转换
      * @access public
@@ -777,9 +783,10 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
     /**
      * 删除当前的记录
      * @access public
+     * @param bool  $force 是否强制删除
      * @return integer
      */
-    public function delete()
+    public function delete($force = false)
     {
         if (false === $this->trigger('before_delete', $this)) {
             return false;
@@ -960,7 +967,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      */
     public static function get($data = null, $with = [], $cache = false)
     {
-        $query = self::parseQuery($data, $with, $cache);
+        $query = static::parseQuery($data, $with, $cache);
         return $query->find($data);
     }
 
@@ -975,7 +982,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      */
     public static function all($data = null, $with = [], $cache = false)
     {
-        $query = self::parseQuery($data, $with, $cache);
+        $query = static::parseQuery($data, $with, $cache);
         return $query->select($data);
     }
 
@@ -1279,14 +1286,19 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
 
     public function __call($method, $args)
     {
+        $query = $this->db();
+        // 全局作用域
+        if (method_exists($this, 'base')) {
+            call_user_func_array('static::base', [ & $query]);
+        }
         if (method_exists($this, 'scope' . $method)) {
             // 动态调用命名范围
             $method = 'scope' . $method;
-            array_unshift($args, $this->db());
+            array_unshift($args, $query);
             call_user_func_array([$this, $method], $args);
             return $this;
         } else {
-            return call_user_func_array([$this->db(), $method], $args);
+            return call_user_func_array([$query, $method], $args);
         }
     }
 
@@ -1297,6 +1309,10 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
             self::$links[$model] = (new static())->db();
         }
         $query = self::$links[$model];
+        // 全局作用域
+        if (method_exists($model, 'base')) {
+            call_user_func_array('static::base', [ & $query]);
+        }
         return call_user_func_array([$query, $method], $params);
     }
 
diff --git a/core/library/think/Route.php b/core/library/think/Route.php
index 966e569e..2ada5acf 100644
--- a/core/library/think/Route.php
+++ b/core/library/think/Route.php
@@ -1204,9 +1204,9 @@ class Route
                 foreach ($matches[1] as $name) {
                     if (strpos($name, '?')) {
                         $name      = substr($name, 0, -1);
-                        $replace[] = '(' . (isset($pattern[$name]) ? $pattern[$name] : '') . '?)';
+                        $replace[] = '(' . (isset($pattern[$name]) ? $pattern[$name] : '\w+') . '?)';
                     } else {
-                        $replace[] = '(' . (isset($pattern[$name]) ? $pattern[$name] : '') . ')';
+                        $replace[] = '(' . (isset($pattern[$name]) ? $pattern[$name] : '\w+') . ')';
                     }
                     $value[] = $name;
                 }
diff --git a/core/library/think/Url.php b/core/library/think/Url.php
index fcfd8b48..2d2acb82 100644
--- a/core/library/think/Url.php
+++ b/core/library/think/Url.php
@@ -19,6 +19,9 @@ use think\Route;
 
 class Url
 {
+    // 生成URL地址的root
+    protected static $root;
+
     /**
      * URL生成 支持路由反射
      * @param string            $url URL表达式，
@@ -129,7 +132,7 @@ class Url
         // 检测域名
         $domain = self::parseDomain($url, $domain);
         // URL组装
-        $url = $domain . Request::instance()->root() . '/' . ltrim($url, '/');
+        $url = $domain . (self::$root ?: Request::instance()->root()) . '/' . ltrim($url, '/');
         return $url;
     }
 
@@ -354,4 +357,11 @@ class Url
     {
         Cache::rm('think_route_map');
     }
-}
\ No newline at end of file
+
+    // 指定当前生成URL地址的root
+    public static function root($root)
+    {
+        self::$root = $root;
+        Request::instance()->root($root);
+    }
+}
diff --git a/core/library/think/cache/driver/Memcache.php b/core/library/think/cache/driver/Memcache.php
index 62f98bce..aacba930 100644
--- a/core/library/think/cache/driver/Memcache.php
+++ b/core/library/think/cache/driver/Memcache.php
@@ -109,6 +109,7 @@ class Memcache
      */
     public function inc($name, $step = 1)
     {
+        $name = $this->options['prefix'] . $name;
         return $this->handler->increment($name, $step);
     }
 
@@ -121,7 +122,14 @@ class Memcache
      */
     public function dec($name, $step = 1)
     {
-        return $this->handler->decrement($name, $step);
+        $name  = $this->options['prefix'] . $name;
+        $value = $this->handler->get($name) - $step;
+        $res   = $this->handler->set($name, $value);
+        if (!$res) {
+            return false;
+        } else {
+            return $value;
+        }
     }
 
     /**
diff --git a/core/library/think/cache/driver/Memcached.php b/core/library/think/cache/driver/Memcached.php
index 2eec2ea2..f260fec6 100644
--- a/core/library/think/cache/driver/Memcached.php
+++ b/core/library/think/cache/driver/Memcached.php
@@ -115,6 +115,7 @@ class Memcached
      */
     public function inc($name, $step = 1)
     {
+        $name = $this->options['prefix'] . $name;
         return $this->handler->increment($name, $step);
     }
 
@@ -127,7 +128,14 @@ class Memcached
      */
     public function dec($name, $step = 1)
     {
-        return $this->handler->decrement($name, $step);
+        $name  = $this->options['prefix'] . $name;
+        $value = $this->handler->get($name) - $step;
+        $res   = $this->handler->set($name, $value);
+        if (!$res) {
+            return false;
+        } else {
+            return $value;
+        }
     }
 
     /**
diff --git a/core/library/think/cache/driver/Redis.php b/core/library/think/cache/driver/Redis.php
index 99f9583d..4caa3fb8 100644
--- a/core/library/think/cache/driver/Redis.php
+++ b/core/library/think/cache/driver/Redis.php
@@ -115,6 +115,7 @@ class Redis
      */
     public function inc($name, $step = 1)
     {
+        $name = $this->options['prefix'] . $name;
         return $this->handler->incrby($name, $step);
     }
 
@@ -127,6 +128,7 @@ class Redis
      */
     public function dec($name, $step = 1)
     {
+        $name = $this->options['prefix'] . $name;
         return $this->handler->decrby($name, $step);
     }
 
diff --git a/core/library/think/cache/driver/Wincache.php b/core/library/think/cache/driver/Wincache.php
index e8e79b47..77fb74a4 100644
--- a/core/library/think/cache/driver/Wincache.php
+++ b/core/library/think/cache/driver/Wincache.php
@@ -94,6 +94,7 @@ class Wincache
      */
     public function inc($name, $step = 1)
     {
+        $name = $this->options['prefix'] . $name;
         return wincache_ucache_inc($name, $step);
     }
 
@@ -106,6 +107,7 @@ class Wincache
      */
     public function dec($name, $step = 1)
     {
+        $name = $this->options['prefix'] . $name;
         return wincache_ucache_dec($name, $step);
     }
 
diff --git a/core/library/think/cache/driver/Xcache.php b/core/library/think/cache/driver/Xcache.php
index e58e5102..e012112f 100644
--- a/core/library/think/cache/driver/Xcache.php
+++ b/core/library/think/cache/driver/Xcache.php
@@ -94,6 +94,7 @@ class Xcache
      */
     public function inc($name, $step = 1)
     {
+        $name = $this->options['prefix'] . $name;
         return xcache_inc($name, $step);
     }
 
@@ -106,6 +107,7 @@ class Xcache
      */
     public function dec($name, $step = 1)
     {
+        $name = $this->options['prefix'] . $name;
         return xcache_dec($name, $step);
     }
 
diff --git a/core/library/think/db/Connection.php b/core/library/think/db/Connection.php
index 6712e0d9..c4e09e6d 100644
--- a/core/library/think/db/Connection.php
+++ b/core/library/think/db/Connection.php
@@ -68,45 +68,47 @@ abstract class Connection
     // 数据库连接参数配置
     protected $config = [
         // 数据库类型
-        'type'           => '',
+        'type'              => '',
         // 服务器地址
-        'hostname'       => '',
+        'hostname'          => '',
         // 数据库名
-        'database'       => '',
+        'database'          => '',
         // 用户名
-        'username'       => '',
+        'username'          => '',
         // 密码
-        'password'       => '',
+        'password'          => '',
         // 端口
-        'hostport'       => '',
+        'hostport'          => '',
         // 连接dsn
-        'dsn'            => '',
+        'dsn'               => '',
         // 数据库连接参数
-        'params'         => [],
+        'params'            => [],
         // 数据库编码默认采用utf8
-        'charset'        => 'utf8',
+        'charset'           => 'utf8',
         // 数据库表前缀
-        'prefix'         => '',
+        'prefix'            => '',
         // 数据库调试模式
-        'debug'          => false,
+        'debug'             => false,
         // 数据库部署方式:0 集中式(单一服务器),1 分布式(主从服务器)
-        'deploy'         => 0,
+        'deploy'            => 0,
         // 数据库读写是否分离 主从式有效
-        'rw_separate'    => false,
+        'rw_separate'       => false,
         // 读写分离后 主服务器数量
-        'master_num'     => 1,
+        'master_num'        => 1,
         // 指定从服务器序号
-        'slave_no'       => '',
+        'slave_no'          => '',
         // 是否严格检查字段是否存在
-        'fields_strict'  => true,
+        'fields_strict'     => true,
         // 数据集返回类型
-        'resultset_type' => 'array',
+        'resultset_type'    => 'array',
         // 自动写入时间戳字段
-        'auto_timestamp' => false,
+        'auto_timestamp'    => false,
         // 是否需要进行SQL性能分析
-        'sql_explain'    => false,
+        'sql_explain'       => false,
         // Builder类
-        'builder'        => '',
+        'builder'           => '',
+        // 软删除字段
+        'soft_delete_field' => '',
     ];
 
     // PDO连接参数
diff --git a/core/library/think/db/Query.php b/core/library/think/db/Query.php
index d0aa4f1f..816d8d48 100644
--- a/core/library/think/db/Query.php
+++ b/core/library/think/db/Query.php
@@ -566,7 +566,11 @@ class Query
             $guid = md5($this->getTable() . '_' . $field . '_' . serialize($condition));
             $step = $this->lazyWrite('inc', $guid, $step, $lazyTime);
             if (false === $step) {
-                return true; // 等待下次写入
+                // 清空查询条件
+                $this->options = [];
+                return true;
+            } else {
+                return $this->setField($field, $step);
             }
         }
         return $this->setField($field, ['exp', $field . '+' . $step]);
@@ -593,7 +597,11 @@ class Query
             $guid = md5($this->getTable() . '_' . $field . '_' . serialize($condition));
             $step = $this->lazyWrite('dec', $guid, $step, $lazyTime);
             if (false === $step) {
-                return true; // 等待下次写入
+                // 清空查询条件
+                $this->options = [];
+                return true;
+            } else {
+                return $this->setField($field, $step);
             }
         }
         return $this->setField($field, ['exp', $field . '-' . $step]);
diff --git a/core/library/traits/model/SoftDelete.php b/core/library/traits/model/SoftDelete.php
new file mode 100644
index 00000000..f580243a
--- /dev/null
+++ b/core/library/traits/model/SoftDelete.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace traits\model;
+
+trait SoftDelete
+{
+    /**
+     * 查询软删除数据
+     * @access public
+     * @return \think\db\Query
+     */
+    public static function withTrashed()
+    {
+        $model = new static();
+        return $model->db();
+    }
+
+    /**
+     * 只查询软删除数据
+     * @access public
+     * @return \think\db\Query
+     */
+    public static function onlyTrashed()
+    {
+        $model = new static();
+        return $model->db()->where(static::$deleteTime, '>', 0);
+    }
+
+    /**
+     * 删除当前的记录
+     * @access public
+     * @param bool  $force 是否强制删除
+     * @return integer
+     */
+    public function delete($force = false)
+    {
+        if (false === $this->trigger('before_delete', $this)) {
+            return false;
+        }
+
+        if (static::$deleteTime && !$force) {
+            // 软删除
+            $name              = static::$deleteTime;
+            $this->change[]    = $name;
+            $this->data[$name] = $this->autoWriteTimestamp($name);
+            $result            = $this->isUpdate()->save();
+        } else {
+            $result = $this->db()->delete($this->data);
+        }
+
+        $this->trigger('after_delete', $this);
+        return $result;
+    }
+
+    /**
+     * 删除记录
+     * @access public
+     * @param mixed $data 主键列表 支持闭包查询条件
+     * @param bool  $force 是否强制删除
+     * @return integer 成功删除的记录数
+     */
+    public static function destroy($data, $force = false)
+    {
+        $model = new static();
+        $query = $model->db();
+        if (is_array($data) && key($data) !== 0) {
+            $query->where($data);
+            $data = null;
+        } elseif ($data instanceof \Closure) {
+            call_user_func_array($data, [ & $query]);
+            $data = null;
+        }
+        $resultSet = $query->select($data);
+        $count     = 0;
+        if ($resultSet) {
+            foreach ($resultSet as $data) {
+                $result = $data->delete($force);
+                $count += $result;
+            }
+        }
+        return $count;
+    }
+
+    /**
+     * 恢复被软删除的记录
+     * @access public
+     * @return integer
+     */
+    public function restore()
+    {
+        if (static::$deleteTime) {
+            // 恢复删除
+            $this->setAttr(static::$deleteTime, 0);
+            return $this->isUpdate()->save();
+        }
+        return false;
+    }
+
+    /**
+     * 查询默认不包含软删除数据
+     * @access protected
+     * @return void
+     */
+    protected static function base($query)
+    {
+        if (static::$deleteTime) {
+            $query->where(static::$deleteTime, 0);
+        }
+    }
+
+}