update.php错误，没有显示索引

Question

没有打开我的主页...没有显示索引...（但我显示管理页面） 我有点说英语...... 请帮帮我.. T.T

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2016-01-13T05:11:48+00:00 ERR (3): Warning: simplexml_load_string(): Entity: line 9: parser error : Extra content at the end of the document  in /var/www/html/magento/app/code/core/Mage/Core/Model/Layout/Update.php on line 450
2016-01-13T05:11:48+00:00 ERR (3): Warning: simplexml_load_string(): <reference name="left">  in /var/www/html/magento/app/code/core/Mage/Core/Model/Layout/Update.php on line 450
2016-01-13T05:11:48+00:00 ERR (3): Warning: simplexml_load_string(): ^  in /var/www/html/magento/app/code/core/Mage/Core/Model/Layout/Update.php on line 450

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这个日志......有什么问题？...

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2016-01-13T02:53:07+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/default/MAG090198_Layout2/layout/bestseller.xml
2016-01-13T02:53:07+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/default/MAG090198_Layout2/layout/featured.xml
2016-01-13T02:53:07+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/default/MAG090198_Layout2/layout/tempmela.xml
2016-01-13T02:53:07+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/default/MAG090198_Layout2/layout/manufacturer.xml
2016-01-13T02:53:07+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/default/MAG090198_Layout2/layout/newproducts.xml
2016-01-13T02:53:07+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/default/MAG090198_Layout2/layout/specialproducts.xml
2016-01-13T02:53:07+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/moneybookers.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/core.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/page.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/directory.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/cms.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/customer.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/catalog.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/catalog_msrp.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/catalogsearch.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/payment.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/default/MAG090198_Layout2/layout/sales.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/sales/billing_agreement.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/sales/recurring_profile.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/cataloginventory.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/shipping.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/checkout.xml
2016-01-13T02:58:38+00:00 DEBUG (7): /var/www/html/magento/app/design/frontend/base/default/layout/paypal.xml

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2016-01-13T01:24:11+00:00 ERR (3): Warning: simplexml_load_string(): Entity: line 9: parser error : Extra content at the end of the document  in /var/www/html/magento/includes/src/__default.php on line 29213
2016-01-13T01:24:11+00:00 ERR (3): Warning: simplexml_load_string(): <reference name="left">  in /var/www/html/magento/includes/src/__default.php on line 29213
2016-01-13T01:24:11+00:00 ERR (3): Warning: simplexml_load_string(): ^  in /var/www/html/magento/includes/src/__default.php on line 29213

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请帮帮我!!!