Another fix for count children
Another fix for count children


Former-commit-id: 55c1fc03ef2e572a7fbbe76bf488bba989497a29
omegaga/peloton,larryxiao/peloton-1,ranxian/peloton,omegaga/peloton,ranxian/peloton,larryxiao/peloton,larryxiao/peloton-1,ranxian/peloton,ranxian/peloton,amaliujia/CMUDB-peloton,larryxiao/peloton-1,larryxiao/peloton-1,larryxiao/peloton,ranxian/peloton,omegaga/peloton,amaliujia/CMUDB-peloton,omegaga/peloton,omegaga/peloton,amaliujia/CMUDB-peloton,omegaga/peloton,larryxiao/peloton-1,larryxiao/peloton-1,amaliujia/CMUDB-peloton,larryxiao/peloton,larryxiao/peloton,amaliujia/CMUDB-peloton,ranxian/peloton,omegaga/peloton,amaliujia/CMUDB-peloton,larryxiao/peloton,larryxiao/peloton-1,larryxiao/peloton,amaliujia/CMUDB-peloton,larryxiao/peloton