wighair/appfront/config/YiiRewriteMap.php

<?php

return [
    /**
     * \fecshop\models\mongodb\Category 为原来的类
     * \appfront\local\local_models\mongodb\Category 为重写后的类
     * 重写后的类可以集成原来的类。
     */
    // '\fecshop\models\mongodb\Category'  => '\appfront\local\local_models\mongodb\Category',
    // '\fecshop\app\appfront\modules\Cms\block\home\Index'  => '\appfront\local\local_modules\Cms\block\home\Index',
    
    // '\fecshop\app\appfront\modules\Catalog\block\product\CustomOption'  => '\appfront\local\local_modules\Catalog\block\product\CustomOption',
    '\fecshop\app\appfront\modules\Catalog\block\category\Index'=>'\appfront\local\local_modules\Catalog\block\category\Index'

];