message: fix isa level check block application on avx2 machine.
diff: @@ -325,16 +325,8 @@ def get_build_type():
  def get_avx_version():
  - avx_version = ''
  - if _check_env_flag('AVX2'):
  - avx_version = 'AVX2'
  - elif _check_env_flag('AVX512'):
  - avx_version = 'AVX512'
  -
  - if avx_version == '':
  - avx_version = 'AVX512'
  -
  - if _check_env_flag('DYN_DISP'):
  + # disable isa level check for dyndisp turn on.
  + # need restruct all isa check code later.
  avx_version = 'AVX2'
  # print("The extension will be built with {}.".format(avx_version))
  