message: feat(check-cascader): search without case sensitive
diff: @@ -3,7 +3,7 @@ import { cx, getPrefixCls } from '@hi-ui/classname'
  import { __DEV__ } from '@hi-ui/env'
  import { CheckCascaderItem, ExpandTrigger, CheckCascaderItemEventData } from './types'
  import Input from '@hi-ui/input'
  -import { useCache, useSearch } from './hooks'
  +import { matchStrategy, useCache, useSearch } from './hooks'
  import { flattenTreeData, getNodeAncestors } from './utils'
  import { SearchOutlined } from '@hi-ui/icons'
  import { CheckCascaderMenus } from './CheckCascaderMenus'
  @@ -78,18 +78,21 @@ export const CheckCascaderPanel = forwardRef<HTMLDivElement | null, CheckCascade
  if (typeof title !== 'string') return raw
  if (found) return raw
  - const index = title.indexOf(searchValue)
  + const index = matchStrategy(title, searchValue)
  if (index === -1) return raw
  found = true
  + const resultLength = searchValue.length
  +
  const beforeStr = title.substr(0, index)
  - const afterStr = title.substr(index + searchValue.length)
  + const resultStr = title.substr(index, searchValue.length)
  + const afterStr = title.substr(index + resultLength)
  return (
  <span className={`title__text--col`} key={id}>
  {beforeStr}
  - <span className="title__text--matched">{searchValue}</span>
  + <span className="title__text--matched">{resultStr}</span>
  {afterStr}
  </span>
  )
  