diff --git a/base.php b/base.php
index 691bdfe7..2e793cd1 100644
--- a/base.php
+++ b/base.php
@@ -62,7 +62,7 @@ function C($name = '', $value = null, $range = '')
     if (is_null($value)) {
         return think\Config::get($name, $range);
     } else {
-        think\Config::set($name, $value, $range);
+        return think\Config::set($name, $value, $range);
     }
 }
 
@@ -100,7 +100,7 @@ function G($start, $end = '', $dec = 6)
  * @param string $name Model名称 支持指定基础模型 例如 MongoModel:User
  * @param string $tablePrefix 表前缀
  * @param mixed $connection 数据库连接信息
- * @return Model
+ * @return \Think\Model
  */
 function M($name = '', $tablePrefix = '', $connection = '')
 {
@@ -188,9 +188,11 @@ function T($class, $ext = EXT)
 
 /**
  * 抛出异常处理
- * @param string $msg 异常消息
+ *
+ * @param string  $msg  异常消息
  * @param integer $code 异常代码 默认为0
- * @return void
+ *
+ * @throws \think\Exception
  */
 function E($msg, $code = 0)
 {
@@ -213,7 +215,7 @@ function dump($var, $echo = true, $label = null)
  * 渲染输出Widget
  * @param string $name Widget名称
  * @param array $data 传人的参数
- * @return void
+ * @return mixed
  */
 function W($name, $data = [])
 {
@@ -238,7 +240,7 @@ function session($name, $value = '')
         return think\Session::get($name);
     } elseif (is_null($value)) {
         // 删除session
-        return think\Session::delete($name);
+         think\Session::delete($name);
     } else {
         // 设置session
         think\Session::set($name, $value);
diff --git a/library/behavior/content_replace.php b/library/behavior/content_replace.php
index 2a32a302..906f469e 100644
--- a/library/behavior/content_replace.php
+++ b/library/behavior/content_replace.php
@@ -41,8 +41,8 @@ class ContentReplace
             $script_name    =   rtrim($_SERVER['SCRIPT_NAME'],'/');
         }
         define('ROOT_URL',   rtrim(dirname(str_replace("\\","\/",$script_name)),'/'));
-        define('MODULE_URL',    ROOT_URL.'/'.(defined('MODULE_ALIAS')?MODULE_ALIAS:MODULE_NAME);
-        define('CONTROLLER_URL',  MODULE_URL.'/'.CONTROLLER_NAME;
+        define('MODULE_URL',    ROOT_URL.'/'.(defined('MODULE_ALIAS')?MODULE_ALIAS:MODULE_NAME));
+        define('CONTROLLER_URL',  MODULE_URL.'/'.CONTROLLER_NAME);
         define('ACTION_URL',    CONTROLLER_URL.'/'.ACTION_NAME);
 
         // 系统默认的特殊变量替换
diff --git a/library/behavior/location_template.php b/library/behavior/location_template.php
index a7127714..bd7f3095 100644
--- a/library/behavior/location_template.php
+++ b/library/behavior/location_template.php
@@ -27,9 +27,12 @@ class LocationTemplate
 
     /**
      * 自动定位模板文件
-     * @access private
-     * @param string $templateFile 文件名
+     * @access   private
+     *
+     * @param $template
+     *
      * @return string
+     * @internal param string $templateFile 文件名
      */
     private function parseTemplateFile($template)
     {
@@ -39,8 +42,6 @@ class LocationTemplate
             $template = CONTROLLER_NAME . '/' . ACTION_NAME;
         } elseif (false === strpos($template, '/')) {
             $template = CONTROLLER_NAME . '/' . $template;
-        } elseif (false === strpos($template, '.')) {
-            $template = $template;
         }
         $templateFile = MODULE_PATH . 'view/' . $template . '.html';
         return $templateFile;
diff --git a/library/behavior/read_html_cache.php b/library/behavior/read_html_cache.php
index 55615e3c..8659e236 100644
--- a/library/behavior/read_html_cache.php
+++ b/library/behavior/read_html_cache.php
@@ -104,7 +104,7 @@ class ReadHtmlCache
      * @access public
      * @param string $cacheFile  静态文件名
      * @param integer $cacheTime  缓存有效期
-     * @return boolen
+     * @return bool
      */
     public static function checkHTMLCache($cacheFile = '', $cacheTime = '')
     {
diff --git a/library/behavior/token_build.php b/library/behavior/token_build.php
index 96fe3674..0c634215 100644
--- a/library/behavior/token_build.php
+++ b/library/behavior/token_build.php
@@ -8,8 +8,8 @@
 // +----------------------------------------------------------------------
 // | Author: liu21st <liu21st@gmail.com>
 // +----------------------------------------------------------------------
-
 namespace think\behavior;
+use think\Behavior;
 
 /**
  * 系统行为扩展：表单令牌生成
diff --git a/library/org/crypt.php b/library/org/crypt.php
index cb9f7178..4d536e48 100644
--- a/library/org/crypt.php
+++ b/library/org/crypt.php
@@ -15,10 +15,14 @@ class Crypt
 {
     /**
      * 加密字符串
-     * @access public
-     * @param string $str 字符串
+     * @access   public
+     *
+     * @param        $data
      * @param string $key 加密key
+     * @param int    $expire
+     *
      * @return string
+     * @internal param string $str 字符串
      */
     public static function encrypt($data, $key, $expire = 0)
     {
@@ -45,10 +49,13 @@ class Crypt
 
     /**
      * 解密字符串
-     * @access public
-     * @param string $str 字符串
+     * @access   public
+     *
+     * @param        $data
      * @param string $key 加密key
+     *
      * @return string
+     * @internal param string $str 字符串
      */
     public static function decrypt($data, $key)
     {
diff --git a/library/org/image.php b/library/org/image.php
index c34bd165..a6bb34a7 100644
--- a/library/org/image.php
+++ b/library/org/image.php
@@ -45,7 +45,11 @@ class Image
 
     /**
      * 初始化方法，用于实例化一个图片处理对象
+     *
      * @param string $type 要使用的类库，默认使用GD库
+     * @param null   $imgname
+     *
+     * @return resource
      */
     public static function init($type = 'Gd', $imgname = null)
     {
diff --git a/library/org/image/driver/gd.php b/library/org/image/driver/gd.php
index 82a1c624..8424a852 100644
--- a/library/org/image/driver/gd.php
+++ b/library/org/image/driver/gd.php
@@ -11,6 +11,8 @@
 
 namespace think\image\driver;
 
+use Exception;
+
 class Gd
 {
     /**
@@ -18,6 +20,9 @@ class Gd
      * @var resource
      */
     private $im;
+    /**
+     * @var $git \think\image\driver\Gif
+*/
     private $gif;
     /**
      * 图像信息，包括width,height,type,mime,size
@@ -36,7 +41,11 @@ class Gd
 
     /**
      * 打开一张图像
+     *
      * @param  string $imgname 图像路径
+     *
+     * @return $this
+     * @throws \Exception
      */
     public function open($imgname)
     {
@@ -50,7 +59,7 @@ class Gd
 
         //检测图像合法性
         if (false === $info || (IMAGETYPE_GIF === $info[2] && empty($info['bits']))) {
-            throw new \Exception('非法图像文件');
+            throw new Exception('非法图像文件');
         }
 
         //设置图像信息
@@ -78,14 +87,18 @@ class Gd
 
     /**
      * 保存图像
+     *
      * @param  string  $imgname   图像保存名称
      * @param  string  $type      图像类型
      * @param  boolean $interlace 是否对JPEG类型图像设置隔行扫描
+     *
+     * @return $this
+     * @throws Exception
      */
     public function save($imgname, $type = null, $interlace = true)
     {
         if (empty($this->im)) {
-            throw new \Exception('没有可以被保存的图像资源');
+            throw new Exception('没有可以被保存的图像资源');
         }
 
         //自动获取图像类型
@@ -113,12 +126,13 @@ class Gd
 
     /**
      * 返回图像宽度
-     * @return integer 图像宽度
+     * @return int 图像宽度
+     * @throws Exception
      */
     public function width()
     {
         if (empty($this->im)) {
-            throw new \Exception('没有指定图像资源');
+            throw new Exception('没有指定图像资源');
         }
 
         return $this->info['width'];
@@ -126,12 +140,13 @@ class Gd
 
     /**
      * 返回图像高度
-     * @return integer 图像高度
+     * @return int 图像高度
+     * @throws Exception
      */
     public function height()
     {
         if (empty($this->im)) {
-            throw new \Exception('没有指定图像资源');
+            throw new Exception('没有指定图像资源');
         }
 
         return $this->info['height'];
@@ -140,11 +155,12 @@ class Gd
     /**
      * 返回图像类型
      * @return string 图像类型
+     * @throws Exception
      */
     public function type()
     {
         if (empty($this->im)) {
-            throw new \Exception('没有指定图像资源');
+            throw new Exception('没有指定图像资源');
         }
 
         return $this->info['type'];
@@ -153,11 +169,12 @@ class Gd
     /**
      * 返回图像MIME类型
      * @return string 图像MIME类型
+     * @throws Exception
      */
     public function mime()
     {
         if (empty($this->im)) {
-            throw new \Exception('没有指定图像资源');
+            throw new Exception('没有指定图像资源');
         }
 
         return $this->info['mime'];
@@ -166,11 +183,12 @@ class Gd
     /**
      * 返回图像尺寸数组 0 - 图像宽度，1 - 图像高度
      * @return array 图像尺寸
+     * @throws Exception
      */
     public function size()
     {
         if (empty($this->im)) {
-            throw new \Exception('没有指定图像资源');
+            throw new Exception('没有指定图像资源');
         }
 
         return [$this->info['width'], $this->info['height']];
@@ -178,17 +196,21 @@ class Gd
 
     /**
      * 裁剪图像
+     *
      * @param  integer $w      裁剪区域宽度
      * @param  integer $h      裁剪区域高度
      * @param  integer $x      裁剪区域x坐标
      * @param  integer $y      裁剪区域y坐标
      * @param  integer $width  图像保存宽度
      * @param  integer $height 图像保存高度
+     *
+     * @return $this
+     * @throws Exception
      */
     public function crop($w, $h, $x = 0, $y = 0, $width = null, $height = null)
     {
         if (empty($this->im)) {
-            throw new \Exception('没有可以被裁剪的图像资源');
+            throw new Exception('没有可以被裁剪的图像资源');
         }
 
         //设置保存尺寸
@@ -217,14 +239,18 @@ class Gd
 
     /**
      * 生成缩略图
+     *
      * @param  integer $width  缩略图最大宽度
      * @param  integer $height 缩略图最大高度
-     * @param  integer $type   缩略图裁剪类型
+     * @param int      $type   缩略图裁剪类型
+     *
+     * @return $this
+     * @throws Exception
      */
-    public function thumb($width, $height, $type = THINKIMAGE_THUMB_SCALE)
+    public function thumb($width, $height, $type = THINKIMAGE_THUMB_SCALING)
     {
         if (empty($this->im)) {
-            throw new \Exception('没有可以被缩略的图像资源');
+            throw new Exception('没有可以被缩略的图像资源');
         }
 
         //原图宽度和高度
@@ -237,7 +263,7 @@ class Gd
             case THINKIMAGE_THUMB_SCALING:
                 //原图尺寸小于缩略图尺寸则不进行缩略
                 if ($w < $width && $h < $height) {
-                    return;
+                    return false;
                 }
 
                 //计算缩放比例
@@ -296,6 +322,8 @@ class Gd
                 //设置缩略图的坐标及宽度和高度
                 $neww = $w * $scale;
                 $newh = $h * $scale;
+                $x = $this->info['width'] - $w;
+                $y = $this->info['height'] - $h;
                 $posx = ($width - $w * $scale) / 2;
                 $posy = ($height - $h * $scale) / 2;
 
@@ -322,7 +350,7 @@ class Gd
                 break;
 
             default:
-                throw new \Exception('不支持的缩略图裁剪类型');
+                throw new Exception('不支持的缩略图裁剪类型');
         }
 
         /* 裁剪图像 */
@@ -332,25 +360,29 @@ class Gd
 
     /**
      * 添加水印
-     * @param  string  $source 水印图片路径
-     * @param  integer $locate 水印位置
-     * @param  integer $alpha  水印透明度
+     *
+     * @param  string $source 水印图片路径
+     * @param int     $locate 水印位置
+     *
+     * @return $this
+     * @throws Exception
+     * @internal param int $alpha 水印透明度
      */
     public function water($source, $locate = THINKIMAGE_WATER_SOUTHEAST)
     {
         //资源检测
         if (empty($this->im)) {
-            throw new \Exception('没有可以被添加水印的图像资源');
+            throw new Exception('没有可以被添加水印的图像资源');
         }
 
         if (!is_file($source)) {
-            throw new \Exception('水印图像不存在');
+            throw new Exception('水印图像不存在');
         }
 
         //获取水印图像信息
         $info = getimagesize($source);
         if (false === $info || (IMAGETYPE_GIF === $info[2] && empty($info['bits']))) {
-            throw new \Exception('非法水印文件');
+            throw new Exception('非法水印文件');
         }
 
         //创建水印图像资源
@@ -420,7 +452,7 @@ class Gd
                 if (is_array($locate)) {
                     list($x, $y) = $locate;
                 } else {
-                    throw new \Exception('不支持的水印位置类型');
+                    throw new Exception('不支持的水印位置类型');
                 }
         }
 
@@ -446,23 +478,27 @@ class Gd
 
     /**
      * 图像添加文字
+     *
      * @param  string  $text   添加的文字
      * @param  string  $font   字体路径
      * @param  integer $size   字号
      * @param  string  $color  文字颜色
-     * @param  integer $locate 文字写入位置
+     * @param int      $locate 文字写入位置
      * @param  integer $offset 文字相对当前位置的偏移量
      * @param  integer $angle  文字倾斜角度
+     *
+     * @return $this
+     * @throws Exception
      */
     public function text($text, $font, $size, $color = '#00000000',
         $locate = THINKIMAGE_WATER_SOUTHEAST, $offset = 0, $angle = 0) {
         //资源检测
         if (empty($this->im)) {
-            throw new \Exception('没有可以被写入文字的图像资源');
+            throw new Exception('没有可以被写入文字的图像资源');
         }
 
         if (!is_file($font)) {
-            throw new \Exception("不存在的字体文件：{$font}");
+            throw new Exception("不存在的字体文件：{$font}");
         }
 
         //获取文字信息
@@ -536,7 +572,7 @@ class Gd
                     $x += $posx;
                     $y += $posy;
                 } else {
-                    throw new \Exception('不支持的文字位置类型');
+                    throw new Exception('不支持的文字位置类型');
                 }
         }
 
@@ -557,7 +593,7 @@ class Gd
                 $color[3] = 0;
             }
         } elseif (!is_array($color)) {
-            throw new \Exception('错误的颜色值');
+            throw new Exception('错误的颜色值');
         }
 
         do {
diff --git a/library/org/image/driver/gif.php b/library/org/image/driver/gif.php
index c244ce60..0b50b258 100644
--- a/library/org/image/driver/gif.php
+++ b/library/org/image/driver/gif.php
@@ -10,9 +10,6 @@
 // +----------------------------------------------------------------------
 
 namespace think\image\driver;
-
-use think\image\driver\GIFDecoder as GIFDecoder;
-use think\image\driver\GIFEncoder as GIFEncoder;
 class Gif
 {
     /**
@@ -44,7 +41,7 @@ class Gif
                 $de           = new GIFDecoder($src);
                 $this->frames = $de->GIFGetFrames();
                 $this->delays = $de->GIFGetDelays();
-            } catch (Exception $e) {
+            } catch (\Exception $e) {
                 throw new \Exception("解码GIF图片出错");
             }
         }
@@ -53,7 +50,7 @@ class Gif
     /**
      * 设置或获取当前帧的数据
      * @param  string $stream 二进制数据流
-     * @return boolean        获取到的数据
+     * @return mixed        获取到的数据
      */
     public function image($stream = null)
     {
@@ -85,7 +82,6 @@ class Gif
     }
 
 }
-
 /*
 :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 ::
@@ -110,8 +106,7 @@ class Gif
 ::
 :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
  */
-
-class GIFEncoder
+class GIFEncode
 {
     public $GIF = "GIF89a"; /* GIF header 6 bytes    */
     public $VER = "GIFEncoder V2.05"; /* Encoder version        */
@@ -139,14 +134,14 @@ class GIFEncoder
         $GIF_src, $GIF_dly, $GIF_lop, $GIF_dis,
         $GIF_red, $GIF_grn, $GIF_blu, $GIF_mod
     ) {
-        if (!is_array($GIF_src) && !is_array($GIF_tim)) {
+        if (!is_array($GIF_src)) {
             printf("%s: %s", $this->VER, $this->ERR['ERR00']);
             exit(0);
         }
         $this->LOP = ($GIF_lop > -1) ? $GIF_lop : 0;
         $this->DIS = ($GIF_dis > -1) ? (($GIF_dis < 3) ? $GIF_dis : 3) : 2;
         $this->COL = ($GIF_red > -1 && $GIF_grn > -1 && $GIF_blu > -1) ?
-        ($GIF_red | ($GIF_grn << 8) | ($GIF_blu << 16)) : -1;
+            ($GIF_red | ($GIF_grn << 8) | ($GIF_blu << 16)) : -1;
 
         for ($i = 0; $i < count($GIF_src); $i++) {
             if (strToLower($GIF_mod) == "url") {
@@ -163,23 +158,23 @@ class GIFEncoder
             }
             for ($j = (13 + 3 * (2 << (ord($this->BUF[$i]{10}) & 0x07))), $k = true; $k; $j++) {
                 switch ($this->BUF[$i]{ $j}) {
-                case "!":
-                    if ((substr($this->BUF[$i], ($j + 3), 8)) == "NETSCAPE") {
-                        printf("%s: %s ( %s source )!", $this->VER, $this->ERR['ERR03'], ($i + 1));
-                        exit(0);
-                    }
-                    break;
-                case ";":
-                    $k = false;
-                    break;
+                    case "!":
+                        if ((substr($this->BUF[$i], ($j + 3), 8)) == "NETSCAPE") {
+                            printf("%s: %s ( %s source )!", $this->VER, $this->ERR['ERR03'], ($i + 1));
+                            exit(0);
+                        }
+                        break;
+                    case ";":
+                        $k = false;
+                        break;
                 }
             }
         }
-        GIFEncoder::GIFAddHeader();
+        self::GIFAddHeader();
         for ($i = 0; $i < count($this->BUF); $i++) {
-            GIFEncoder::GIFAddFrames($i, $GIF_dly[$i]);
+            self::GIFAddFrames($i, $GIF_dly[$i]);
         }
-        GIFEncoder::GIFAddFooter();
+        self::GIFAddFooter();
     }
     /*
     :::::::::::::::::::::::::::::::::::::::::::::::::::
@@ -189,14 +184,13 @@ class GIFEncoder
      */
     public function GIFAddHeader()
     {
-        $cmap = 0;
 
         if (ord($this->BUF[0]{10}) & 0x80) {
             $cmap = 3 * (2 << (ord($this->BUF[0]{10}) & 0x07));
 
             $this->GIF .= substr($this->BUF[0], 6, 7);
             $this->GIF .= substr($this->BUF[0], 13, $cmap);
-            $this->GIF .= "!\377\13NETSCAPE2.0\3\1" . GIFEncoder::GIFWord($this->LOP) . "\0";
+            $this->GIF .= "!\377\13NETSCAPE2.0\3\1" . self::GIFWord($this->LOP) . "\0";
         }
     }
     /*
@@ -207,7 +201,7 @@ class GIFEncoder
      */
     public function GIFAddFrames($i, $d)
     {
-
+        $Locals_img='';
         $Locals_str = 13 + 3 * (2 << (ord($this->BUF[$i]{10}) & 0x07));
 
         $Locals_end = strlen($this->BUF[$i]) - $Locals_str - 1;
@@ -217,12 +211,12 @@ class GIFEncoder
         $Locals_len = 2 << (ord($this->BUF[$i]{10}) & 0x07);
 
         $Global_rgb = substr($this->BUF[0], 13,
-            3 * (2 << (ord($this->BUF[0]{10}) & 0x07)));
+                             3 * (2 << (ord($this->BUF[0]{10}) & 0x07)));
         $Locals_rgb = substr($this->BUF[$i], 13,
-            3 * (2 << (ord($this->BUF[$i]{10}) & 0x07)));
+                             3 * (2 << (ord($this->BUF[$i]{10}) & 0x07)));
 
         $Locals_ext = "!\xF9\x04" . chr(($this->DIS << 2) + 0) .
-        chr(($d >> 0) & 0xFF) . chr(($d >> 8) & 0xFF) . "\x0\x0";
+            chr(($d >> 0) & 0xFF) . chr(($d >> 8) & 0xFF) . "\x0\x0";
 
         if ($this->COL > -1 && ord($this->BUF[$i]{10}) & 0x80) {
             for ($j = 0; $j < (2 << (ord($this->BUF[$i]{10}) & 0x07)); $j++) {
@@ -232,24 +226,27 @@ class GIFEncoder
                     ord($Locals_rgb{3 * $j + 2}) == (($this->COL >> 0) & 0xFF)
                 ) {
                     $Locals_ext = "!\xF9\x04" . chr(($this->DIS << 2) + 1) .
-                    chr(($d >> 0) & 0xFF) . chr(($d >> 8) & 0xFF) . chr($j) . "\x0";
+                        chr(($d >> 0) & 0xFF) . chr(($d >> 8) & 0xFF) . chr($j) . "\x0";
                     break;
                 }
             }
         }
         switch ($Locals_tmp{0}) {
-        case "!":
-            $Locals_img = substr($Locals_tmp, 8, 10);
-            $Locals_tmp = substr($Locals_tmp, 18, strlen($Locals_tmp) - 18);
-            break;
-        case ",":
-            $Locals_img = substr($Locals_tmp, 0, 10);
-            $Locals_tmp = substr($Locals_tmp, 10, strlen($Locals_tmp) - 10);
-            break;
+            case "!":
+                /**
+                 * @var string $Locals_img;
+                 */
+                $Locals_img = substr($Locals_tmp, 8, 10);
+                $Locals_tmp = substr($Locals_tmp, 18, strlen($Locals_tmp) - 18);
+                break;
+            case ",":
+                $Locals_img = substr($Locals_tmp, 0, 10);
+                $Locals_tmp = substr($Locals_tmp, 10, strlen($Locals_tmp) - 10);
+                break;
         }
         if (ord($this->BUF[$i]{10}) & 0x80 && $this->IMG > -1) {
             if ($Global_len == $Locals_len) {
-                if (GIFEncoder::GIFBlockCompare($Global_rgb, $Locals_rgb, $Global_len)) {
+                if (self::GIFBlockCompare($Global_rgb, $Locals_rgb, $Global_len)) {
                     $this->GIF .= ($Locals_ext . $Locals_img . $Locals_tmp);
                 } else {
                     $byte = ord($Locals_img{9});
@@ -460,7 +457,6 @@ class GIFDecoder
      */
     public function GIFReadDescriptor()
     {
-        $GIF_screen = array();
 
         GIFDecoder::GIFGetByte(9);
         $GIF_screen = $this->GIF_buffer;
diff --git a/library/org/oauth/driver/baidu.php b/library/org/oauth/driver/baidu.php
index d3baedbd..56823f14 100644
--- a/library/org/oauth/driver/baidu.php
+++ b/library/org/oauth/driver/baidu.php
@@ -38,7 +38,7 @@ class Baidu extends Driver
      * @param  string $api    百度API
      * @param  string $param  调用API的额外参数
      * @param  string $method HTTP请求方法 默认为GET
-     * @return json
+     * @return array
      */
     public function call($api, $param = '', $method = 'GET')
     {
diff --git a/library/org/parser.php b/library/org/parser.php
index 8586485c..0928137b 100644
--- a/library/org/parser.php
+++ b/library/org/parser.php
@@ -15,6 +15,9 @@ namespace think;
 class Parser
 {
 
+    /**
+     * @var array $handler
+     */
     private static $handler = [];
 
     // 解析内容
diff --git a/library/org/validate.php b/library/org/validate.php
index a0d77181..66ad7161 100644
--- a/library/org/validate.php
+++ b/library/org/validate.php
@@ -34,10 +34,13 @@ class Validate
 
     /**
      * 自动表单验证
-     * @access protected
+     * @access   protected
+     *
      * @param array $data 创建数据
-     * @param string $type 创建类型
-     * @return boolean
+     * @param array $rule
+     *
+     * @return bool
+     * @internal param string $type 创建类型
      */
     public function valid($data, $rule = [])
     {
@@ -96,7 +99,7 @@ class Validate
                 return false;
             }
         }
-        return;
+        return true;
     }
 
     /**
diff --git a/library/think/app.php b/library/think/app.php
index 56a6e7f0..e4546e76 100644
--- a/library/think/app.php
+++ b/library/think/app.php
@@ -66,8 +66,9 @@ class App
         // 执行操作
         if (!preg_match('/^[A-Za-z](\/|\.|\w)*$/', CONTROLLER_NAME)) {
             // 安全检测
-            $instance = false;
-        } elseif ($config['action_bind_class']) {
+            throw new Exception('[ ' . MODULE_NAME . '\\' . CONTROLLER_LAYER . '\\' . Loader::parseName(str_replace('.', '\\', CONTROLLER_NAME), 1) . ' ] not exists');
+        }
+        if ($config['action_bind_class']) {
             $class    = self::bindActionClass($config['empty_controller']);
             $instance = new $class;
             // 操作绑定到类后 固定执行run入口
@@ -77,9 +78,6 @@ class App
             // 获取当前操作名
             $action = ACTION_NAME . $config['action_suffix'];
         }
-        if (!$instance) {
-            throw new Exception('[ ' . MODULE_NAME . '\\' . CONTROLLER_LAYER . '\\' . Loader::parseName(str_replace('.', '\\', CONTROLLER_NAME), 1) . ' ] not exists');
-        }
 
         try {
             // 操作方法开始监听
@@ -213,7 +211,10 @@ class App
     /**
      * URL调度
      * @access public
-     * @return void
+     *
+     * @param $config
+     *
+     * @throws Exception
      */
     public static function dispatch($config)
     {
diff --git a/library/think/behavior.php b/library/think/behavior.php
new file mode 100644
index 00000000..9b40a768
--- /dev/null
+++ b/library/think/behavior.php
@@ -0,0 +1,54 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+namespace think;
+/**
+ * ThinkPHP Behavior基础类
+ * @category   Think
+ * @package  Think
+ * @subpackage  Core
+ * @author liu21st <liu21st@gmail.com>
+ */
+abstract class Behavior {
+
+    // 行为参数 和配置参数设置相同
+    protected $options =  array();
+
+   /**
+     * 架构函数
+     * @access public
+     */
+    public function __construct() {
+        if(!empty($this->options)) {
+            foreach ($this->options as $name=>$val){
+                if(NULL !== C($name)) { // 参数已设置 则覆盖行为参数
+                    $this->options[$name]  =  C($name);
+                }else{ // 参数未设置 则传入默认值到配置
+                    C($name,$val);
+                }
+            }
+            array_change_key_case($this->options);
+        }
+    }
+    
+    // 获取行为参数
+    public function __get($name){
+        return $this->options[strtolower($name)];
+    }
+
+    /**
+     * 执行行为 run方法是Behavior唯一的接口
+     * @access public
+     * @param mixed $params  行为参数
+     * @return void
+     */
+    abstract public function run(&$params);
+
+}
\ No newline at end of file
diff --git a/library/think/cache/driver/apc.php b/library/think/cache/driver/apc.php
index b49c4166..554856e6 100644
--- a/library/think/cache/driver/apc.php
+++ b/library/think/cache/driver/apc.php
@@ -28,7 +28,10 @@ class Apc
 
     /**
      * 架构函数
+     *
      * @param array $options 缓存参数
+     *
+     * @throws Exception
      * @access public
      */
     public function __construct($options = [])
@@ -58,7 +61,7 @@ class Apc
      * @param string $name 缓存变量名
      * @param mixed $value  存储数据
      * @param integer $expire  有效时间（秒）
-     * @return boolen
+     * @return bool
      */
     public function set($name, $value, $expire = null)
     {
@@ -89,11 +92,12 @@ class Apc
         return $result;
     }
 
-    /**
-     * 删除缓存
+    /**删除缓存
      * @access public
+     *
      * @param string $name 缓存变量名
-     * @return boolen
+     *
+     * @return bool|\string[]
      */
     public function rm($name)
     {
@@ -103,7 +107,7 @@ class Apc
     /**
      * 清除缓存
      * @access public
-     * @return boolen
+     * @return bool
      */
     public function clear()
     {
diff --git a/library/think/cache/driver/memcache.php b/library/think/cache/driver/memcache.php
index 8813fce5..b037ee38 100644
--- a/library/think/cache/driver/memcache.php
+++ b/library/think/cache/driver/memcache.php
@@ -72,7 +72,7 @@ class Memcache
      * @param string $name 缓存变量名
      * @param mixed $value  存储数据
      * @param integer $expire  有效时间（秒）
-     * @return boolen
+     * @return bool
      */
     public function set($name, $value, $expire = null)
     {
@@ -106,9 +106,11 @@ class Memcache
 
     /**
      * 删除缓存
-     * @access public
-     * @param string $name 缓存变量名
-     * @return boolen
+     *
+     * @param    string  $name 缓存变量名
+     * @param bool|false $ttl
+     *
+     * @return bool
      */
     public function rm($name, $ttl = false)
     {
@@ -121,7 +123,7 @@ class Memcache
     /**
      * 清除缓存
      * @access public
-     * @return boolen
+     * @return bool
      */
     public function clear()
     {
diff --git a/library/think/cache/driver/redis.php b/library/think/cache/driver/redis.php
index b79ff00d..8771b3df 100644
--- a/library/think/cache/driver/redis.php
+++ b/library/think/cache/driver/redis.php
@@ -67,7 +67,7 @@ class Redis
      * @param string $name 缓存变量名
      * @param mixed $value  存储数据
      * @param integer $expire  有效时间（秒）
-     * @return boolen
+     * @return boolean
      */
     public function set($name, $value, $expire = null)
     {
@@ -107,7 +107,7 @@ class Redis
      * 删除缓存
      * @access public
      * @param string $name 缓存变量名
-     * @return boolen
+     * @return boolean
      */
     public function rm($name)
     {
@@ -117,7 +117,7 @@ class Redis
     /**
      * 清除缓存
      * @access public
-     * @return boolen
+     * @return boolean
      */
     public function clear()
     {
diff --git a/library/think/cache/driver/secache.php b/library/think/cache/driver/secache.php
index 0309ec7f..5c7f541b 100644
--- a/library/think/cache/driver/secache.php
+++ b/library/think/cache/driver/secache.php
@@ -65,7 +65,7 @@ class Secache
      * @param string $name 缓存变量名
      * @param mixed $value  存储数据
      * @param integer $expire  有效时间（秒）
-     * @return boolen
+     * @return boolean
      */
     public function set($name, $value)
     {
diff --git a/library/think/cache/driver/simple.php b/library/think/cache/driver/simple.php
index b7aade65..cd561072 100644
--- a/library/think/cache/driver/simple.php
+++ b/library/think/cache/driver/simple.php
@@ -26,6 +26,8 @@ class Simple
     /**
      * 架构函数
      * @access public
+     *
+     * @param array $options
      */
     public function __construct($options = [])
     {
@@ -67,13 +69,15 @@ class Simple
 
     /**
      * 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
-     * @return boolen
+     * @access   public
+     *
+     * @param string $name  缓存变量名
+     * @param mixed  $value 存储数据
+     *
+     * @return bool
+     * @internal param int $expire 有效时间 0为永久
      */
-    public function set($name, $value, $expire = null)
+    public function set($name, $value)
     {
         $filename = $this->filename($name);
         // 缓存数据
@@ -88,7 +92,7 @@ class Simple
      * 删除缓存
      * @access public
      * @param string $name 缓存变量名
-     * @return boolen
+     * @return boolean
      */
     public function rm($name)
     {
@@ -97,9 +101,9 @@ class Simple
 
     /**
      * 清除缓存
-     * @access public
-     * @param string $name 缓存变量名
-     * @return boolen
+     * @access   public
+     * @return bool
+     * @internal param string $name 缓存变量名
      */
     public function clear()
     {
diff --git a/library/think/cache/driver/sqlite.php b/library/think/cache/driver/sqlite.php
index 50f42018..e4de8367 100644
--- a/library/think/cache/driver/sqlite.php
+++ b/library/think/cache/driver/sqlite.php
@@ -31,7 +31,10 @@ class Sqlite
 
     /**
      * 架构函数
+     *
      * @param array $options 缓存参数
+     *
+     * @throws Exception
      * @access public
      */
     public function __construct($options = [])
@@ -74,7 +77,7 @@ class Sqlite
      * @param string $name 缓存变量名
      * @param mixed $value  存储数据
      * @param integer $expire  有效时间（秒）
-     * @return boolen
+     * @return boolean
      */
     public function set($name, $value, $expire = null)
     {
@@ -103,7 +106,7 @@ class Sqlite
      * 删除缓存
      * @access public
      * @param string $name 缓存变量名
-     * @return boolen
+     * @return boolean
      */
     public function rm($name)
     {
@@ -116,7 +119,7 @@ class Sqlite
     /**
      * 清除缓存
      * @access public
-     * @return boolen
+     * @return boolean
      */
     public function clear()
     {
diff --git a/library/think/cache/driver/wincache.php b/library/think/cache/driver/wincache.php
index 9364f48d..99b5a87c 100644
--- a/library/think/cache/driver/wincache.php
+++ b/library/think/cache/driver/wincache.php
@@ -28,7 +28,10 @@ class Wincache
 
     /**
      * 架构函数
+     *
      * @param array $options 缓存参数
+     *
+     * @throws Exception
      * @access public
      */
     public function __construct($options = [])
@@ -59,7 +62,7 @@ class Wincache
      * @param string $name 缓存变量名
      * @param mixed $value  存储数据
      * @param integer $expire  有效时间（秒）
-     * @return boolen
+     * @return boolean
      */
     public function set($name, $value, $expire = null)
     {
@@ -95,7 +98,7 @@ class Wincache
      * 删除缓存
      * @access public
      * @param string $name 缓存变量名
-     * @return boolen
+     * @return boolean
      */
     public function rm($name)
     {
@@ -105,7 +108,7 @@ class Wincache
     /**
      * 清除缓存
      * @access public
-     * @return boolen
+     * @return boolean
      */
     public function clear()
     {
diff --git a/library/think/cache/driver/xcache.php b/library/think/cache/driver/xcache.php
index 2e0c16dc..f1f3fc0b 100644
--- a/library/think/cache/driver/xcache.php
+++ b/library/think/cache/driver/xcache.php
@@ -62,7 +62,7 @@ class Xcache
      * @param string $name 缓存变量名
      * @param mixed $value  存储数据
      * @param integer $expire  有效时间（秒）
-     * @return boolen
+     * @return boolean
      */
     public function set($name, $value, $expire = null)
     {
@@ -98,7 +98,7 @@ class Xcache
      * 删除缓存
      * @access public
      * @param string $name 缓存变量名
-     * @return boolen
+     * @return boolean
      */
     public function rm($name)
     {
@@ -108,7 +108,7 @@ class Xcache
     /**
      * 清除缓存
      * @access public
-     * @return boolen
+     * @return boolean
      */
     public function clear()
     {
diff --git a/library/think/controller.php b/library/think/controller.php
index db684151..98853d33 100644
--- a/library/think/controller.php
+++ b/library/think/controller.php
@@ -26,6 +26,8 @@ class Controller
     /**
      * 架构函数 初始化视图类 并采用内置模板引擎
      * @access public
+     *
+     * @param array $config
      */
     public function __construct($config = [])
     {
@@ -63,8 +65,8 @@ class Controller
                     $this->config[$key] = $config[$key];
                 }
             }
-            return $this;
         }
+        return $this;
     }
 
     /**
diff --git a/library/think/controller/rest.php b/library/think/controller/rest.php
index 4b6d2009..8ffca2ee 100644
--- a/library/think/controller/rest.php
+++ b/library/think/controller/rest.php
@@ -57,9 +57,12 @@ abstract class rest
     /**
      * REST 调用
      * @access public
+     *
      * @param string $method 方法名
-     * @param array $args 参数
+     * @param array  $args   参数
+     *
      * @return mixed
+     * @throws \think\Exception
      */
     public function _empty($method, $args)
     {
diff --git a/library/think/cookie.php b/library/think/cookie.php
index 879e03f1..9fa6e900 100644
--- a/library/think/cookie.php
+++ b/library/think/cookie.php
@@ -51,17 +51,19 @@ class Cookie
     {
         if (empty($prefix)) {
             return self::$config['prefix'];
-        } else {
-            self::$config['prefix'] = $prefix;
         }
+        self::$config['prefix'] = $prefix;
     }
 
     /**
      * Cookie 设置、获取、删除
-     * @param string $name cookie名称
-     * @param mixed $value cookie值
-     * @param mixed $options cookie参数
+     *
+     * @param string $name  cookie名称
+     * @param mixed  $value cookie值
+     * @param null   $option
+     *
      * @return mixed
+     * @internal param mixed $options cookie参数
      */
     public static function set($name, $value = '', $option = null)
     {
diff --git a/library/think/db/driver/mongo.php b/library/think/db/driver/mongo.php
index 9430cc67..8eda7ea1 100644
--- a/library/think/db/driver/mongo.php
+++ b/library/think/db/driver/mongo.php
@@ -32,7 +32,10 @@ class Mongo extends Driver
     /**
      * 架构函数 读取数据库配置信息
      * @access public
-     * @param array $config 数据库配置数组
+     *
+     * @param array|string $config 数据库配置数组
+     *
+     * @throws Exception
      */
     public function __construct($config = '')
     {
@@ -45,11 +48,18 @@ class Mongo extends Driver
                 $this->config['params'] = [];
             }
         }
+        $this->config = $config;
     }
 
     /**
      * 连接数据库方法
      * @access public
+     *
+     * @param string $config
+     * @param int    $linkNum
+     *
+     * @return
+     * @throws Exception
      */
     public function connect($config = '', $linkNum = 0)
     {
@@ -71,10 +81,12 @@ class Mongo extends Driver
     /**
      * 切换当前操作的Db和Collection
      * @access public
-     * @param string $collection  collection
-     * @param string $db  db
-     * @param boolean $master 是否主服务器
-     * @return void
+     *
+     * @param string  $collection collection
+     * @param string  $db         db
+     * @param boolean $master     是否主服务器
+     *
+     * @throws Exception
      */
     public function switchCollection($collection, $db = '', $master = true)
     {
@@ -137,9 +149,12 @@ class Mongo extends Driver
     /**
      * 执行语句
      * @access public
-     * @param string $code  sql指令
-     * @param array $args  参数
+     *
+     * @param string $code sql指令
+     * @param array  $args 参数
+     *
      * @return mixed
+     * @throws Exception
      */
     public function execute($code, $args = [])
     {
@@ -185,10 +200,13 @@ class Mongo extends Driver
     /**
      * 插入记录
      * @access public
-     * @param mixed $data 数据
-     * @param array $options 参数表达式
+     *
+     * @param mixed   $data    数据
+     * @param array   $options 参数表达式
      * @param boolean $replace 是否replace
-     * @return false | integer
+     *
+     * @return false|int
+     * @throws Exception
      */
     public function insert($data, $options = [], $replace = false)
     {
@@ -222,9 +240,12 @@ class Mongo extends Driver
     /**
      * 插入多条记录
      * @access public
+     *
      * @param array $dataList 数据
-     * @param array $options 参数表达式
+     * @param array $options  参数表达式
+     *
      * @return bool
+     * @throws Exception
      */
     public function insertAll($dataList, $options = [])
     {
@@ -246,8 +267,11 @@ class Mongo extends Driver
     /**
      * 生成下一条记录ID 用于自增非MongoId主键
      * @access public
+     *
      * @param string $pk 主键名
-     * @return integer
+     *
+     * @return int
+     * @throws Exception
      */
     public function getMongoNextId($pk)
     {
@@ -268,9 +292,12 @@ class Mongo extends Driver
     /**
      * 更新记录
      * @access public
-     * @param mixed $data 数据
+     *
+     * @param mixed $data    数据
      * @param array $options 表达式
+     *
      * @return bool
+     * @throws Exception
      */
     public function update($data, $options)
     {
diff --git a/library/think/db/driver/mysql.php b/library/think/db/driver/mysql.php
index 83a1c8da..aa1434b6 100644
--- a/library/think/db/driver/mysql.php
+++ b/library/think/db/driver/mysql.php
@@ -42,6 +42,9 @@ class Mysql extends Driver
     /**
      * 取得数据表的字段信息
      * @access public
+     * @param $tableName
+     *
+     * @return array
      */
     public function getFields($tableName)
     {
@@ -68,6 +71,10 @@ class Mysql extends Driver
     /**
      * 取得数据库的表信息
      * @access public
+     *
+     * @param string $dbName
+     *
+     * @return array
      */
     public function getTables($dbName = '')
     {
diff --git a/library/think/db/driver/oracle.php b/library/think/db/driver/oracle.php
index 0c9fe229..ce7d94eb 100644
--- a/library/think/db/driver/oracle.php
+++ b/library/think/db/driver/oracle.php
@@ -94,6 +94,10 @@ class Oracle extends Driver
     /**
      * 取得数据表的字段信息
      * @access public
+     *
+     * @param $tableName
+     *
+     * @return array
      */
     public function getFields($tableName)
     {
@@ -120,9 +124,11 @@ class Oracle extends Driver
 
     /**
      * 取得数据库的表信息（暂时实现取得用户表信息）
-     * @access public
+     * @access   public
+     * @return array
+     * @internal param string $dbName
      */
-    public function getTables($dbName = '')
+    public function getTables()
     {
         $result = $this->query("select table_name from user_tables");
         $info   = [];
@@ -151,10 +157,11 @@ class Oracle extends Driver
         }
         return $limitStr ? ' WHERE ' . $limitStr : '';
     }
-
     /**
      * 设置锁机制
      * @access protected
+     * @param bool|false $lock
+     *
      * @return string
      */
     protected function parseLock($lock = false)
diff --git a/library/think/db/lite.php b/library/think/db/lite.php
index 047cbb3b..0331fed8 100644
--- a/library/think/db/lite.php
+++ b/library/think/db/lite.php
@@ -332,6 +332,7 @@ class Lite
      * 并显示当前的SQL语句
      * @access public
      * @return string
+     * @throws Exception
      */
     public function error()
     {
diff --git a/library/think/error.php b/library/think/error.php
index 6a6e68ec..de02e734 100644
--- a/library/think/error.php
+++ b/library/think/error.php
@@ -84,9 +84,11 @@ class Error
 
     /**
      * 错误输出
+     *
      * @param mixed $error 错误
-     * @param int $errno 错误代码
-     * @return void
+     * @param int   $code
+     *
+     * @internal param int $errno 错误代码
      */
     public static function halt($error, $code = 1)
     {
@@ -99,7 +101,8 @@ class Error
             $data['code'] = $code;
             $data['msg']  = $message;
             $data['time'] = NOW_TIME;
-            exit(Response::returnData($data));
+            Response::returnData($data);
+            exit();
         }
         $e = [];
         if (APP_DEBUG) {
diff --git a/library/think/input.php b/library/think/input.php
index 10917307..1f0c6dce 100644
--- a/library/think/input.php
+++ b/library/think/input.php
@@ -159,10 +159,16 @@ class Input
 
     /**
      * 获取系统变量 支持过滤和默认值
-     * @access public
-     * @param string $method 输入数据类型
-     * @param array $args 参数 [key,filter,default]
+     * @access   public
+     *
+     * @param $name
+     * @param $input
+     * @param $filter
+     * @param $default
+     *
      * @return mixed
+     * @internal param string $method 输入数据类型
+     * @internal param array $args 参数 [key,filter,default]
      */
     private static function getData($name, $input, $filter, $default)
     {
diff --git a/library/think/loader.php b/library/think/loader.php
index 89664edf..fbb89de4 100644
--- a/library/think/loader.php
+++ b/library/think/loader.php
@@ -229,12 +229,14 @@ class Loader
             return false;
         }
     }
-
     /**
      * 取得对象实例 支持调用类的静态方法
-     * @param string $class 对象类名
+     *
+     * @param string $class  对象类名
      * @param string $method 类的静态方法名
-     * @return object
+     *
+     * @return mixed
+     * @throws Exception
      */
     public static function instance($class, $method = '')
     {
@@ -244,7 +246,7 @@ class Loader
             if (class_exists($class)) {
                 $o = new $class();
                 if (!empty($method) && method_exists($o, $method)) {
-                    $_instance[$identify] = call_user_func_array([ & $o, $method]);
+                    $_instance[$identify] = call_user_func_array([ & $o, $method],[]);
                 } else {
                     $_instance[$identify] = $o;
                 }
diff --git a/library/think/log.php b/library/think/log.php
index 28403b38..ba0d7e94 100644
--- a/library/think/log.php
+++ b/library/think/log.php
@@ -29,11 +29,12 @@ class Log
 
     /**
      * 记录日志 并且会过滤未经设置的级别
-     * @access public
+     * @access   public
+     *
      * @param string $message 日志信息
-     * @param string $level  日志级别
-     * @param boolean $record  是否强制记录
-     * @return void
+     * @param string $level   日志级别
+     *
+     * @internal param bool $record 是否强制记录
      */
     public static function record($message, $level = 'INFO')
     {
diff --git a/library/think/model/mongo_model.php b/library/think/model/mongo_model.php
index e40845fe..6958e5c8 100644
--- a/library/think/model/mongo_model.php
+++ b/library/think/model/mongo_model.php
@@ -36,9 +36,12 @@ class MongoModel extends \Think\Model
     /**
      * 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
+     * @param array  $args   调用参数
+     *
      * @return mixed
+     * @throws \think\Exception
      */
     public function __call($method, $args)
     {
@@ -54,7 +57,6 @@ class MongoModel extends \Think\Model
             return $this->where($where)->getField($args[1]);
         } else {
             throw new \think\Exception(__CLASS__ . ':' . $method . Lang::get('_METHOD_NOT_EXIST_'));
-            return;
         }
     }
 
diff --git a/library/think/session.php b/library/think/session.php
index b8574f14..6f4b1fbf 100644
--- a/library/think/session.php
+++ b/library/think/session.php
@@ -179,9 +179,12 @@ class Session
 
     /**
      * 判断session数据
+     *
      * @param string $name session名称
-     * @param mixed $value session值
-     * @return boolean
+     * @param string $prefix
+     *
+     * @return bool
+     * @internal param mixed $value session值
      */
     public static function has($name, $prefix = '')
     {
diff --git a/library/think/template/taglib.php b/library/think/template/taglib.php
index 395ff5a1..7ee296ba 100644
--- a/library/think/template/taglib.php
+++ b/library/think/template/taglib.php
@@ -74,9 +74,14 @@ class TagLib
 
     /**
      * TagLib标签属性分析 返回标签属性数组
-     * @access public
-     * @param string $tagStr 标签内容
+     * @access   public
+     *
+     * @param $attr
+     * @param $tag
+     *
      * @return array
+     * @throws Exception
+     * @internal param string $tagStr 标签内容
      */
     public function parseXmlAttr($attr, $tag)
     {
@@ -92,25 +97,25 @@ class TagLib
         }
         $xml   = (array) ($xml->tag->attributes());
         $array = array_change_key_case($xml['@attributes']);
-        if ($array) {
-            $tag = strtolower($tag);
-            if (isset($this->tags[$tag]['attr'])) {
-                $attrs = explode(',', $this->tags[$tag]['attr']);
-                if (isset($this->tags[strtolower($tag)]['must'])) {
-                    $must = explode(',', $this->tags[$tag]['must']);
-                } else {
-                    $must = [];
-                }
-                foreach ($attrs as $name) {
-                    if (isset($array[$name])) {
-                        $array[$name] = str_replace('___', '&', $array[$name]);
-                    } elseif (false !== array_search($name, $must)) {
-                        throw new Exception('_PARAM_ERROR_:' . $name);
-                    }
+        if (!is_array($array)) return [];
+        $tag = strtolower($tag);
+        if (isset($this->tags[$tag]['attr'])) {
+            $attrs = explode(',', $this->tags[$tag]['attr']);
+            if (isset($this->tags[strtolower($tag)]['must'])) {
+                $must = explode(',', $this->tags[$tag]['must']);
+            } else {
+                $must = [];
+            }
+            foreach ($attrs as $name) {
+                if (isset($array[$name])) {
+                    $array[$name] = str_replace('___', '&', $array[$name]);
+                } elseif (false !== array_search($name, $must)) {
+                    throw new Exception('_PARAM_ERROR_:' . $name);
                 }
             }
-            return $array;
         }
+
+        return $array;
     }
 
     /**
diff --git a/library/think/view.php b/library/think/view.php
index 5328ca2c..8b4cfb6d 100644
--- a/library/think/view.php
+++ b/library/think/view.php
@@ -113,10 +113,14 @@ class View
     /**
      * 解析和获取模板内容 用于输出
      * @access public
+     *
      * @param string $template 模板文件名或者内容
      * @param array  $vars     模板输出变量
      * @param string $cache_id 模板缓存标识
+     * @param bool   $renderContent
+     *
      * @return string
+     * @throws Exception
      */
     public function fetch($template = '', $vars = [], $cache_id = '', $renderContent = false)
     {