Anaconda Can't activate

When I execute ‘aconda activate xx(env name)’ would encounter these problem:

CommandNotFoundError: Your shell has not been properly configured to use 'conda activate'.
To initialize your shell, run                                                                                                
                                                                                                                             
    $ conda init <SHELL_NAME>                                                                                                
                                                                                                                             
Currently supported shells are:                                                                                              
  - bash                                                                                                                     
  - fish                                                                                                                     
  - tcsh                                                                                                                     
  - xonsh                                                                                                                    
  - zsh                                                                                                                      
  - powershell                                                                                                               
                                                                                                                             
See 'conda init --help' for more information and options.

I slave the problem by using the follow commands

# **环境
source activate
# 退出环境
source deactivate