preload cache slow working

hi, i have 2 website on same server. yesterday it works fine. when i click preload. it can works fast. but today, to it need 5 minute to create 1 page cache. how to fix it?

09:33:59 31733 /wp-cron.php?doing_wp_cron=1642757638.8792090415954589843750 wp_cache_get_cookies_values: return:
09:33:59 31733 /wp-cron.php?doing_wp_cron=1642757638.8792090415954589843750 In WP Cache Phase 2
09:33:59 31733 /wp-cron.php?doing_wp_cron=1642757638.8792090415954589843750 Setting up WordPress actions
09:33:59 31733 /wp-cron.php?doing_wp_cron=1642757638.8792090415954589843750 Not caching wp-admin requests.
09:34:06 31723 /x/x.html/amp wpsc_is_caching_user_disabled: false
09:34:06 31723 /x/x.html/amp wp_cache_get_cookies_values: return:
09:34:06 31723 /x/x.html/amp supercache dir: ABSPATH/wp-content/cache/supercache/www.xxx.com/x/x.html/amp/
09:34:06 31723 /513/x.html/amp No Super Cache file found for current URL: ABSPATH/wp-content/cache/supercache/www.x.com/x/x.html/amp/index-https.html
09:34:06 31723 /x/x.html/amp wp_cache_get_cookies_values: return:
09:34:06 31723 /x/x.html/amp wp_cache_phase2: No caching to do as user agent rejected.