How to solve the problem of random time in scrapy

scrapy

custom_settings = {

    "RANDOM_DELAY": 3,
    "DOWNLOADER_MIDDLEWARES": {
        "middlewares.random_delay_middleware.RandomDelayMiddleware": 999,
    }
}

this is 0-3 seconds, but what if I want to rest for 10-30 seconds now?

Oct.13,2021

to modify the middleware.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b48e58-4f5b0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b48e58-4f5b0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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