fix localhost links (#2319)
fix localhost links (#2319)


istio/istio.io,istio/istio.io,istio/istio.io,istio/istio.io,linsun/istio.github.io,geeknoid/istio.github.io,geeknoid/istio.github.io,istio/istio.io,istio/istio.io,geeknoid/istio.github.io,linsun/istio.github.io,linsun/istio.github.io,linsun/istio.github.io,geeknoid/istio.github.io,linsun/istio.github.io,istio/istio.io,geeknoid/istio.github.io