引用：http://www.linuxidc.com/Linux/2015-02/114116.htm
Yii2高级版本复制新项目会遇到下面的报错信息：
exception 'yiiaseInvalidRouteException' with message 'Unable to resolve the request "site/error".' in /Users/yuzhiyuan/Documents/htdocs/yii-application/vendor/yiisoft/yii2/base/Module.php:461
Stack trace:
#0 /Users/yuzhiyuan/Documents/htdocs/yii-application/vendor/yiisoft/yii2/web/ErrorHandler.php(80): yiiaseModule->runAction('site/error')
#1 /Users/yuzhiyuan/Documents/htdocs/yii-application/vendor/yiisoft/yii2/base/ErrorHandler.php(95): yiiwebErrorHandler->renderException(Object(yiiwebNotFoundHttpException))
#2 [internal function]: yiiaseErrorHandler->handleException(Object(yiiwebNotFoundHttpException))
#3 {main}
Previous exception:
exception 'yiiaseInvalidRouteException' with message 'Unable to resolve the request "site/index".' in /Users/yuzhiyuan/Documents/htdocs/yii-application/vendor/yiisoft/yii2/base/Module.php:461
Stack trace:
#0 /Users/yuzhiyuan/Documents/htdocs/yii-application/vendor/yiisoft/yii2/web/Application.php(83): yiiaseModule->runAction('site/index', Array)
#1 /Users/yuzhiyuan/Documents/htdocs/yii-application/vendor/yiisoft/yii2/base/Application.php(375): yiiwebApplication->handleRequest(Object(yiiwebRequest))
#2 /Users/yuzhiyuan/Documents/htdocs/yii-application/mobile/web/index.php(18): yiiaseApplication->run()
#3 {main}
Next exception 'yiiwebNotFoundHttpException' with message 'Page not found.' in /Users/yuzhiyuan/Documents/htdocs/yii-application/vendor/yiisoft/yii2/web/Application.php:95
Stack trace:
#0 /Users/yuzhiyuan/Documents/htdocs/yii-application/vendor/yiisoft/yii2/base/Application.php(375): yiiwebApplication->handleRequest(Object(yiiwebRequest))
#1 /Users/yuzhiyuan/Documents/htdocs/yii-application/mobile/web/index.php(18): yiiaseApplication->run()
#2 {main}
解决办法：
找到commonconfigootstrap.php
找到上面的文件，添加一个新的别名：
Yii::setAlias('应用名', dirname(dirname(__DIR__)) . '/目录名’);
比如：Yii::setAlias('mobile', dirname(dirname(__DIR__)) . '/mobile’);
这样就正常显示了，妈的，让我调整了一个下午。
Yii 用户登陆机制 http://www.linuxidc.com/Linux/2015-01/111602.htm
Yii中引入js和css文件 http://www.linuxidc.com/Linux/2015-01/111603.htm
Yii 不完全解决方案 http://www.linuxidc.com/Linux/2015-01/111606.htm
Yii CGridView 基本使用 http://www.linuxidc.com/Linux/2015-01/111607.htm
Yii框架分布式缓存的实现方案 http://www.linuxidc.com/Linux/2015-02/113828.htm