mkl-mr1 branch repo sync error

[mabeishuishou]

use mokee's repo
repo/git-repo
git branch

• repo-1

download mkl-mr1 code
python2 ../repo/git-repo/repo init -u https://github.com/MoKee/android -b mkl-mr1

There's error:
Checking out projects: 1% (8/540) platform/dalvik
Checking out projects: 2% (11/540) platform/developers/docs
error: Cannot checkout MoKee/android_development: ManifestInvalidRevisionError: revision refs/heads/mkl-mr1 in MoKee/android_development not found
error: in sync: revision refs/heads/mkl-mr1 in MoKee/android_development not found

Please check if my step has error,thanks