message: chore: fix build script watch multiple times
diff: @@ -4,7 +4,7 @@ import { join } from 'path';
  // utils must build before core
  // runtime must build before renderer-react
  const headPkgs = ['utils', 'runtime', 'core', 'server'];
  -const tailPkgs = ['utils', 'runtime', 'core', 'umi'];
  +const tailPkgs = ['umi'];
  const otherPkgs = readdirSync(join(__dirname, 'packages')).filter(
  pkg =>
  pkg.charAt(0) !== '.' && !headPkgs.includes(pkg) && !tailPkgs.includes(pkg),
  