Comile move error:Move compilation failed: Unable to find package manifest in '.' or in its parents

 ./aptos move compile --package-dir .  --named-addresses HelloBlockchain=0x5a0620a78e114064077dd6096c4f3aebc474b4dc9104b9873a864c0db5bfa8b5
{
  "Error": "Move compilation failed: Unable to find package manifest in '.' or in its parents"
}

in move-examples dir, i run the cmd, but it failed, how to slove ti?

Where is your move.toml file? That’s what it’s looking for.