Merge remote-tracking branch 'origin/demo' into demo

guoshilong

2023-10-09 42a93f887bcc8da6a06501610eb5a8ec744a81ae

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export function formatPhoneNum (phoneNum: string | number) {
  const str = String(phoneNum)
  return str.substring(0, 3) + '****' + str.slice(-4)
}