diff --git a/lang/.gitignore b/lang/.gitignore
deleted file mode 100644
index c96a04f0..00000000
--- a/lang/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*
-!.gitignore
\ No newline at end of file
diff --git a/lang/zh-cn.php b/lang/zh-cn.php
new file mode 100644
index 00000000..978adb56
--- /dev/null
+++ b/lang/zh-cn.php
@@ -0,0 +1,58 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+// 核心中文语言包
+return [
+	// 系统错误提示
+    'Undefined variable' => '未定义变量',
+    'Undefined index'	=>	'未定义索引',
+    'Parse error'		=>	'语法解析错误',
+    'Type error'		=>	'类型错误',
+    'Fatal error'		=>	'致命错误',
+
+    // 框架核心错误提示
+    'dispatch type not support'	=>	'不支持的调度类型',
+    'method param miss'			=>	'方法参数错误',
+    'method not exists'			=>	'方法不存在',
+    'module not exists'			=>	'模块不存在',
+    'class not exists'			=>	'类不存在',
+    'template not exists'		=>	'模板文件不存在',
+    'illegal controller name'	=>	'非法的控制器名称',
+    'illegal action name'		=>	'非法的操作名称',
+    'url suffix deny'			=>	'禁止的URL后缀访问',
+    'Route Not Found'			=>	'当前访问路由未定义',
+    'Underfined db type'		=>	'未定义数据库类型',
+    'variable type error'		=>	'变量类型错误',
+    'PSR-4 error'				=>	'PSR-4 规范错误',
+    'not support total'			=>	'简洁模式下不能获取数据总数',
+    'not support last'			=>	'简洁模式下不能获取最后一页',
+    'error session handler'		=>	'错误的SESSION处理器类',
+    'not allow php tag'			=>	'模板不允许使用PHP语法',
+    'not support'				=>	'不支持',
+    'redisd master'				=>	'Redisd 主服务器错误',
+    'redisd slave'				=>	'Redisd 从服务器错误',
+    'must run at sae'			=>	'必须在SAE运行',
+    'memcache init error'		=>	'未开通Memcache服务，请在SAE管理平台初始化Memcache服务',
+    'KVDB init error'			=>	'没有初始化KVDB，请在SAE管理平台初始化KVDB服务',
+    'fields not exists'			=>	'数据表字段不存在',
+    'where express error'		=>	'查询表达式错误',
+    'no data to update'			=>	'没有任何数据需要更新',
+    'miss complex primary data'	=>	'缺少复合主键数据',
+    'miss update condition'		=>	'缺少更新条件',
+    'model data Not Found'		=>	'模型数据不存在',
+    'table data not Found'		=>	'表数据不存在',
+    'delete without condition'	=>	'没有条件不会执行删除操作',
+    'miss relation data'		=>	'缺少关联表数据',
+    'tag attr must'				=>	'模板标签属性必须',
+    'tag error'					=>	'模板标签错误',
+    'cache write error'			=>	'缓存写入失败',
+    'sae mc write error'		=>	'SAE mc 写入错误',
+];
diff --git a/library/think/App.php b/library/think/App.php
index 9a20883c..9a3dd8e6 100644
--- a/library/think/App.php
+++ b/library/think/App.php
@@ -249,7 +249,7 @@ class App
                 // 初始化模块
                 $config = self::init($module);
             } else {
-                throw new HttpException(404, 'module [ ' . $module . ' ] not exists ');
+                throw new HttpException(404, 'module not exists:' . $module);
             }
         } else {
             // 单一模块部署
@@ -286,7 +286,7 @@ class App
             $action = $actionName . $config['action_suffix'];
             if (!preg_match('/^[A-Za-z](\w)*$/', $action)) {
                 // 非法操作
-                throw new \ReflectionException('illegal action name :' . $actionName);
+                throw new \ReflectionException('illegal action name:' . $actionName);
             }
 
             // 执行操作方法
@@ -301,7 +301,7 @@ class App
                 $data   = $method->invokeArgs($instance, [$action, '']);
                 self::$debug && Log::record('[ RUN ] ' . $method->getFileName(), 'info');
             } else {
-                throw new HttpException(404, 'method [ ' . (new \ReflectionClass($instance))->getName() . '->' . $action . ' ] not exists ');
+                throw new HttpException(404, 'method not exists:' . (new \ReflectionClass($instance))->getName() . '->' . $action);
             }
         }
         return $data;
@@ -419,7 +419,7 @@ class App
     {
         // 检测URL禁用后缀
         if ($config['url_deny_suffix'] && preg_match('/\.(' . $config['url_deny_suffix'] . ')$/i', $request->pathinfo())) {
-            throw new Exception('url suffix deny');
+            throw new Exception('url suffix deny:'.$request->ext());
         }
 
         $path   = $request->path();
diff --git a/library/think/Db.php b/library/think/Db.php
index ed44c659..be219898 100644
--- a/library/think/Db.php
+++ b/library/think/Db.php
@@ -65,7 +65,7 @@ class Db
             // 解析连接参数 支持数组和字符串
             $options = self::parseConfig($config);
             if (empty($options['type'])) {
-                throw new \InvalidArgumentException('db type error');
+                throw new \InvalidArgumentException('Underfined db type');
             }
             $class = (!empty($options['namespace']) ? $options['namespace'] : '\\think\\db\\connector\\') . ucwords($options['type']);
             // 记录初始化信息
diff --git a/library/think/Input.php b/library/think/Input.php
index c71ec0de..de287b14 100644
--- a/library/think/Input.php
+++ b/library/think/Input.php
@@ -474,7 +474,7 @@ class Input
                 if (is_scalar($data)) {
                     $data = (string) $data;
                 } else {
-                    throw new \InvalidArgumentException('变量类型不允许：' . gettype($data));
+                    throw new \InvalidArgumentException('variable type error：' . gettype($data));
                 }
         }
     }
diff --git a/library/think/Lang.php b/library/think/Lang.php
index fd606ba6..af763814 100644
--- a/library/think/Lang.php
+++ b/library/think/Lang.php
@@ -92,6 +92,19 @@ class Lang
         return self::$lang[$range];
     }
 
+    /**
+     * 获取语言定义(不区分大小写)
+     * @param string|null $name 语言变量
+     * @param array $vars 变量替换
+     * @param string $range 语言作用域
+     * @return mixed
+     */
+    public static function has($name, $range = '')
+    {
+        $range = $range ?: self::$range;
+        return isset(self::$lang[$range][strtolower($name)]);        
+    }
+
     /**
      * 获取语言定义(不区分大小写)
      * @param string|null $name 语言变量
diff --git a/library/think/Loader.php b/library/think/Loader.php
index df5b3cff..b1bb36ff 100644
--- a/library/think/Loader.php
+++ b/library/think/Loader.php
@@ -147,7 +147,7 @@ class Loader
             foreach ($map as $namespace => $path) {
                 $length = strlen($namespace);
                 if ('\\' !== $namespace[$length - 1]) {
-                    throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+                    throw new \InvalidArgumentException("PSR-4 error: A non-empty PSR-4 prefix must end with a namespace separator.");
                 }
                 self::$prefixLengthsPsr4[$namespace[0]][$namespace] = $length;
                 self::$prefixDirsPsr4[$namespace]                   = (array) $path;
@@ -292,7 +292,7 @@ class Loader
             if (class_exists($class)) {
                 $model = new $class();
             } else {
-                throw new ClassNotFoundException('class [ ' . $class . ' ] not exists', $class);
+                throw new ClassNotFoundException('class not exists:' . $class, $class);
             }
         }
         self::$instance[$name . $layer] = $model;
@@ -321,7 +321,7 @@ class Loader
         } elseif ($empty && class_exists($emptyClass = self::parseClass($module, $layer, $empty, $appendSuffix))) {
             return new $emptyClass(Request::instance());
         } else {
-            throw new ClassNotFoundException('class [ ' . $class . ' ] not exists', $class);
+            throw new ClassNotFoundException('class not exists:' . $class, $class);
         }
     }
 
@@ -357,7 +357,7 @@ class Loader
             if (class_exists($class)) {
                 $validate = new $class;
             } else {
-                throw new ClassNotFoundException('class [ ' . $class . ' ] not exists', $class);
+                throw new ClassNotFoundException('class not exists:' . $class, $class);
             }
         }
         self::$instance[$name . $layer] = $validate;
diff --git a/library/think/Paginator.php b/library/think/Paginator.php
index ff243509..c37dc5aa 100644
--- a/library/think/Paginator.php
+++ b/library/think/Paginator.php
@@ -143,7 +143,7 @@ abstract class Paginator
     public function total()
     {
         if ($this->simple) {
-            throw new \DomainException('简洁模式下不能获取数据总数');
+            throw new \DomainException('not support total');
         }
         return $this->total;
     }
@@ -161,7 +161,7 @@ abstract class Paginator
     public function lastPage()
     {
         if ($this->simple) {
-            throw new \DomainException('简洁模式下不能获取最后一页');
+            throw new \DomainException('not support last');
         }
         return $this->lastPage;
     }
diff --git a/library/think/Response.php b/library/think/Response.php
index 9dd67aa1..4f8eb0f5 100644
--- a/library/think/Response.php
+++ b/library/think/Response.php
@@ -123,7 +123,7 @@ class Response
         if (is_scalar($data)) {
             echo $data;
         } elseif (!is_null($data)) {
-            throw new \InvalidArgumentException('不支持的数据类型输出：' . gettype($data));
+            throw new \InvalidArgumentException('variable type error：' . gettype($data));
         }
 
         if (function_exists('fastcgi_finish_request')) {
diff --git a/library/think/Session.php b/library/think/Session.php
index 5bc2a856..d32b5ad9 100644
--- a/library/think/Session.php
+++ b/library/think/Session.php
@@ -95,7 +95,7 @@ class Session
 
             // 检查驱动类
             if (!class_exists($class) || !session_set_save_handler(new $class($config))) {
-                throw new ClassNotFoundException('error session handler', $class);
+                throw new ClassNotFoundException('error session handler:' . $class, $class);
             }
         }
         if ($isDoStart) {
diff --git a/library/think/Template.php b/library/think/Template.php
index b1d6943b..36654aeb 100644
--- a/library/think/Template.php
+++ b/library/think/Template.php
@@ -1068,7 +1068,7 @@ class Template
             $this->includeFile[$template] = filemtime($template);
             return $template;
         } else {
-            throw new TemplateNotFoundException('template not exist:' . $template, $template);
+            throw new TemplateNotFoundException('template not exists:' . $template, $template);
         }
     }
 
diff --git a/library/think/Validate.php b/library/think/Validate.php
index 0eb1c8f7..02f4386e 100644
--- a/library/think/Validate.php
+++ b/library/think/Validate.php
@@ -1115,7 +1115,7 @@ class Validate
         if (method_exists($class, $method)) {
             return call_user_func_array([$class, $method], $params);
         } else {
-            throw new \BadMethodCallException(__CLASS__ . ':' . $method . ' method not exist');
+            throw new \BadMethodCallException('method not exists:' . __CLASS__ . '->' . $method);
         }
     }
 }
diff --git a/library/think/cache/driver/Apc.php b/library/think/cache/driver/Apc.php
index 95b27d14..cd1ca3d7 100644
--- a/library/think/cache/driver/Apc.php
+++ b/library/think/cache/driver/Apc.php
@@ -36,7 +36,7 @@ class Apc
     public function __construct($options = [])
     {
         if (!function_exists('apc_cache_info')) {
-            throw new \BadFunctionCallException('not support Apc');
+            throw new \BadFunctionCallException('not support: Apc');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);
diff --git a/library/think/cache/driver/Memcache.php b/library/think/cache/driver/Memcache.php
index 981436fd..c93dd9f0 100644
--- a/library/think/cache/driver/Memcache.php
+++ b/library/think/cache/driver/Memcache.php
@@ -35,7 +35,7 @@ class Memcache
     public function __construct($options = [])
     {
         if (!extension_loaded('memcache')) {
-            throw new \BadFunctionCallException('not support memcache');
+            throw new \BadFunctionCallException('not support: memcache');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);
diff --git a/library/think/cache/driver/Memcached.php b/library/think/cache/driver/Memcached.php
index b19b0c0c..3e904f17 100644
--- a/library/think/cache/driver/Memcached.php
+++ b/library/think/cache/driver/Memcached.php
@@ -33,7 +33,7 @@ class Memcached
     public function __construct($options = [])
     {
         if (!extension_loaded('memcached')) {
-            throw new \BadFunctionCallException('not support memcached');
+            throw new \BadFunctionCallException('not support: memcached');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);
diff --git a/library/think/cache/driver/Redis.php b/library/think/cache/driver/Redis.php
index d872f5a7..b70ee77e 100644
--- a/library/think/cache/driver/Redis.php
+++ b/library/think/cache/driver/Redis.php
@@ -42,7 +42,7 @@ class Redis
     public function __construct($options = [])
     {
         if (!extension_loaded('redis')) {
-            throw new \BadFunctionCallException('not support redis');
+            throw new \BadFunctionCallException('not support: redis');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);
diff --git a/library/think/cache/driver/Redisd.php b/library/think/cache/driver/Redisd.php
index 0a424fb2..e3bc80e7 100644
--- a/library/think/cache/driver/Redisd.php
+++ b/library/think/cache/driver/Redisd.php
@@ -84,7 +84,7 @@ class Redisd
     public function __construct($options = [])
     {
         if (!extension_loaded('redis')) {
-            throw new \BadFunctionCallException('not support redis');
+            throw new \BadFunctionCallException('not support: redis');
         }
 
         $this->options         = $options         = array_merge($this->options, $options);
diff --git a/library/think/cache/driver/Sae.php b/library/think/cache/driver/Sae.php
index c1cdda77..c1526e51 100644
--- a/library/think/cache/driver/Sae.php
+++ b/library/think/cache/driver/Sae.php
@@ -38,11 +38,11 @@ class Sae
     public function __construct($options = [])
     {
         if (!function_exists('memcache_init')) {
-            throw new \BadFunctionCallException('请在SAE平台上运行代码。');
+            throw new \BadFunctionCallException('must run at sae');
         }
         $this->handler = memcache_init();
         if (!$this->handler) {
-            throw new Exception('您未开通Memcache服务，请在SAE管理平台初始化Memcache服务');
+            throw new Exception('memcache init error');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);
@@ -113,7 +113,7 @@ class Sae
         if (!$kv) {
             $kv = new \SaeKV();
             if (!$kv->init()) {
-                throw new Exception('您没有初始化KVDB，请在SAE管理平台初始化KVDB服务');
+                throw new Exception('KVDB init error');
             }
         }
         return $kv;
diff --git a/library/think/cache/driver/Sqlite.php b/library/think/cache/driver/Sqlite.php
index ac903fdc..11510a72 100644
--- a/library/think/cache/driver/Sqlite.php
+++ b/library/think/cache/driver/Sqlite.php
@@ -38,7 +38,7 @@ class Sqlite implements CacheInterface
     public function __construct($options = [])
     {
         if (!extension_loaded('sqlite')) {
-            throw new \BadFunctionCallException('not support sqlite');
+            throw new \BadFunctionCallException('not support: sqlite');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);
diff --git a/library/think/cache/driver/Wincache.php b/library/think/cache/driver/Wincache.php
index 0717ef05..cf7d509b 100644
--- a/library/think/cache/driver/Wincache.php
+++ b/library/think/cache/driver/Wincache.php
@@ -34,7 +34,7 @@ class Wincache
     public function __construct($options = [])
     {
         if (!function_exists('wincache_ucache_info')) {
-            throw new \BadFunctionCallException('not support WinCache');
+            throw new \BadFunctionCallException('not support: WinCache');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);
diff --git a/library/think/cache/driver/Xcache.php b/library/think/cache/driver/Xcache.php
index 891e6212..0ddaa083 100644
--- a/library/think/cache/driver/Xcache.php
+++ b/library/think/cache/driver/Xcache.php
@@ -34,7 +34,7 @@ class Xcache
     public function __construct($options = [])
     {
         if (!function_exists('xcache_info')) {
-            throw new \BadFunctionCallException('not support Xcache');
+            throw new \BadFunctionCallException('not support: Xcache');
         }
         if (!empty($options)) {
             $this->options = array_merge($this->options, $options);
diff --git a/library/think/db/Builder.php b/library/think/db/Builder.php
index c3da93e0..4d94f237 100644
--- a/library/think/db/Builder.php
+++ b/library/think/db/Builder.php
@@ -94,7 +94,7 @@ abstract class Builder
         foreach ($data as $key => $val) {
             if (!in_array($key, $fields, true)) {
                 if ($options['strict']) {
-                    throw new Exception(' fields not exists :[' . $key . ']');
+                    throw new Exception('fields not exists:[' . $key . ']');
                 }
             } else {
                 $item = $this->parseKey($key);
@@ -611,7 +611,7 @@ abstract class Builder
             foreach ($data as $key => $val) {
                 if (!in_array($key, $fields, true)) {
                     if ($options['strict']) {
-                        throw new Exception(' fields not exists :[' . $key . ']');
+                        throw new Exception('fields not exists:[' . $key . ']');
                     }
                     unset($data[$key]);
                 } elseif (is_scalar($val)) {
diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 36a49fac..7610c9c7 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -84,7 +84,7 @@ class Query
             $where[$name] = $args[0];
             return $this->where($where)->value($args[1]);
         } else {
-            throw new Exception(__CLASS__ . ':' . $method . ' method not exist');
+            throw new Exception('method not exist:' . __CLASS__ . '->' . $method);
         }
     }
 
@@ -1672,7 +1672,7 @@ class Query
                         $where[$field] = $data[$field];
                     } else {
                         // 如果缺少复合主键数据则不执行
-                        throw new Exception('miss pk data');
+                        throw new Exception('miss complex primary data');
                     }
                     unset($data[$field]);
                 }
@@ -1775,10 +1775,10 @@ class Query
             }
         } elseif (!empty($options['fail'])) {
             if(!empty($this->model)){
-                throw new ModelNotFoundException('Data not Found', $this->model, $options);
+                throw new ModelNotFoundException('model data Not Found:' . $this->model , $this->model, $options);
             }else{
-                throw new DataNotFoundException('Data not Found', $options['table'], $options);
-            }            
+                throw new DataNotFoundException('table data not Found:' . $options['table'], $options['table'], $options);
+            }
         }
         return $resultSet;
     }
@@ -1856,10 +1856,10 @@ class Query
             }
         } elseif (!empty($options['fail'])) {
             if(!empty($this->model)){
-                throw new ModelNotFoundException('Data not Found', $this->model, $options);
+                throw new ModelNotFoundException('model data Not Found:' . $this->model , $this->model, $options);
             }else{
-                throw new DataNotFoundException('Data not Found', $options['table'], $options);
-            }            
+                throw new DataNotFoundException('table data not Found:' . $options['table'], $options['table'], $options);
+            }
         } else {
             $data = false;
         }
@@ -1969,7 +1969,7 @@ class Query
 
         if (empty($options['where'])) {
             // 如果条件为空 不进行删除操作 除非设置 1=1
-            throw new Exception('no data to delete without where');
+            throw new Exception('delete without condition');
         }
         // 生成删除SQL语句
         $sql = $this->builder()->delete($options);
diff --git a/library/think/exception/Handle.php b/library/think/exception/Handle.php
index d6d112b6..a774ad6e 100644
--- a/library/think/exception/Handle.php
+++ b/library/think/exception/Handle.php
@@ -16,6 +16,7 @@ use think\App;
 use think\Config;
 use think\Console;
 use think\console\Output;
+use think\Lang;
 use think\Log;
 use think\Response;
 
@@ -40,14 +41,14 @@ class Handle
                 $data = [
                     'file'    => $exception->getFile(),
                     'line'    => $exception->getLine(),
-                    'message' => $exception->getMessage(),
+                    'message' => $this->getMessage($exception),
                     'code'    => $this->getCode($exception),
                 ];
                 $log = "[{$data['code']}]{$data['message']}[{$data['file']}:{$data['line']}]";
             } else {
                 $data = [
-                    'code'    => $exception->getCode(),
-                    'message' => $exception->getMessage(),
+                    'code'    => $this->getCode($exception),
+                    'message' => $this->getMessage($exception),
                 ];
                 $log = "[{$data['code']}]{$data['message']}";
             }
@@ -121,7 +122,7 @@ class Handle
                 'name'    => get_class($exception),
                 'file'    => $exception->getFile(),
                 'line'    => $exception->getLine(),
-                'message' => $exception->getMessage(),
+                'message' => $this->getMessage($exception),
                 'trace'   => $exception->getTrace(),
                 'code'    => $this->getCode($exception),
                 'source'  => $this->getSourceCode($exception),
@@ -140,8 +141,8 @@ class Handle
         } else {
             // 部署模式仅显示 Code 和 Message
             $data = [
-                'code'    => $exception->getCode(),
-                'message' => $exception->getMessage(),
+                'code'    => $this->getCode($exception),
+                'message' => $this->getMessage($exception),            
             ];
 
             if (!Config::get('show_error_msg')) {
@@ -189,6 +190,28 @@ class Handle
         return $code;
     }
 
+    /**
+     * 获取错误信息
+     * ErrorException则使用错误级别作为错误编码
+     * @param  \Exception $exception
+     * @return string                错误信息
+     */
+    protected function getMessage(Exception $exception)
+    {
+        $message    = $exception->getMessage();
+        if (IS_CLI) {
+            return $message;
+        }
+        // 导入语言包
+        Lang::load(THINK_PATH . 'lang' . DS . Lang::detect() . EXT);
+        if (strpos($message,':')) {
+            $name   = strstr($message, ':', true);
+            return Lang::has($name) ? Lang::get($name) . ' ' . strstr($message, ':') : $message;
+        } else {
+            return Lang::has($message) ? Lang::get($message) : $message;
+        }
+    }
+
     /**
      * 获取出错文件内容
      * 获取错误的前9行和后9行
diff --git a/library/think/model/Relation.php b/library/think/model/Relation.php
index f6cbecca..9ba06175 100644
--- a/library/think/model/Relation.php
+++ b/library/think/model/Relation.php
@@ -615,7 +615,7 @@ class Relation
             $query                    = clone $this->parent->db();
             return $query->table($this->middle)->insert($pivot);
         } else {
-            throw new Exception(' miss relation data');
+            throw new Exception('miss relation data');
         }
     }
 
@@ -680,7 +680,7 @@ class Relation
             }
             return call_user_func_array([$db, $method], $args);
         } else {
-            throw new Exception(__CLASS__ . ':' . $method . ' method not exist');
+            throw new Exception('method not exists:' . __CLASS__ . '->' . $method);
         }
     }
 
diff --git a/library/think/paginator/Collection.php b/library/think/paginator/Collection.php
index 49bd59c0..64fbb93b 100644
--- a/library/think/paginator/Collection.php
+++ b/library/think/paginator/Collection.php
@@ -76,7 +76,7 @@ class Collection extends \think\Collection
         if ($this->paginator && method_exists($this->paginator, $method)) {
             return call_user_func_array([$this->paginator, $method], $args);
         } else {
-            throw new Exception(__CLASS__ . ':' . $method . ' method not exist');
+            throw new Exception('method not exists:' . __CLASS__ . '->' . $method);
         }
     }
 }
\ No newline at end of file
diff --git a/library/think/session/driver/Memcache.php b/library/think/session/driver/Memcache.php
index e3b0d1be..62792d78 100644
--- a/library/think/session/driver/Memcache.php
+++ b/library/think/session/driver/Memcache.php
@@ -41,7 +41,7 @@ class Memcache extends SessionHandler
     {
         // 检测php环境
         if (!extension_loaded('memcache')) {
-            throw new Exception('_NOT_SUPPERT_:memcache');
+            throw new Exception('not support:memcache');
         }
         $this->handler = new \Memcache;
         // 支持集群
diff --git a/library/think/session/driver/Memcached.php b/library/think/session/driver/Memcached.php
index a2dcfe7c..145e7ea0 100644
--- a/library/think/session/driver/Memcached.php
+++ b/library/think/session/driver/Memcached.php
@@ -42,7 +42,7 @@ class Memcached extends SessionHandler
     {
         // 检测php环境
         if (!extension_loaded('memcached')) {
-            throw new Exception('_NOT_SUPPERT_:memcached');
+            throw new Exception('not support:memcached');
         }
         $this->handler = new \Memcached;
         // 设置连接超时时间（单位：毫秒）
diff --git a/library/think/session/driver/Redis.php b/library/think/session/driver/Redis.php
index 96389fe0..813199b7 100644
--- a/library/think/session/driver/Redis.php
+++ b/library/think/session/driver/Redis.php
@@ -42,7 +42,7 @@ class Redis extends SessionHandler
     {
         // 检测php环境
         if (!extension_loaded('redis')) {
-            throw new Exception('_NOT_SUPPERT_:redis');
+            throw new Exception('not support:redis');
         }
         $this->handler = new \Redis;
 
diff --git a/library/think/template/TagLib.php b/library/think/template/TagLib.php
index 254407ea..51cb00d2 100644
--- a/library/think/template/TagLib.php
+++ b/library/think/template/TagLib.php
@@ -255,7 +255,7 @@ class TagLib
                 $must = explode(',', $tag['must']);
                 foreach ($must as $name) {
                     if (!isset($result[$name])) {
-                        throw new Exception('_PARAM_ERROR_:' . $name);
+                        throw new Exception('tag attr must:' . $name);
                     }
                 }
             }
@@ -272,7 +272,7 @@ class TagLib
                 $result['expression'] = rtrim($result['expression'], '/');
                 $result['expression'] = trim($result['expression']);
             } elseif (empty($this->tags[$name]) || !empty($this->tags[$name]['attr'])) {
-                throw new Exception('_XML_TAG_ERROR_:' . $name);
+                throw new Exception('tag error:' . $name);
             }
         }
         return $result;
diff --git a/library/think/template/driver/File.php b/library/think/template/driver/File.php
index bfb2787d..4ee86170 100644
--- a/library/think/template/driver/File.php
+++ b/library/think/template/driver/File.php
@@ -30,7 +30,7 @@ class File
         }
         // 生成模板缓存文件
         if (false === file_put_contents($cacheFile, $content)) {
-            throw new Exception('cache write error :' . $cacheFile, 11602);
+            throw new Exception('cache write error:' . $cacheFile, 11602);
         }
     }
 
diff --git a/library/think/template/driver/Sae.php b/library/think/template/driver/Sae.php
index b1d18665..f6e2eb26 100644
--- a/library/think/template/driver/Sae.php
+++ b/library/think/template/driver/Sae.php
@@ -46,7 +46,7 @@ class Sae
         // 添加写入时间
         $content = time() . $content;
         if (!$this->mc->set($cacheFile, $content, MEMCACHE_COMPRESSED, 0)) {
-            throw new Exception('sae mc write error :' . $cacheFile);
+            throw new Exception('sae mc write error:' . $cacheFile);
         } else {
             $this->contents[$cacheFile] = $content;
             return true;
diff --git a/library/think/view/driver/Php.php b/library/think/view/driver/Php.php
index f5866e8a..f522cce6 100644
--- a/library/think/view/driver/Php.php
+++ b/library/think/view/driver/Php.php
@@ -63,7 +63,7 @@ class Php
         }
         // 模板不存在 抛出异常
         if (!is_file($template)) {
-            throw new TemplateNotFoundException('template file not exists:' . $template, $template);
+            throw new TemplateNotFoundException('template not exists:' . $template, $template);
         }
         // 记录视图信息
         App::$debug && Log::record('[ VIEW ] ' . $template . ' [ ' . var_export(array_keys($data), true) . ' ]', 'info');
diff --git a/library/think/view/driver/Think.php b/library/think/view/driver/Think.php
index 2a443aad..37f1d78b 100644
--- a/library/think/view/driver/Think.php
+++ b/library/think/view/driver/Think.php
@@ -73,7 +73,7 @@ class Think
         }
         // 模板不存在 抛出异常
         if (!is_file($template)) {
-            throw new TemplateNotFoundException('template file not exists:' . $template, $template);
+            throw new TemplateNotFoundException('template not exists:' . $template, $template);
         }
         // 记录视图信息
         App::$debug && Log::record('[ VIEW ] ' . $template . ' [ ' . var_export(array_keys($data), true) . ' ]', 'info');
diff --git a/library/traits/think/Instance.php b/library/traits/think/Instance.php
index de123079..206a9412 100644
--- a/library/traits/think/Instance.php
+++ b/library/traits/think/Instance.php
@@ -39,7 +39,7 @@ trait Instance
         if (0 === strpos($method, '_') && is_callable([self::$instance, $call])) {
             return call_user_func_array([self::$instance, $call], $params);
         } else {
-            throw new Exception("not exists method:" . $method);
+            throw new Exception("method not exists:" . $method);
         }
     }
 }