A config file is customized in egg. How does config.sms.js, use the contents of sms in service?

such as the question, how did you get that?
as follows:

this.ctx.config

unable to get content

Jan.11,2022
The

document says that when you specify env, the corresponding configuration file is loaded at the same time, and the configuration of the same name of the default configuration file is overwritten.
so first specify set EGG_SERVER_ENV=sms & npm start
under the environment variable EGG_SERVER_ENV=sms npm start,windows, and then visit this.config


at startup:
"start": "egg-scripts start-- env=sms-- title="xxxx"".
will be automatically loaded into the corresponding app.

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-64f5-1e4d6db-44f3a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4d6db-44f3a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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