diff --git a/Traits/Think/Model/Extend.php b/Traits/Think/Model/Extend.php
index 06d6a118..b39d3b3b 100644
--- a/Traits/Think/Model/Extend.php
+++ b/Traits/Think/Model/Extend.php
@@ -1,231 +1,261 @@
-<?php
-// +----------------------------------------------------------------------
-// | TOPThink [ WE CAN DO IT JUST THINK ]
-// +----------------------------------------------------------------------
-// | Copyright (c) 2011 http://topthink.com All rights reserved.
-// +----------------------------------------------------------------------
-// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
-// +----------------------------------------------------------------------
-// | Author: liu21st <liu21st@gmail.com>
-// +----------------------------------------------------------------------
-
-namespace Traits\Think\Model;
-
-trait Extend {
-    
-    protected $partition    =   [];
-
-    /**
-     * 设置记录的某个字段值
-     * 支持使用数据库字段和方法
-     * @access public
-     * @param string|array $field  字段名
-     * @param string $value  字段值
-     * @return boolean
-     */
-    public function setField($field,$value='') {
-        if(is_array($field)) {
-            $data           =   $field;
-        }else{
-            $data[$field]   =   $value;
-        }
-        return $this->save($data);
-    }
-
-    /**
-     * 字段值增长
-     * @access public
-     * @param string $field  字段名
-     * @param integer $step  增长值
-     * @return boolean
-     */
-    public function setInc($field,$step=1) {
-        return $this->setField($field,['exp',$field.'+'.$step]);
-    }
-
-    /**
-     * 字段值减少
-     * @access public
-     * @param string $field  字段名
-     * @param integer $step  减少值
-     * @return boolean
-     */
-    public function setDec($field,$step=1) {
-        return $this->setField($field,['exp',$field.'-'.$step]);
-    }
-
-
-    /**
-     * 获取一条记录的某个字段值
-     * @access public
-     * @param string $field  字段名
-     * @param string $spea  字段数据间隔符号 NULL返回数组
-     * @return mixed
-     */
-    public function getField($field,$sepa=null) {
-        $options['field']       =   $field;
-        $options                =   $this->_parseOptions($options);
-        $field                  =   trim($field);
-        if(strpos($field,',')) { // 多字段
-            if(!isset($options['limit'])){
-                $options['limit']   =   is_numeric($sepa)?$sepa:'';
-            }
-            $resultSet          =   $this->db->select($options);
-            if(!empty($resultSet)) {
-                $_field         =   explode(',', $field);
-                $field          =   array_keys($resultSet[0]);
-                $key            =   array_shift($field);
-                $key2           =   array_shift($field);
-                $cols           =   [];
-                $count          =   count($_field);
-                foreach ($resultSet as $result){
-                    $name   =  $result[$key];
-                    if(2==$count) {
-                        $cols[$name]   =  $result[$key2];
-                    }else{
-                        $cols[$name]   =  is_string($sepa)?implode($sepa,$result):$result;
-                    }
-                }
-                return $cols;
-            }
-        }else{   // 查找一条记录
-            // 返回数据个数
-            if(true !== $sepa) {// 当sepa指定为true的时候 返回所有数据
-                $options['limit']   =   is_numeric($sepa)?$sepa:1;
-            }
-            $result = $this->db->select($options);
-            if(!empty($result)) {
-                if(true !== $sepa && 1==$options['limit']) return reset($result[0]);
-                foreach ($result as $val){
-                    $array[]    =   $val[$field];
-                }
-                return $array;
-            }
-        }
-        return null;
-    }
-        
-    /**
-     * 字段值延迟增长
-     * @access public
-     * @param string $field  字段名
-     * @param integer $step  增长值
-     * @param integer $lazyTime  延时时间(s)
-     * @return boolean
-     */
-    public function setLazyInc($field,$step=1,$lazyTime=0) {
-        $condition   =  $this->options['where'];
-        if(empty($condition)) { // 没有条件不做任何更新
-            return false;
-        }
-        if($lazyTime>0) {// 延迟写入
-            $guid =  md5($this->name.'_'.$field.'_'.serialize($condition));
-            $step = $this->lazyWrite($guid,$step,$lazyTime);
-            if(false === $step ) return true; // 等待下次写入
-        }
-        return $this->setField($field,array('exp',$field.'+'.$step));
-    }
-
-    /**
-     * 字段值延迟减少
-     * @access public
-     * @param string $field  字段名
-     * @param integer $step  减少值
-     * @param integer $lazyTime  延时时间(s)
-     * @return boolean
-     */
-    public function setLazyDec($field,$step=1,$lazyTime=0) {
-        $condition   =  $this->options['where'];
-        if(empty($condition)) { // 没有条件不做任何更新
-            return false;
-        }
-        if($lazyTime>0) {// 延迟写入
-            $guid =  md5($this->name.'_'.$field.'_'.serialize($condition));
-            $step = $this->lazyWrite($guid,$step,$lazyTime);
-            if(false === $step ) return true; // 等待下次写入
-        }
-        return $this->setField($field,array('exp',$field.'-'.$step));
-    }
-
-    /**
-     * 延时更新检查 返回false表示需要延时
-     * 否则返回实际写入的数值
-     * @access public
-     * @param string $guid  写入标识
-     * @param integer $step  写入步进值
-     * @param integer $lazyTime  延时时间(s)
-     * @return false|integer
-     */
-    protected function lazyWrite($guid,$step,$lazyTime) {
-        if(false !== ($value = F($guid))) { // 存在缓存写入数据
-            if(time()>S($guid.'_time')+$lazyTime) {
-                // 延时更新时间到了，删除缓存数据 并实际写入数据库
-                S($guid,NULL);
-                S($guid.'_time',NULL);
-                return $value+$step;
-            }else{
-                // 追加数据到缓存
-                S($guid,$value+$step);
-                return false;
-            }
-        }else{ // 没有缓存数据
-            S($guid,$step);
-            // 计时开始
-            S($guid.'_time',time());
-            return false;
-        }
-    }
-
-    /**
-     * 得到分表的的数据表名
-     * @access public
-     * @param array $data 操作的数据
-     * @return string
-     */
-    public function getPartitionTableName($data=[]) {
-        // 对数据表进行分区
-        if(isset($data[$this->partition['field']])) {
-            $field   =   $data[$this->partition['field']];
-            switch($this->partition['type']) {
-                case 'id':
-                    // 按照id范围分表
-                    $step    =   $this->partition['expr'];
-                    $seq    =   floor($field / $step)+1;
-                    break;
-                case 'year':
-                    // 按照年份分表
-                    if(!is_numeric($field)) {
-                        $field   =   strtotime($field);
-                    }
-                    $seq    =   date('Y',$field)-$this->partition['expr']+1;
-                    break;
-                case 'mod':
-                    // 按照id的模数分表
-                    $seq    =   ($field % $this->partition['num'])+1;
-                    break;
-                case 'md5':
-                    // 按照md5的序列分表
-                    $seq    =   (ord(substr(md5($field),0,1)) % $this->partition['num'])+1;
-                    break;
-                default :
-                    if(function_exists($this->partition['type'])) {
-                        // 支持指定函数哈希
-                        $fun    =   $this->partition['type'];
-                        $seq    =   (ord(substr($fun($field),0,1)) % $this->partition['num'])+1;
-                    }else{
-                        // 按照字段的首字母的值分表
-                        $seq    =   (ord($field{0}) % $this->partition['num'])+1;
-                    }
-            }
-            return $this->getTableName().'_'.$seq;
-        }else{
-            // 当设置的分表字段不在查询条件或者数据中
-            // 进行联合查询，必须设定 partition['num']
-            $tableName  =   [];
-            for($i=0;$i<$this->partition['num'];$i++)
-                $tableName[] = 'SELECT * FROM '.$this->getTableName().'_'.($i+1);
-            $tableName = '( '.implode(" UNION ",$tableName).') AS '.$this->name;
-            return $tableName;
-        }
-    }
+<?php
+// +----------------------------------------------------------------------
+// | TOPThink [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2011 http://topthink.com All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+namespace Traits\Think\Model;
+
+trait Extend {
+    
+    protected $partition    =   [];
+
+   /**
+     * 利用__call方法实现一些特殊的Model方法
+     * @access public
+     * @param string $method 方法名称
+     * @param array $args 调用参数
+     * @return mixed
+     */
+    public function __call($method,$args) {
+        if(in_array(strtolower($method),array('count','sum','min','max','avg'),true)){
+            // 统计查询的实现
+            $field =  isset($args[0])?$args[0]:'*';
+            return $this->getField(strtoupper($method).'('.$field.') AS tp_'.$method);
+        }elseif(strtolower(substr($method,0,5))=='getby') {
+            // 根据某个字段获取记录
+            $field   =   parse_name(substr($method,5));
+            $where[$field] =  $args[0];
+            return $this->where($where)->find();
+        }elseif(strtolower(substr($method,0,10))=='getfieldby') {
+            // 根据某个字段获取记录的某个值
+            $name   =   parse_name(substr($method,10));
+            $where[$name] =$args[0];
+            return $this->where($where)->getField($args[1]);
+        }elseif(isset($this->_scope[$method])){// 命名范围的单独调用支持
+            return $this->scope($method,$args[0]);
+        }else{
+            E(__CLASS__.':'.$method.L('_METHOD_NOT_EXIST_'));
+            return;
+        }
+    }
+
+    /**
+     * 设置记录的某个字段值
+     * 支持使用数据库字段和方法
+     * @access public
+     * @param string|array $field  字段名
+     * @param string $value  字段值
+     * @return boolean
+     */
+    public function setField($field,$value='') {
+        if(is_array($field)) {
+            $data           =   $field;
+        }else{
+            $data[$field]   =   $value;
+        }
+        return $this->save($data);
+    }
+
+    /**
+     * 字段值增长
+     * @access public
+     * @param string $field  字段名
+     * @param integer $step  增长值
+     * @return boolean
+     */
+    public function setInc($field,$step=1) {
+        return $this->setField($field,['exp',$field.'+'.$step]);
+    }
+
+    /**
+     * 字段值减少
+     * @access public
+     * @param string $field  字段名
+     * @param integer $step  减少值
+     * @return boolean
+     */
+    public function setDec($field,$step=1) {
+        return $this->setField($field,['exp',$field.'-'.$step]);
+    }
+
+
+    /**
+     * 获取一条记录的某个字段值
+     * @access public
+     * @param string $field  字段名
+     * @param string $spea  字段数据间隔符号 NULL返回数组
+     * @return mixed
+     */
+    public function getField($field,$sepa=null) {
+        $options['field']       =   $field;
+        $options                =   $this->_parseOptions($options);
+        $field                  =   trim($field);
+        if(strpos($field,',')) { // 多字段
+            if(!isset($options['limit'])){
+                $options['limit']   =   is_numeric($sepa)?$sepa:'';
+            }
+            $resultSet          =   $this->db->select($options);
+            if(!empty($resultSet)) {
+                $_field         =   explode(',', $field);
+                $field          =   array_keys($resultSet[0]);
+                $key            =   array_shift($field);
+                $key2           =   array_shift($field);
+                $cols           =   [];
+                $count          =   count($_field);
+                foreach ($resultSet as $result){
+                    $name   =  $result[$key];
+                    if(2==$count) {
+                        $cols[$name]   =  $result[$key2];
+                    }else{
+                        $cols[$name]   =  is_string($sepa)?implode($sepa,$result):$result;
+                    }
+                }
+                return $cols;
+            }
+        }else{   // 查找一条记录
+            // 返回数据个数
+            if(true !== $sepa) {// 当sepa指定为true的时候 返回所有数据
+                $options['limit']   =   is_numeric($sepa)?$sepa:1;
+            }
+            $result = $this->db->select($options);
+            if(!empty($result)) {
+                if(true !== $sepa && 1==$options['limit']) return reset($result[0]);
+                foreach ($result as $val){
+                    $array[]    =   $val[$field];
+                }
+                return $array;
+            }
+        }
+        return null;
+    }
+        
+    /**
+     * 字段值延迟增长
+     * @access public
+     * @param string $field  字段名
+     * @param integer $step  增长值
+     * @param integer $lazyTime  延时时间(s)
+     * @return boolean
+     */
+    public function setLazyInc($field,$step=1,$lazyTime=0) {
+        $condition   =  $this->options['where'];
+        if(empty($condition)) { // 没有条件不做任何更新
+            return false;
+        }
+        if($lazyTime>0) {// 延迟写入
+            $guid =  md5($this->name.'_'.$field.'_'.serialize($condition));
+            $step = $this->lazyWrite($guid,$step,$lazyTime);
+            if(false === $step ) return true; // 等待下次写入
+        }
+        return $this->setField($field,array('exp',$field.'+'.$step));
+    }
+
+    /**
+     * 字段值延迟减少
+     * @access public
+     * @param string $field  字段名
+     * @param integer $step  减少值
+     * @param integer $lazyTime  延时时间(s)
+     * @return boolean
+     */
+    public function setLazyDec($field,$step=1,$lazyTime=0) {
+        $condition   =  $this->options['where'];
+        if(empty($condition)) { // 没有条件不做任何更新
+            return false;
+        }
+        if($lazyTime>0) {// 延迟写入
+            $guid =  md5($this->name.'_'.$field.'_'.serialize($condition));
+            $step = $this->lazyWrite($guid,$step,$lazyTime);
+            if(false === $step ) return true; // 等待下次写入
+        }
+        return $this->setField($field,array('exp',$field.'-'.$step));
+    }
+
+    /**
+     * 延时更新检查 返回false表示需要延时
+     * 否则返回实际写入的数值
+     * @access public
+     * @param string $guid  写入标识
+     * @param integer $step  写入步进值
+     * @param integer $lazyTime  延时时间(s)
+     * @return false|integer
+     */
+    protected function lazyWrite($guid,$step,$lazyTime) {
+        if(false !== ($value = F($guid))) { // 存在缓存写入数据
+            if(time()>S($guid.'_time')+$lazyTime) {
+                // 延时更新时间到了，删除缓存数据 并实际写入数据库
+                S($guid,NULL);
+                S($guid.'_time',NULL);
+                return $value+$step;
+            }else{
+                // 追加数据到缓存
+                S($guid,$value+$step);
+                return false;
+            }
+        }else{ // 没有缓存数据
+            S($guid,$step);
+            // 计时开始
+            S($guid.'_time',time());
+            return false;
+        }
+    }
+
+    /**
+     * 得到分表的的数据表名
+     * @access public
+     * @param array $data 操作的数据
+     * @return string
+     */
+    public function getPartitionTableName($data=[]) {
+        // 对数据表进行分区
+        if(isset($data[$this->partition['field']])) {
+            $field   =   $data[$this->partition['field']];
+            switch($this->partition['type']) {
+                case 'id':
+                    // 按照id范围分表
+                    $step    =   $this->partition['expr'];
+                    $seq    =   floor($field / $step)+1;
+                    break;
+                case 'year':
+                    // 按照年份分表
+                    if(!is_numeric($field)) {
+                        $field   =   strtotime($field);
+                    }
+                    $seq    =   date('Y',$field)-$this->partition['expr']+1;
+                    break;
+                case 'mod':
+                    // 按照id的模数分表
+                    $seq    =   ($field % $this->partition['num'])+1;
+                    break;
+                case 'md5':
+                    // 按照md5的序列分表
+                    $seq    =   (ord(substr(md5($field),0,1)) % $this->partition['num'])+1;
+                    break;
+                default :
+                    if(function_exists($this->partition['type'])) {
+                        // 支持指定函数哈希
+                        $fun    =   $this->partition['type'];
+                        $seq    =   (ord(substr($fun($field),0,1)) % $this->partition['num'])+1;
+                    }else{
+                        // 按照字段的首字母的值分表
+                        $seq    =   (ord($field{0}) % $this->partition['num'])+1;
+                    }
+            }
+            return $this->getTableName().'_'.$seq;
+        }else{
+            // 当设置的分表字段不在查询条件或者数据中
+            // 进行联合查询，必须设定 partition['num']
+            $tableName  =   [];
+            for($i=0;$i<$this->partition['num'];$i++)
+                $tableName[] = 'SELECT * FROM '.$this->getTableName().'_'.($i+1);
+            $tableName = '( '.implode(" UNION ",$tableName).') AS '.$this->name;
+            return $tableName;
+        }
+    }
 }
\ No newline at end of file