tree b674eebf42a6f6b6a7852df1dc41a93d769f93f1
parent a8da657a6ad7479f971ed88ad61ac813aefb695f
author Wdingding <wangdd0611@gmail.com> 1590120747 +0800
committer Wdingding <wangdd0611@gmail.com> 1590120747 +0800

fix: added missing symbols and fix some wrong  in tutorial and option