use Mix.Config config :wechat_work, corpid: System.get_env("WECHAT_WORK_CORPID"), corpsecret: System.get_env("WECHAT_WORK_CORPSECRET"), agentid: System.get_env("WECHAT_WORK_AGENTID") # You can configure your application as: # # config :wechat_work, key: :value # # and access this configuration in your application as: # # Application.get_env(:wechat_work, :key) # # You can also configure a third-party app: # # config :logger, level: :info #