add backtrack function

Status Job ID Name Coverage
  Install
passed #118460
linux
npm_ci

00:00:50

 
  Rs Check Lint
passed #118461
linux
rs_check_lint

00:03:03

 
  Wasm
passed #118462
linux
wasm_build

00:04:42

 
  Ts Check Lint
passed #118463
linux
ts_check_lint

00:01:10

 
  Build
passed #118464
linux
npm_build

00:00:57