yii 自动生成crud后访问报错 找不到原因 [ 新手入门 ]

PHP warning

require() [a href='function.require' function.require /a]: Filename cannot be empty	
D:\xampp\htdocs\yii\framework\web\CBaseController.php(130)

118         if(is_array($_data_))
119             extract($_data_,EXTR_PREFIX_SAME,'data');
120         else
121             $data=$_data_;
122         if($_return_)
123         {
124             ob_start();
125             ob_implicit_flush(false);
126             require($_viewFile_);
127             return ob_get_clean();
128         }
129         else
130             require($_viewFile_);
131     }
132 </pre>