Magento 1.9.x 子分类无法访问

app/code/core/Mage/Catalog/Model/Url.php 大概 ~807:

Change:

if ($product->getUrlKey() == '' && !empty($requestPath)
       && strpos($existingRequestPath, $requestPath) === 0
 )

　　

To:

if (!empty($requestPath)
       && strpos($existingRequestPath, $requestPath) === 0
 )

　　重新 reindex