viper.Get cannot read from environment unless use BindEnv

[dehengxu]

viper.Get cannot read lower case variable name from environment Aftre apply viper.AutomaticEnv() , unless use BindEnv environment name one by one

It should be auto bind when load environment variables whatever alphabet case is, or can be configured to auto bind lower case environment variables

// os.Setenv("test", "hello") // not work
os.Setenv("TEST", "hello") // works well
viper.AutomaticEnv()
viper.Get("test")

golang ver: 1.20.12
github.com/spf13/viper v1.18.2