The problem of WeChat Mini Programs template message push

when Mini Program sends template messages to obtain access_token, appsecret, needs to be passed in the API parameters, but what we are doing is a third-party platform for saas service. How can we get the merchant"s appsecret? Can merchants get appsecret when they authorize our third-party platform?

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-64f5-1bf3418-31e77.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf3418-31e77.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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