升级到最新版之后点更新缓存的时候系统奔溃报这个错误这个是什么
琉惗
升级到最新版之后，点更新缓存的时候，系统奔溃，报这个错误，这个是什么原因导致的呢，dom字符我已经去掉了还提示
<?php defined('BASEPATH') OR exit('No direct script access allowed'); ?>
ERROR - 2020-01-14 05:25:07 --> Cache: Failed to create Memcache(d) object; extension not loaded?
ERROR - 2020-01-14 05:29:04 --> 文件【E:\PHPStudy\PHPTutorial\WWW\book/\templates\pc\web\default\book\index.html】存在Dom字符，请立即修复文件
ERROR - 2020-01-14 05:29:50 --> Query error: Table 'book.dr_1_book_recycle' doesn't exist - Invalid query: SELECT COUNT(*) AS `numrows`
FROM `dr_1_book_recycle`
ERROR - 2020-01-14 05:30:01 --> 文件【E:\PHPStudy\PHPTutorial\WWW\book/\templates\pc\web\default\book\index.html】存在Dom字符，请立即修复文件
ERROR - 2020-01-14 05:30:04 --> Query error: Table 'book.dr_1_book_recycle' doesn't exist - Invalid query: SELECT COUNT(*) AS `numrows`
FROM `dr_1_book_recycle`
ERROR - 2020-01-14 05:30:06 --> Query error: Table 'book.dr_1_book_recycle' doesn't exist - Invalid query: SELECT COUNT(*) AS `numrows`
FROM `dr_1_book_recycle`
ERROR - 2020-01-14 21:22:31 --> Query error: Table 'book.dr_1_book_recycle' doesn't exist - Invalid query: SELECT COUNT(*) AS `numrows`
FROM `dr_1_book_recycle`
ERROR - 2020-01-14 21:22:49 --> 文件【E:\PHPStudy\PHPTutorial\WWW\book/\templates\pc\web\default\book\index.html】存在Dom字符，请立即修复文件
ERROR - 2020-01-14 21:30:30 --> Query error: Table 'book.dr_1_book_recycle' doesn't exist - Invalid query: SELECT COUNT(*) AS `numrows`
FROM `dr_1_book_recycle`
ERROR - 2020-01-14 21:32:32 --> Query error: Table 'book.dr_1_book_recycle' doesn't exist - Invalid query: SELECT COUNT(*) AS `numrows`
FROM `dr_1_book_recycle`
ERROR - 2020-01-14 21:33:06 --> Query error: Table 'book.dr_1_book_recycle' doesn't exist - Invalid query: SELECT COUNT(*) AS `numrows`
FROM `dr_1_book_recycle`
ERROR - 2020-01-14 22:40:04 --> Query error: Table 'book.dr_1_book_recycle' doesn't exist - Invalid query: SELECT COUNT(*) AS `numrows`
FROM `dr_1_book_recycle` ----> http://book.cc/admin.php?c=home&m=mtotal&_=1579059604167
ERROR - 2020-01-14 22:41:06 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:41:28 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:41:31 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=qs
ERROR - 2020-01-14 22:41:40 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:42:39 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:42:57 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=qs
ERROR - 2020-01-14 22:43:01 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:43:19 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:45:53 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:47:14 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:47:30 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:51:22 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:51:53 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=qs
ERROR - 2020-01-14 22:51:57 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
ERROR - 2020-01-14 22:53:58 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=qs
ERROR - 2020-01-14 22:54:02 --> Severity: Error --> Class '\Poscms\Model\Space\Space_model' not found E:\PHPStudy\PHPTutorial\WWW\book\diy\poscms\core\Service.php 174 ----> http://book.cc/admin.php?c=home&m=cache&at=config
