【求助】进不了gii的model generator [ 新手入门 ]

刚刚学习yii，请多多关照
配好mysql，gii，能进gii的其它generator 进model generator时直接无法显示此网页 （101） 找了很时间的原因，也没找到，求帮助

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'modules'=>array(
    // uncomment the following to enable the Gii tool
    'gii'=>array(
        'class'=>'system.gii.GiiModule',
        'password'=>'123456',
        // If removed, Gii defaults to localhost only. Edit carefully to taste.
        //'ipFilters'=>array('127.0.0.1','::1'),
    ),	
),
// application components
'components'=>array(
    'user'=>array(
        // enable cookie-based authentication
        'allowAutoLogin'=>true,
    ),

    'db'=>array(
        'connectionString' => 'mysql:host=localhost;dbname=mysql',
        'emulatePrepare' => true,
        'username' => 'root',
        'password' => '123456',
        'charset' => 'utf8',
        'tablePrefix' => 'b3_' ,
    ),