Redis存储数据 提示内核出错？请问是什么原因，在线等

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Fatal error: Call to a member function set() on a non-object in /system/libraries/Cache/drivers/Cache_redis.php on line 193
A PHP Error was encountered

Severity: Error

Message: Call to a member function set() on a non-object

Filename: drivers/Cache_redis.php

Line Number: 193

Backtrace:

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日了，php-redis拓展没装，导致php无法正常访问redis