[zh-hans] fix content (#1629)
[zh-hans] fix content (#1629)


doomspork/elixir-school,nscyclone/elixir-school,doomspork/elixir_school,nscyclone/elixir-school,doomspork/elixir_school,doomspork/elixir-school,nscyclone/elixir-school,doomspork/elixir-school,doomspork/elixir_school,nscyclone/elixir-school