[doc] Adjust the logic before and after, add a small optimization when installing manager (#13994)
[doc] Adjust the logic before and after, add a small optimization when installing manager (#13994)


massakam/pulsar,massakam/pulsar,yahoo/pulsar,merlimat/pulsar,merlimat/pulsar,massakam/pulsar,merlimat/pulsar,massakam/pulsar,merlimat/pulsar,merlimat/pulsar,merlimat/pulsar,massakam/pulsar,yahoo/pulsar,yahoo/pulsar,yahoo/pulsar,yahoo/pulsar,yahoo/pulsar,massakam/pulsar