Why can’t I always achieve the effect according to other people’s online settings? What is displayed here is always a single tone: 
Is there something wrong with me? Please enlighten me
给我你的怀抱2017-05-16 16:38:03
Go to the Internet and search for the iterm2 theme, then load it and select your theme
给我你的怀抱2017-05-16 16:38:03
Command+iEnter Preferences and double-click the profile you are editing to try. 
大家讲道理2017-05-16 16:38:03
Your Minimum Contrast setting is correct.
Try enabling x-term 256color first. If you don't enable this, there will definitely be no color.
The method is to put export TERM='xterm-256color'加到你的配置文件前几行。如果你用zsh就是加到~/.zshrc，如果你用bash就是加到~/.bash_profile