tree 50583aaadb86ed7ffa1cdf351361444bab4e9247
parent 159a26dd038fc5078b0e29725efdfbaeeb9b55d8
author Liu Ming <ovis_poly@sina.com> 1536491868 +0000
committer Liu Ming <ovis_poly@sina.com> 1536491868 +0000

the assert is good, just need to fix the comments